./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/forester-heap/dll-queue-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-queue-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 39996758d4a4793ed5619e696b4574ccdffaa666 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-queue-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 39996758d4a4793ed5619e696b4574ccdffaa666 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:46:59,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:46:59,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:46:59,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:46:59,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:46:59,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:46:59,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:46:59,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:46:59,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:46:59,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:46:59,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:46:59,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:46:59,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:46:59,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:46:59,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:46:59,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:46:59,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:46:59,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:46:59,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:46:59,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:46:59,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:46:59,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:46:59,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:46:59,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:46:59,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:46:59,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:46:59,274 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:46:59,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:46:59,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:46:59,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:46:59,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:46:59,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:46:59,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:46:59,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:46:59,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:46:59,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:46:59,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:46:59,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:46:59,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:46:59,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:46:59,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:46:59,302 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-11-27 17:46:59,342 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:46:59,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:46:59,350 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:46:59,350 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:46:59,350 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:46:59,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:46:59,351 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:46:59,351 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:46:59,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:46:59,352 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:46:59,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:46:59,355 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:46:59,355 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:46:59,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:46:59,356 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:46:59,358 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:46:59,358 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:46:59,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:46:59,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:46:59,359 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:46:59,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:46:59,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:46:59,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:46:59,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:46:59,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:46:59,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:46:59,363 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 -> 39996758d4a4793ed5619e696b4574ccdffaa666 [2019-11-27 17:46:59,860 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:46:59,888 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:46:59,892 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:46:59,898 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:46:59,899 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:46:59,902 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-queue-2.i [2019-11-27 17:47:00,054 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59f62b67d/8feb7505c7ea4e2ab8dd5701a28f6e5f/FLAG05091d255 [2019-11-27 17:47:01,235 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:47:01,237 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-queue-2.i [2019-11-27 17:47:01,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59f62b67d/8feb7505c7ea4e2ab8dd5701a28f6e5f/FLAG05091d255 [2019-11-27 17:47:01,754 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59f62b67d/8feb7505c7ea4e2ab8dd5701a28f6e5f [2019-11-27 17:47:01,759 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:47:01,763 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:47:01,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:01,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:47:01,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:47:01,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:01" (1/1) ... [2019-11-27 17:47:01,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bc4890b 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 17:47:01,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:01" (1/1) ... [2019-11-27 17:47:01,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:47:01,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:47:02,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:02,858 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:47:03,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:03,113 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:47:03,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:03 WrapperNode [2019-11-27 17:47:03,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:03,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:47:03,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:47:03,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:47:03,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:03" (1/1) ... [2019-11-27 17:47:03,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:03" (1/1) ... [2019-11-27 17:47:03,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:03" (1/1) ... [2019-11-27 17:47:03,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:03" (1/1) ... [2019-11-27 17:47:03,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:03" (1/1) ... [2019-11-27 17:47:03,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:03" (1/1) ... [2019-11-27 17:47:03,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:03" (1/1) ... [2019-11-27 17:47:03,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:47:03,344 INFO L168 Benchmark]: Toolchain (without parser) took 1569.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 979.7 MB in the end (delta: -19.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:47:03,350 INFO L168 Benchmark]: CDTParser took 0.40 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 17:47:03,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1347.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 979.7 MB in the end (delta: -19.5 MB). Peak memory consumption was 22.1 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:03,362 INFO L168 Benchmark]: Boogie Preprocessor took 208.95 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. [2019-11-27 17:47:03,375 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 1347.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 979.7 MB in the end (delta: -19.5 MB). Peak memory consumption was 22.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 208.95 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:47:07,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:47:07,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:47:07,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:47:07,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:47:07,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:47:07,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:47:07,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:47:07,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:47:07,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:47:07,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:47:07,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:47:07,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:47:07,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:47:07,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:47:07,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:47:07,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:47:07,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:47:07,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:47:07,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:47:07,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:47:07,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:47:07,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:47:07,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:47:07,353 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:47:07,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:47:07,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:47:07,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:47:07,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:47:07,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:47:07,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:47:07,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:47:07,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:47:07,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:47:07,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:47:07,374 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:47:07,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:47:07,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:47:07,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:47:07,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:47:07,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:47:07,385 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2019-11-27 17:47:07,425 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:47:07,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:47:07,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:47:07,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:47:07,432 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:47:07,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:47:07,435 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:47:07,435 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:47:07,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:47:07,436 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:47:07,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:47:07,438 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:47:07,438 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:47:07,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:47:07,439 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:47:07,440 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:47:07,440 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:47:07,443 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:47:07,443 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:47:07,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:47:07,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:47:07,444 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:47:07,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:47:07,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:47:07,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:47:07,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:47:07,448 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:47:07,448 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:47:07,449 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:47:07,449 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 -> 39996758d4a4793ed5619e696b4574ccdffaa666 [2019-11-27 17:47:08,025 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:47:08,055 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:47:08,062 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:47:08,067 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:47:08,068 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:47:08,069 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-queue-2.i [2019-11-27 17:47:08,230 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/672a629f7/349d198ac05e40bc9f70e711943ceb3c/FLAG0925b4fef [2019-11-27 17:47:09,416 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:47:09,422 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-queue-2.i [2019-11-27 17:47:09,458 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/672a629f7/349d198ac05e40bc9f70e711943ceb3c/FLAG0925b4fef [2019-11-27 17:47:09,928 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/672a629f7/349d198ac05e40bc9f70e711943ceb3c [2019-11-27 17:47:09,933 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:47:09,935 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:47:09,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:09,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:47:09,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:47:09,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:09" (1/1) ... [2019-11-27 17:47:09,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bc4890b 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 17:47:09,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:09" (1/1) ... [2019-11-27 17:47:09,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:47:10,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:47:11,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:11,057 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:47:11,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:47:11,308 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:47:11,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:11 WrapperNode [2019-11-27 17:47:11,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:11,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:47:11,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:47:11,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:47:11,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:11" (1/1) ... [2019-11-27 17:47:11,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:11" (1/1) ... [2019-11-27 17:47:11,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:11" (1/1) ... [2019-11-27 17:47:11,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:11" (1/1) ... [2019-11-27 17:47:11,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:11" (1/1) ... [2019-11-27 17:47:11,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:11" (1/1) ... [2019-11-27 17:47:11,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:11" (1/1) ... [2019-11-27 17:47:11,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:47:11,516 INFO L168 Benchmark]: Toolchain (without parser) took 1579.13 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 974.1 MB in the end (delta: -8.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:47:11,530 INFO L168 Benchmark]: CDTParser took 2.46 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 17:47:11,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1360.84 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 979.8 MB in the end (delta: -13.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:11,535 INFO L168 Benchmark]: Boogie Preprocessor took 198.17 ms. Allocated memory is still 1.0 GB. Free memory was 979.8 MB in the beginning and 974.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:11,538 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.46 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 1360.84 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 979.8 MB in the end (delta: -13.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 198.17 ms. Allocated memory is still 1.0 GB. Free memory was 979.8 MB in the beginning and 974.1 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...