./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_330c8f72-76c3-4097-bf84-6ca3ff0406b4/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_330c8f72-76c3-4097-bf84-6ca3ff0406b4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_330c8f72-76c3-4097-bf84-6ca3ff0406b4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_330c8f72-76c3-4097-bf84-6ca3ff0406b4/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_330c8f72-76c3-4097-bf84-6ca3ff0406b4/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_330c8f72-76c3-4097-bf84-6ca3ff0406b4/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d1b1b34008a1f107ed3f99334cc6076559cadae6 ................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_330c8f72-76c3-4097-bf84-6ca3ff0406b4/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_330c8f72-76c3-4097-bf84-6ca3ff0406b4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_330c8f72-76c3-4097-bf84-6ca3ff0406b4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_330c8f72-76c3-4097-bf84-6ca3ff0406b4/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/global-atexit-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_330c8f72-76c3-4097-bf84-6ca3ff0406b4/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_330c8f72-76c3-4097-bf84-6ca3ff0406b4/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d1b1b34008a1f107ed3f99334cc6076559cadae6 .................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:59:37,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:59:37,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:59:38,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:59:38,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:59:38,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:59:38,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:59:38,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:59:38,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:59:38,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:59:38,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:59:38,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:59:38,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:59:38,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:59:38,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:59:38,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:59:38,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:59:38,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:59:38,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:59:38,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:59:38,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:59:38,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:59:38,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:59:38,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:59:38,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:59:38,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:59:38,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:59:38,091 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:59:38,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:59:38,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:59:38,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:59:38,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:59:38,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:59:38,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:59:38,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:59:38,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:59:38,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:59:38,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:59:38,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:59:38,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:59:38,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:59:38,106 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_330c8f72-76c3-4097-bf84-6ca3ff0406b4/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-11-28 02:59:38,144 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:59:38,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:59:38,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:59:38,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:59:38,147 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:59:38,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:59:38,147 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:59:38,147 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 02:59:38,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:59:38,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:59:38,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:59:38,149 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 02:59:38,149 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 02:59:38,150 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 02:59:38,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:59:38,150 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 02:59:38,150 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:59:38,151 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:59:38,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:59:38,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:59:38,151 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:59:38,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:59:38,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:59:38,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:59:38,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:59:38,152 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:59:38,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:59:38,153 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:59:38,153 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_330c8f72-76c3-4097-bf84-6ca3ff0406b4/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_330c8f72-76c3-4097-bf84-6ca3ff0406b4/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1b1b34008a1f107ed3f99334cc6076559cadae6 [2020-11-28 02:59:38,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:59:38,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:59:38,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:59:38,510 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:59:38,511 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:59:38,512 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_330c8f72-76c3-4097-bf84-6ca3ff0406b4/bin/uautomizer/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2020-11-28 02:59:38,585 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_330c8f72-76c3-4097-bf84-6ca3ff0406b4/bin/uautomizer/data/77c3f616b/a1ab72474ca0440496bd969bae7b942c/FLAG1d98a2923 [2020-11-28 02:59:39,168 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:59:39,169 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_330c8f72-76c3-4097-bf84-6ca3ff0406b4/sv-benchmarks/c/memsafety/global-atexit-2.i [2020-11-28 02:59:39,201 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_330c8f72-76c3-4097-bf84-6ca3ff0406b4/bin/uautomizer/data/77c3f616b/a1ab72474ca0440496bd969bae7b942c/FLAG1d98a2923 [2020-11-28 02:59:39,479 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_330c8f72-76c3-4097-bf84-6ca3ff0406b4/bin/uautomizer/data/77c3f616b/a1ab72474ca0440496bd969bae7b942c [2020-11-28 02:59:39,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:59:39,484 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-28 02:59:39,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:59:39,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:59:39,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:59:39,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:39" (1/1) ... [2020-11-28 02:59:39,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1224dc55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:39, skipping insertion in model container [2020-11-28 02:59:39,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:39" (1/1) ... [2020-11-28 02:59:39,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:59:39,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:59:39,893 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-11-28 02:59:39,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7b224668 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:39, skipping insertion in model container [2020-11-28 02:59:39,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:59:39,895 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-28 02:59:39,898 INFO L168 Benchmark]: Toolchain (without parser) took 412.57 ms. Allocated memory is still 102.8 MB. Free memory was 65.3 MB in the beginning and 78.7 MB in the end (delta: -13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:39,899 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 102.8 MB. Free memory is still 82.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:59:39,901 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.71 ms. Allocated memory is still 102.8 MB. Free memory was 65.1 MB in the beginning and 78.7 MB in the end (delta: -13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:39,904 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 102.8 MB. Free memory is still 82.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 407.71 ms. Allocated memory is still 102.8 MB. Free memory was 65.1 MB in the beginning and 78.7 MB in the end (delta: -13.6 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... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:59:42,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:59:42,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:59:42,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:59:42,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:59:42,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:59:42,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:59:42,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:59:42,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:59:42,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:59:42,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:59:42,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:59:42,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:59:42,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:59:42,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:59:42,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:59:42,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:59:42,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:59:42,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:59:42,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:59:42,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:59:42,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:59:42,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:59:42,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:59:42,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:59:42,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:59:42,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:59:42,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:59:42,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:59:42,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:59:42,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:59:42,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:59:42,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:59:42,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:59:42,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:59:42,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:59:42,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:59:42,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:59:42,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:59:42,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:59:42,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:59:42,295 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_330c8f72-76c3-4097-bf84-6ca3ff0406b4/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2020-11-28 02:59:42,334 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:59:42,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:59:42,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:59:42,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:59:42,339 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:59:42,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:59:42,340 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:59:42,340 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 02:59:42,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:59:42,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:59:42,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:59:42,342 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 02:59:42,343 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 02:59:42,343 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 02:59:42,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:59:42,343 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 02:59:42,344 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 02:59:42,344 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 02:59:42,344 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:59:42,345 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:59:42,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:59:42,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:59:42,345 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:59:42,346 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:59:42,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:59:42,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:59:42,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:59:42,347 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 02:59:42,347 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 02:59:42,347 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:59:42,347 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 02:59:42,348 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_330c8f72-76c3-4097-bf84-6ca3ff0406b4/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_330c8f72-76c3-4097-bf84-6ca3ff0406b4/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1b1b34008a1f107ed3f99334cc6076559cadae6 [2020-11-28 02:59:42,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:59:42,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:59:42,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:59:42,836 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:59:42,837 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:59:42,838 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_330c8f72-76c3-4097-bf84-6ca3ff0406b4/bin/uautomizer/../../sv-benchmarks/c/memsafety/global-atexit-2.i [2020-11-28 02:59:42,916 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_330c8f72-76c3-4097-bf84-6ca3ff0406b4/bin/uautomizer/data/fb8b3388a/e99a86f578b14a29bf4b22f15c7fc3a4/FLAGb7d28ab63 [2020-11-28 02:59:43,459 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:59:43,460 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_330c8f72-76c3-4097-bf84-6ca3ff0406b4/sv-benchmarks/c/memsafety/global-atexit-2.i [2020-11-28 02:59:43,477 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_330c8f72-76c3-4097-bf84-6ca3ff0406b4/bin/uautomizer/data/fb8b3388a/e99a86f578b14a29bf4b22f15c7fc3a4/FLAGb7d28ab63 [2020-11-28 02:59:43,736 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_330c8f72-76c3-4097-bf84-6ca3ff0406b4/bin/uautomizer/data/fb8b3388a/e99a86f578b14a29bf4b22f15c7fc3a4 [2020-11-28 02:59:43,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:59:43,740 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-28 02:59:43,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:59:43,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:59:43,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:59:43,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:43" (1/1) ... [2020-11-28 02:59:43,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e27362f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:43, skipping insertion in model container [2020-11-28 02:59:43,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:43" (1/1) ... [2020-11-28 02:59:43,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:59:43,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:59:44,136 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2020-11-28 02:59:44,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@79371da6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:44, skipping insertion in model container [2020-11-28 02:59:44,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:59:44,137 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-28 02:59:44,140 INFO L168 Benchmark]: Toolchain (without parser) took 398.37 ms. Allocated memory is still 73.4 MB. Free memory was 37.9 MB in the beginning and 57.5 MB in the end (delta: -19.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:44,141 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 73.4 MB. Free memory was 55.2 MB in the beginning and 55.1 MB in the end (delta: 71.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:59:44,141 INFO L168 Benchmark]: CACSL2BoogieTranslator took 395.69 ms. Allocated memory is still 73.4 MB. Free memory was 37.6 MB in the beginning and 57.7 MB in the end (delta: -20.0 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.1 GB. [2020-11-28 02:59:44,143 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 73.4 MB. Free memory was 55.2 MB in the beginning and 55.1 MB in the end (delta: 71.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 395.69 ms. Allocated memory is still 73.4 MB. Free memory was 37.6 MB in the beginning and 57.7 MB in the end (delta: -20.0 MB). Peak memory consumption was 6.7 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...