./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 19:35:55,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 19:35:55,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 19:35:55,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 19:35:55,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 19:35:55,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 19:35:55,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 19:35:55,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 19:35:55,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 19:35:55,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 19:35:55,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 19:35:55,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 19:35:55,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 19:35:55,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 19:35:55,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 19:35:55,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 19:35:55,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 19:35:55,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 19:35:55,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 19:35:55,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 19:35:55,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 19:35:55,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 19:35:55,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 19:35:55,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 19:35:55,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 19:35:55,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 19:35:55,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 19:35:55,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 19:35:55,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 19:35:55,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 19:35:55,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 19:35:55,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 19:35:55,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 19:35:55,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 19:35:55,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 19:35:55,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 19:35:55,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 19:35:55,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 19:35:55,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 19:35:55,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 19:35:55,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 19:35:55,708 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-12-14 19:35:55,722 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 19:35:55,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 19:35:55,722 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 19:35:55,722 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 19:35:55,723 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 19:35:55,723 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 19:35:55,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 19:35:55,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 19:35:55,724 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 19:35:55,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 19:35:55,724 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 19:35:55,724 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 19:35:55,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 19:35:55,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 19:35:55,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 19:35:55,725 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-14 19:35:55,725 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-14 19:35:55,725 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-14 19:35:55,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 19:35:55,726 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-14 19:35:55,726 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 19:35:55,726 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 19:35:55,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 19:35:55,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 19:35:55,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 19:35:55,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:35:55,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 19:35:55,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 19:35:55,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 19:35:55,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 19:35:55,727 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 19:35:55,727 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2021-12-14 19:35:55,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 19:35:55,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 19:35:55,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 19:35:55,946 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 19:35:55,948 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 19:35:55,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-12-14 19:35:56,012 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2c4e998f/5023712ef2c441a691ca1bb13fd4e4a4/FLAG16569e601 [2021-12-14 19:35:56,381 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 19:35:56,383 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-12-14 19:35:56,391 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2c4e998f/5023712ef2c441a691ca1bb13fd4e4a4/FLAG16569e601 [2021-12-14 19:35:56,400 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2c4e998f/5023712ef2c441a691ca1bb13fd4e4a4 [2021-12-14 19:35:56,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 19:35:56,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 19:35:56,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 19:35:56,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 19:35:56,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 19:35:56,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:35:56" (1/1) ... [2021-12-14 19:35:56,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10fd624c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:35:56, skipping insertion in model container [2021-12-14 19:35:56,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:35:56" (1/1) ... [2021-12-14 19:35:56,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 19:35:56,447 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 19:35:56,645 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-12-14 19:35:56,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@20ac39fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:35:56, skipping insertion in model container [2021-12-14 19:35:56,646 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 19:35:56,646 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-14 19:35:56,647 INFO L158 Benchmark]: Toolchain (without parser) took 241.79ms. Allocated memory is still 88.1MB. Free memory was 55.6MB in the beginning and 65.0MB in the end (delta: -9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-14 19:35:56,648 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 88.1MB. Free memory was 45.1MB in the beginning and 45.1MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 19:35:56,649 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.32ms. Allocated memory is still 88.1MB. Free memory was 55.4MB in the beginning and 65.0MB in the end (delta: -9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-14 19:35:56,650 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 88.1MB. Free memory was 45.1MB in the beginning and 45.1MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.32ms. Allocated memory is still 88.1MB. Free memory was 55.4MB in the beginning and 65.0MB in the end (delta: -9.6MB). 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=/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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 19:35:58,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 19:35:58,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 19:35:58,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 19:35:58,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 19:35:58,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 19:35:58,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 19:35:58,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 19:35:58,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 19:35:58,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 19:35:58,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 19:35:58,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 19:35:58,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 19:35:58,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 19:35:58,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 19:35:58,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 19:35:58,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 19:35:58,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 19:35:58,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 19:35:58,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 19:35:58,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 19:35:58,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 19:35:58,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 19:35:58,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 19:35:58,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 19:35:58,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 19:35:58,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 19:35:58,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 19:35:58,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 19:35:58,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 19:35:58,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 19:35:58,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 19:35:58,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 19:35:58,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 19:35:58,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 19:35:58,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 19:35:58,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 19:35:58,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 19:35:58,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 19:35:58,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 19:35:58,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 19:35:58,137 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-12-14 19:35:58,175 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 19:35:58,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 19:35:58,176 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 19:35:58,176 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 19:35:58,177 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 19:35:58,177 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 19:35:58,178 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 19:35:58,178 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 19:35:58,179 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 19:35:58,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 19:35:58,179 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 19:35:58,180 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 19:35:58,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 19:35:58,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 19:35:58,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 19:35:58,180 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-14 19:35:58,180 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-14 19:35:58,181 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-14 19:35:58,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 19:35:58,181 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-14 19:35:58,181 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-14 19:35:58,181 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-14 19:35:58,181 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 19:35:58,182 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 19:35:58,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 19:35:58,182 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 19:35:58,182 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 19:35:58,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:35:58,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 19:35:58,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 19:35:58,183 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-14 19:35:58,183 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-14 19:35:58,183 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 19:35:58,183 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-14 19:35:58,184 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2021-12-14 19:35:58,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 19:35:58,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 19:35:58,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 19:35:58,458 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 19:35:58,458 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 19:35:58,459 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-12-14 19:35:58,526 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/954a82f0e/5ccfeae01d4444a8853ee76177bec73d/FLAGc77350c71 [2021-12-14 19:35:58,970 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 19:35:58,971 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-12-14 19:35:58,994 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/954a82f0e/5ccfeae01d4444a8853ee76177bec73d/FLAGc77350c71 [2021-12-14 19:35:59,498 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/954a82f0e/5ccfeae01d4444a8853ee76177bec73d [2021-12-14 19:35:59,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 19:35:59,502 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 19:35:59,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 19:35:59,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 19:35:59,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 19:35:59,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:35:59" (1/1) ... [2021-12-14 19:35:59,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3237fb89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:35:59, skipping insertion in model container [2021-12-14 19:35:59,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:35:59" (1/1) ... [2021-12-14 19:35:59,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 19:35:59,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 19:35:59,729 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-12-14 19:35:59,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4c727f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:35:59, skipping insertion in model container [2021-12-14 19:35:59,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 19:35:59,731 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-14 19:35:59,733 INFO L158 Benchmark]: Toolchain (without parser) took 229.94ms. Allocated memory is still 56.6MB. Free memory was 40.4MB in the beginning and 40.0MB in the end (delta: 395.4kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-14 19:35:59,734 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 46.1MB. Free memory was 28.7MB in the beginning and 28.7MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 19:35:59,735 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.45ms. Allocated memory is still 56.6MB. Free memory was 40.3MB in the beginning and 40.0MB in the end (delta: 229.4kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-14 19:35:59,737 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 46.1MB. Free memory was 28.7MB in the beginning and 28.7MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 227.45ms. Allocated memory is still 56.6MB. Free memory was 40.3MB in the beginning and 40.0MB in the end (delta: 229.4kB). Peak memory consumption was 14.7MB. 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