./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 65d6cd23 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 0.1.24-65d6cd2 [2019-11-26 00:29:10,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:29:10,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:29:10,492 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:29:10,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:29:10,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:29:10,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:29:10,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:29:10,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:29:10,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:29:10,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:29:10,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:29:10,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:29:10,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:29:10,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:29:10,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:29:10,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:29:10,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:29:10,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:29:10,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:29:10,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:29:10,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:29:10,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:29:10,603 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:29:10,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:29:10,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:29:10,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:29:10,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:29:10,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:29:10,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:29:10,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:29:10,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:29:10,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:29:10,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:29:10,630 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:29:10,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:29:10,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:29:10,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:29:10,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:29:10,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:29:10,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:29:10,642 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-11-26 00:29:10,682 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:29:10,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:29:10,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:29:10,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:29:10,692 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:29:10,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:29:10,693 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:29:10,693 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:29:10,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:29:10,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:29:10,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:29:10,698 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:29:10,698 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:29:10,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:29:10,699 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:29:10,701 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:29:10,701 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:29:10,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:29:10,702 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:29:10,702 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:29:10,702 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:29:10,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:29:10,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:29:10,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:29:10,707 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:29:10,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:29:10,707 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 [2019-11-26 00:29:11,307 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:29:11,339 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:29:11,346 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:29:11,350 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:29:11,352 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:29:11,353 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-circular-1.i [2019-11-26 00:29:11,511 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bdd61445/27db2611375540f0b3a85a5aad509eb5/FLAG4b87a9069 [2019-11-26 00:29:12,725 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:29:12,728 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-circular-1.i [2019-11-26 00:29:12,761 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bdd61445/27db2611375540f0b3a85a5aad509eb5/FLAG4b87a9069 [2019-11-26 00:29:12,800 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bdd61445/27db2611375540f0b3a85a5aad509eb5 [2019-11-26 00:29:12,811 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:29:12,817 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:29:12,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:29:12,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:29:12,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:29:12,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:12" (1/1) ... [2019-11-26 00:29:12,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fc7227c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:12, skipping insertion in model container [2019-11-26 00:29:12,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:12" (1/1) ... [2019-11-26 00:29:12,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:29:12,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:29:13,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:29:13,903 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:29:14,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:29:14,157 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:29:14,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:14 WrapperNode [2019-11-26 00:29:14,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:29:14,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:29:14,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:29:14,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:29:14,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:14" (1/1) ... [2019-11-26 00:29:14,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:14" (1/1) ... [2019-11-26 00:29:14,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:14" (1/1) ... [2019-11-26 00:29:14,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:14" (1/1) ... [2019-11-26 00:29:14,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:14" (1/1) ... [2019-11-26 00:29:14,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:14" (1/1) ... [2019-11-26 00:29:14,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:14" (1/1) ... [2019-11-26 00:29:14,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:29:14,359 INFO L168 Benchmark]: Toolchain (without parser) took 1536.07 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 978.3 MB in the end (delta: -16.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:29:14,372 INFO L168 Benchmark]: CDTParser took 1.75 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. [2019-11-26 00:29:14,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1342.68 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 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:29:14,381 INFO L168 Benchmark]: Boogie Preprocessor took 183.28 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:29:14,385 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.75 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 1342.68 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 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 183.28 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 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 0.1.24-65d6cd2 [2019-11-26 00:29:18,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:29:18,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:29:18,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:29:18,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:29:18,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:29:18,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:29:18,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:29:18,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:29:18,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:29:18,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:29:18,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:29:18,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:29:18,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:29:18,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:29:18,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:29:18,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:29:18,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:29:18,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:29:18,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:29:18,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:29:18,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:29:18,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:29:18,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:29:18,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:29:18,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:29:18,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:29:18,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:29:18,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:29:18,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:29:18,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:29:18,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:29:18,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:29:18,384 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:29:18,387 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:29:18,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:29:18,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:29:18,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:29:18,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:29:18,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:29:18,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:29:18,401 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2019-11-26 00:29:18,440 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:29:18,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:29:18,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:29:18,448 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:29:18,448 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:29:18,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:29:18,451 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:29:18,451 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:29:18,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:29:18,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:29:18,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:29:18,454 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:29:18,454 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:29:18,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:29:18,455 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:29:18,458 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:29:18,458 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:29:18,458 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:29:18,459 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:29:18,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:29:18,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:29:18,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:29:18,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:29:18,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:29:18,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:29:18,463 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:29:18,464 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:29:18,464 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:29:18,464 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:29:18,464 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 [2019-11-26 00:29:19,006 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:29:19,035 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:29:19,041 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:29:19,045 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:29:19,047 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:29:19,048 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-circular-1.i [2019-11-26 00:29:19,196 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/223d5cd30/09e7fb43f51347329682b1560d3b38ff/FLAG2f9ce4997 [2019-11-26 00:29:20,371 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:29:20,372 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-circular-1.i [2019-11-26 00:29:20,407 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/223d5cd30/09e7fb43f51347329682b1560d3b38ff/FLAG2f9ce4997 [2019-11-26 00:29:20,873 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/223d5cd30/09e7fb43f51347329682b1560d3b38ff [2019-11-26 00:29:20,884 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:29:20,888 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:29:20,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:29:20,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:29:20,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:29:20,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:20" (1/1) ... [2019-11-26 00:29:20,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70d85277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:20, skipping insertion in model container [2019-11-26 00:29:20,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:20" (1/1) ... [2019-11-26 00:29:20,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:29:21,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:29:21,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:29:21,983 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:29:22,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:29:22,220 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:29:22,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:22 WrapperNode [2019-11-26 00:29:22,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:29:22,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:29:22,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:29:22,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:29:22,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:22" (1/1) ... [2019-11-26 00:29:22,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:22" (1/1) ... [2019-11-26 00:29:22,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:22" (1/1) ... [2019-11-26 00:29:22,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:22" (1/1) ... [2019-11-26 00:29:22,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:22" (1/1) ... [2019-11-26 00:29:22,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:22" (1/1) ... [2019-11-26 00:29:22,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:22" (1/1) ... [2019-11-26 00:29:22,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:29:22,418 INFO L168 Benchmark]: Toolchain (without parser) took 1527.49 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 979.7 MB in the end (delta: -18.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:29:22,419 INFO L168 Benchmark]: CDTParser took 2.09 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. [2019-11-26 00:29:22,429 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1330.75 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 979.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:29:22,430 INFO L168 Benchmark]: Boogie Preprocessor took 186.28 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:29:22,448 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.09 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 1330.75 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 979.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 186.28 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 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...