./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-examples/standard_palindrome_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-examples/standard_palindrome_ground.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 07bd1d7634c7899f9b506c7eb0aae0022141efa6 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/array-examples/standard_palindrome_ground.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 07bd1d7634c7899f9b506c7eb0aae0022141efa6 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:16:02,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:16:03,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:16:03,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:16:03,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:16:03,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:16:03,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:16:03,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:16:03,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:16:03,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:16:03,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:16:03,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:16:03,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:16:03,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:16:03,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:16:03,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:16:03,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:16:03,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:16:03,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:16:03,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:16:03,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:16:03,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:16:03,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:16:03,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:16:03,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:16:03,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:16:03,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:16:03,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:16:03,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:16:03,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:16:03,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:16:03,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:16:03,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:16:03,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:16:03,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:16:03,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:16:03,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:16:03,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:16:03,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:16:03,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:16:03,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:16:03,172 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:16:03,225 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:16:03,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:16:03,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:16:03,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:16:03,236 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:16:03,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:16:03,239 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:16:03,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:16:03,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:16:03,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:16:03,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:16:03,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:16:03,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:16:03,246 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:16:03,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:16:03,247 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:16:03,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:16:03,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:16:03,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:16:03,249 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:16:03,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:16:03,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:16:03,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:16:03,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:16:03,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:16:03,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:16:03,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:16:03,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:16:03,257 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 -> 07bd1d7634c7899f9b506c7eb0aae0022141efa6 [2019-11-27 09:16:03,823 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:16:03,850 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:16:03,860 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:16:03,863 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:16:03,865 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:16:03,867 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-examples/standard_palindrome_ground.i [2019-11-27 09:16:04,032 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3c1520d8/d67635e972f24963aff232afa16de850/FLAGdb75fb7de [2019-11-27 09:16:05,109 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:16:05,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_palindrome_ground.i [2019-11-27 09:16:05,128 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3c1520d8/d67635e972f24963aff232afa16de850/FLAGdb75fb7de [2019-11-27 09:16:05,166 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3c1520d8/d67635e972f24963aff232afa16de850 [2019-11-27 09:16:05,175 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:16:05,180 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:16:05,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:16:05,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:16:05,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:16:05,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:16:05" (1/1) ... [2019-11-27 09:16:05,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4437ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:05, skipping insertion in model container [2019-11-27 09:16:05,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:16:05" (1/1) ... [2019-11-27 09:16:05,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:16:05,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:16:05,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:16:05,751 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:16:05,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:16:05,861 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:16:05,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:05 WrapperNode [2019-11-27 09:16:05,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:16:05,871 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:16:05,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:16:05,871 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:16:05,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:05" (1/1) ... [2019-11-27 09:16:06,004 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:05" (1/1) ... [2019-11-27 09:16:06,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:16:06,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:16:06,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:16:06,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:16:06,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:05" (1/1) ... [2019-11-27 09:16:06,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:05" (1/1) ... [2019-11-27 09:16:06,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:05" (1/1) ... [2019-11-27 09:16:06,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:05" (1/1) ... [2019-11-27 09:16:06,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:05" (1/1) ... [2019-11-27 09:16:06,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:05" (1/1) ... [2019-11-27 09:16:06,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:05" (1/1) ... [2019-11-27 09:16:06,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:16:06,142 INFO L168 Benchmark]: Toolchain (without parser) took 960.99 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 09:16:06,153 INFO L168 Benchmark]: CDTParser took 3.37 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 09:16:06,162 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.76 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:16:06,166 INFO L168 Benchmark]: Boogie Procedure Inliner took 196.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:16:06,169 INFO L168 Benchmark]: Boogie Preprocessor took 70.52 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:16:06,183 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.37 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 675.76 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 196.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 70.52 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 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-da95e15 [2019-11-27 09:16:09,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:16:09,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:16:10,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:16:10,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:16:10,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:16:10,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:16:10,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:16:10,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:16:10,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:16:10,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:16:10,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:16:10,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:16:10,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:16:10,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:16:10,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:16:10,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:16:10,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:16:10,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:16:10,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:16:10,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:16:10,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:16:10,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:16:10,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:16:10,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:16:10,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:16:10,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:16:10,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:16:10,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:16:10,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:16:10,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:16:10,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:16:10,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:16:10,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:16:10,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:16:10,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:16:10,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:16:10,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:16:10,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:16:10,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:16:10,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:16:10,164 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:16:10,218 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:16:10,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:16:10,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:16:10,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:16:10,231 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:16:10,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:16:10,233 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:16:10,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:16:10,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:16:10,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:16:10,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:16:10,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:16:10,238 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:16:10,238 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:16:10,240 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:16:10,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:16:10,240 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:16:10,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:16:10,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:16:10,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:16:10,243 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:16:10,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:16:10,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:16:10,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:16:10,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:16:10,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:16:10,246 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:16:10,246 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:16:10,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:16:10,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:16:10,250 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 -> 07bd1d7634c7899f9b506c7eb0aae0022141efa6 [2019-11-27 09:16:10,909 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:16:10,940 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:16:10,949 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:16:10,952 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:16:10,956 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:16:10,958 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-examples/standard_palindrome_ground.i [2019-11-27 09:16:11,116 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0347e8c98/cc8096a6d80a4b1aba5809d922a24f54/FLAG1db8e5d8f [2019-11-27 09:16:12,151 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:16:12,153 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_palindrome_ground.i [2019-11-27 09:16:12,167 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0347e8c98/cc8096a6d80a4b1aba5809d922a24f54/FLAG1db8e5d8f [2019-11-27 09:16:12,209 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0347e8c98/cc8096a6d80a4b1aba5809d922a24f54 [2019-11-27 09:16:12,220 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:16:12,222 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:16:12,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:16:12,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:16:12,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:16:12,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:16:12" (1/1) ... [2019-11-27 09:16:12,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2649282b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:12, skipping insertion in model container [2019-11-27 09:16:12,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:16:12" (1/1) ... [2019-11-27 09:16:12,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:16:12,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:16:12,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:16:12,813 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:16:12,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:16:12,935 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:16:12,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:12 WrapperNode [2019-11-27 09:16:12,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:16:12,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:16:12,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:16:12,940 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:16:13,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:12" (1/1) ... [2019-11-27 09:16:13,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:12" (1/1) ... [2019-11-27 09:16:13,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:16:13,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:16:13,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:16:13,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:16:13,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:12" (1/1) ... [2019-11-27 09:16:13,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:12" (1/1) ... [2019-11-27 09:16:13,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:12" (1/1) ... [2019-11-27 09:16:13,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:12" (1/1) ... [2019-11-27 09:16:13,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:12" (1/1) ... [2019-11-27 09:16:13,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:12" (1/1) ... [2019-11-27 09:16:13,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:16:12" (1/1) ... [2019-11-27 09:16:13,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:16:13,215 INFO L168 Benchmark]: Toolchain (without parser) took 990.61 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 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:16:13,218 INFO L168 Benchmark]: CDTParser took 3.54 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 09:16:13,228 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.98 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:16:13,232 INFO L168 Benchmark]: Boogie Procedure Inliner took 187.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-27 09:16:13,235 INFO L168 Benchmark]: Boogie Preprocessor took 79.94 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:16:13,246 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.54 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 711.98 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 187.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.8 MB in the end (delta: -46.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 79.94 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...