./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cdfpl/square_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cdfpl/square_3.i -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 57828c11c74ba018eaf70a217208a01187285749 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/floats-cdfpl/square_3.i -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 57828c11c74ba018eaf70a217208a01187285749 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:06:25,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:06:25,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:06:25,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:06:25,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:06:25,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:06:25,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:06:25,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:06:25,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:06:25,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:06:25,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:06:25,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:06:25,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:06:25,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:06:25,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:06:25,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:06:25,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:06:25,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:06:25,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:06:25,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:06:25,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:06:25,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:06:25,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:06:25,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:06:25,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:06:25,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:06:25,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:06:25,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:06:25,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:06:25,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:06:25,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:06:25,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:06:25,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:06:25,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:06:25,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:06:25,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:06:25,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:06:25,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:06:25,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:06:25,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:06:25,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:06:25,423 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:06:25,461 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:06:25,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:06:25,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:06:25,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:06:25,469 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:06:25,471 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:06:25,471 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:06:25,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:06:25,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:06:25,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:06:25,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:06:25,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:06:25,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:06:25,477 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:06:25,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:06:25,479 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:06:25,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:06:25,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:06:25,480 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:06:25,482 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:06:25,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:06:25,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:06:25,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:06:25,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:06:25,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:06:25,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:06:25,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:06:25,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:06:25,488 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 -> 57828c11c74ba018eaf70a217208a01187285749 [2019-11-27 16:06:26,080 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:06:26,112 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:06:26,120 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:06:26,122 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:06:26,127 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:06:26,129 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/square_3.i [2019-11-27 16:06:26,290 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9a9f50a7/9d934c2a72b84392948d2a9c790fd929/FLAG03aad2d60 [2019-11-27 16:06:27,350 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:06:27,356 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/square_3.i [2019-11-27 16:06:27,369 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9a9f50a7/9d934c2a72b84392948d2a9c790fd929/FLAG03aad2d60 [2019-11-27 16:06:27,623 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9a9f50a7/9d934c2a72b84392948d2a9c790fd929 [2019-11-27 16:06:27,628 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:06:27,632 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:06:27,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:27,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:06:27,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:06:27,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:27" (1/1) ... [2019-11-27 16:06:27,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35365046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:27, skipping insertion in model container [2019-11-27 16:06:27,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:27" (1/1) ... [2019-11-27 16:06:27,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:06:27,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:06:28,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:28,104 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:06:28,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:28,187 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:06:28,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:28 WrapperNode [2019-11-27 16:06:28,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:28,193 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:28,193 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:06:28,193 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:06:28,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:28" (1/1) ... [2019-11-27 16:06:28,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:28" (1/1) ... [2019-11-27 16:06:28,358 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:28,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:06:28,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:06:28,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:06:28,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:28" (1/1) ... [2019-11-27 16:06:28,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:28" (1/1) ... [2019-11-27 16:06:28,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:28" (1/1) ... [2019-11-27 16:06:28,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:28" (1/1) ... [2019-11-27 16:06:28,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:28" (1/1) ... [2019-11-27 16:06:28,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:28" (1/1) ... [2019-11-27 16:06:28,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:28" (1/1) ... [2019-11-27 16:06:28,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:06:28,421 INFO L168 Benchmark]: Toolchain (without parser) took 772.74 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 991.4 MB in the end (delta: -24.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:06:28,423 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. [2019-11-27 16:06:28,427 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.41 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:28,429 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.72 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 997.1 MB in the end (delta: -41.2 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:28,434 INFO L168 Benchmark]: Boogie Preprocessor took 40.74 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:28,446 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 555.41 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 167.72 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 997.1 MB in the end (delta: -41.2 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 40.74 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 MB in the beginning and 991.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:06:32,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:06:32,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:06:32,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:06:32,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:06:32,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:06:32,298 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:06:32,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:06:32,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:06:32,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:06:32,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:06:32,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:06:32,333 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:06:32,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:06:32,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:06:32,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:06:32,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:06:32,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:06:32,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:06:32,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:06:32,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:06:32,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:06:32,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:06:32,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:06:32,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:06:32,397 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:06:32,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:06:32,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:06:32,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:06:32,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:06:32,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:06:32,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:06:32,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:06:32,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:06:32,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:06:32,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:06:32,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:06:32,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:06:32,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:06:32,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:06:32,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:06:32,427 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:06:32,464 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:06:32,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:06:32,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:06:32,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:06:32,471 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:06:32,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:06:32,473 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:06:32,473 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:06:32,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:06:32,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:06:32,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:06:32,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:06:32,478 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:06:32,479 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:06:32,479 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:06:32,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:06:32,481 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:06:32,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:06:32,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:06:32,483 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:06:32,483 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:06:32,483 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:06:32,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:06:32,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:06:32,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:06:32,489 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:06:32,489 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:06:32,490 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:06:32,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:06:32,490 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:06:32,492 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 -> 57828c11c74ba018eaf70a217208a01187285749 [2019-11-27 16:06:33,042 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:06:33,069 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:06:33,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:06:33,083 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:06:33,083 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:06:33,085 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/square_3.i [2019-11-27 16:06:33,246 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b934e5aa4/67748ce9626641969de526537626fd92/FLAG90cb465e0 [2019-11-27 16:06:34,272 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:06:34,273 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/square_3.i [2019-11-27 16:06:34,289 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b934e5aa4/67748ce9626641969de526537626fd92/FLAG90cb465e0 [2019-11-27 16:06:34,327 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b934e5aa4/67748ce9626641969de526537626fd92 [2019-11-27 16:06:34,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:06:34,341 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:06:34,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:34,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:06:34,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:06:34,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:34" (1/1) ... [2019-11-27 16:06:34,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1041276a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:34, skipping insertion in model container [2019-11-27 16:06:34,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:06:34" (1/1) ... [2019-11-27 16:06:34,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:06:34,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:06:34,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:34,867 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:06:34,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:06:34,929 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:06:34,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:34 WrapperNode [2019-11-27 16:06:34,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:06:34,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:34,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:06:34,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:06:34,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:34" (1/1) ... [2019-11-27 16:06:35,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:34" (1/1) ... [2019-11-27 16:06:35,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:06:35,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:06:35,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:06:35,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:06:35,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:34" (1/1) ... [2019-11-27 16:06:35,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:34" (1/1) ... [2019-11-27 16:06:35,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:34" (1/1) ... [2019-11-27 16:06:35,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:34" (1/1) ... [2019-11-27 16:06:35,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:34" (1/1) ... [2019-11-27 16:06:35,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:34" (1/1) ... [2019-11-27 16:06:35,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:06:34" (1/1) ... [2019-11-27 16:06:35,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:06:35,233 INFO L168 Benchmark]: Toolchain (without parser) took 886.14 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:06:35,236 INFO L168 Benchmark]: CDTParser took 2.79 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:06:35,241 INFO L168 Benchmark]: CACSL2BoogieTranslator took 584.98 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 950.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:35,243 INFO L168 Benchmark]: Boogie Procedure Inliner took 205.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.2 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:06:35,246 INFO L168 Benchmark]: Boogie Preprocessor took 79.62 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:06:35,257 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.79 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 584.98 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 205.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 991.2 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 79.62 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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...