./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/forester-heap/dll-optional-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 509859d6 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-optional-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8409443a6b8db5c0500e3e8aa54c33463c524ec9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-optional-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8409443a6b8db5c0500e3e8aa54c33463c524ec9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:46:58,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:46:58,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:46:58,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:46:58,959 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:46:58,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:46:58,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:46:58,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:46:58,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:46:58,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:46:58,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:46:59,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:46:59,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:46:59,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:46:59,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:46:59,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:46:59,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:46:59,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:46:59,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:46:59,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:46:59,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:46:59,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:46:59,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:46:59,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:46:59,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:46:59,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:46:59,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:46:59,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:46:59,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:46:59,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:46:59,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:46:59,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:46:59,082 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:46:59,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:46:59,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:46:59,087 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:46:59,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:46:59,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:46:59,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:46:59,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:46:59,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:46:59,098 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-11-27 17:46:59,135 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:46:59,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:46:59,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:46:59,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:46:59,145 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:46:59,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:46:59,146 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:46:59,146 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:46:59,146 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:46:59,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:46:59,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:46:59,148 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:46:59,151 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:46:59,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:46:59,152 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:46:59,152 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:46:59,152 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:46:59,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:46:59,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:46:59,153 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:46:59,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:46:59,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:46:59,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:46:59,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:46:59,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:46:59,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:46:59,158 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-memcleanup) ) 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 -> 8409443a6b8db5c0500e3e8aa54c33463c524ec9 [2019-11-27 17:46:59,779 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:46:59,810 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:46:59,817 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:46:59,822 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:46:59,823 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:46:59,824 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-optional-2.i [2019-11-27 17:46:59,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d2e5696c/90de0dea31be4797909127cddd8361eb/FLAG32e4e884c [2019-11-27 17:47:01,133 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:47:01,138 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-optional-2.i [2019-11-27 17:47:01,171 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d2e5696c/90de0dea31be4797909127cddd8361eb/FLAG32e4e884c [2019-11-27 17:47:01,258 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d2e5696c/90de0dea31be4797909127cddd8361eb [2019-11-27 17:47:01,262 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:47:01,267 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:47:01,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:01,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:47:01,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:47:01,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:01" (1/1) ... [2019-11-27 17:47:01,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eb9fd83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:01, skipping insertion in model container [2019-11-27 17:47:01,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:01" (1/1) ... [2019-11-27 17:47:01,321 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:47:01,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:47:02,333 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:02,356 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:47:02,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:02,603 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:47:02,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:02 WrapperNode [2019-11-27 17:47:02,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:02,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:47:02,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:47:02,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:47:02,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:02" (1/1) ... [2019-11-27 17:47:02,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:02" (1/1) ... [2019-11-27 17:47:02,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:02" (1/1) ... [2019-11-27 17:47:02,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:02" (1/1) ... [2019-11-27 17:47:02,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:02" (1/1) ... [2019-11-27 17:47:02,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:02" (1/1) ... [2019-11-27 17:47:02,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:02" (1/1) ... [2019-11-27 17:47:02,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:47:02,806 INFO L168 Benchmark]: Toolchain (without parser) took 1531.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 978.4 MB in the end (delta: -12.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:47:02,813 INFO L168 Benchmark]: CDTParser took 2.14 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. [2019-11-27 17:47:02,827 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1332.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 978.4 MB in the end (delta: -12.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:02,828 INFO L168 Benchmark]: Boogie Preprocessor took 186.31 ms. Allocated memory is still 1.0 GB. Free memory is still 978.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:47:02,835 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.14 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 1332.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 978.4 MB in the end (delta: -12.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 186.31 ms. Allocated memory is still 1.0 GB. Free memory is still 978.4 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 0.1.24-509859d [2019-11-27 17:47:06,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:47:06,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:47:06,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:47:06,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:47:06,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:47:06,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:47:06,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:47:06,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:47:06,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:47:06,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:47:06,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:47:06,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:47:06,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:47:06,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:47:06,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:47:06,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:47:06,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:47:06,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:47:06,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:47:06,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:47:06,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:47:06,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:47:06,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:47:06,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:47:06,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:47:06,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:47:06,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:47:06,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:47:06,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:47:06,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:47:06,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:47:06,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:47:06,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:47:06,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:47:06,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:47:06,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:47:06,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:47:06,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:47:06,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:47:06,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:47:06,794 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2019-11-27 17:47:06,836 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:47:06,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:47:06,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:47:06,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:47:06,843 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:47:06,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:47:06,845 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:47:06,846 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:47:06,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:47:06,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:47:06,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:47:06,850 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:47:06,850 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:47:06,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:47:06,853 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:47:06,853 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:47:06,854 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:47:06,854 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:47:06,854 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:47:06,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:47:06,856 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:47:06,856 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:47:06,856 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:47:06,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:47:06,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:47:06,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:47:06,861 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:47:06,861 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:47:06,862 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:47:06,862 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-memcleanup) ) 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 -> 8409443a6b8db5c0500e3e8aa54c33463c524ec9 [2019-11-27 17:47:07,521 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:47:07,555 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:47:07,562 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:47:07,567 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:47:07,568 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:47:07,569 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-optional-2.i [2019-11-27 17:47:07,730 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94f179e14/555aeef1ca374fdea5640c10650d8d7a/FLAGa7686f4a0 [2019-11-27 17:47:08,892 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:47:08,894 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-optional-2.i [2019-11-27 17:47:08,933 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94f179e14/555aeef1ca374fdea5640c10650d8d7a/FLAGa7686f4a0 [2019-11-27 17:47:08,972 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94f179e14/555aeef1ca374fdea5640c10650d8d7a [2019-11-27 17:47:08,979 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:47:08,985 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:47:08,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:08,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:47:08,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:47:08,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:08" (1/1) ... [2019-11-27 17:47:09,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b5eb229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:09, skipping insertion in model container [2019-11-27 17:47:09,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:08" (1/1) ... [2019-11-27 17:47:09,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:47:09,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:47:10,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:10,071 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:47:10,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:10,325 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:47:10,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:10 WrapperNode [2019-11-27 17:47:10,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:10,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:47:10,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:47:10,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:47:10,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:10" (1/1) ... [2019-11-27 17:47:10,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:10" (1/1) ... [2019-11-27 17:47:10,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:10" (1/1) ... [2019-11-27 17:47:10,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:10" (1/1) ... [2019-11-27 17:47:10,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:10" (1/1) ... [2019-11-27 17:47:10,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:10" (1/1) ... [2019-11-27 17:47:10,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:10" (1/1) ... [2019-11-27 17:47:10,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:47:10,537 INFO L168 Benchmark]: Toolchain (without parser) took 1544.02 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 972.8 MB in the end (delta: -11.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:47:10,539 INFO L168 Benchmark]: CDTParser took 2.10 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. [2019-11-27 17:47:10,543 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1340.80 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 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:10,544 INFO L168 Benchmark]: Boogie Preprocessor took 193.13 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:10,562 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.10 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 1340.80 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 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 193.13 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...