./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 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety/global-atexit-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:59:59,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:59:59,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:59:59,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:59:59,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:59:59,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:59:59,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:59:59,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:59:59,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:59:59,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:59:59,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:59:59,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:59:59,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:59:59,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:59:59,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:59:59,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:59:59,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:59:59,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:59:59,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:59:59,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:59:59,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:59:59,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:59:59,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:59:59,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:59:59,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:59:59,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:59:59,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:59:59,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:59:59,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:59:59,154 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:59:59,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:59:59,155 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:59:59,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:59:59,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:59:59,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:59:59,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:59:59,158 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:59:59,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:59:59,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:59:59,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:59:59,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:59:59,161 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-12-15 13:59:59,185 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:59:59,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:59:59,186 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:59:59,186 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:59:59,187 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:59:59,187 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:59:59,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:59:59,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:59:59,187 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:59:59,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:59:59,188 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 13:59:59,188 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 13:59:59,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:59:59,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 13:59:59,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:59:59,189 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-15 13:59:59,189 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-15 13:59:59,189 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-15 13:59:59,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:59:59,189 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:59:59,190 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 13:59:59,190 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:59:59,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:59:59,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:59:59,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:59:59,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:59:59,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:59:59,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:59:59,191 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:59:59,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:59:59,192 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:59:59,192 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2021-12-15 13:59:59,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:59:59,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:59:59,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:59:59,461 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:59:59,461 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:59:59,462 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-12-15 13:59:59,512 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/363b83b62/300c769d057344129c95208cea45e5cf/FLAG75c326bdf [2021-12-15 13:59:59,923 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:59:59,925 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-12-15 13:59:59,936 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/363b83b62/300c769d057344129c95208cea45e5cf/FLAG75c326bdf [2021-12-15 14:00:00,270 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/363b83b62/300c769d057344129c95208cea45e5cf [2021-12-15 14:00:00,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 14:00:00,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 14:00:00,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 14:00:00,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 14:00:00,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 14:00:00,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:00:00" (1/1) ... [2021-12-15 14:00:00,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b3f35dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:00:00, skipping insertion in model container [2021-12-15 14:00:00,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:00:00" (1/1) ... [2021-12-15 14:00:00,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 14:00:00,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 14:00:00,504 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-12-15 14:00:00,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5f3c39a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:00:00, skipping insertion in model container [2021-12-15 14:00:00,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 14:00:00,505 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-15 14:00:00,507 INFO L158 Benchmark]: Toolchain (without parser) took 233.55ms. Allocated memory is still 71.3MB. Free memory was 47.2MB in the beginning and 36.8MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 14:00:00,508 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 71.3MB. Free memory was 51.2MB in the beginning and 51.2MB in the end (delta: 36.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 14:00:00,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.14ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 37.0MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 14:00:00,511 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 71.3MB. Free memory was 51.2MB in the beginning and 51.2MB in the end (delta: 36.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.14ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 37.0MB in the end (delta: 9.9MB). 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=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety/global-atexit-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 14:00:02,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 14:00:02,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 14:00:02,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 14:00:02,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 14:00:02,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 14:00:02,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 14:00:02,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 14:00:02,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 14:00:02,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 14:00:02,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 14:00:02,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 14:00:02,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 14:00:02,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 14:00:02,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 14:00:02,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 14:00:02,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 14:00:02,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 14:00:02,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 14:00:02,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 14:00:02,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 14:00:02,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 14:00:02,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 14:00:02,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 14:00:02,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 14:00:02,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 14:00:02,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 14:00:02,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 14:00:02,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 14:00:02,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 14:00:02,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 14:00:02,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 14:00:02,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 14:00:02,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 14:00:02,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 14:00:02,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 14:00:02,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 14:00:02,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 14:00:02,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 14:00:02,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 14:00:02,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 14:00:02,487 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-12-15 14:00:02,509 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 14:00:02,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 14:00:02,510 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 14:00:02,510 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 14:00:02,511 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 14:00:02,511 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 14:00:02,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 14:00:02,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 14:00:02,512 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 14:00:02,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 14:00:02,513 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 14:00:02,513 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 14:00:02,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 14:00:02,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 14:00:02,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 14:00:02,514 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-15 14:00:02,514 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-15 14:00:02,514 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-15 14:00:02,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 14:00:02,514 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 14:00:02,515 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 14:00:02,515 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 14:00:02,515 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 14:00:02,515 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 14:00:02,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 14:00:02,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 14:00:02,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 14:00:02,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 14:00:02,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 14:00:02,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 14:00:02,516 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 14:00:02,517 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 14:00:02,517 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 14:00:02,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 14:00:02,517 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2021-12-15 14:00:02,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 14:00:02,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 14:00:02,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 14:00:02,790 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 14:00:02,791 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 14:00:02,792 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-12-15 14:00:02,832 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/feef3d9e2/231fee3bc9a041bab74f3473f3a685ac/FLAG5787aec05 [2021-12-15 14:00:03,279 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 14:00:03,279 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-12-15 14:00:03,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/feef3d9e2/231fee3bc9a041bab74f3473f3a685ac/FLAG5787aec05 [2021-12-15 14:00:03,311 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/feef3d9e2/231fee3bc9a041bab74f3473f3a685ac [2021-12-15 14:00:03,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 14:00:03,314 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 14:00:03,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 14:00:03,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 14:00:03,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 14:00:03,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:00:03" (1/1) ... [2021-12-15 14:00:03,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61f4b6b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:00:03, skipping insertion in model container [2021-12-15 14:00:03,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:00:03" (1/1) ... [2021-12-15 14:00:03,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 14:00:03,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 14:00:03,680 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-12-15 14:00:03,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b628dab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:00:03, skipping insertion in model container [2021-12-15 14:00:03,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 14:00:03,682 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-15 14:00:03,684 INFO L158 Benchmark]: Toolchain (without parser) took 368.83ms. Allocated memory is still 58.7MB. Free memory was 42.2MB in the beginning and 41.3MB in the end (delta: 866.7kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 14:00:03,685 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 48.2MB. Free memory was 30.5MB in the beginning and 30.5MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 14:00:03,686 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.99ms. Allocated memory is still 58.7MB. Free memory was 42.0MB in the beginning and 41.3MB in the end (delta: 693.4kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 14:00:03,687 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 48.2MB. Free memory was 30.5MB in the beginning and 30.5MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.99ms. Allocated memory is still 58.7MB. Free memory was 42.0MB in the beginning and 41.3MB in the end (delta: 693.4kB). Peak memory consumption was 12.6MB. 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