./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-floats-scientific-comp/loop3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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/loop3.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 16de9293a0e84e3b3a329f13e1e1507a400214f0 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/loop3.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 16de9293a0e84e3b3a329f13e1e1507a400214f0 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:01:04,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:04,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:04,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:04,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:04,329 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:04,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:04,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:04,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:04,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:04,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:04,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:04,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:04,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:04,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:04,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:04,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:04,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:04,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:04,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:04,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:04,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:04,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:04,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:04,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:04,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:04,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:04,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:04,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:04,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:04,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:04,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:04,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:04,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:04,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:04,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:04,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:04,458 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:04,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:04,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:04,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:04,466 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:01:04,511 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:04,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:04,518 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:04,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:04,519 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:04,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:04,522 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:04,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:01:04,523 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:04,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:04,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:04,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:04,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:04,526 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:04,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:04,527 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:04,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:04,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:04,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:04,530 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:04,530 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:04,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:04,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:04,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:04,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:04,533 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:01:04,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:01:04,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:04,535 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 -> 16de9293a0e84e3b3a329f13e1e1507a400214f0 [2019-11-26 17:01:05,089 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:05,120 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:05,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:05,133 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:05,134 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:05,135 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-floats-scientific-comp/loop3.c [2019-11-26 17:01:05,301 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e13bd4273/c8c874b934e943c29941d2e196ae2c59/FLAGe48c48ccf [2019-11-26 17:01:06,356 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:06,359 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-floats-scientific-comp/loop3.c [2019-11-26 17:01:06,375 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e13bd4273/c8c874b934e943c29941d2e196ae2c59/FLAGe48c48ccf [2019-11-26 17:01:06,415 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e13bd4273/c8c874b934e943c29941d2e196ae2c59 [2019-11-26 17:01:06,425 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:06,427 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:06,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:06,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:06,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:06,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:06" (1/1) ... [2019-11-26 17:01:06,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e1e71bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:06, skipping insertion in model container [2019-11-26 17:01:06,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:06" (1/1) ... [2019-11-26 17:01:06,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:06,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:07,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:07,018 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:07,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:07,093 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:07,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:07 WrapperNode [2019-11-26 17:01:07,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:07,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:07,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:07,104 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:07,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:07" (1/1) ... [2019-11-26 17:01:07,220 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:07" (1/1) ... [2019-11-26 17:01:07,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:07,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:07,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:07,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:07,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:07" (1/1) ... [2019-11-26 17:01:07,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:07" (1/1) ... [2019-11-26 17:01:07,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:07" (1/1) ... [2019-11-26 17:01:07,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:07" (1/1) ... [2019-11-26 17:01:07,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:07" (1/1) ... [2019-11-26 17:01:07,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:07" (1/1) ... [2019-11-26 17:01:07,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:07" (1/1) ... [2019-11-26 17:01:07,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:07,348 INFO L168 Benchmark]: Toolchain (without parser) took 915.83 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. [2019-11-26 17:01:07,349 INFO L168 Benchmark]: CDTParser took 2.48 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. [2019-11-26 17:01:07,355 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.67 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:07,356 INFO L168 Benchmark]: Boogie Procedure Inliner took 171.80 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:07,360 INFO L168 Benchmark]: Boogie Preprocessor took 65.31 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. [2019-11-26 17:01:07,368 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.48 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 663.67 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.8 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 171.80 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 997.0 MB in the end (delta: -48.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 65.31 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 0.1.24-025d5a2 [2019-11-26 17:01:11,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:01:11,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:01:11,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:01:11,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:01:11,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:01:11,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:01:11,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:01:11,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:01:11,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:01:11,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:01:11,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:01:11,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:01:11,268 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:01:11,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:01:11,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:01:11,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:01:11,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:01:11,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:01:11,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:01:11,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:01:11,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:01:11,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:01:11,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:01:11,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:01:11,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:01:11,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:01:11,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:01:11,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:01:11,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:01:11,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:01:11,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:01:11,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:01:11,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:01:11,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:01:11,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:01:11,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:01:11,349 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:01:11,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:01:11,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:01:11,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:01:11,358 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:01:11,396 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:01:11,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:01:11,402 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:01:11,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:01:11,404 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:01:11,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:01:11,407 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:01:11,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:01:11,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:01:11,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:01:11,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:01:11,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:01:11,410 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:01:11,412 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:01:11,412 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:01:11,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:01:11,413 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:01:11,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:01:11,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:01:11,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:01:11,417 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:01:11,417 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:01:11,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:01:11,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:01:11,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:01:11,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:01:11,419 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:01:11,419 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:01:11,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:01:11,422 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:01:11,423 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 -> 16de9293a0e84e3b3a329f13e1e1507a400214f0 [2019-11-26 17:01:11,988 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:01:12,017 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:01:12,026 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:01:12,029 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:01:12,032 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:01:12,034 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-floats-scientific-comp/loop3.c [2019-11-26 17:01:12,192 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6632081a1/cb506ce2820042039e328d3fa15107f7/FLAG750b1c0bd [2019-11-26 17:01:13,274 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:01:13,275 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-floats-scientific-comp/loop3.c [2019-11-26 17:01:13,291 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6632081a1/cb506ce2820042039e328d3fa15107f7/FLAG750b1c0bd [2019-11-26 17:01:13,330 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6632081a1/cb506ce2820042039e328d3fa15107f7 [2019-11-26 17:01:13,337 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:01:13,347 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:01:13,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:13,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:01:13,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:01:13,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:13" (1/1) ... [2019-11-26 17:01:13,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d4f145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:13, skipping insertion in model container [2019-11-26 17:01:13,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:01:13" (1/1) ... [2019-11-26 17:01:13,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:01:13,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:01:13,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:13,966 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:01:14,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:01:14,151 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:01:14,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:14 WrapperNode [2019-11-26 17:01:14,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:01:14,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:14,162 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:01:14,162 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:01:14,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:14" (1/1) ... [2019-11-26 17:01:14,208 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:14" (1/1) ... [2019-11-26 17:01:14,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:01:14,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:01:14,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:01:14,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:01:14,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:14" (1/1) ... [2019-11-26 17:01:14,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:14" (1/1) ... [2019-11-26 17:01:14,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:14" (1/1) ... [2019-11-26 17:01:14,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:14" (1/1) ... [2019-11-26 17:01:14,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:14" (1/1) ... [2019-11-26 17:01:14,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:14" (1/1) ... [2019-11-26 17:01:14,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:01:14" (1/1) ... [2019-11-26 17:01:14,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:01:14,378 INFO L168 Benchmark]: Toolchain (without parser) took 1026.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.1 MB in the end (delta: -29.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:01:14,379 INFO L168 Benchmark]: CDTParser took 3.17 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. [2019-11-26 17:01:14,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 805.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:14,386 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.26 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. [2019-11-26 17:01:14,387 INFO L168 Benchmark]: Boogie Preprocessor took 104.69 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 17:01:14,401 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.17 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 805.41 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.8 MB in the end (delta: -35.1 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 102.26 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. * Boogie Preprocessor took 104.69 ms. Allocated memory is still 1.0 GB. Free memory was 996.8 MB in the beginning and 991.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...