./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/verifythis/tree_max_incorrect.c --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/verifythis/tree_max_incorrect.c -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 d175b23e7b65a104262a874bc9fb10ae6a765c43 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/verifythis/tree_max_incorrect.c -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 d175b23e7b65a104262a874bc9fb10ae6a765c43 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:22:00,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:22:00,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:22:00,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:22:00,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:22:00,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:22:00,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:22:00,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:22:00,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:22:00,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:22:00,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:22:00,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:22:00,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:22:00,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:22:00,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:22:00,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:22:00,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:22:00,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:22:00,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:22:00,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:22:00,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:22:00,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:22:00,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:22:00,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:22:00,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:22:00,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:22:00,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:22:00,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:22:00,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:22:00,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:22:00,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:22:00,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:22:00,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:22:00,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:22:00,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:22:00,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:22:00,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:22:00,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:22:00,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:22:00,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:22:00,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:22:00,238 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:22:00,275 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:22:00,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:22:00,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:22:00,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:22:00,282 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:22:00,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:22:00,283 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:22:00,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:22:00,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:22:00,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:22:00,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:22:00,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:22:00,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:22:00,291 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:22:00,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:22:00,292 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:22:00,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:22:00,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:22:00,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:22:00,293 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:22:00,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:22:00,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:22:00,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:22:00,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:22:00,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:22:00,297 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:22:00,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:22:00,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:22:00,299 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 -> d175b23e7b65a104262a874bc9fb10ae6a765c43 [2019-11-27 16:22:00,880 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:22:00,907 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:22:00,915 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:22:00,919 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:22:00,921 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:22:00,924 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/tree_max_incorrect.c [2019-11-27 16:22:01,078 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67a81966e/6414f39b8fae43238c0cc7bb052d9fea/FLAG3eedc652d [2019-11-27 16:22:02,191 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:22:02,196 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/tree_max_incorrect.c [2019-11-27 16:22:02,213 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67a81966e/6414f39b8fae43238c0cc7bb052d9fea/FLAG3eedc652d [2019-11-27 16:22:02,253 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67a81966e/6414f39b8fae43238c0cc7bb052d9fea [2019-11-27 16:22:02,260 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:22:02,264 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:22:02,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:22:02,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:22:02,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:22:02,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:22:02" (1/1) ... [2019-11-27 16:22:02,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48af0003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:02, skipping insertion in model container [2019-11-27 16:22:02,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:22:02" (1/1) ... [2019-11-27 16:22:02,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:22:02,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:22:02,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:22:02,821 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:22:02,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:22:03,019 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:22:03,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:03 WrapperNode [2019-11-27 16:22:03,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:22:03,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:22:03,030 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:22:03,030 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:22:03,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:03" (1/1) ... [2019-11-27 16:22:03,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:03" (1/1) ... [2019-11-27 16:22:03,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:22:03,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:22:03,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:22:03,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:22:03,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:03" (1/1) ... [2019-11-27 16:22:03,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:03" (1/1) ... [2019-11-27 16:22:03,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:03" (1/1) ... [2019-11-27 16:22:03,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:03" (1/1) ... [2019-11-27 16:22:03,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:03" (1/1) ... [2019-11-27 16:22:03,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:03" (1/1) ... [2019-11-27 16:22:03,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:03" (1/1) ... [2019-11-27 16:22:03,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:22:03,221 INFO L168 Benchmark]: Toolchain (without parser) took 944.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.3 MB in the end (delta: -25.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:22:03,225 INFO L168 Benchmark]: CDTParser took 0.39 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 16:22:03,235 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.3 MB in the end (delta: -25.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:22:03,238 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.19 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:22:03,240 INFO L168 Benchmark]: Boogie Preprocessor took 76.17 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:22:03,252 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 753.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.3 MB in the end (delta: -25.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 100.19 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 76.17 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:22:07,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:22:07,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:22:07,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:22:07,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:22:07,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:22:07,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:22:07,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:22:07,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:22:07,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:22:07,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:22:07,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:22:07,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:22:07,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:22:07,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:22:07,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:22:07,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:22:07,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:22:07,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:22:07,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:22:07,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:22:07,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:22:07,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:22:07,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:22:07,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:22:07,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:22:07,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:22:07,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:22:07,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:22:07,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:22:07,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:22:07,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:22:07,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:22:07,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:22:07,243 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:22:07,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:22:07,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:22:07,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:22:07,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:22:07,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:22:07,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:22:07,256 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:22:07,296 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:22:07,297 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:22:07,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:22:07,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:22:07,302 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:22:07,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:22:07,306 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:22:07,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:22:07,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:22:07,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:22:07,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:22:07,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:22:07,309 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:22:07,310 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:22:07,310 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:22:07,310 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:22:07,310 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:22:07,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:22:07,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:22:07,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:22:07,313 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:22:07,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:22:07,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:22:07,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:22:07,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:22:07,317 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:22:07,317 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:22:07,318 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:22:07,318 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:22:07,318 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:22:07,319 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 -> d175b23e7b65a104262a874bc9fb10ae6a765c43 [2019-11-27 16:22:07,886 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:22:07,917 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:22:07,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:22:07,929 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:22:07,933 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:22:07,935 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/verifythis/tree_max_incorrect.c [2019-11-27 16:22:08,100 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b2e75c53/3e621e87c3694bae90099d74203fd940/FLAG29f56cff6 [2019-11-27 16:22:09,239 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:22:09,241 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/verifythis/tree_max_incorrect.c [2019-11-27 16:22:09,260 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b2e75c53/3e621e87c3694bae90099d74203fd940/FLAG29f56cff6 [2019-11-27 16:22:09,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b2e75c53/3e621e87c3694bae90099d74203fd940 [2019-11-27 16:22:09,436 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:22:09,438 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:22:09,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:22:09,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:22:09,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:22:09,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:22:09" (1/1) ... [2019-11-27 16:22:09,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d2f814c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:09, skipping insertion in model container [2019-11-27 16:22:09,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:22:09" (1/1) ... [2019-11-27 16:22:09,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:22:09,541 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:22:09,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:22:10,014 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:22:10,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:22:10,198 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:22:10,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:10 WrapperNode [2019-11-27 16:22:10,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:22:10,205 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:22:10,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:22:10,208 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:22:10,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:10" (1/1) ... [2019-11-27 16:22:10,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:10" (1/1) ... [2019-11-27 16:22:10,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:22:10,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:22:10,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:22:10,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:22:10,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:10" (1/1) ... [2019-11-27 16:22:10,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:10" (1/1) ... [2019-11-27 16:22:10,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:10" (1/1) ... [2019-11-27 16:22:10,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:10" (1/1) ... [2019-11-27 16:22:10,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:10" (1/1) ... [2019-11-27 16:22:10,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:10" (1/1) ... [2019-11-27 16:22:10,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:22:10" (1/1) ... [2019-11-27 16:22:10,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:22:10,397 INFO L168 Benchmark]: Toolchain (without parser) took 955.70 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:22:10,414 INFO L168 Benchmark]: CDTParser took 0.37 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 16:22:10,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.01 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 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:22:10,421 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.68 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:22:10,423 INFO L168 Benchmark]: Boogie Preprocessor took 74.57 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:22:10,430 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 752.01 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 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 111.68 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 74.57 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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...