./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety/global-atexit.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2412280-8fd9-40aa-96aa-f4ef77acab33/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2412280-8fd9-40aa-96aa-f4ef77acab33/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2412280-8fd9-40aa-96aa-f4ef77acab33/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2412280-8fd9-40aa-96aa-f4ef77acab33/bin/utaipan-9zjyvhn0QE/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2412280-8fd9-40aa-96aa-f4ef77acab33/bin/utaipan-9zjyvhn0QE/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2412280-8fd9-40aa-96aa-f4ef77acab33/bin/utaipan-9zjyvhn0QE --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 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 ......................................................................................................................................... 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_d2412280-8fd9-40aa-96aa-f4ef77acab33/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2412280-8fd9-40aa-96aa-f4ef77acab33/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2412280-8fd9-40aa-96aa-f4ef77acab33/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2412280-8fd9-40aa-96aa-f4ef77acab33/bin/utaipan-9zjyvhn0QE/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2412280-8fd9-40aa-96aa-f4ef77acab33/bin/utaipan-9zjyvhn0QE/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2412280-8fd9-40aa-96aa-f4ef77acab33/bin/utaipan-9zjyvhn0QE --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 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:08:54,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:08:54,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:08:54,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:08:54,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:08:54,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:08:54,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:08:54,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:08:54,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:08:54,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:08:54,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:08:54,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:08:54,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:08:54,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:08:54,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:08:54,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:08:54,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:08:54,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:08:54,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:08:54,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:08:54,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:08:54,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:08:54,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:08:54,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:08:54,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:08:54,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:08:54,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:08:54,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:08:54,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:08:54,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:08:54,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:08:54,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:08:54,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:08:54,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:08:54,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:08:54,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:08:54,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:08:54,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:08:54,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:08:54,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:08:54,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:08:54,259 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2412280-8fd9-40aa-96aa-f4ef77acab33/bin/utaipan-9zjyvhn0QE/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2021-10-24 10:08:54,302 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:08:54,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:08:54,308 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:08:54,308 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:08:54,308 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:08:54,315 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:08:54,315 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:08:54,315 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:08:54,315 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:08:54,316 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:08:54,317 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:08:54,317 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:08:54,318 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:08:54,318 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:08:54,318 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:08:54,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-24 10:08:54,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-24 10:08:54,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:08:54,320 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:08:54,320 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-24 10:08:54,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:08:54,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:08:54,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:08:54,321 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-24 10:08:54,321 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-24 10:08:54,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:08:54,323 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:08:54,324 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:08:54,324 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:08:54,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:08:54,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:08:54,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:08:54,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:08:54,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:08:54,325 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:08:54,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:08:54,326 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:08:54,326 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:08:54,326 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_d2412280-8fd9-40aa-96aa-f4ef77acab33/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2412280-8fd9-40aa-96aa-f4ef77acab33/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 [2021-10-24 10:08:54,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:08:54,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:08:54,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:08:54,637 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:08:54,638 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:08:54,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2412280-8fd9-40aa-96aa-f4ef77acab33/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/memsafety/global-atexit.i [2021-10-24 10:08:54,710 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2412280-8fd9-40aa-96aa-f4ef77acab33/bin/utaipan-9zjyvhn0QE/data/a77eb3c48/d3717a663c764eb5be97f93c9df108a9/FLAG517f5e9e8 [2021-10-24 10:08:55,295 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:08:55,296 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2412280-8fd9-40aa-96aa-f4ef77acab33/sv-benchmarks/c/memsafety/global-atexit.i [2021-10-24 10:08:55,312 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2412280-8fd9-40aa-96aa-f4ef77acab33/bin/utaipan-9zjyvhn0QE/data/a77eb3c48/d3717a663c764eb5be97f93c9df108a9/FLAG517f5e9e8 [2021-10-24 10:08:55,589 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2412280-8fd9-40aa-96aa-f4ef77acab33/bin/utaipan-9zjyvhn0QE/data/a77eb3c48/d3717a663c764eb5be97f93c9df108a9 [2021-10-24 10:08:55,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:08:55,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:08:55,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:08:55,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:08:55,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:08:55,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:08:55" (1/1) ... [2021-10-24 10:08:55,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@576046fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:08:55, skipping insertion in model container [2021-10-24 10:08:55,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:08:55" (1/1) ... [2021-10-24 10:08:55,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:08:55,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:08:55,992 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-10-24 10:08:55,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@34605d23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:08:55, skipping insertion in model container [2021-10-24 10:08:55,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:08:56,000 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:08:56,002 INFO L168 Benchmark]: Toolchain (without parser) took 407.61 ms. Allocated memory is still 94.4 MB. Free memory was 50.6 MB in the beginning and 68.5 MB in the end (delta: -17.9 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:08:56,003 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory is still 68.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:08:56,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.85 ms. Allocated memory is still 94.4 MB. Free memory was 50.4 MB in the beginning and 68.5 MB in the end (delta: -18.1 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2021-10-24 10:08:56,007 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory is still 68.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 404.85 ms. Allocated memory is still 94.4 MB. Free memory was 50.4 MB in the beginning and 68.5 MB in the end (delta: -18.1 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 570]: Unsupported Syntax Unsupported function: atexit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:08:58,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:08:58,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:08:58,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:08:58,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:08:58,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:08:58,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:08:58,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:08:58,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:08:58,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:08:58,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:08:58,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:08:58,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:08:58,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:08:58,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:08:58,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:08:58,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:08:58,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:08:58,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:08:58,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:08:58,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:08:58,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:08:58,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:08:58,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:08:58,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:08:58,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:08:58,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:08:58,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:08:58,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:08:58,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:08:58,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:08:58,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:08:58,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:08:58,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:08:58,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:08:58,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:08:58,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:08:58,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:08:58,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:08:58,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:08:58,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:08:58,438 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2412280-8fd9-40aa-96aa-f4ef77acab33/bin/utaipan-9zjyvhn0QE/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2021-10-24 10:08:58,469 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:08:58,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:08:58,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:08:58,471 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:08:58,471 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:08:58,472 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:08:58,472 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:08:58,472 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:08:58,472 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:08:58,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-24 10:08:58,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-24 10:08:58,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:08:58,474 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:08:58,474 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-24 10:08:58,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:08:58,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:08:58,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:08:58,475 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-24 10:08:58,476 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-24 10:08:58,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:08:58,476 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:08:58,477 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:08:58,477 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:08:58,477 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:08:58,477 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:08:58,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:08:58,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:08:58,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:08:58,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:08:58,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:08:58,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:08:58,479 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:08:58,480 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:08:58,480 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:08:58,480 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:08:58,481 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_d2412280-8fd9-40aa-96aa-f4ef77acab33/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2412280-8fd9-40aa-96aa-f4ef77acab33/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bb48efe8061468b6914d561c4062d44e07c687a579c8d4a5b0b3a737abe7fd2 [2021-10-24 10:08:58,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:08:58,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:08:58,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:08:58,948 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:08:58,949 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:08:58,950 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2412280-8fd9-40aa-96aa-f4ef77acab33/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/memsafety/global-atexit.i [2021-10-24 10:08:59,034 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2412280-8fd9-40aa-96aa-f4ef77acab33/bin/utaipan-9zjyvhn0QE/data/688f485ce/90518de64fc64ff48f106962bd8b9725/FLAG013fecd46 [2021-10-24 10:08:59,702 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:08:59,707 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2412280-8fd9-40aa-96aa-f4ef77acab33/sv-benchmarks/c/memsafety/global-atexit.i [2021-10-24 10:08:59,726 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2412280-8fd9-40aa-96aa-f4ef77acab33/bin/utaipan-9zjyvhn0QE/data/688f485ce/90518de64fc64ff48f106962bd8b9725/FLAG013fecd46 [2021-10-24 10:08:59,919 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2412280-8fd9-40aa-96aa-f4ef77acab33/bin/utaipan-9zjyvhn0QE/data/688f485ce/90518de64fc64ff48f106962bd8b9725 [2021-10-24 10:08:59,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:08:59,930 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:08:59,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:08:59,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:08:59,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:08:59,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:08:59" (1/1) ... [2021-10-24 10:08:59,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23086cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:08:59, skipping insertion in model container [2021-10-24 10:08:59,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:08:59" (1/1) ... [2021-10-24 10:08:59,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:09:00,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:09:00,390 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-10-24 10:09:00,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@248dcddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:09:00, skipping insertion in model container [2021-10-24 10:09:00,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:09:00,391 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:09:00,396 INFO L168 Benchmark]: Toolchain (without parser) took 462.01 ms. Allocated memory is still 69.2 MB. Free memory was 46.8 MB in the beginning and 50.1 MB in the end (delta: -3.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:09:00,398 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 69.2 MB. Free memory is still 49.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:09:00,399 INFO L168 Benchmark]: CACSL2BoogieTranslator took 457.20 ms. Allocated memory is still 69.2 MB. Free memory was 46.7 MB in the beginning and 50.1 MB in the end (delta: -3.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:09:00,402 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 69.2 MB. Free memory is still 49.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 457.20 ms. Allocated memory is still 69.2 MB. Free memory was 46.7 MB in the beginning and 50.1 MB in the end (delta: -3.4 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: 570]: Unsupported Syntax Unsupported function: atexit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...