./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/simple_4-1.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/loop-acceleration/simple_4-1.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 25d972cb349c5af99cfef352c3154b91effe5f65 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/loop-acceleration/simple_4-1.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 25d972cb349c5af99cfef352c3154b91effe5f65 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:13:09,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:13:09,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:13:09,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:13:09,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:13:09,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:13:09,192 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:13:09,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:13:09,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:13:09,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:13:09,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:13:09,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:13:09,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:13:09,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:13:09,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:13:09,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:13:09,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:13:09,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:13:09,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:13:09,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:13:09,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:13:09,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:13:09,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:13:09,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:13:09,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:13:09,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:13:09,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:13:09,290 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:13:09,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:13:09,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:13:09,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:13:09,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:13:09,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:13:09,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:13:09,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:13:09,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:13:09,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:13:09,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:13:09,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:13:09,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:13:09,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:13:09,314 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:13:09,368 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:13:09,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:13:09,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:13:09,380 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:13:09,380 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:13:09,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:13:09,381 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:13:09,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:13:09,383 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:13:09,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:13:09,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:13:09,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:13:09,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:13:09,387 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:13:09,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:13:09,387 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:13:09,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:13:09,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:13:09,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:13:09,391 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:13:09,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:13:09,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:13:09,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:13:09,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:13:09,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:13:09,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:13:09,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:13:09,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:13:09,398 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 -> 25d972cb349c5af99cfef352c3154b91effe5f65 [2019-11-27 16:13:09,933 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:09,963 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:09,972 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:09,976 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:09,980 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:09,982 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/simple_4-1.c [2019-11-27 16:13:10,143 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b3b3e91b/a884d60e572742c49beb56b6c8d74573/FLAG8be16a381 [2019-11-27 16:13:11,195 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:13:11,197 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/simple_4-1.c [2019-11-27 16:13:11,212 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b3b3e91b/a884d60e572742c49beb56b6c8d74573/FLAG8be16a381 [2019-11-27 16:13:11,250 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b3b3e91b/a884d60e572742c49beb56b6c8d74573 [2019-11-27 16:13:11,255 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:11,257 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:11,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:11,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:11,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:11,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5734e45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11, skipping insertion in model container [2019-11-27 16:13:11,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:11,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:11,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:11,749 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:11,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:11,790 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:11,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11 WrapperNode [2019-11-27 16:13:11,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:11,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:11,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:11,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:11,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,811 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:11,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:11,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:11,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:11,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:11" (1/1) ... [2019-11-27 16:13:11,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:13:11,996 INFO L168 Benchmark]: Toolchain (without parser) took 736.75 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 16:13:11,998 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:12,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 524.43 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 16:13:12,018 INFO L168 Benchmark]: Boogie Procedure Inliner took 147.64 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 16:13:12,021 INFO L168 Benchmark]: Boogie Preprocessor took 49.33 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 16:13:12,035 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 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 524.43 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 147.64 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 49.33 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:13:16,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:13:16,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:13:16,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:13:16,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:13:16,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:13:16,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:13:16,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:13:16,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:13:16,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:13:16,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:13:16,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:13:16,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:13:16,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:13:16,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:13:16,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:13:16,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:13:16,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:13:16,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:13:16,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:13:16,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:13:16,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:13:16,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:13:16,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:13:16,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:13:16,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:13:16,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:13:16,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:13:16,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:13:16,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:13:16,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:13:16,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:13:16,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:13:16,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:13:16,268 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:13:16,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:13:16,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:13:16,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:13:16,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:13:16,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:13:16,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:13:16,280 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:13:16,322 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:13:16,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:13:16,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:13:16,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:13:16,330 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:13:16,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:13:16,332 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:13:16,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:13:16,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:13:16,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:13:16,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:13:16,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:13:16,337 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:13:16,337 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:13:16,338 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:13:16,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:13:16,339 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:13:16,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:13:16,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:13:16,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:13:16,342 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:13:16,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:13:16,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:13:16,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:13:16,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:13:16,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:13:16,347 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:13:16,347 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:13:16,348 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:13:16,348 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:13:16,349 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 -> 25d972cb349c5af99cfef352c3154b91effe5f65 [2019-11-27 16:13:16,963 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:13:16,993 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:13:17,000 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:13:17,006 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:13:17,009 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:13:17,011 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/simple_4-1.c [2019-11-27 16:13:17,175 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcad768ee/e86365eb812b4f73978ac2184de59ad8/FLAG80adc4d19 [2019-11-27 16:13:18,236 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:13:18,239 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/simple_4-1.c [2019-11-27 16:13:18,255 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcad768ee/e86365eb812b4f73978ac2184de59ad8/FLAG80adc4d19 [2019-11-27 16:13:18,291 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcad768ee/e86365eb812b4f73978ac2184de59ad8 [2019-11-27 16:13:18,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:13:18,305 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:13:18,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:18,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:13:18,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:13:18,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:18,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e4d0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18, skipping insertion in model container [2019-11-27 16:13:18,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:18,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:13:18,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:13:18,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:18,825 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:13:18,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:13:18,898 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:13:18,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18 WrapperNode [2019-11-27 16:13:18,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:13:18,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:18,907 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:13:18,907 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:13:18,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:19,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:19,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:13:19,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:13:19,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:13:19,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:13:19,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:19,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:19,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:19,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:19,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:19,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:19,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:13:18" (1/1) ... [2019-11-27 16:13:19,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:13:19,138 INFO L168 Benchmark]: Toolchain (without parser) took 831.41 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:19,155 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:19,157 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.39 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 16:13:19,161 INFO L168 Benchmark]: Boogie Procedure Inliner took 186.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 16:13:19,164 INFO L168 Benchmark]: Boogie Preprocessor took 40.01 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:13:19,177 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 596.39 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 186.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.3 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 40.01 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...