./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-tiling/skippedu.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/array-tiling/skippedu.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 e8f2cf545726d8f791bfc137e9eca7e9de4cb696 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-tiling/skippedu.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 e8f2cf545726d8f791bfc137e9eca7e9de4cb696 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:38:37,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:38:37,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:38:37,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:38:37,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:38:37,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:38:37,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:38:37,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:38:37,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:38:37,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:38:37,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:38:37,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:38:37,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:38:37,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:38:37,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:38:37,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:38:37,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:38:37,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:38:37,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:38:37,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:38:37,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:38:37,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:38:37,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:38:37,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:38:37,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:38:37,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:38:37,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:38:37,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:38:37,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:38:37,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:38:37,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:38:37,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:38:37,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:38:37,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:38:37,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:38:37,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:38:37,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:38:37,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:38:37,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:38:37,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:38:37,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:38:37,208 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:38:37,250 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:38:37,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:38:37,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:38:37,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:38:37,260 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:38:37,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:38:37,261 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:38:37,261 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:38:37,261 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:38:37,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:38:37,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:38:37,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:38:37,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:38:37,266 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:38:37,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:38:37,268 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:38:37,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:38:37,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:38:37,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:38:37,269 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:38:37,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:38:37,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:38:37,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:38:37,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:38:37,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:38:37,273 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:38:37,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:38:37,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:38:37,276 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 -> e8f2cf545726d8f791bfc137e9eca7e9de4cb696 [2019-11-27 15:38:37,864 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:38:37,899 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:38:37,908 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:38:37,910 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:38:37,910 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:38:37,912 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-tiling/skippedu.c [2019-11-27 15:38:38,081 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb1672e19/2e7d7322c62c41cb897c5921aab3f528/FLAG5183313ad [2019-11-27 15:38:39,202 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:38:39,205 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/skippedu.c [2019-11-27 15:38:39,221 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb1672e19/2e7d7322c62c41cb897c5921aab3f528/FLAG5183313ad [2019-11-27 15:38:39,258 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb1672e19/2e7d7322c62c41cb897c5921aab3f528 [2019-11-27 15:38:39,266 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:38:39,274 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:38:39,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:39,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:38:39,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:38:39,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:39" (1/1) ... [2019-11-27 15:38:39,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d4f145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:39, skipping insertion in model container [2019-11-27 15:38:39,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:39" (1/1) ... [2019-11-27 15:38:39,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:38:39,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:38:39,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:39,932 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:38:40,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:40,133 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:38:40,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:40 WrapperNode [2019-11-27 15:38:40,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:40,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:40,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:38:40,135 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:38:40,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:40" (1/1) ... [2019-11-27 15:38:40,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:40" (1/1) ... [2019-11-27 15:38:40,287 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:40,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:38:40,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:38:40,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:38:40,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:40" (1/1) ... [2019-11-27 15:38:40,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:40" (1/1) ... [2019-11-27 15:38:40,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:40" (1/1) ... [2019-11-27 15:38:40,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:40" (1/1) ... [2019-11-27 15:38:40,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:40" (1/1) ... [2019-11-27 15:38:40,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:40" (1/1) ... [2019-11-27 15:38:40,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:40" (1/1) ... [2019-11-27 15:38:40,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:38:40,379 INFO L168 Benchmark]: Toolchain (without parser) took 1104.31 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 15:38:40,382 INFO L168 Benchmark]: CDTParser took 3.15 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 15:38:40,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 855.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 15:38:40,402 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.99 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 15:38:40,404 INFO L168 Benchmark]: Boogie Preprocessor took 81.66 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 15:38:40,411 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.15 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 855.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 156.99 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. * Boogie Preprocessor took 81.66 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 15:38:44,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:38:44,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:38:44,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:38:44,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:38:44,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:38:44,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:38:44,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:38:44,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:38:44,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:38:44,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:38:44,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:38:44,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:38:44,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:38:44,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:38:44,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:38:44,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:38:44,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:38:44,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:38:44,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:38:44,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:38:44,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:38:44,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:38:44,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:38:44,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:38:44,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:38:44,419 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:38:44,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:38:44,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:38:44,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:38:44,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:38:44,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:38:44,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:38:44,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:38:44,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:38:44,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:38:44,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:38:44,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:38:44,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:38:44,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:38:44,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:38:44,449 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:38:44,488 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:38:44,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:38:44,493 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:38:44,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:38:44,496 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:38:44,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:38:44,497 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:38:44,497 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:38:44,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:38:44,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:38:44,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:38:44,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:38:44,502 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:38:44,503 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:38:44,503 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:38:44,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:38:44,504 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:38:44,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:38:44,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:38:44,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:38:44,507 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:38:44,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:38:44,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:38:44,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:38:44,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:38:44,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:38:44,509 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:38:44,510 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:38:44,510 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:38:44,510 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:38:44,514 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 -> e8f2cf545726d8f791bfc137e9eca7e9de4cb696 [2019-11-27 15:38:45,095 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:38:45,127 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:38:45,135 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:38:45,141 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:38:45,142 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:38:45,145 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-tiling/skippedu.c [2019-11-27 15:38:45,305 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29207287c/8e5a83c002914878864d80ebf00b641c/FLAG7324976cd [2019-11-27 15:38:46,382 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:38:46,383 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/skippedu.c [2019-11-27 15:38:46,401 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29207287c/8e5a83c002914878864d80ebf00b641c/FLAG7324976cd [2019-11-27 15:38:46,441 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29207287c/8e5a83c002914878864d80ebf00b641c [2019-11-27 15:38:46,451 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:38:46,454 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:38:46,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:46,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:38:46,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:38:46,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:46" (1/1) ... [2019-11-27 15:38:46,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@522b775e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:46, skipping insertion in model container [2019-11-27 15:38:46,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:46" (1/1) ... [2019-11-27 15:38:46,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:38:46,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:38:47,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:47,111 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:38:47,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:47,335 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:38:47,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:47 WrapperNode [2019-11-27 15:38:47,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:47,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:47,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:38:47,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:38:47,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:47" (1/1) ... [2019-11-27 15:38:47,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:47" (1/1) ... [2019-11-27 15:38:47,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:47,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:38:47,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:38:47,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:38:47,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:47" (1/1) ... [2019-11-27 15:38:47,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:47" (1/1) ... [2019-11-27 15:38:47,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:47" (1/1) ... [2019-11-27 15:38:47,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:47" (1/1) ... [2019-11-27 15:38:47,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:47" (1/1) ... [2019-11-27 15:38:47,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:47" (1/1) ... [2019-11-27 15:38:47,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:47" (1/1) ... [2019-11-27 15:38:47,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:38:47,599 INFO L168 Benchmark]: Toolchain (without parser) took 1140.31 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 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:38:47,604 INFO L168 Benchmark]: CDTParser took 0.43 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 15:38:47,607 INFO L168 Benchmark]: CACSL2BoogieTranslator took 880.27 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 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 15:38:47,612 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.03 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 15:38:47,615 INFO L168 Benchmark]: Boogie Preprocessor took 120.56 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 15:38:47,619 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 880.27 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 996.8 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 129.03 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. * Boogie Preprocessor took 120.56 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 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...