./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/forester-heap/dll-circular-1.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-circular-1.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 95b20088216028e3d05e3cb41d4ed5c20af6a751 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-1.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 95b20088216028e3d05e3cb41d4ed5c20af6a751 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:46:58,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:46:58,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:46:58,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:46:58,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:46:58,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:46:58,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:46:58,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:46:58,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:46:58,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:46:58,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:46:58,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:46:58,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:46:58,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:46:58,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:46:58,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:46:58,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:46:58,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:46:58,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:46:58,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:46:58,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:46:58,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:46:58,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:46:58,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:46:58,997 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:46:58,998 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:46:58,998 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:46:59,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:46:59,003 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:46:59,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:46:59,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:46:59,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:46:59,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:46:59,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:46:59,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:46:59,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:46:59,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:46:59,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:46:59,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:46:59,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:46:59,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:46:59,028 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-11-27 17:46:59,067 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:46:59,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:46:59,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:46:59,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:46:59,076 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:46:59,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:46:59,078 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:46:59,078 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:46:59,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:46:59,079 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:46:59,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:46:59,082 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:46:59,083 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:46:59,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:46:59,084 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:46:59,084 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:46:59,086 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:46:59,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:46:59,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:46:59,087 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:46:59,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:46:59,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:46:59,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:46:59,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:46:59,090 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:46:59,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:46:59,092 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 -> 95b20088216028e3d05e3cb41d4ed5c20af6a751 [2019-11-27 17:46:59,744 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:46:59,774 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:46:59,779 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:46:59,788 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:46:59,790 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:46:59,791 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-circular-1.i [2019-11-27 17:46:59,951 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cefeca116/0eca1fb557f742ada48b6e05144b4681/FLAGa64697454 [2019-11-27 17:47:01,190 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:47:01,191 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-circular-1.i [2019-11-27 17:47:01,229 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cefeca116/0eca1fb557f742ada48b6e05144b4681/FLAGa64697454 [2019-11-27 17:47:01,269 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cefeca116/0eca1fb557f742ada48b6e05144b4681 [2019-11-27 17:47:01,278 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:47:01,283 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:47:01,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:01,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:47:01,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:47:01,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:01" (1/1) ... [2019-11-27 17:47:01,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2952a928 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 17:47:01,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:01" (1/1) ... [2019-11-27 17:47:01,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:47:01,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:47:02,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:02,363 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:47:02,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:02,615 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:47:02,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:02 WrapperNode [2019-11-27 17:47:02,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:02,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:47:02,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:47:02,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:47:02,650 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 17:47:02,650 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 17:47:02,711 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 17:47:02,712 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 17:47:02,769 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 17:47:02,786 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 17:47:02,795 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 17:47:02,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:47:02,842 INFO L168 Benchmark]: Toolchain (without parser) took 1536.80 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). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:47:02,843 INFO L168 Benchmark]: CDTParser took 1.63 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 17:47:02,848 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1331.26 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 17:47:02,850 INFO L168 Benchmark]: Boogie Preprocessor took 197.91 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:47:02,856 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.63 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 1331.26 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 197.91 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 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 17:47:06,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:47:06,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:47:06,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:47:06,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:47:06,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:47:06,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:47:06,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:47:06,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:47:06,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:47:06,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:47:06,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:47:06,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:47:06,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:47:06,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:47:06,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:47:06,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:47:06,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:47:06,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:47:06,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:47:06,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:47:06,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:47:06,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:47:06,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:47:06,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:47:06,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:47:06,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:47:06,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:47:06,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:47:06,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:47:06,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:47:06,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:47:06,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:47:06,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:47:06,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:47:06,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:47:06,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:47:06,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:47:06,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:47:06,824 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:47:06,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:47:06,827 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2019-11-27 17:47:06,869 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:47:06,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:47:06,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:47:06,876 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:47:06,876 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:47:06,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:47:06,878 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:47:06,878 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:47:06,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:47:06,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:47:06,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:47:06,884 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:47:06,884 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:47:06,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:47:06,885 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:47:06,885 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:47:06,886 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:47:06,886 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:47:06,889 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:47:06,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:47:06,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:47:06,890 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:47:06,890 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:47:06,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:47:06,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:47:06,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:47:06,894 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:47:06,894 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:47:06,894 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:47:06,895 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 -> 95b20088216028e3d05e3cb41d4ed5c20af6a751 [2019-11-27 17:47:07,495 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:47:07,528 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:47:07,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:47:07,538 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:47:07,541 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:47:07,543 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-circular-1.i [2019-11-27 17:47:07,699 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/660520ab7/97aab7c146bd40b39b511d6cee6fa35a/FLAGb00cdb9b0 [2019-11-27 17:47:08,904 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:47:08,909 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-circular-1.i [2019-11-27 17:47:08,943 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/660520ab7/97aab7c146bd40b39b511d6cee6fa35a/FLAGb00cdb9b0 [2019-11-27 17:47:08,981 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/660520ab7/97aab7c146bd40b39b511d6cee6fa35a [2019-11-27 17:47:08,986 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:47:08,988 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:47:09,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:09,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:47:09,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:47:09,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:08" (1/1) ... [2019-11-27 17:47:09,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2952a928 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 17:47:09,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:08" (1/1) ... [2019-11-27 17:47:09,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:47:09,152 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:47:10,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:10,157 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:47:10,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:10,364 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:47:10,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:10 WrapperNode [2019-11-27 17:47:10,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:10,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:47:10,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:47:10,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:47:10,387 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 17:47:10,390 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 17:47:10,440 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 17:47:10,441 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 17:47:10,491 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 17:47:10,521 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 17:47:10,532 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 17:47:10,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:47:10,557 INFO L168 Benchmark]: Toolchain (without parser) took 1564.67 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 972.7 MB in the end (delta: -11.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:47:10,560 INFO L168 Benchmark]: CDTParser took 3.55 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 17:47:10,569 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1364.78 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 978.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:10,572 INFO L168 Benchmark]: Boogie Preprocessor took 181.95 ms. Allocated memory is still 1.0 GB. Free memory was 978.4 MB in the beginning and 972.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:10,579 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.55 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 1364.78 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 978.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 181.95 ms. Allocated memory is still 1.0 GB. Free memory was 978.4 MB in the beginning and 972.7 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...