./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-tiling/skipped.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/skipped.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 f022e969c9202fe0513d5e38b112fd83f4870563 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/skipped.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 f022e969c9202fe0513d5e38b112fd83f4870563 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:38:37,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:38:37,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:38:37,064 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 15:38:37,083 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 15:38:37,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:38:37,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:38:37,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:38:37,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:38:37,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:38:37,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:38:37,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:38:37,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:38:37,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:38:37,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:38:37,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:38:37,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:38:37,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:38:37,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:38:37,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:38:37,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:38:37,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:38:37,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:38:37,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:38:37,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:38:37,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:38:37,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:38:37,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:38:37,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:38:37,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:38:37,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:38:37,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:38:37,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:38:37,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:38:37,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:38:37,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:38:37,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:38:37,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:38:37,220 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:38:37,258 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:38:37,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:38:37,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:38:37,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:38:37,265 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:38:37,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:38:37,266 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:38:37,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:38:37,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:38:37,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:38:37,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:38:37,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:38:37,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:38:37,272 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:38:37,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:38:37,274 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:38:37,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:38:37,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:38:37,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:38:37,278 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:38:37,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:38:37,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:38:37,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:38:37,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:38:37,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:38:37,281 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:38:37,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:38:37,282 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:38:37,282 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 -> f022e969c9202fe0513d5e38b112fd83f4870563 [2019-11-27 15:38:37,893 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:38:37,926 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:38:37,933 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:38:37,938 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:38:37,939 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:38:37,940 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-tiling/skipped.c [2019-11-27 15:38:38,102 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7040cead0/6fa2544bb0054e63a66f3abc2bf66e93/FLAG560cd8463 [2019-11-27 15:38:39,183 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:38:39,185 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/skipped.c [2019-11-27 15:38:39,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7040cead0/6fa2544bb0054e63a66f3abc2bf66e93/FLAG560cd8463 [2019-11-27 15:38:39,238 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7040cead0/6fa2544bb0054e63a66f3abc2bf66e93 [2019-11-27 15:38:39,246 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:38:39,250 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:38:39,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:39,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:38:39,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:38:39,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:39" (1/1) ... [2019-11-27 15:38:39,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e5d695 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 15:38:39,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:39" (1/1) ... [2019-11-27 15:38:39,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:38:39,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:38:39,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:39,808 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:38:39,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:39,959 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:38:39,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:39 WrapperNode [2019-11-27 15:38:39,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:39,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:39,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:38:39,961 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:38:39,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:39" (1/1) ... [2019-11-27 15:38:40,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:39" (1/1) ... [2019-11-27 15:38:40,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:40,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:38:40,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:38:40,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:38:40,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:39" (1/1) ... [2019-11-27 15:38:40,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:39" (1/1) ... [2019-11-27 15:38:40,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:39" (1/1) ... [2019-11-27 15:38:40,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:39" (1/1) ... [2019-11-27 15:38:40,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:39" (1/1) ... [2019-11-27 15:38:40,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:39" (1/1) ... [2019-11-27 15:38:40,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:39" (1/1) ... [2019-11-27 15:38:40,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:38:40,161 INFO L168 Benchmark]: Toolchain (without parser) took 904.79 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 15:38:40,176 INFO L168 Benchmark]: CDTParser took 0.38 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 15:38:40,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.81 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 15:38:40,185 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.00 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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 15:38:40,186 INFO L168 Benchmark]: Boogie Preprocessor took 66.81 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 15:38:40,198 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 703.81 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 125.00 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 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 66.81 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 15:38:44,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:38:44,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:38:44,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:38:44,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:38:44,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:38:44,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:38:44,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:38:44,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:38:44,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:38:44,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:38:44,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:38:44,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:38:44,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:38:44,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:38:44,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:38:44,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:38:44,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:38:44,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:38:44,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:38:44,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:38:44,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:38:44,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:38:44,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:38:44,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:38:44,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:38:44,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:38:44,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:38:44,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:38:44,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:38:44,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:38:44,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:38:44,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:38:44,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:38:44,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:38:44,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:38:44,238 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:38:44,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:38:44,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:38:44,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:38:44,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:38:44,247 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:38:44,292 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:38:44,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:38:44,299 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:38:44,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:38:44,299 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:38:44,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:38:44,302 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:38:44,302 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:38:44,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:38:44,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:38:44,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:38:44,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:38:44,307 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:38:44,308 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:38:44,308 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:38:44,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:38:44,309 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:38:44,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:38:44,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:38:44,310 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:38:44,312 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:38:44,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:38:44,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:38:44,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:38:44,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:38:44,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:38:44,314 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:38:44,315 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:38:44,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:38:44,315 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:38:44,317 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 -> f022e969c9202fe0513d5e38b112fd83f4870563 [2019-11-27 15:38:44,932 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:38:44,969 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:38:44,976 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:38:44,984 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:38:44,985 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:38:44,987 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-tiling/skipped.c [2019-11-27 15:38:45,147 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3bfdda00/d615ac41d92a4b11a6e0ee5e162ca640/FLAGac86bf5c1 [2019-11-27 15:38:46,202 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:38:46,203 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-tiling/skipped.c [2019-11-27 15:38:46,219 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3bfdda00/d615ac41d92a4b11a6e0ee5e162ca640/FLAGac86bf5c1 [2019-11-27 15:38:46,258 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3bfdda00/d615ac41d92a4b11a6e0ee5e162ca640 [2019-11-27 15:38:46,265 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:38:46,270 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:38:46,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:46,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:38:46,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:38:46,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:46" (1/1) ... [2019-11-27 15:38:46,296 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 03:38:46, skipping insertion in model container [2019-11-27 15:38:46,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:38:46" (1/1) ... [2019-11-27 15:38:46,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:38:46,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:38:46,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:46,834 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:38:46,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:38:47,007 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:38:47,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:38:47 WrapperNode [2019-11-27 15:38:47,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:38:47,009 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:47,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:38:47,009 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:38:47,020 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 15:38:47,054 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 15:38:47,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:38:47,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:38:47,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:38:47,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:38:47,103 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 15:38:47,103 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 15:38:47,109 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 15:38:47,109 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 15:38:47,137 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 15:38:47,148 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 15:38:47,158 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 15:38:47,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:38:47,171 INFO L168 Benchmark]: Toolchain (without parser) took 899.53 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 15:38:47,173 INFO L168 Benchmark]: CDTParser took 2.07 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 15:38:47,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 732.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 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 15:38:47,178 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.42 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 15:38:47,179 INFO L168 Benchmark]: Boogie Preprocessor took 71.28 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 15:38:47,186 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.07 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 732.30 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 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 83.42 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 71.28 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...