./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/dll-circular-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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/forester-heap/dll-circular-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 647186f77af479db589ba9ca6b990f259feeb9ca .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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/forester-heap/dll-circular-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 647186f77af479db589ba9ca6b990f259feeb9ca ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 22:22:47,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:22:47,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:22:47,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:22:47,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:22:47,354 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:22:47,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:22:47,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:22:47,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:22:47,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:22:47,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:22:47,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:22:47,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:22:47,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:22:47,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:22:47,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:22:47,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:22:47,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:22:47,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:22:47,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:22:47,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:22:47,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:22:47,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:22:47,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:22:47,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:22:47,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:22:47,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:22:47,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:22:47,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:22:47,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:22:47,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:22:47,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:22:47,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:22:47,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:22:47,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:22:47,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:22:47,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:22:47,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:22:47,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:22:47,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:22:47,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:22:47,494 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:22:47,535 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:22:47,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:22:47,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:22:47,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:22:47,541 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:22:47,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:22:47,542 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:22:47,542 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:22:47,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:22:47,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:22:47,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:22:47,546 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:22:47,547 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:22:47,547 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:22:47,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:22:47,550 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:22:47,550 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:22:47,550 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:22:47,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:22:47,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:22:47,551 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:22:47,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:22:47,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:22:47,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:22:47,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:22:47,555 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:22:47,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:22:47,555 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 647186f77af479db589ba9ca6b990f259feeb9ca [2019-11-24 22:22:48,152 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:22:48,185 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:22:48,192 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:22:48,196 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:22:48,197 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:22:48,197 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-circular-2.i [2019-11-24 22:22:48,360 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4b87f6b7/78405d611933484abbdb56b60271b5b8/FLAG89e202d89 [2019-11-24 22:22:49,571 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:22:49,576 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-circular-2.i [2019-11-24 22:22:49,612 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4b87f6b7/78405d611933484abbdb56b60271b5b8/FLAG89e202d89 [2019-11-24 22:22:49,650 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4b87f6b7/78405d611933484abbdb56b60271b5b8 [2019-11-24 22:22:49,658 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:22:49,661 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:22:49,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:22:49,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:22:49,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:22:49,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:22:49" (1/1) ... [2019-11-24 22:22:49,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35365046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:49, skipping insertion in model container [2019-11-24 22:22:49,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:22:49" (1/1) ... [2019-11-24 22:22:49,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:22:49,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:22:50,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:22:50,736 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:22:50,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:22:50,976 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:22:50,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:50 WrapperNode [2019-11-24 22:22:50,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:22:50,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:22:50,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:22:50,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:22:51,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:50" (1/1) ... [2019-11-24 22:22:51,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:50" (1/1) ... [2019-11-24 22:22:51,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:50" (1/1) ... [2019-11-24 22:22:51,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:50" (1/1) ... [2019-11-24 22:22:51,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:50" (1/1) ... [2019-11-24 22:22:51,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:50" (1/1) ... [2019-11-24 22:22:51,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:50" (1/1) ... [2019-11-24 22:22:51,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:22:51,180 INFO L168 Benchmark]: Toolchain (without parser) took 1501.12 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:22:51,182 INFO L168 Benchmark]: CDTParser took 1.70 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:22:51,184 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1314.27 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-24 22:22:51,185 INFO L168 Benchmark]: Boogie Preprocessor took 178.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:22:51,193 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.70 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1314.27 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 178.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-32f2683 [2019-11-24 22:22:54,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:22:54,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:22:55,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:22:55,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:22:55,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:22:55,011 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:22:55,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:22:55,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:22:55,040 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:22:55,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:22:55,043 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:22:55,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:22:55,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:22:55,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:22:55,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:22:55,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:22:55,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:22:55,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:22:55,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:22:55,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:22:55,093 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:22:55,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:22:55,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:22:55,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:22:55,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:22:55,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:22:55,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:22:55,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:22:55,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:22:55,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:22:55,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:22:55,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:22:55,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:22:55,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:22:55,134 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:22:55,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:22:55,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:22:55,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:22:55,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:22:55,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:22:55,146 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:22:55,187 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:22:55,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:22:55,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:22:55,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:22:55,196 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:22:55,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:22:55,197 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:22:55,197 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:22:55,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:22:55,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:22:55,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:22:55,200 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:22:55,200 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:22:55,203 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:22:55,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:22:55,204 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:22:55,204 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:22:55,204 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:22:55,205 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:22:55,205 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:22:55,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:22:55,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:22:55,206 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:22:55,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:22:55,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:22:55,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:22:55,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:22:55,209 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:22:55,209 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:22:55,209 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:22:55,212 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> 647186f77af479db589ba9ca6b990f259feeb9ca [2019-11-24 22:22:55,800 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:22:55,829 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:22:55,836 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:22:55,839 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:22:55,844 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:22:55,846 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-circular-2.i [2019-11-24 22:22:55,990 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4eb8d5d4/f94023abbf02421eae3602e4cf62597d/FLAG5de34b679 [2019-11-24 22:22:57,169 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:22:57,175 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-circular-2.i [2019-11-24 22:22:57,198 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4eb8d5d4/f94023abbf02421eae3602e4cf62597d/FLAG5de34b679 [2019-11-24 22:22:57,681 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4eb8d5d4/f94023abbf02421eae3602e4cf62597d [2019-11-24 22:22:57,692 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:22:57,696 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:22:57,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:22:57,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:22:57,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:22:57,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:22:57" (1/1) ... [2019-11-24 22:22:57,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13413829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:57, skipping insertion in model container [2019-11-24 22:22:57,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:22:57" (1/1) ... [2019-11-24 22:22:57,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:22:57,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:22:58,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:22:58,758 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:22:58,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:22:58,963 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:22:58,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:58 WrapperNode [2019-11-24 22:22:58,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:22:58,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:22:58,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:22:58,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:22:58,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:58" (1/1) ... [2019-11-24 22:22:58,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:58" (1/1) ... [2019-11-24 22:22:59,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:58" (1/1) ... [2019-11-24 22:22:59,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:58" (1/1) ... [2019-11-24 22:22:59,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:58" (1/1) ... [2019-11-24 22:22:59,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:58" (1/1) ... [2019-11-24 22:22:59,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:22:58" (1/1) ... [2019-11-24 22:22:59,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:22:59,147 INFO L168 Benchmark]: Toolchain (without parser) took 1444.90 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 979.8 MB in the end (delta: -13.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:22:59,148 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:22:59,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1262.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 979.8 MB in the end (delta: -13.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-24 22:22:59,160 INFO L168 Benchmark]: Boogie Preprocessor took 173.97 ms. Allocated memory is still 1.0 GB. Free memory is still 979.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:22:59,176 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1262.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 979.8 MB in the end (delta: -13.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 173.97 ms. Allocated memory is still 1.0 GB. Free memory is still 979.8 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...