./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.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 3e0675069af96ce2b947856aad4bf6a2d556158b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-rb-sentinel-2.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 3e0675069af96ce2b947856aad4bf6a2d556158b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:11:19,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:11:19,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:11:19,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:11:19,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:11:19,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:11:19,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:11:19,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:11:20,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:11:20,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:11:20,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:11:20,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:11:20,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:11:20,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:11:20,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:11:20,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:11:20,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:11:20,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:11:20,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:11:20,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:11:20,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:11:20,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:11:20,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:11:20,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:11:20,080 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:11:20,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:11:20,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:11:20,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:11:20,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:11:20,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:11:20,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:11:20,101 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:11:20,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:11:20,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:11:20,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:11:20,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:11:20,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:11:20,114 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:11:20,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:11:20,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:11:20,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:11:20,127 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:11:20,165 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:11:20,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:11:20,171 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:11:20,171 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:11:20,173 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:11:20,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:11:20,173 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:11:20,174 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:11:20,176 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:11:20,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:11:20,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:11:20,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:11:20,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:11:20,181 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:11:20,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:11:20,182 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:11:20,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:11:20,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:11:20,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:11:20,183 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:11:20,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:11:20,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:11:20,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:11:20,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:11:20,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:11:20,187 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:11:20,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:11:20,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:11:20,189 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 -> 3e0675069af96ce2b947856aad4bf6a2d556158b [2019-11-27 16:11:20,784 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:11:20,813 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:11:20,821 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:11:20,826 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:11:20,827 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:11:20,829 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i [2019-11-27 16:11:20,992 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16b8933a6/496c65113f6a4979989b061a8425f8a7/FLAG2472634d5 [2019-11-27 16:11:22,159 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:11:22,160 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i [2019-11-27 16:11:22,198 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16b8933a6/496c65113f6a4979989b061a8425f8a7/FLAG2472634d5 [2019-11-27 16:11:22,218 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16b8933a6/496c65113f6a4979989b061a8425f8a7 [2019-11-27 16:11:22,223 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:11:22,225 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:11:22,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:22,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:11:22,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:11:22,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:22" (1/1) ... [2019-11-27 16:11:22,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b5eb229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:22, skipping insertion in model container [2019-11-27 16:11:22,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:22" (1/1) ... [2019-11-27 16:11:22,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:11:22,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:11:23,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:23,256 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:11:23,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:23,493 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:11:23,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:23 WrapperNode [2019-11-27 16:11:23,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:23,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:23,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:11:23,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:11:23,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:23" (1/1) ... [2019-11-27 16:11:23,560 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:23" (1/1) ... [2019-11-27 16:11:23,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:23,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:11:23,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:11:23,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:11:23,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:23" (1/1) ... [2019-11-27 16:11:23,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:23" (1/1) ... [2019-11-27 16:11:23,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:23" (1/1) ... [2019-11-27 16:11:23,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:23" (1/1) ... [2019-11-27 16:11:23,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:23" (1/1) ... [2019-11-27 16:11:23,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:23" (1/1) ... [2019-11-27 16:11:23,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:23" (1/1) ... [2019-11-27 16:11:23,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:11:23,735 INFO L168 Benchmark]: Toolchain (without parser) took 1493.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.8 MB in the end (delta: -5.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:23,738 INFO L168 Benchmark]: CDTParser took 2.99 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 16:11:23,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1260.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.5 MB in the end (delta: -11.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:11:23,747 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.26 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. [2019-11-27 16:11:23,751 INFO L168 Benchmark]: Boogie Preprocessor took 93.87 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. [2019-11-27 16:11:23,758 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.99 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 1260.65 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.5 MB in the end (delta: -11.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 125.26 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 93.87 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:11:27,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:11:27,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:11:27,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:11:27,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:11:27,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:11:27,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:11:27,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:11:27,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:11:27,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:11:27,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:11:27,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:11:27,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:11:27,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:11:27,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:11:27,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:11:27,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:11:27,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:11:27,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:11:27,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:11:27,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:11:27,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:11:27,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:11:27,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:11:27,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:11:27,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:11:27,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:11:27,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:11:27,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:11:27,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:11:27,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:11:27,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:11:27,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:11:27,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:11:27,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:11:27,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:11:27,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:11:27,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:11:27,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:11:27,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:11:27,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:11:27,756 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:11:27,794 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:11:27,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:11:27,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:11:27,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:11:27,802 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:11:27,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:11:27,803 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:11:27,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:11:27,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:11:27,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:11:27,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:11:27,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:11:27,808 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:11:27,811 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:11:27,812 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:11:27,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:11:27,812 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:11:27,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:11:27,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:11:27,813 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:11:27,814 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:11:27,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:11:27,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:11:27,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:11:27,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:11:27,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:11:27,817 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:11:27,818 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:11:27,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:11:27,818 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:11:27,822 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 -> 3e0675069af96ce2b947856aad4bf6a2d556158b [2019-11-27 16:11:28,419 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:11:28,452 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:11:28,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:11:28,466 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:11:28,466 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:11:28,468 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i [2019-11-27 16:11:28,629 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69acfd583/180f68d72d0e4907a1d790a31c62ea1e/FLAGa4d007d7a [2019-11-27 16:11:29,842 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:11:29,843 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/dll-rb-sentinel-2.i [2019-11-27 16:11:29,879 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69acfd583/180f68d72d0e4907a1d790a31c62ea1e/FLAGa4d007d7a [2019-11-27 16:11:29,921 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69acfd583/180f68d72d0e4907a1d790a31c62ea1e [2019-11-27 16:11:29,931 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:11:29,935 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:11:29,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:29,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:11:29,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:11:29,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:29" (1/1) ... [2019-11-27 16:11:29,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5189edd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:29, skipping insertion in model container [2019-11-27 16:11:29,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:11:29" (1/1) ... [2019-11-27 16:11:29,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:11:30,086 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:11:31,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:31,049 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:11:31,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:11:31,329 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:11:31,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:31 WrapperNode [2019-11-27 16:11:31,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:11:31,334 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:31,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:11:31,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:11:31,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:31" (1/1) ... [2019-11-27 16:11:31,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:31" (1/1) ... [2019-11-27 16:11:31,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:11:31,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:11:31,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:11:31,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:11:31,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:31" (1/1) ... [2019-11-27 16:11:31,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:31" (1/1) ... [2019-11-27 16:11:31,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:31" (1/1) ... [2019-11-27 16:11:31,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:31" (1/1) ... [2019-11-27 16:11:31,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:31" (1/1) ... [2019-11-27 16:11:31,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:31" (1/1) ... [2019-11-27 16:11:31,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:11:31" (1/1) ... [2019-11-27 16:11:31,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:11:31,618 INFO L168 Benchmark]: Toolchain (without parser) took 1681.35 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. [2019-11-27 16:11:31,620 INFO L168 Benchmark]: CDTParser took 2.57 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 16:11:31,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1394.32 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. [2019-11-27 16:11:31,625 INFO L168 Benchmark]: Boogie Procedure Inliner took 151.99 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. [2019-11-27 16:11:31,632 INFO L168 Benchmark]: Boogie Preprocessor took 126.24 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:11:31,640 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.57 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 1394.32 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 151.99 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. * Boogie Preprocessor took 126.24 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 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...