./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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-rb-sentinel-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9633ec6dc7e01a7231c1be5ed310faef61ba6b0 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-rb-sentinel-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b9633ec6dc7e01a7231c1be5ed310faef61ba6b0 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 00:27:16,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:16,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:16,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:16,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:16,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:16,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:16,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:16,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:16,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:16,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:16,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:16,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:16,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:16,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:16,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:16,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:16,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:16,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:16,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:16,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:16,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:16,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:16,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:16,256 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:16,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:16,257 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:16,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:16,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:16,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:16,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:16,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:16,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:16,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:16,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:16,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:16,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:16,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:16,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:16,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:16,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:16,285 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:27:16,341 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:16,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:16,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:16,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:16,347 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:16,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:16,353 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:16,354 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:16,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:16,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:16,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:16,356 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:16,356 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:16,357 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:16,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:16,359 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:16,359 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:16,360 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:16,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:16,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:16,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:16,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:16,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:16,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:16,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:16,366 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:27:16,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:27:16,366 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9633ec6dc7e01a7231c1be5ed310faef61ba6b0 [2019-11-26 00:27:17,009 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:17,038 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:17,046 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:17,048 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:17,051 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:17,052 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2019-11-26 00:27:17,218 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd1d2bb63/0462d8113ee24924aacf99bde2e3bc38/FLAG419a3a3d2 [2019-11-26 00:27:18,279 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:18,282 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2019-11-26 00:27:18,306 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd1d2bb63/0462d8113ee24924aacf99bde2e3bc38/FLAG419a3a3d2 [2019-11-26 00:27:18,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd1d2bb63/0462d8113ee24924aacf99bde2e3bc38 [2019-11-26 00:27:18,338 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:18,340 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:18,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:18,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:18,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:18,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:18" (1/1) ... [2019-11-26 00:27:18,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3699732f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:18, skipping insertion in model container [2019-11-26 00:27:18,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:18" (1/1) ... [2019-11-26 00:27:18,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:18,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:19,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:19,346 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:27:19,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:19,592 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:27:19,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:19 WrapperNode [2019-11-26 00:27:19,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:19,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:27:19,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:27:19,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:27:19,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:19" (1/1) ... [2019-11-26 00:27:19,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:19" (1/1) ... [2019-11-26 00:27:19,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:19" (1/1) ... [2019-11-26 00:27:19,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:19" (1/1) ... [2019-11-26 00:27:19,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:19" (1/1) ... [2019-11-26 00:27:19,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:19" (1/1) ... [2019-11-26 00:27:19,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:19" (1/1) ... [2019-11-26 00:27:19,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:27:19,803 INFO L168 Benchmark]: Toolchain (without parser) took 1450.15 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 979.9 MB in the end (delta: -18.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:19,810 INFO L168 Benchmark]: CDTParser took 1.40 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. [2019-11-26 00:27:19,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1250.26 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 979.9 MB in the end (delta: -18.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:19,820 INFO L168 Benchmark]: Boogie Preprocessor took 191.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:19,828 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.40 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 1250.26 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 979.9 MB in the end (delta: -18.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 191.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 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 00:27:23,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:27:23,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:27:23,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:27:23,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:27:23,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:27:23,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:27:23,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:27:23,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:27:23,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:27:23,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:27:23,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:27:23,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:27:23,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:27:23,650 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:27:23,652 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:27:23,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:27:23,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:27:23,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:27:23,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:27:23,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:27:23,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:27:23,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:27:23,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:27:23,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:27:23,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:27:23,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:27:23,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:27:23,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:27:23,709 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:27:23,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:27:23,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:27:23,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:27:23,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:27:23,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:27:23,720 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:27:23,721 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:27:23,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:27:23,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:27:23,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:27:23,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:27:23,732 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:27:23,770 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:27:23,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:27:23,778 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:27:23,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:27:23,779 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:27:23,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:27:23,780 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:27:23,782 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:27:23,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:27:23,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:27:23,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:27:23,784 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:27:23,784 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:27:23,787 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:27:23,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:27:23,788 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:27:23,788 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:27:23,788 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:27:23,789 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:27:23,789 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:27:23,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:27:23,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:27:23,792 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:27:23,792 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:27:23,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:27:23,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:27:23,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:27:23,793 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:27:23,794 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:27:23,794 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:27:23,796 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9633ec6dc7e01a7231c1be5ed310faef61ba6b0 [2019-11-26 00:27:24,294 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:27:24,329 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:27:24,335 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:27:24,342 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:27:24,343 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:27:24,345 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2019-11-26 00:27:24,502 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7257d9b68/c07420f954d545d1be80cf38bcbcf5d6/FLAG442319799 [2019-11-26 00:27:25,653 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:27:25,655 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2019-11-26 00:27:25,689 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7257d9b68/c07420f954d545d1be80cf38bcbcf5d6/FLAG442319799 [2019-11-26 00:27:26,160 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7257d9b68/c07420f954d545d1be80cf38bcbcf5d6 [2019-11-26 00:27:26,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:27:26,174 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:27:26,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:26,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:27:26,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:27:26,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:26" (1/1) ... [2019-11-26 00:27:26,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@611e8f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:26, skipping insertion in model container [2019-11-26 00:27:26,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:27:26" (1/1) ... [2019-11-26 00:27:26,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:27:26,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:27:27,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:27,282 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:27:27,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:27:27,557 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:27:27,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:27 WrapperNode [2019-11-26 00:27:27,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:27:27,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:27:27,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:27:27,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:27:27,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:27" (1/1) ... [2019-11-26 00:27:27,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:27" (1/1) ... [2019-11-26 00:27:27,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:27" (1/1) ... [2019-11-26 00:27:27,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:27" (1/1) ... [2019-11-26 00:27:27,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:27" (1/1) ... [2019-11-26 00:27:27,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:27" (1/1) ... [2019-11-26 00:27:27,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:27:27" (1/1) ... [2019-11-26 00:27:27,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:27:27,812 INFO L168 Benchmark]: Toolchain (without parser) took 1638.62 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 974.1 MB in the end (delta: -13.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:27:27,813 INFO L168 Benchmark]: CDTParser took 2.97 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 00:27:27,815 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1384.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 979.8 MB in the end (delta: -19.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 00:27:27,829 INFO L168 Benchmark]: Boogie Preprocessor took 243.81 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. [2019-11-26 00:27:27,840 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.97 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 1384.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 979.8 MB in the end (delta: -19.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 243.81 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...