./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/functions_1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-acceleration/functions_1-1.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 f0ae8481cb7d66387a2e77b5a671f790dc346fc7 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/functions_1-1.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 f0ae8481cb7d66387a2e77b5a671f790dc346fc7 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:51:14,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:51:14,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:51:14,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:51:14,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:51:14,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:51:14,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:51:14,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:51:14,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:51:14,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:51:14,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:51:14,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:51:14,210 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:51:14,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:51:14,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:51:14,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:51:14,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:51:14,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:51:14,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:51:14,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:51:14,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:51:14,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:51:14,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:51:14,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:51:14,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:51:14,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:51:14,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:51:14,268 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:51:14,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:51:14,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:51:14,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:51:14,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:51:14,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:51:14,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:51:14,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:51:14,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:51:14,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:51:14,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:51:14,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:51:14,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:51:14,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:51:14,287 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:51:14,324 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:51:14,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:51:14,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:51:14,332 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:51:14,332 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:51:14,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:51:14,335 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:51:14,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:51:14,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:51:14,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:51:14,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:51:14,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:51:14,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:51:14,337 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:51:14,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:51:14,337 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:51:14,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:51:14,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:51:14,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:51:14,340 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:51:14,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:51:14,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:51:14,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:51:14,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:51:14,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:51:14,341 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:51:14,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:51:14,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:51:14,343 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 -> f0ae8481cb7d66387a2e77b5a671f790dc346fc7 [2019-11-27 09:51:14,862 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:51:14,890 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:51:14,900 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:51:14,902 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:51:14,902 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:51:14,903 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/functions_1-1.c [2019-11-27 09:51:15,054 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3c1aa419/9b166e5c313345e0b27cd0866cb3a751/FLAG9a219e261 [2019-11-27 09:51:16,008 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:51:16,009 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/functions_1-1.c [2019-11-27 09:51:16,026 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3c1aa419/9b166e5c313345e0b27cd0866cb3a751/FLAG9a219e261 [2019-11-27 09:51:16,202 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3c1aa419/9b166e5c313345e0b27cd0866cb3a751 [2019-11-27 09:51:16,210 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:51:16,213 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:51:16,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:16,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:51:16,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:51:16,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:16" (1/1) ... [2019-11-27 09:51:16,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@216a4388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:16, skipping insertion in model container [2019-11-27 09:51:16,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:16" (1/1) ... [2019-11-27 09:51:16,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:51:16,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:51:16,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:16,741 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:51:16,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:16,814 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:51:16,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:16 WrapperNode [2019-11-27 09:51:16,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:16,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:16,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:51:16,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:51:16,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:16" (1/1) ... [2019-11-27 09:51:16,854 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:16" (1/1) ... [2019-11-27 09:51:17,045 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:17,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:51:17,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:51:17,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:51:17,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:16" (1/1) ... [2019-11-27 09:51:17,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:16" (1/1) ... [2019-11-27 09:51:17,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:16" (1/1) ... [2019-11-27 09:51:17,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:16" (1/1) ... [2019-11-27 09:51:17,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:16" (1/1) ... [2019-11-27 09:51:17,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:16" (1/1) ... [2019-11-27 09:51:17,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:16" (1/1) ... [2019-11-27 09:51:17,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:51:17,107 INFO L168 Benchmark]: Toolchain (without parser) took 885.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.3 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:17,109 INFO L168 Benchmark]: CDTParser took 1.26 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:17,111 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.89 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:17,115 INFO L168 Benchmark]: Boogie Procedure Inliner took 227.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.7 MB in the beginning and 997.0 MB in the end (delta: -48.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:17,119 INFO L168 Benchmark]: Boogie Preprocessor took 49.05 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:17,129 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26 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 598.89 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.7 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 227.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.7 MB in the beginning and 997.0 MB in the end (delta: -48.3 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 49.05 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:51:20,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:51:20,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:51:21,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:51:21,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:51:21,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:51:21,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:51:21,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:51:21,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:51:21,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:51:21,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:51:21,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:51:21,055 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:51:21,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:51:21,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:51:21,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:51:21,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:51:21,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:51:21,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:51:21,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:51:21,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:51:21,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:51:21,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:51:21,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:51:21,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:51:21,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:51:21,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:51:21,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:51:21,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:51:21,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:51:21,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:51:21,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:51:21,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:51:21,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:51:21,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:51:21,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:51:21,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:51:21,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:51:21,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:51:21,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:51:21,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:51:21,172 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:51:21,215 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:51:21,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:51:21,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:51:21,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:51:21,221 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:51:21,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:51:21,222 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:51:21,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:51:21,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:51:21,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:51:21,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:51:21,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:51:21,227 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:51:21,227 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:51:21,228 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:51:21,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:51:21,230 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:51:21,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:51:21,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:51:21,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:51:21,231 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:51:21,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:51:21,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:51:21,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:51:21,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:51:21,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:51:21,235 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:51:21,235 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:51:21,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:51:21,236 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:51:21,238 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 -> f0ae8481cb7d66387a2e77b5a671f790dc346fc7 [2019-11-27 09:51:21,843 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:51:21,868 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:51:21,875 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:51:21,878 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:51:21,881 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:51:21,883 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/functions_1-1.c [2019-11-27 09:51:22,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4492b4718/b1be8309f1ef416a894bbcea531aab3c/FLAG5c8116f19 [2019-11-27 09:51:23,023 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:51:23,025 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/functions_1-1.c [2019-11-27 09:51:23,039 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4492b4718/b1be8309f1ef416a894bbcea531aab3c/FLAG5c8116f19 [2019-11-27 09:51:23,077 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4492b4718/b1be8309f1ef416a894bbcea531aab3c [2019-11-27 09:51:23,087 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:51:23,090 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:51:23,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:23,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:51:23,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:51:23,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:23" (1/1) ... [2019-11-27 09:51:23,115 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 09:51:23, skipping insertion in model container [2019-11-27 09:51:23,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:51:23" (1/1) ... [2019-11-27 09:51:23,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:51:23,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:51:23,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:23,594 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:51:23,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:51:23,670 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:51:23,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:23 WrapperNode [2019-11-27 09:51:23,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:51:23,676 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:23,676 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:51:23,676 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:51:23,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:23" (1/1) ... [2019-11-27 09:51:23,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:23" (1/1) ... [2019-11-27 09:51:23,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:51:23,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:51:23,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:51:23,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:51:23,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:23" (1/1) ... [2019-11-27 09:51:23,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:23" (1/1) ... [2019-11-27 09:51:23,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:23" (1/1) ... [2019-11-27 09:51:23,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:23" (1/1) ... [2019-11-27 09:51:23,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:23" (1/1) ... [2019-11-27 09:51:23,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:23" (1/1) ... [2019-11-27 09:51:23,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:51:23" (1/1) ... [2019-11-27 09:51:23,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:51:23,881 INFO L168 Benchmark]: Toolchain (without parser) took 774.08 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 997.0 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:23,883 INFO L168 Benchmark]: CDTParser took 1.08 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 09:51:23,887 INFO L168 Benchmark]: CACSL2BoogieTranslator took 579.33 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:23,889 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-27 09:51:23,893 INFO L168 Benchmark]: Boogie Preprocessor took 35.68 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:51:23,905 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08 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 579.33 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 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 150.09 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 35.68 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 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...