./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 ff03de63 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-dev-ff03de6 [2021-12-21 18:03:24,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 18:03:24,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 18:03:24,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 18:03:24,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 18:03:24,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 18:03:24,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 18:03:24,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 18:03:24,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 18:03:24,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 18:03:24,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 18:03:24,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 18:03:24,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 18:03:24,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 18:03:24,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 18:03:24,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 18:03:24,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 18:03:24,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 18:03:24,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 18:03:24,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 18:03:24,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 18:03:24,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 18:03:24,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 18:03:24,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 18:03:24,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 18:03:24,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 18:03:24,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 18:03:24,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 18:03:24,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 18:03:24,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 18:03:24,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 18:03:24,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 18:03:24,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 18:03:24,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 18:03:24,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 18:03:24,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 18:03:24,190 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 18:03:24,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 18:03:24,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 18:03:24,192 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 18:03:24,193 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 18:03:24,194 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-12-21 18:03:24,209 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 18:03:24,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 18:03:24,209 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 18:03:24,210 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 18:03:24,210 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 18:03:24,210 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 18:03:24,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 18:03:24,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 18:03:24,211 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 18:03:24,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 18:03:24,211 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 18:03:24,211 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-21 18:03:24,211 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 18:03:24,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 18:03:24,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 18:03:24,212 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-21 18:03:24,212 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-21 18:03:24,212 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-21 18:03:24,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 18:03:24,213 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-21 18:03:24,213 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 18:03:24,213 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 18:03:24,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 18:03:24,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 18:03:24,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 18:03:24,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 18:03:24,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 18:03:24,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 18:03:24,214 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 18:03:24,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 18:03:24,214 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 18:03:24,215 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2021-12-21 18:03:24,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 18:03:24,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 18:03:24,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 18:03:24,409 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 18:03:24,409 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 18:03:24,410 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-12-21 18:03:24,475 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/010c78c78/cfc48ee584034953b7a59a7a421a3f6f/FLAG2c1adab91 [2021-12-21 18:03:24,832 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 18:03:24,839 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-12-21 18:03:24,848 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/010c78c78/cfc48ee584034953b7a59a7a421a3f6f/FLAG2c1adab91 [2021-12-21 18:03:25,236 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/010c78c78/cfc48ee584034953b7a59a7a421a3f6f [2021-12-21 18:03:25,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 18:03:25,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 18:03:25,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 18:03:25,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 18:03:25,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 18:03:25,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 06:03:25" (1/1) ... [2021-12-21 18:03:25,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a3f7551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 06:03:25, skipping insertion in model container [2021-12-21 18:03:25,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 06:03:25" (1/1) ... [2021-12-21 18:03:25,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 18:03:25,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 18:03:25,484 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-12-21 18:03:25,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5a920c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 06:03:25, skipping insertion in model container [2021-12-21 18:03:25,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 18:03:25,485 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-21 18:03:25,487 INFO L158 Benchmark]: Toolchain (without parser) took 246.85ms. Allocated memory is still 132.1MB. Free memory was 105.3MB in the beginning and 107.0MB in the end (delta: -1.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-21 18:03:25,488 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 88.1MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 18:03:25,489 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.96ms. Allocated memory is still 132.1MB. Free memory was 105.3MB in the beginning and 107.0MB in the end (delta: -1.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-21 18:03:25,490 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 88.1MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.96ms. Allocated memory is still 132.1MB. Free memory was 105.3MB in the beginning and 107.0MB in the end (delta: -1.7MB). 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-dev-ff03de6 [2021-12-21 18:03:27,000 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 18:03:27,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 18:03:27,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 18:03:27,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 18:03:27,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 18:03:27,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 18:03:27,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 18:03:27,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 18:03:27,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 18:03:27,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 18:03:27,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 18:03:27,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 18:03:27,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 18:03:27,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 18:03:27,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 18:03:27,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 18:03:27,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 18:03:27,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 18:03:27,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 18:03:27,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 18:03:27,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 18:03:27,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 18:03:27,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 18:03:27,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 18:03:27,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 18:03:27,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 18:03:27,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 18:03:27,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 18:03:27,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 18:03:27,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 18:03:27,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 18:03:27,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 18:03:27,072 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 18:03:27,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 18:03:27,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 18:03:27,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 18:03:27,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 18:03:27,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 18:03:27,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 18:03:27,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 18:03:27,077 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-12-21 18:03:27,103 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 18:03:27,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 18:03:27,105 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 18:03:27,105 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 18:03:27,105 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 18:03:27,106 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 18:03:27,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 18:03:27,107 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 18:03:27,107 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 18:03:27,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 18:03:27,107 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 18:03:27,108 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-21 18:03:27,108 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 18:03:27,108 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 18:03:27,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 18:03:27,108 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-21 18:03:27,108 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-21 18:03:27,108 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-21 18:03:27,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 18:03:27,109 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-21 18:03:27,109 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-21 18:03:27,109 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-21 18:03:27,109 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 18:03:27,109 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 18:03:27,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 18:03:27,110 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 18:03:27,110 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 18:03:27,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 18:03:27,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 18:03:27,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 18:03:27,118 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-21 18:03:27,118 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-21 18:03:27,118 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 18:03:27,118 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-21 18:03:27,118 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2021-12-21 18:03:27,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 18:03:27,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 18:03:27,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 18:03:27,393 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 18:03:27,393 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 18:03:27,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-12-21 18:03:27,443 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e27d948cd/a603bbe6864a479ca7122f8a7ab7786e/FLAGd4eebb385 [2021-12-21 18:03:27,888 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 18:03:27,889 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-12-21 18:03:27,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e27d948cd/a603bbe6864a479ca7122f8a7ab7786e/FLAGd4eebb385 [2021-12-21 18:03:27,909 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e27d948cd/a603bbe6864a479ca7122f8a7ab7786e [2021-12-21 18:03:27,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 18:03:27,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 18:03:27,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 18:03:27,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 18:03:27,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 18:03:27,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 06:03:27" (1/1) ... [2021-12-21 18:03:27,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@550906fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 06:03:27, skipping insertion in model container [2021-12-21 18:03:27,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 06:03:27" (1/1) ... [2021-12-21 18:03:27,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 18:03:27,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 18:03:28,214 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-12-21 18:03:28,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@28932b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 06:03:28, skipping insertion in model container [2021-12-21 18:03:28,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 18:03:28,216 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-21 18:03:28,218 INFO L158 Benchmark]: Toolchain (without parser) took 303.97ms. Allocated memory is still 67.1MB. Free memory was 49.2MB in the beginning and 50.3MB in the end (delta: -1.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-21 18:03:28,219 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 67.1MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 18:03:28,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.80ms. Allocated memory is still 67.1MB. Free memory was 48.9MB in the beginning and 50.3MB in the end (delta: -1.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-21 18:03:28,222 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 67.1MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.80ms. Allocated memory is still 67.1MB. Free memory was 48.9MB in the beginning and 50.3MB in the end (delta: -1.4MB). 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 Writing output log to file Ultimate.log Result: UNKNOWN