./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f679ec6b-847e-4705-80cd-da4ee75fc76f/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f679ec6b-847e-4705-80cd-da4ee75fc76f/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_f679ec6b-847e-4705-80cd-da4ee75fc76f/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f679ec6b-847e-4705-80cd-da4ee75fc76f/bin/utaipan-vmNK8stdcF/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f679ec6b-847e-4705-80cd-da4ee75fc76f/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f679ec6b-847e-4705-80cd-da4ee75fc76f/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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:55:51,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:55:51,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:55:51,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:55:51,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:55:51,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:55:51,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:55:51,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:55:51,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:55:51,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:55:51,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:55:51,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:55:51,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:55:51,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:55:51,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:55:51,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:55:51,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:55:51,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:55:51,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:55:51,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:55:51,289 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:55:51,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:55:51,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:55:51,295 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:55:51,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:55:51,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:55:51,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:55:51,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:55:51,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:55:51,309 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:55:51,309 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:55:51,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:55:51,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:55:51,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:55:51,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:55:51,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:55:51,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:55:51,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:55:51,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:55:51,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:55:51,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:55:51,319 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f679ec6b-847e-4705-80cd-da4ee75fc76f/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-12 22:55:51,362 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:55:51,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:55:51,364 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:55:51,364 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:55:51,364 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:55:51,370 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:55:51,371 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:55:51,371 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:55:51,371 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:55:51,371 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:55:51,372 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:55:51,373 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:55:51,373 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:55:51,373 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:55:51,373 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:55:51,373 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:55:51,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-12 22:55:51,375 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-12 22:55:51,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:55:51,375 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 22:55:51,375 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 22:55:51,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:55:51,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 22:55:51,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:55:51,376 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-12 22:55:51,376 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-12 22:55:51,376 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-12 22:55:51,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:55:51,377 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:55:51,377 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 22:55:51,377 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:55:51,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:55:51,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:55:51,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:55:51,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:55:51,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:55:51,378 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:55:51,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:55:51,379 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:55:51,379 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:55:51,379 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_f679ec6b-847e-4705-80cd-da4ee75fc76f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f679ec6b-847e-4705-80cd-da4ee75fc76f/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2021-11-12 22:55:51,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:55:51,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:55:51,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:55:51,666 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:55:51,667 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:55:51,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f679ec6b-847e-4705-80cd-da4ee75fc76f/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-11-12 22:55:51,741 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f679ec6b-847e-4705-80cd-da4ee75fc76f/bin/utaipan-vmNK8stdcF/data/493c3dcdc/40dfaadd364840b1adf3666a5641cc23/FLAG1315edac6 [2021-11-12 22:55:52,306 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:55:52,306 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f679ec6b-847e-4705-80cd-da4ee75fc76f/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-11-12 22:55:52,319 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f679ec6b-847e-4705-80cd-da4ee75fc76f/bin/utaipan-vmNK8stdcF/data/493c3dcdc/40dfaadd364840b1adf3666a5641cc23/FLAG1315edac6 [2021-11-12 22:55:52,595 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f679ec6b-847e-4705-80cd-da4ee75fc76f/bin/utaipan-vmNK8stdcF/data/493c3dcdc/40dfaadd364840b1adf3666a5641cc23 [2021-11-12 22:55:52,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:55:52,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:55:52,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:55:52,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:55:52,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:55:52,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:55:52" (1/1) ... [2021-11-12 22:55:52,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f10d8c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:52, skipping insertion in model container [2021-11-12 22:55:52,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:55:52" (1/1) ... [2021-11-12 22:55:52,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:55:52,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:55:52,999 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-12 22:55:53,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ee5cbfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:52, skipping insertion in model container [2021-11-12 22:55:53,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:55:53,001 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:55:53,003 INFO L158 Benchmark]: Toolchain (without parser) took 402.35ms. Allocated memory is still 153.1MB. Free memory was 116.6MB in the beginning and 127.5MB in the end (delta: -10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-12 22:55:53,005 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 88.1MB. Free memory was 59.5MB in the beginning and 59.5MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:55:53,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.53ms. Allocated memory is still 153.1MB. Free memory was 116.6MB in the beginning and 127.5MB in the end (delta: -10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-12 22:55:53,009 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 88.1MB. Free memory was 59.5MB in the beginning and 59.5MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.53ms. Allocated memory is still 153.1MB. Free memory was 116.6MB in the beginning and 127.5MB in the end (delta: -10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * 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... --- 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_f679ec6b-847e-4705-80cd-da4ee75fc76f/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f679ec6b-847e-4705-80cd-da4ee75fc76f/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_f679ec6b-847e-4705-80cd-da4ee75fc76f/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f679ec6b-847e-4705-80cd-da4ee75fc76f/bin/utaipan-vmNK8stdcF/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f679ec6b-847e-4705-80cd-da4ee75fc76f/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f679ec6b-847e-4705-80cd-da4ee75fc76f/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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:55:55,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:55:55,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:55:55,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:55:55,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:55:55,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:55:55,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:55:55,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:55:55,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:55:55,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:55:55,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:55:55,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:55:55,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:55:55,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:55:55,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:55:55,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:55:55,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:55:55,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:55:55,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:55:55,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:55:55,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:55:55,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:55:55,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:55:55,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:55:55,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:55:55,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:55:55,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:55:55,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:55:55,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:55:55,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:55:55,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:55:55,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:55:55,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:55:55,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:55:55,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:55:55,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:55:55,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:55:55,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:55:55,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:55:55,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:55:55,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:55:55,455 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f679ec6b-847e-4705-80cd-da4ee75fc76f/bin/utaipan-vmNK8stdcF/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-12 22:55:55,494 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:55:55,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:55:55,496 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:55:55,497 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:55:55,497 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:55:55,497 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:55:55,497 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:55:55,497 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:55:55,498 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:55:55,498 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:55:55,500 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-12 22:55:55,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-12 22:55:55,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:55:55,501 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 22:55:55,501 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 22:55:55,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:55:55,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 22:55:55,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:55:55,502 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-12 22:55:55,502 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-12 22:55:55,502 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-12 22:55:55,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:55:55,503 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:55:55,503 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:55:55,503 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:55:55,503 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 22:55:55,504 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:55:55,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:55:55,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:55:55,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:55:55,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:55:55,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:55:55,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:55:55,505 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:55:55,506 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:55:55,506 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:55:55,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:55:55,506 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_f679ec6b-847e-4705-80cd-da4ee75fc76f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f679ec6b-847e-4705-80cd-da4ee75fc76f/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2021-11-12 22:55:55,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:55:55,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:55:55,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:55:55,949 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:55:55,950 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:55:55,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f679ec6b-847e-4705-80cd-da4ee75fc76f/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-11-12 22:55:56,028 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f679ec6b-847e-4705-80cd-da4ee75fc76f/bin/utaipan-vmNK8stdcF/data/3a194ab58/b39a7ef73569489eb5d87526a3aca1e2/FLAGd76e4d2a0 [2021-11-12 22:55:56,652 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:55:56,653 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f679ec6b-847e-4705-80cd-da4ee75fc76f/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-11-12 22:55:56,675 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f679ec6b-847e-4705-80cd-da4ee75fc76f/bin/utaipan-vmNK8stdcF/data/3a194ab58/b39a7ef73569489eb5d87526a3aca1e2/FLAGd76e4d2a0 [2021-11-12 22:55:56,900 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f679ec6b-847e-4705-80cd-da4ee75fc76f/bin/utaipan-vmNK8stdcF/data/3a194ab58/b39a7ef73569489eb5d87526a3aca1e2 [2021-11-12 22:55:56,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:55:56,905 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:55:56,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:55:56,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:55:56,910 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:55:56,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:55:56" (1/1) ... [2021-11-12 22:55:56,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d3aaf4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:56, skipping insertion in model container [2021-11-12 22:55:56,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:55:56" (1/1) ... [2021-11-12 22:55:56,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:55:56,977 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:55:57,241 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-12 22:55:57,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5ae1a4dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:55:57, skipping insertion in model container [2021-11-12 22:55:57,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:55:57,244 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:55:57,247 INFO L158 Benchmark]: Toolchain (without parser) took 341.24ms. Allocated memory is still 65.0MB. Free memory was 44.1MB in the beginning and 48.6MB in the end (delta: -4.5MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2021-11-12 22:55:57,249 INFO L158 Benchmark]: CDTParser took 1.28ms. Allocated memory is still 65.0MB. Free memory is still 45.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:55:57,250 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.30ms. Allocated memory is still 65.0MB. Free memory was 43.8MB in the beginning and 48.6MB in the end (delta: -4.8MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2021-11-12 22:55:57,253 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.28ms. Allocated memory is still 65.0MB. Free memory is still 45.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.30ms. Allocated memory is still 65.0MB. Free memory was 43.8MB in the beginning and 48.6MB in the end (delta: -4.8MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN