./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/simple_2-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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_2-1.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 d241a4a24d7ed77783d3342cc0956b8336ac1c40 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_2-1.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 d241a4a24d7ed77783d3342cc0956b8336ac1c40 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:56:17,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:56:17,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:56:17,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:56:17,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:56:17,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:56:17,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:56:17,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:56:17,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:56:17,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:56:17,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:56:17,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:56:17,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:56:17,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:56:17,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:56:17,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:56:17,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:56:17,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:56:17,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:56:17,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:56:17,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:56:17,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:56:17,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:56:17,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:56:17,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:56:17,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:56:17,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:56:17,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:56:17,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:56:17,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:56:17,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:56:17,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:56:17,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:56:17,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:56:17,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:56:17,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:56:17,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:56:17,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:56:17,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:56:17,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:56:17,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:56:17,227 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:56:17,268 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:56:17,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:56:17,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:56:17,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:56:17,276 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:56:17,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:56:17,279 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:56:17,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:56:17,279 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:56:17,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:56:17,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:56:17,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:56:17,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:56:17,285 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:56:17,285 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:56:17,286 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:56:17,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:56:17,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:56:17,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:56:17,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:56:17,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:56:17,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:56:17,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:56:17,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:56:17,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:56:17,291 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:56:17,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:56:17,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:56:17,294 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 -> d241a4a24d7ed77783d3342cc0956b8336ac1c40 [2019-11-25 22:56:17,886 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:56:17,920 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:56:17,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:56:17,930 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:56:17,932 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:56:17,936 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/simple_2-1.c [2019-11-25 22:56:18,092 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b581a615/4d6e5c227dd54bdc8d34639ec8aff50c/FLAG486b48f60 [2019-11-25 22:56:19,122 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:56:19,124 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/simple_2-1.c [2019-11-25 22:56:19,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b581a615/4d6e5c227dd54bdc8d34639ec8aff50c/FLAG486b48f60 [2019-11-25 22:56:19,175 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b581a615/4d6e5c227dd54bdc8d34639ec8aff50c [2019-11-25 22:56:19,187 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:56:19,188 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:56:19,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:19,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:56:19,201 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:56:19,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:19" (1/1) ... [2019-11-25 22:56:19,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48265ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:19, skipping insertion in model container [2019-11-25 22:56:19,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:19" (1/1) ... [2019-11-25 22:56:19,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:56:19,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:56:19,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:19,664 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:56:19,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:19,707 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:56:19,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:19 WrapperNode [2019-11-25 22:56:19,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:19,722 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:19,723 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:56:19,723 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:56:19,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:19" (1/1) ... [2019-11-25 22:56:19,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:19" (1/1) ... [2019-11-25 22:56:19,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:19,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:56:19,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:56:19,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:56:19,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:19" (1/1) ... [2019-11-25 22:56:19,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:19" (1/1) ... [2019-11-25 22:56:19,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:19" (1/1) ... [2019-11-25 22:56:19,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:19" (1/1) ... [2019-11-25 22:56:19,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:19" (1/1) ... [2019-11-25 22:56:19,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:19" (1/1) ... [2019-11-25 22:56:19,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:19" (1/1) ... [2019-11-25 22:56:19,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:56:19,951 INFO L168 Benchmark]: Toolchain (without parser) took 743.47 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 996.8 MB in the end (delta: -35.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:56:19,953 INFO L168 Benchmark]: CDTParser took 0.45 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. [2019-11-25 22:56:19,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 521.09 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. [2019-11-25 22:56:19,958 INFO L168 Benchmark]: Boogie Procedure Inliner took 168.13 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. [2019-11-25 22:56:19,962 INFO L168 Benchmark]: Boogie Preprocessor took 38.72 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:56:19,974 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 521.09 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 168.13 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 38.72 ms. Allocated memory is still 1.0 GB. Free memory is still 996.8 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 0.1.24-65d6cd2 [2019-11-25 22:56:23,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:56:23,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:56:23,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:56:23,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:56:23,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:56:23,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:56:23,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:56:23,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:56:23,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:56:23,953 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:56:23,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:56:23,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:56:23,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:56:23,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:56:23,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:56:23,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:56:23,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:56:23,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:56:23,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:56:24,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:56:24,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:56:24,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:56:24,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:56:24,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:56:24,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:56:24,028 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:56:24,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:56:24,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:56:24,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:56:24,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:56:24,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:56:24,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:56:24,043 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:56:24,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:56:24,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:56:24,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:56:24,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:56:24,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:56:24,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:56:24,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:56:24,059 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:56:24,097 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:56:24,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:56:24,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:56:24,105 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:56:24,105 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:56:24,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:56:24,107 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:56:24,107 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:56:24,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:56:24,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:56:24,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:56:24,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:56:24,114 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:56:24,114 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:56:24,115 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:56:24,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:56:24,115 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:56:24,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:56:24,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:56:24,116 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:56:24,119 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:56:24,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:56:24,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:56:24,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:56:24,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:56:24,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:56:24,121 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:56:24,121 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:56:24,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:56:24,124 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:56:24,125 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 -> d241a4a24d7ed77783d3342cc0956b8336ac1c40 [2019-11-25 22:56:24,683 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:56:24,698 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:56:24,705 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:56:24,706 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:56:24,709 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:56:24,710 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/simple_2-1.c [2019-11-25 22:56:24,862 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2415879e2/9108f93fad9c499da77a756742ac49cd/FLAG24b272d6d [2019-11-25 22:56:25,885 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:56:25,887 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/simple_2-1.c [2019-11-25 22:56:25,896 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2415879e2/9108f93fad9c499da77a756742ac49cd/FLAG24b272d6d [2019-11-25 22:56:25,925 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2415879e2/9108f93fad9c499da77a756742ac49cd [2019-11-25 22:56:25,933 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:56:25,935 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:56:25,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:25,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:56:25,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:56:25,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:25" (1/1) ... [2019-11-25 22:56:25,959 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 25.11 10:56:25, skipping insertion in model container [2019-11-25 22:56:25,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:56:25" (1/1) ... [2019-11-25 22:56:25,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:56:26,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:56:26,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:26,368 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:56:26,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:56:26,405 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:56:26,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:26 WrapperNode [2019-11-25 22:56:26,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:56:26,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:26,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:56:26,414 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:56:26,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:26" (1/1) ... [2019-11-25 22:56:26,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:26" (1/1) ... [2019-11-25 22:56:26,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:56:26,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:56:26,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:56:26,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:56:26,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:26" (1/1) ... [2019-11-25 22:56:26,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:26" (1/1) ... [2019-11-25 22:56:26,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:26" (1/1) ... [2019-11-25 22:56:26,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:26" (1/1) ... [2019-11-25 22:56:26,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:26" (1/1) ... [2019-11-25 22:56:26,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:26" (1/1) ... [2019-11-25 22:56:26,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:56:26" (1/1) ... [2019-11-25 22:56:26,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:56:26,584 INFO L168 Benchmark]: Toolchain (without parser) took 630.87 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. [2019-11-25 22:56:26,586 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:56:26,590 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.70 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. [2019-11-25 22:56:26,592 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.92 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. [2019-11-25 22:56:26,593 INFO L168 Benchmark]: Boogie Preprocessor took 27.71 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. [2019-11-25 22:56:26,603 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 469.70 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 121.92 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 27.71 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...