./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/forester-heap/dll-optional-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/AutomizerReach.xml -i ../sv-benchmarks/c/forester-heap/dll-optional-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 497bfe83d1a123e7e085e38ee3eed2e663cc023e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/AutomizerReach.xml -i ../sv-benchmarks/c/forester-heap/dll-optional-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 497bfe83d1a123e7e085e38ee3eed2e663cc023e .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:54:25,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:54:25,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:54:25,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:54:25,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:54:25,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:54:25,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:54:25,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:54:25,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:54:25,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:54:25,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:54:25,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:54:25,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:54:25,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:54:25,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:54:25,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:54:25,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:54:25,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:54:25,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:54:25,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:54:25,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:54:25,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:54:25,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:54:25,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:54:25,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:54:25,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:54:25,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:54:25,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:54:25,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:54:25,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:54:25,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:54:25,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:54:25,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:54:25,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:54:25,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:54:25,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:54:25,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:54:25,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:54:25,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:54:25,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:54:25,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:54:25,290 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:54:25,316 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:54:25,318 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:54:25,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:54:25,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:54:25,322 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:54:25,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:54:25,323 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:54:25,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:54:25,324 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:54:25,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:54:25,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:54:25,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:54:25,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:54:25,327 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:54:25,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:54:25,328 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:54:25,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:54:25,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:54:25,328 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:54:25,330 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:54:25,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:54:25,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:54:25,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:54:25,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:54:25,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:54:25,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:54:25,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:54:25,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:54:25,333 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 ! call(__VERIFIER_error())) ) 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 -> 497bfe83d1a123e7e085e38ee3eed2e663cc023e [2019-11-25 22:54:25,724 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:54:25,742 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:54:25,748 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:54:25,750 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:54:25,753 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:54:25,754 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-optional-1.i [2019-11-25 22:54:25,860 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ad93fe31/04ca7e2c973c476f9a354419be01664d/FLAG0d325091e [2019-11-25 22:54:26,676 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:54:26,679 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-optional-1.i [2019-11-25 22:54:26,705 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ad93fe31/04ca7e2c973c476f9a354419be01664d/FLAG0d325091e [2019-11-25 22:54:26,892 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ad93fe31/04ca7e2c973c476f9a354419be01664d [2019-11-25 22:54:26,897 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:54:26,899 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:54:26,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:26,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:54:26,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:54:26,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:26" (1/1) ... [2019-11-25 22:54:26,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a851b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:26, skipping insertion in model container [2019-11-25 22:54:26,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:26" (1/1) ... [2019-11-25 22:54:26,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:54:27,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:54:27,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:27,636 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:54:27,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:27,819 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:54:27,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:27 WrapperNode [2019-11-25 22:54:27,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:27,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:27,822 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:54:27,822 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:54:27,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:27" (1/1) ... [2019-11-25 22:54:27,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:27" (1/1) ... [2019-11-25 22:54:27,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:27,935 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:54:27,935 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:54:27,935 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:54:27,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:27" (1/1) ... [2019-11-25 22:54:27,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:27" (1/1) ... [2019-11-25 22:54:27,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:27" (1/1) ... [2019-11-25 22:54:27,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:27" (1/1) ... [2019-11-25 22:54:27,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:27" (1/1) ... [2019-11-25 22:54:27,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:27" (1/1) ... [2019-11-25 22:54:28,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:27" (1/1) ... [2019-11-25 22:54:28,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:54:28,024 INFO L168 Benchmark]: Toolchain (without parser) took 1111.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 968.5 MB in the end (delta: -6.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:28,027 INFO L168 Benchmark]: CDTParser took 0.22 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. [2019-11-25 22:54:28,030 INFO L168 Benchmark]: CACSL2BoogieTranslator took 915.30 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 974.2 MB in the end (delta: -12.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:28,031 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.51 ms. Allocated memory is still 1.0 GB. Free memory is still 974.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:28,032 INFO L168 Benchmark]: Boogie Preprocessor took 73.29 ms. Allocated memory is still 1.0 GB. Free memory was 974.2 MB in the beginning and 968.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:28,042 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 915.30 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 974.2 MB in the end (delta: -12.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 102.51 ms. Allocated memory is still 1.0 GB. Free memory is still 974.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 73.29 ms. Allocated memory is still 1.0 GB. Free memory was 974.2 MB in the beginning and 968.5 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... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:54:30,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:54:30,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:54:30,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:54:30,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:54:30,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:54:30,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:54:30,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:54:30,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:54:30,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:54:30,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:54:30,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:54:30,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:54:30,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:54:30,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:54:30,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:54:30,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:54:30,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:54:30,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:54:30,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:54:30,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:54:30,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:54:30,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:54:30,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:54:30,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:54:30,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:54:30,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:54:30,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:54:30,897 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:54:30,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:54:30,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:54:30,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:54:30,903 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:54:30,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:54:30,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:54:30,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:54:30,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:54:30,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:54:30,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:54:30,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:54:30,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:54:30,913 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:54:30,939 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:54:30,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:54:30,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:54:30,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:54:30,946 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:54:30,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:54:30,946 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:54:30,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:54:30,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:54:30,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:54:30,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:54:30,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:54:30,950 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:54:30,951 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:54:30,951 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:54:30,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:54:30,951 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:54:30,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:54:30,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:54:30,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:54:30,954 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:54:30,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:54:30,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:54:30,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:54:30,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:54:30,956 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:54:30,956 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:54:30,957 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:54:30,957 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:54:30,957 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:54:30,960 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 ! call(__VERIFIER_error())) ) 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 -> 497bfe83d1a123e7e085e38ee3eed2e663cc023e [2019-11-25 22:54:31,441 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:54:31,457 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:54:31,460 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:54:31,465 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:54:31,467 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:54:31,471 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-optional-1.i [2019-11-25 22:54:31,573 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c2a1362b/de566bbf58cc4429a0350b72bb68266c/FLAG33ec88cd7 [2019-11-25 22:54:32,413 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:54:32,414 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-optional-1.i [2019-11-25 22:54:32,441 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c2a1362b/de566bbf58cc4429a0350b72bb68266c/FLAG33ec88cd7 [2019-11-25 22:54:32,600 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c2a1362b/de566bbf58cc4429a0350b72bb68266c [2019-11-25 22:54:32,608 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:54:32,610 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:54:32,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:32,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:54:32,623 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:54:32,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:32" (1/1) ... [2019-11-25 22:54:32,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dc5c18f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:32, skipping insertion in model container [2019-11-25 22:54:32,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:54:32" (1/1) ... [2019-11-25 22:54:32,636 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:54:32,717 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:54:33,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:33,406 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:54:33,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:54:33,587 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:54:33,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:33 WrapperNode [2019-11-25 22:54:33,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:54:33,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:33,594 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:54:33,594 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:54:33,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:33" (1/1) ... [2019-11-25 22:54:33,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:33" (1/1) ... [2019-11-25 22:54:33,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:54:33,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:54:33,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:54:33,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:54:33,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:33" (1/1) ... [2019-11-25 22:54:33,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:33" (1/1) ... [2019-11-25 22:54:33,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:33" (1/1) ... [2019-11-25 22:54:33,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:33" (1/1) ... [2019-11-25 22:54:33,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:33" (1/1) ... [2019-11-25 22:54:33,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:33" (1/1) ... [2019-11-25 22:54:33,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:54:33" (1/1) ... [2019-11-25 22:54:33,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:54:33,772 INFO L168 Benchmark]: Toolchain (without parser) took 1162.04 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.8 MB in the end (delta: -11.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:33,774 INFO L168 Benchmark]: CDTParser took 0.28 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. [2019-11-25 22:54:33,776 INFO L168 Benchmark]: CACSL2BoogieTranslator took 977.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:33,782 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.69 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:54:33,785 INFO L168 Benchmark]: Boogie Preprocessor took 79.91 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:54:33,799 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 977.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 95.69 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 79.91 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 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...