./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/global-atexit-5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb24f658-046f-45f7-8c10-ee02a300bc61/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb24f658-046f-45f7-8c10-ee02a300bc61/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb24f658-046f-45f7-8c10-ee02a300bc61/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb24f658-046f-45f7-8c10-ee02a300bc61/bin/utaipan-TEXQjIfE4P/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb24f658-046f-45f7-8c10-ee02a300bc61/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb24f658-046f-45f7-8c10-ee02a300bc61/bin/utaipan-TEXQjIfE4P --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 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:08:39,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:08:39,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:08:39,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:08:39,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:08:39,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:08:39,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:08:39,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:08:39,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:08:39,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:08:39,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:08:39,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:08:39,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:08:39,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:08:39,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:08:39,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:08:39,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:08:39,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:08:39,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:08:39,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:08:39,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:08:39,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:08:39,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:08:39,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:08:39,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:08:39,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:08:39,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:08:39,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:08:39,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:08:39,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:08:39,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:08:39,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:08:39,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:08:39,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:08:39,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:08:39,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:08:39,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:08:39,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:08:39,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:08:39,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:08:39,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:08:39,212 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb24f658-046f-45f7-8c10-ee02a300bc61/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-21 00:08:39,268 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:08:39,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:08:39,278 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:08:39,278 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:08:39,279 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:08:39,279 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:08:39,280 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:08:39,280 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:08:39,280 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:08:39,280 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:08:39,280 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:08:39,280 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:08:39,281 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:08:39,281 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:08:39,281 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:08:39,281 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:08:39,281 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:08:39,282 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:08:39,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 00:08:39,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 00:08:39,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:08:39,283 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:08:39,283 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 00:08:39,283 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:08:39,283 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:08:39,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:08:39,283 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 00:08:39,284 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 00:08:39,284 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-21 00:08:39,284 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:08:39,284 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-21 00:08:39,284 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:08:39,285 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:08:39,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:08:39,285 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:08:39,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:08:39,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:08:39,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:08:39,286 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:08:39,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:08:39,287 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:08:39,287 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:08:39,287 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_fb24f658-046f-45f7-8c10-ee02a300bc61/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb24f658-046f-45f7-8c10-ee02a300bc61/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 [2021-11-21 00:08:39,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:08:39,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:08:39,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:08:39,661 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:08:39,662 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:08:39,663 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb24f658-046f-45f7-8c10-ee02a300bc61/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/memsafety/global-atexit-5.i [2021-11-21 00:08:39,776 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb24f658-046f-45f7-8c10-ee02a300bc61/bin/utaipan-TEXQjIfE4P/data/b59c86c7b/d015ed47dfc841bbb62233f7eb508424/FLAG73997eb5c [2021-11-21 00:08:40,339 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:08:40,340 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb24f658-046f-45f7-8c10-ee02a300bc61/sv-benchmarks/c/memsafety/global-atexit-5.i [2021-11-21 00:08:40,378 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb24f658-046f-45f7-8c10-ee02a300bc61/bin/utaipan-TEXQjIfE4P/data/b59c86c7b/d015ed47dfc841bbb62233f7eb508424/FLAG73997eb5c [2021-11-21 00:08:40,671 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb24f658-046f-45f7-8c10-ee02a300bc61/bin/utaipan-TEXQjIfE4P/data/b59c86c7b/d015ed47dfc841bbb62233f7eb508424 [2021-11-21 00:08:40,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:08:40,678 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:08:40,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:08:40,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:08:40,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:08:40,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:08:40" (1/1) ... [2021-11-21 00:08:40,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9c4b861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:08:40, skipping insertion in model container [2021-11-21 00:08:40,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:08:40" (1/1) ... [2021-11-21 00:08:40,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:08:40,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:08:41,086 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-21 00:08:41,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@25955ed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:08:41, skipping insertion in model container [2021-11-21 00:08:41,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:08:41,088 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-21 00:08:41,090 INFO L158 Benchmark]: Toolchain (without parser) took 411.02ms. Allocated memory is still 102.8MB. Free memory was 63.9MB in the beginning and 77.4MB in the end (delta: -13.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 00:08:41,091 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory was 81.8MB in the beginning and 81.7MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 00:08:41,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.41ms. Allocated memory is still 102.8MB. Free memory was 63.7MB in the beginning and 77.4MB in the end (delta: -13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 00:08:41,094 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 102.8MB. Free memory was 81.8MB in the beginning and 81.7MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.41ms. Allocated memory is still 102.8MB. Free memory was 63.7MB in the beginning and 77.4MB in the end (delta: -13.7MB). Peak memory consumption was 8.4MB. 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_fb24f658-046f-45f7-8c10-ee02a300bc61/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb24f658-046f-45f7-8c10-ee02a300bc61/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb24f658-046f-45f7-8c10-ee02a300bc61/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb24f658-046f-45f7-8c10-ee02a300bc61/bin/utaipan-TEXQjIfE4P/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb24f658-046f-45f7-8c10-ee02a300bc61/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb24f658-046f-45f7-8c10-ee02a300bc61/bin/utaipan-TEXQjIfE4P --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 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:08:43,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:08:43,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:08:43,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:08:43,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:08:43,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:08:43,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:08:43,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:08:43,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:08:43,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:08:43,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:08:43,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:08:43,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:08:43,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:08:43,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:08:43,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:08:43,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:08:43,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:08:43,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:08:43,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:08:43,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:08:43,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:08:43,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:08:43,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:08:43,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:08:43,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:08:43,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:08:43,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:08:43,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:08:43,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:08:43,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:08:43,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:08:43,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:08:43,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:08:43,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:08:43,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:08:43,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:08:43,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:08:43,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:08:43,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:08:43,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:08:43,767 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb24f658-046f-45f7-8c10-ee02a300bc61/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-21 00:08:43,826 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:08:43,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:08:43,829 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:08:43,829 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:08:43,830 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:08:43,831 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:08:43,831 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:08:43,831 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:08:43,832 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:08:43,832 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:08:43,833 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:08:43,834 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:08:43,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 00:08:43,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 00:08:43,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:08:43,836 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:08:43,837 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 00:08:43,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:08:43,837 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:08:43,837 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:08:43,838 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 00:08:43,838 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 00:08:43,838 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-21 00:08:43,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:08:43,839 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-21 00:08:43,839 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-21 00:08:43,839 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-21 00:08:43,839 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:08:43,840 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:08:43,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:08:43,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-21 00:08:43,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:08:43,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:08:43,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:08:43,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:08:43,842 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-21 00:08:43,842 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-21 00:08:43,843 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:08:43,843 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:08:43,843 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_fb24f658-046f-45f7-8c10-ee02a300bc61/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb24f658-046f-45f7-8c10-ee02a300bc61/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89278d854a8128eebc941ecf98beecfa86ade231869ef60481b85a33a16751d9 [2021-11-21 00:08:44,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:08:44,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:08:44,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:08:44,424 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:08:44,425 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:08:44,426 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb24f658-046f-45f7-8c10-ee02a300bc61/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/memsafety/global-atexit-5.i [2021-11-21 00:08:44,510 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb24f658-046f-45f7-8c10-ee02a300bc61/bin/utaipan-TEXQjIfE4P/data/58edd816f/a40b8175331e4c71a1aaa87693650364/FLAG09406cca4 [2021-11-21 00:08:45,138 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:08:45,139 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb24f658-046f-45f7-8c10-ee02a300bc61/sv-benchmarks/c/memsafety/global-atexit-5.i [2021-11-21 00:08:45,154 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb24f658-046f-45f7-8c10-ee02a300bc61/bin/utaipan-TEXQjIfE4P/data/58edd816f/a40b8175331e4c71a1aaa87693650364/FLAG09406cca4 [2021-11-21 00:08:45,423 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb24f658-046f-45f7-8c10-ee02a300bc61/bin/utaipan-TEXQjIfE4P/data/58edd816f/a40b8175331e4c71a1aaa87693650364 [2021-11-21 00:08:45,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:08:45,428 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:08:45,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:08:45,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:08:45,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:08:45,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:08:45" (1/1) ... [2021-11-21 00:08:45,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@636bd33c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:08:45, skipping insertion in model container [2021-11-21 00:08:45,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:08:45" (1/1) ... [2021-11-21 00:08:45,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:08:45,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:08:45,859 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-11-21 00:08:45,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@74cb499c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:08:45, skipping insertion in model container [2021-11-21 00:08:45,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:08:45,861 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-21 00:08:45,864 INFO L158 Benchmark]: Toolchain (without parser) took 433.53ms. Allocated memory is still 77.6MB. Free memory was 42.4MB in the beginning and 61.9MB in the end (delta: -19.5MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2021-11-21 00:08:45,865 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 77.6MB. Free memory was 60.0MB in the beginning and 59.9MB in the end (delta: 70.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 00:08:45,868 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.88ms. Allocated memory is still 77.6MB. Free memory was 42.2MB in the beginning and 61.9MB in the end (delta: -19.7MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2021-11-21 00:08:45,870 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 77.6MB. Free memory was 60.0MB in the beginning and 59.9MB in the end (delta: 70.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 429.88ms. Allocated memory is still 77.6MB. Free memory was 42.2MB in the beginning and 61.9MB in the end (delta: -19.7MB). Peak memory consumption was 9.6MB. 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