./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/forester-heap/sll-optional-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version da95e156 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/sll-optional-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 31978db89ae521f3f75fa608730a1f5cd4ee8ad4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/sll-optional-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 31978db89ae521f3f75fa608730a1f5cd4ee8ad4 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 11:22:40,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:22:40,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:22:40,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:22:40,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:22:40,480 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:22:40,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:22:40,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:22:40,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:22:40,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:22:40,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:22:40,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:22:40,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:22:40,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:22:40,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:22:40,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:22:40,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:22:40,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:22:40,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:22:40,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:22:40,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:22:40,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:22:40,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:22:40,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:22:40,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:22:40,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:22:40,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:22:40,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:22:40,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:22:40,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:22:40,607 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:22:40,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:22:40,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:22:40,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:22:40,616 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:22:40,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:22:40,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:22:40,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:22:40,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:22:40,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:22:40,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:22:40,627 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:22:40,666 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:22:40,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:22:40,672 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:22:40,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:22:40,674 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:22:40,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:22:40,677 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:22:40,677 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:22:40,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:22:40,678 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:22:40,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:22:40,679 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:22:40,683 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:22:40,683 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:22:40,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:22:40,684 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:22:40,684 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:22:40,685 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:22:40,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:22:40,685 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:22:40,686 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:22:40,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:22:40,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:22:40,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:22:40,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:22:40,688 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:22:40,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:22:40,689 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 -> 31978db89ae521f3f75fa608730a1f5cd4ee8ad4 [2019-11-27 11:22:41,229 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:22:41,258 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:22:41,267 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:22:41,269 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:22:41,270 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:22:41,273 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-optional-1.i [2019-11-27 11:22:41,426 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1a7abd17/c9e932aee0cf4399a091fc05b96031c7/FLAG76eebc8da [2019-11-27 11:22:42,626 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:22:42,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-optional-1.i [2019-11-27 11:22:42,674 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1a7abd17/c9e932aee0cf4399a091fc05b96031c7/FLAG76eebc8da [2019-11-27 11:22:43,086 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1a7abd17/c9e932aee0cf4399a091fc05b96031c7 [2019-11-27 11:22:43,101 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:22:43,105 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:22:43,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:43,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:22:43,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:22:43,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:43" (1/1) ... [2019-11-27 11:22:43,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@453b4ac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:43, skipping insertion in model container [2019-11-27 11:22:43,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:43" (1/1) ... [2019-11-27 11:22:43,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:22:43,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:22:44,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:44,191 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:22:44,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:44,421 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:22:44,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:44 WrapperNode [2019-11-27 11:22:44,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:44,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:22:44,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:22:44,424 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:22:44,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:44" (1/1) ... [2019-11-27 11:22:44,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:44" (1/1) ... [2019-11-27 11:22:44,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:44" (1/1) ... [2019-11-27 11:22:44,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:44" (1/1) ... [2019-11-27 11:22:44,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:44" (1/1) ... [2019-11-27 11:22:44,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:44" (1/1) ... [2019-11-27 11:22:44,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:44" (1/1) ... [2019-11-27 11:22:44,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:22:44,588 INFO L168 Benchmark]: Toolchain (without parser) took 1473.55 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 979.6 MB in the end (delta: -13.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:22:44,589 INFO L168 Benchmark]: CDTParser took 0.78 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 11:22:44,602 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1313.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 979.6 MB in the end (delta: -13.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:22:44,609 INFO L168 Benchmark]: Boogie Preprocessor took 149.97 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:22:44,616 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 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 1313.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 979.6 MB in the end (delta: -13.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 149.97 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 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-da95e15 [2019-11-27 11:22:48,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:22:48,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:22:48,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:22:48,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:22:48,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:22:48,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:22:48,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:22:48,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:22:48,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:22:48,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:22:48,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:22:48,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:22:48,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:22:48,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:22:48,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:22:48,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:22:48,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:22:48,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:22:48,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:22:48,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:22:48,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:22:48,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:22:48,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:22:48,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:22:48,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:22:48,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:22:48,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:22:48,605 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:22:48,607 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:22:48,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:22:48,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:22:48,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:22:48,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:22:48,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:22:48,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:22:48,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:22:48,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:22:48,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:22:48,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:22:48,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:22:48,634 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:22:48,674 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:22:48,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:22:48,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:22:48,684 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:22:48,684 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:22:48,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:22:48,685 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:22:48,685 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:22:48,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:22:48,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:22:48,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:22:48,688 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:22:48,688 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:22:48,690 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:22:48,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:22:48,691 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:22:48,691 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:22:48,691 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:22:48,692 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:22:48,692 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:22:48,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:22:48,695 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:22:48,696 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:22:48,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:22:48,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:22:48,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:22:48,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:22:48,697 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:22:48,697 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:22:48,698 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:22:48,701 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 -> 31978db89ae521f3f75fa608730a1f5cd4ee8ad4 [2019-11-27 11:22:49,230 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:22:49,262 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:22:49,271 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:22:49,276 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:22:49,277 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:22:49,280 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/sll-optional-1.i [2019-11-27 11:22:49,443 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68d73f7cc/40686dce5bd841ac81ce0c71cf90d994/FLAG64c49e4dc [2019-11-27 11:22:50,673 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:22:50,677 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-optional-1.i [2019-11-27 11:22:50,710 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68d73f7cc/40686dce5bd841ac81ce0c71cf90d994/FLAG64c49e4dc [2019-11-27 11:22:50,746 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68d73f7cc/40686dce5bd841ac81ce0c71cf90d994 [2019-11-27 11:22:50,758 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:22:50,760 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:22:50,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:50,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:22:50,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:22:50,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:50" (1/1) ... [2019-11-27 11:22:50,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41d41ecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:50, skipping insertion in model container [2019-11-27 11:22:50,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:22:50" (1/1) ... [2019-11-27 11:22:50,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:22:50,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:22:51,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:51,863 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:22:52,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:22:52,128 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:22:52,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:52 WrapperNode [2019-11-27 11:22:52,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:22:52,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:22:52,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:22:52,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:22:52,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:52" (1/1) ... [2019-11-27 11:22:52,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:52" (1/1) ... [2019-11-27 11:22:52,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:52" (1/1) ... [2019-11-27 11:22:52,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:52" (1/1) ... [2019-11-27 11:22:52,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:52" (1/1) ... [2019-11-27 11:22:52,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:52" (1/1) ... [2019-11-27 11:22:52,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:22:52" (1/1) ... [2019-11-27 11:22:52,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:22:52,355 INFO L168 Benchmark]: Toolchain (without parser) took 1590.73 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 968.4 MB in the end (delta: -6.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:22:52,356 INFO L168 Benchmark]: CDTParser took 0.69 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 11:22:52,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1370.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 974.1 MB in the end (delta: -12.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 11:22:52,378 INFO L168 Benchmark]: Boogie Preprocessor took 214.50 ms. Allocated memory is still 1.0 GB. Free memory was 974.1 MB in the beginning and 968.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:22:52,387 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 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 1370.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 974.1 MB in the end (delta: -12.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 214.50 ms. Allocated memory is still 1.0 GB. Free memory was 974.1 MB in the beginning and 968.4 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...