./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 e19ca921 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-e19ca92 [2021-12-22 00:01:55,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 00:01:55,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 00:01:55,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 00:01:55,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 00:01:55,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 00:01:55,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 00:01:55,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 00:01:55,894 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 00:01:55,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 00:01:55,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 00:01:55,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 00:01:55,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 00:01:55,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 00:01:55,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 00:01:55,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 00:01:55,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 00:01:55,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 00:01:55,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 00:01:55,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 00:01:55,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 00:01:55,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 00:01:55,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 00:01:55,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 00:01:55,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 00:01:55,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 00:01:55,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 00:01:55,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 00:01:55,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 00:01:55,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 00:01:55,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 00:01:55,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 00:01:55,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 00:01:55,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 00:01:55,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 00:01:55,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 00:01:55,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 00:01:55,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 00:01:55,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 00:01:55,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 00:01:55,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 00:01:55,921 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-12-22 00:01:55,942 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 00:01:55,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 00:01:55,942 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 00:01:55,943 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 00:01:55,943 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 00:01:55,944 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 00:01:55,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 00:01:55,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 00:01:55,945 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 00:01:55,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 00:01:55,945 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 00:01:55,946 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 00:01:55,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 00:01:55,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 00:01:55,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 00:01:55,947 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-22 00:01:55,947 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-22 00:01:55,947 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-22 00:01:55,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 00:01:55,948 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-22 00:01:55,948 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 00:01:55,948 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 00:01:55,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 00:01:55,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 00:01:55,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 00:01:55,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 00:01:55,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 00:01:55,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 00:01:55,950 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 00:01:55,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 00:01:55,950 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 00:01:55,950 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2021-12-22 00:01:56,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 00:01:56,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 00:01:56,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 00:01:56,207 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 00:01:56,208 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 00:01:56,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-12-22 00:01:56,261 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d0f3ff5e/56bbe630a9d24fb788a847414e1b1590/FLAGc77638dfe [2021-12-22 00:01:56,742 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 00:01:56,754 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-12-22 00:01:56,770 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d0f3ff5e/56bbe630a9d24fb788a847414e1b1590/FLAGc77638dfe [2021-12-22 00:01:57,030 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d0f3ff5e/56bbe630a9d24fb788a847414e1b1590 [2021-12-22 00:01:57,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 00:01:57,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 00:01:57,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 00:01:57,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 00:01:57,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 00:01:57,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 12:01:57" (1/1) ... [2021-12-22 00:01:57,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38e2873d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:01:57, skipping insertion in model container [2021-12-22 00:01:57,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 12:01:57" (1/1) ... [2021-12-22 00:01:57,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 00:01:57,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 00:01:57,282 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-12-22 00:01:57,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@195fb261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:01:57, skipping insertion in model container [2021-12-22 00:01:57,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 00:01:57,287 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-22 00:01:57,290 INFO L158 Benchmark]: Toolchain (without parser) took 254.98ms. Allocated memory is still 90.2MB. Free memory was 66.9MB in the beginning and 56.8MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-22 00:01:57,291 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 90.2MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 00:01:57,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.10ms. Allocated memory is still 90.2MB. Free memory was 66.9MB in the beginning and 56.8MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-22 00:01:57,293 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 90.2MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.10ms. Allocated memory is still 90.2MB. Free memory was 66.9MB in the beginning and 56.8MB in the end (delta: 10.1MB). 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-dev-e19ca92 [2021-12-22 00:01:59,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 00:01:59,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 00:01:59,111 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 00:01:59,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 00:01:59,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 00:01:59,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 00:01:59,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 00:01:59,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 00:01:59,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 00:01:59,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 00:01:59,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 00:01:59,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 00:01:59,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 00:01:59,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 00:01:59,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 00:01:59,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 00:01:59,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 00:01:59,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 00:01:59,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 00:01:59,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 00:01:59,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 00:01:59,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 00:01:59,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 00:01:59,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 00:01:59,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 00:01:59,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 00:01:59,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 00:01:59,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 00:01:59,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 00:01:59,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 00:01:59,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 00:01:59,167 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 00:01:59,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 00:01:59,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 00:01:59,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 00:01:59,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 00:01:59,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 00:01:59,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 00:01:59,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 00:01:59,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 00:01:59,176 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-12-22 00:01:59,214 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 00:01:59,215 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 00:01:59,216 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 00:01:59,216 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 00:01:59,217 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 00:01:59,217 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 00:01:59,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 00:01:59,219 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 00:01:59,219 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 00:01:59,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 00:01:59,220 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 00:01:59,220 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 00:01:59,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 00:01:59,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 00:01:59,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 00:01:59,221 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-22 00:01:59,221 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-22 00:01:59,221 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-22 00:01:59,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 00:01:59,221 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-22 00:01:59,222 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-22 00:01:59,222 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-22 00:01:59,222 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 00:01:59,222 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 00:01:59,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 00:01:59,223 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 00:01:59,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 00:01:59,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 00:01:59,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 00:01:59,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 00:01:59,223 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-22 00:01:59,224 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-22 00:01:59,224 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 00:01:59,224 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-22 00:01:59,224 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da781861d59395b8d404bdcbec80a46056549d551480bc32d5f4fe797e308d7 [2021-12-22 00:01:59,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 00:01:59,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 00:01:59,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 00:01:59,586 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 00:01:59,587 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 00:01:59,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety/global-atexit-2.i [2021-12-22 00:01:59,650 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d00902610/5cb601c32af94f8db2b3b4c4ed87ef0a/FLAGfecde8289 [2021-12-22 00:02:00,102 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 00:02:00,102 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety/global-atexit-2.i [2021-12-22 00:02:00,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d00902610/5cb601c32af94f8db2b3b4c4ed87ef0a/FLAGfecde8289 [2021-12-22 00:02:00,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d00902610/5cb601c32af94f8db2b3b4c4ed87ef0a [2021-12-22 00:02:00,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 00:02:00,474 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 00:02:00,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 00:02:00,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 00:02:00,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 00:02:00,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 12:02:00" (1/1) ... [2021-12-22 00:02:00,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39a2bef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:02:00, skipping insertion in model container [2021-12-22 00:02:00,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 12:02:00" (1/1) ... [2021-12-22 00:02:00,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 00:02:00,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 00:02:00,801 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2021-12-22 00:02:00,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@15fbf507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:02:00, skipping insertion in model container [2021-12-22 00:02:00,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 00:02:00,803 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-22 00:02:00,807 INFO L158 Benchmark]: Toolchain (without parser) took 330.79ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 28.7MB in the beginning and 46.2MB in the end (delta: -17.5MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-12-22 00:02:00,808 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 52.4MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 00:02:00,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.16ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 28.6MB in the beginning and 46.2MB in the end (delta: -17.6MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-12-22 00:02:00,812 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 52.4MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.16ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 28.6MB in the beginning and 46.2MB in the end (delta: -17.6MB). Peak memory consumption was 7.5MB. 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