./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.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-floats-scientific-comp/loop1-2.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 264bfe6ed9d94f386b1000d33074dec83a5848c5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-floats-scientific-comp/loop1-2.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 264bfe6ed9d94f386b1000d33074dec83a5848c5 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:53:16,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:53:16,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:53:16,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:53:16,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:53:16,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:53:16,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:53:16,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:53:16,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:53:16,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:53:16,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:53:16,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:53:16,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:53:16,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:53:16,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:53:16,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:53:16,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:53:16,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:53:16,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:53:16,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:53:16,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:53:16,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:53:16,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:53:16,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:53:16,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:53:16,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:53:16,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:53:16,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:53:16,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:53:16,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:53:16,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:53:16,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:53:16,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:53:16,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:53:16,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:53:16,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:53:16,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:53:16,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:53:16,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:53:16,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:53:16,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:53:16,228 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:53:16,282 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:53:16,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:53:16,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:53:16,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:53:16,290 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:53:16,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:53:16,291 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:53:16,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:53:16,292 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:53:16,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:53:16,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:53:16,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:53:16,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:53:16,295 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:53:16,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:53:16,299 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:53:16,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:53:16,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:53:16,300 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:53:16,300 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:53:16,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:53:16,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:53:16,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:53:16,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:53:16,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:53:16,302 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:53:16,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:53:16,306 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:53:16,307 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 -> 264bfe6ed9d94f386b1000d33074dec83a5848c5 [2019-11-25 22:53:16,821 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:53:16,845 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:53:16,855 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:53:16,857 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:53:16,857 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:53:16,859 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c [2019-11-25 22:53:17,013 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eee09ed4b/8f1a91a3f1b7494d8bc4557cb6d2a9ee/FLAG8a05cdb08 [2019-11-25 22:53:17,992 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:53:17,993 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c [2019-11-25 22:53:18,006 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eee09ed4b/8f1a91a3f1b7494d8bc4557cb6d2a9ee/FLAG8a05cdb08 [2019-11-25 22:53:18,279 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eee09ed4b/8f1a91a3f1b7494d8bc4557cb6d2a9ee [2019-11-25 22:53:18,288 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:53:18,294 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:53:18,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:53:18,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:53:18,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:53:18,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:53:18" (1/1) ... [2019-11-25 22:53:18,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff3520c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:18, skipping insertion in model container [2019-11-25 22:53:18,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:53:18" (1/1) ... [2019-11-25 22:53:18,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:53:18,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:53:18,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:53:18,838 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:53:18,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:53:18,918 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:53:18,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:18 WrapperNode [2019-11-25 22:53:18,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:53:18,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:53:18,924 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:53:18,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:53:19,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:18" (1/1) ... [2019-11-25 22:53:19,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:18" (1/1) ... [2019-11-25 22:53:19,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:53:19,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:53:19,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:53:19,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:53:19,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:18" (1/1) ... [2019-11-25 22:53:19,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:18" (1/1) ... [2019-11-25 22:53:19,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:18" (1/1) ... [2019-11-25 22:53:19,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:18" (1/1) ... [2019-11-25 22:53:19,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:18" (1/1) ... [2019-11-25 22:53:19,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:18" (1/1) ... [2019-11-25 22:53:19,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:18" (1/1) ... [2019-11-25 22:53:19,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:53:19,155 INFO L168 Benchmark]: Toolchain (without parser) took 862.14 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. [2019-11-25 22:53:19,171 INFO L168 Benchmark]: CDTParser took 2.50 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 22:53:19,174 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.35 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 22:53:19,177 INFO L168 Benchmark]: Boogie Procedure Inliner took 175.53 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-25 22:53:19,180 INFO L168 Benchmark]: Boogie Preprocessor took 49.84 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. [2019-11-25 22:53:19,192 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.50 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 626.35 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 175.53 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 997.0 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 49.84 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 0.1.24-65d6cd2 [2019-11-25 22:53:23,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:53:23,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:53:23,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:53:23,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:53:23,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:53:23,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:53:23,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:53:23,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:53:23,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:53:23,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:53:23,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:53:23,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:53:23,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:53:23,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:53:23,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:53:23,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:53:23,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:53:23,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:53:23,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:53:23,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:53:23,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:53:23,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:53:23,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:53:23,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:53:23,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:53:23,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:53:23,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:53:23,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:53:23,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:53:23,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:53:23,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:53:23,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:53:23,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:53:23,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:53:23,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:53:23,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:53:23,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:53:23,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:53:23,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:53:23,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:53:23,300 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:53:23,328 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:53:23,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:53:23,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:53:23,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:53:23,333 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:53:23,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:53:23,334 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:53:23,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:53:23,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:53:23,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:53:23,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:53:23,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:53:23,337 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:53:23,337 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:53:23,338 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:53:23,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:53:23,341 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:53:23,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:53:23,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:53:23,341 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:53:23,342 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:53:23,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:53:23,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:53:23,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:53:23,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:53:23,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:53:23,343 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:53:23,343 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:53:23,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:53:23,343 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:53:23,344 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 -> 264bfe6ed9d94f386b1000d33074dec83a5848c5 [2019-11-25 22:53:23,748 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:53:23,763 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:53:23,769 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:53:23,773 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:53:23,773 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:53:23,775 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c [2019-11-25 22:53:23,884 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/324005d4a/8f82569e1f2d4243a581025493a64cde/FLAGbabce0248 [2019-11-25 22:53:24,793 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:53:24,794 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-floats-scientific-comp/loop1-2.c [2019-11-25 22:53:24,810 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/324005d4a/8f82569e1f2d4243a581025493a64cde/FLAGbabce0248 [2019-11-25 22:53:25,011 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/324005d4a/8f82569e1f2d4243a581025493a64cde [2019-11-25 22:53:25,027 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:53:25,033 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:53:25,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:53:25,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:53:25,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:53:25,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:53:25" (1/1) ... [2019-11-25 22:53:25,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f182920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:25, skipping insertion in model container [2019-11-25 22:53:25,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:53:25" (1/1) ... [2019-11-25 22:53:25,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:53:25,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:53:25,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:53:25,581 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:53:25,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:53:25,649 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:53:25,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:25 WrapperNode [2019-11-25 22:53:25,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:53:25,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:53:25,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:53:25,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:53:25,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:25" (1/1) ... [2019-11-25 22:53:25,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:25" (1/1) ... [2019-11-25 22:53:25,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:53:25,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:53:25,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:53:25,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:53:25,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:25" (1/1) ... [2019-11-25 22:53:25,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:25" (1/1) ... [2019-11-25 22:53:25,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:25" (1/1) ... [2019-11-25 22:53:25,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:25" (1/1) ... [2019-11-25 22:53:25,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:25" (1/1) ... [2019-11-25 22:53:25,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:25" (1/1) ... [2019-11-25 22:53:25,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:25" (1/1) ... [2019-11-25 22:53:25,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:53:25,892 INFO L168 Benchmark]: Toolchain (without parser) took 853.10 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: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:53:25,909 INFO L168 Benchmark]: CDTParser took 0.24 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 22:53:25,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 616.16 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:53:25,916 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 996.9 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. [2019-11-25 22:53:25,918 INFO L168 Benchmark]: Boogie Preprocessor took 68.68 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:53:25,930 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 616.16 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.1 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 156.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.1 MB in the beginning and 996.9 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 68.68 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...