./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version ae007674 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/ldv-memsafety/memleaks_test1-1.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 d16575d5ac382ad6271905f4ed68e07f193a6ebe13dc406ddf26185b500897e4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 05:53:41,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 05:53:41,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 05:53:41,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 05:53:41,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 05:53:41,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 05:53:41,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 05:53:41,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 05:53:41,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 05:53:41,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 05:53:41,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 05:53:41,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 05:53:41,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 05:53:41,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 05:53:41,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 05:53:41,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 05:53:41,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 05:53:41,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 05:53:41,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 05:53:41,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 05:53:41,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 05:53:41,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 05:53:41,907 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 05:53:41,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 05:53:41,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 05:53:41,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 05:53:41,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 05:53:41,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 05:53:41,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 05:53:41,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 05:53:41,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 05:53:41,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 05:53:41,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 05:53:41,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 05:53:41,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 05:53:41,930 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 05:53:41,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 05:53:41,931 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 05:53:41,931 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 05:53:41,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 05:53:41,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 05:53:41,937 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-12-28 05:53:41,969 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 05:53:41,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 05:53:41,970 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 05:53:41,971 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 05:53:41,971 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 05:53:41,972 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 05:53:41,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 05:53:41,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 05:53:41,973 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 05:53:41,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 05:53:41,974 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 05:53:41,974 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-28 05:53:41,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 05:53:41,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 05:53:41,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 05:53:41,975 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-28 05:53:41,975 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-28 05:53:41,975 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-28 05:53:41,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 05:53:41,976 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-28 05:53:41,976 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 05:53:41,976 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 05:53:41,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 05:53:41,976 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 05:53:41,976 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 05:53:41,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:53:41,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 05:53:41,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 05:53:41,977 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 05:53:41,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 05:53:41,978 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d16575d5ac382ad6271905f4ed68e07f193a6ebe13dc406ddf26185b500897e4 [2021-12-28 05:53:42,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 05:53:42,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 05:53:42,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 05:53:42,276 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 05:53:42,277 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 05:53:42,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2021-12-28 05:53:42,333 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2b93b37e/de6cd10cfc5e447bbebbdc2a96ca6bbe/FLAG7e38be4ce [2021-12-28 05:53:42,837 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 05:53:42,838 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2021-12-28 05:53:42,853 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2b93b37e/de6cd10cfc5e447bbebbdc2a96ca6bbe/FLAG7e38be4ce [2021-12-28 05:53:43,325 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2b93b37e/de6cd10cfc5e447bbebbdc2a96ca6bbe [2021-12-28 05:53:43,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 05:53:43,328 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 05:53:43,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 05:53:43,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 05:53:43,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 05:53:43,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:53:43" (1/1) ... [2021-12-28 05:53:43,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77c17324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:53:43, skipping insertion in model container [2021-12-28 05:53:43,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:53:43" (1/1) ... [2021-12-28 05:53:43,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 05:53:43,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 05:53:43,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:53:43,722 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-12-28 05:53:43,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2dd857a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:53:43, skipping insertion in model container [2021-12-28 05:53:43,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 05:53:43,724 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-28 05:53:43,727 INFO L158 Benchmark]: Toolchain (without parser) took 396.69ms. Allocated memory is still 69.2MB. Free memory was 47.9MB in the beginning and 49.3MB in the end (delta: -1.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-28 05:53:43,728 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 69.2MB. Free memory was 50.1MB in the beginning and 50.1MB in the end (delta: 32.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 05:53:43,729 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.31ms. Allocated memory is still 69.2MB. Free memory was 47.7MB in the beginning and 49.3MB in the end (delta: -1.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-28 05:53:43,730 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 69.2MB. Free memory was 50.1MB in the beginning and 50.1MB in the end (delta: 32.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.31ms. Allocated memory is still 69.2MB. Free memory was 47.7MB in the beginning and 49.3MB in the end (delta: -1.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) 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/ldv-memsafety/memleaks_test1-1.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 d16575d5ac382ad6271905f4ed68e07f193a6ebe13dc406ddf26185b500897e4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 05:53:45,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 05:53:45,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 05:53:45,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 05:53:45,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 05:53:45,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 05:53:45,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 05:53:45,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 05:53:45,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 05:53:45,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 05:53:45,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 05:53:45,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 05:53:45,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 05:53:45,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 05:53:45,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 05:53:45,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 05:53:45,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 05:53:45,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 05:53:45,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 05:53:45,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 05:53:45,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 05:53:45,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 05:53:45,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 05:53:45,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 05:53:45,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 05:53:45,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 05:53:45,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 05:53:45,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 05:53:45,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 05:53:45,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 05:53:45,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 05:53:45,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 05:53:45,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 05:53:45,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 05:53:45,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 05:53:45,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 05:53:45,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 05:53:45,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 05:53:45,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 05:53:45,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 05:53:45,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 05:53:45,413 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-12-28 05:53:45,448 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 05:53:45,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 05:53:45,449 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 05:53:45,449 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 05:53:45,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 05:53:45,450 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 05:53:45,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 05:53:45,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 05:53:45,452 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 05:53:45,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 05:53:45,453 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 05:53:45,453 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-28 05:53:45,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 05:53:45,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 05:53:45,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 05:53:45,454 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-28 05:53:45,454 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-28 05:53:45,454 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-28 05:53:45,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 05:53:45,454 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-28 05:53:45,455 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-28 05:53:45,455 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-28 05:53:45,455 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 05:53:45,455 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 05:53:45,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 05:53:45,456 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 05:53:45,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 05:53:45,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:53:45,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 05:53:45,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 05:53:45,457 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-28 05:53:45,457 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-28 05:53:45,457 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-28 05:53:45,457 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d16575d5ac382ad6271905f4ed68e07f193a6ebe13dc406ddf26185b500897e4 [2021-12-28 05:53:45,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 05:53:45,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 05:53:45,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 05:53:45,744 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 05:53:45,745 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 05:53:45,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2021-12-28 05:53:45,807 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcdac0451/9d7ac2aa06f64420a7b2bdebd8ee5a5b/FLAG56ab90a58 [2021-12-28 05:53:46,249 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 05:53:46,250 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test1-1.i [2021-12-28 05:53:46,269 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcdac0451/9d7ac2aa06f64420a7b2bdebd8ee5a5b/FLAG56ab90a58 [2021-12-28 05:53:46,775 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcdac0451/9d7ac2aa06f64420a7b2bdebd8ee5a5b [2021-12-28 05:53:46,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 05:53:46,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 05:53:46,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 05:53:46,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 05:53:46,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 05:53:46,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:53:46" (1/1) ... [2021-12-28 05:53:46,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d94a9fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:53:46, skipping insertion in model container [2021-12-28 05:53:46,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:53:46" (1/1) ... [2021-12-28 05:53:46,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 05:53:46,827 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 05:53:47,148 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:53:47,162 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-28 05:53:47,170 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 05:53:47,201 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:53:47,208 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 05:53:47,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:53:47,307 INFO L208 MainTranslator]: Completed translation [2021-12-28 05:53:47,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:53:47 WrapperNode [2021-12-28 05:53:47,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 05:53:47,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 05:53:47,309 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 05:53:47,309 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 05:53:47,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:53:47" (1/1) ... [2021-12-28 05:53:47,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:53:47" (1/1) ... [2021-12-28 05:53:47,364 INFO L137 Inliner]: procedures = 165, calls = 68, calls flagged for inlining = 21, calls inlined = 3, statements flattened = 14 [2021-12-28 05:53:47,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 05:53:47,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 05:53:47,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 05:53:47,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 05:53:47,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:53:47" (1/1) ... [2021-12-28 05:53:47,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:53:47" (1/1) ... [2021-12-28 05:53:47,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:53:47" (1/1) ... [2021-12-28 05:53:47,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:53:47" (1/1) ... [2021-12-28 05:53:47,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:53:47" (1/1) ... [2021-12-28 05:53:47,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:53:47" (1/1) ... [2021-12-28 05:53:47,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:53:47" (1/1) ... [2021-12-28 05:53:47,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 05:53:47,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 05:53:47,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 05:53:47,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 05:53:47,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:53:47" (1/1) ... [2021-12-28 05:53:47,412 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:53:47,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 05:53:47,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 05:53:47,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 05:53:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 05:53:47,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 05:53:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 05:53:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 05:53:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 05:53:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 05:53:47,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 05:53:47,603 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 05:53:47,604 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 05:53:47,709 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 05:53:47,714 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 05:53:47,715 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 05:53:47,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:53:47 BoogieIcfgContainer [2021-12-28 05:53:47,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 05:53:47,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 05:53:47,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 05:53:47,720 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 05:53:47,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 05:53:46" (1/3) ... [2021-12-28 05:53:47,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659ee077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:53:47, skipping insertion in model container [2021-12-28 05:53:47,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:53:47" (2/3) ... [2021-12-28 05:53:47,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@659ee077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:53:47, skipping insertion in model container [2021-12-28 05:53:47,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:53:47" (3/3) ... [2021-12-28 05:53:47,723 INFO L111 eAbstractionObserver]: Analyzing ICFG memleaks_test1-1.i [2021-12-28 05:53:47,727 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 05:53:47,728 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 05:53:47,772 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 05:53:47,779 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 05:53:47,779 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 05:53:47,797 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-28 05:53:47,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-28 05:53:47,805 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:53:47,806 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:53:47,806 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2021-12-28 05:53:47,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:53:47,812 INFO L85 PathProgramCache]: Analyzing trace with hash -601742994, now seen corresponding path program 1 times [2021-12-28 05:53:47,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-28 05:53:47,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [3568445] [2021-12-28 05:53:47,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:53:47,824 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-28 05:53:47,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-28 05:53:47,829 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-28 05:53:47,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-28 05:53:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 05:53:47,910 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 05:53:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 05:53:47,955 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-12-28 05:53:47,956 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-28 05:53:47,957 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2021-12-28 05:53:47,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-28 05:53:48,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-28 05:53:48,171 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-12-28 05:53:48,173 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-28 05:53:48,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 05:53:48 BoogieIcfgContainer [2021-12-28 05:53:48,188 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-28 05:53:48,189 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-28 05:53:48,191 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-28 05:53:48,191 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-28 05:53:48,192 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:53:47" (3/4) ... [2021-12-28 05:53:48,195 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-28 05:53:48,196 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-28 05:53:48,197 INFO L158 Benchmark]: Toolchain (without parser) took 1418.24ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 39.8MB in the beginning and 43.3MB in the end (delta: -3.5MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2021-12-28 05:53:48,202 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 46.1MB. Free memory was 28.6MB in the beginning and 28.5MB in the end (delta: 51.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 05:53:48,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.33ms. Allocated memory is still 56.6MB. Free memory was 39.5MB in the beginning and 33.9MB in the end (delta: 5.6MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2021-12-28 05:53:48,205 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.15ms. Allocated memory is still 56.6MB. Free memory was 33.7MB in the beginning and 31.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-28 05:53:48,205 INFO L158 Benchmark]: Boogie Preprocessor took 29.50ms. Allocated memory is still 56.6MB. Free memory was 31.7MB in the beginning and 30.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 05:53:48,206 INFO L158 Benchmark]: RCFGBuilder took 320.54ms. Allocated memory is still 56.6MB. Free memory was 30.6MB in the beginning and 32.1MB in the end (delta: -1.5MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-12-28 05:53:48,208 INFO L158 Benchmark]: TraceAbstraction took 470.57ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 31.7MB in the beginning and 43.6MB in the end (delta: -11.9MB). Peak memory consumption was 673.2kB. Max. memory is 16.1GB. [2021-12-28 05:53:48,209 INFO L158 Benchmark]: Witness Printer took 7.15ms. Allocated memory is still 69.2MB. Free memory was 43.6MB in the beginning and 43.3MB in the end (delta: 326.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 05:53:48,215 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 46.1MB. Free memory was 28.6MB in the beginning and 28.5MB in the end (delta: 51.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 529.33ms. Allocated memory is still 56.6MB. Free memory was 39.5MB in the beginning and 33.9MB in the end (delta: 5.6MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.15ms. Allocated memory is still 56.6MB. Free memory was 33.7MB in the beginning and 31.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.50ms. Allocated memory is still 56.6MB. Free memory was 31.7MB in the beginning and 30.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 320.54ms. Allocated memory is still 56.6MB. Free memory was 30.6MB in the beginning and 32.1MB in the end (delta: -1.5MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * TraceAbstraction took 470.57ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 31.7MB in the beginning and 43.6MB in the end (delta: -11.9MB). Peak memory consumption was 673.2kB. Max. memory is 16.1GB. * Witness Printer took 7.15ms. Allocated memory is still 69.2MB. Free memory was 43.6MB in the beginning and 43.3MB in the end (delta: 326.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 760]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 760. Possible FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={1:0}] [L761] CALL entry_point() [L758] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4, ldv_global_msg_list={1:0}] [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L758] RET, EXPR ldv_malloc(sizeof(int)) VAL [ldv_global_msg_list={1:0}, ldv_malloc(sizeof(int))={2:0}] [L758] int *p = (int *)ldv_malloc(sizeof(int)); [L761] RET entry_point() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-28 05:53:48,251 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample