./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cdfpl/square_5.i --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/floats-cdfpl/square_5.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 90d9d5110e72847827a8a4de1ec9da2f4a9a1545 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_5.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 90d9d5110e72847827a8a4de1ec9da2f4a9a1545 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:49:33,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:49:33,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:49:33,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:49:33,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:49:33,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:49:33,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:49:33,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:49:33,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:49:33,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:49:33,307 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:49:33,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:49:33,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:49:33,319 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:49:33,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:49:33,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:49:33,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:49:33,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:49:33,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:49:33,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:49:33,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:49:33,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:49:33,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:49:33,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:49:33,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:49:33,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:49:33,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:49:33,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:49:33,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:49:33,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:49:33,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:49:33,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:49:33,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:49:33,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:49:33,401 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:49:33,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:49:33,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:49:33,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:49:33,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:49:33,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:49:33,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:49:33,416 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:49:33,460 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:49:33,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:49:33,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:49:33,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:49:33,471 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:49:33,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:49:33,472 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:49:33,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:49:33,473 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:49:33,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:49:33,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:49:33,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:49:33,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:49:33,478 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:49:33,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:49:33,479 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:49:33,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:49:33,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:49:33,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:49:33,481 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:49:33,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:49:33,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:49:33,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:49:33,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:49:33,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:49:33,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:49:33,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:49:33,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:49:33,486 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 -> 90d9d5110e72847827a8a4de1ec9da2f4a9a1545 [2019-11-25 22:49:34,117 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:49:34,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:49:34,158 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:49:34,162 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:49:34,163 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:49:34,164 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/square_5.i [2019-11-25 22:49:34,336 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccdc978f9/7cb62e4422f445dcb07bc699a8a9ea63/FLAGff57c983b [2019-11-25 22:49:35,387 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:49:35,390 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/square_5.i [2019-11-25 22:49:35,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccdc978f9/7cb62e4422f445dcb07bc699a8a9ea63/FLAGff57c983b [2019-11-25 22:49:35,446 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccdc978f9/7cb62e4422f445dcb07bc699a8a9ea63 [2019-11-25 22:49:35,453 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:49:35,459 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:49:35,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:49:35,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:49:35,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:49:35,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:49:35" (1/1) ... [2019-11-25 22:49:35,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a9cbb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:35, skipping insertion in model container [2019-11-25 22:49:35,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:49:35" (1/1) ... [2019-11-25 22:49:35,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:49:35,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:49:35,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:49:36,012 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:49:36,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:49:36,100 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:49:36,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:36 WrapperNode [2019-11-25 22:49:36,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:49:36,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:49:36,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:49:36,109 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:49:36,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:36" (1/1) ... [2019-11-25 22:49:36,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:36" (1/1) ... [2019-11-25 22:49:36,287 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:49:36,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:49:36,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:49:36,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:49:36,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:36" (1/1) ... [2019-11-25 22:49:36,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:36" (1/1) ... [2019-11-25 22:49:36,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:36" (1/1) ... [2019-11-25 22:49:36,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:36" (1/1) ... [2019-11-25 22:49:36,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:36" (1/1) ... [2019-11-25 22:49:36,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:36" (1/1) ... [2019-11-25 22:49:36,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:36" (1/1) ... [2019-11-25 22:49:36,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:49:36,365 INFO L168 Benchmark]: Toolchain (without parser) took 899.29 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 22:49:36,369 INFO L168 Benchmark]: CDTParser took 2.66 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 22:49:36,373 INFO L168 Benchmark]: CACSL2BoogieTranslator took 642.99 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 22:49:36,375 INFO L168 Benchmark]: Boogie Procedure Inliner took 185.18 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 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:49:36,379 INFO L168 Benchmark]: Boogie Preprocessor took 61.20 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 22:49:36,390 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.66 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 642.99 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 185.18 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 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 61.20 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 22:49:40,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:49:40,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:49:40,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:49:40,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:49:40,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:49:40,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:49:40,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:49:40,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:49:40,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:49:40,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:49:40,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:49:40,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:49:40,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:49:40,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:49:40,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:49:40,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:49:40,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:49:40,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:49:40,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:49:40,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:49:40,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:49:40,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:49:40,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:49:40,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:49:40,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:49:40,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:49:40,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:49:40,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:49:40,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:49:40,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:49:40,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:49:40,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:49:40,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:49:40,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:49:40,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:49:40,524 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:49:40,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:49:40,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:49:40,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:49:40,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:49:40,534 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:49:40,584 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:49:40,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:49:40,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:49:40,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:49:40,595 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:49:40,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:49:40,596 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:49:40,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:49:40,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:49:40,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:49:40,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:49:40,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:49:40,602 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:49:40,604 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:49:40,605 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:49:40,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:49:40,605 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:49:40,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:49:40,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:49:40,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:49:40,607 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:49:40,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:49:40,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:49:40,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:49:40,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:49:40,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:49:40,612 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:49:40,613 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:49:40,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:49:40,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:49:40,616 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 -> 90d9d5110e72847827a8a4de1ec9da2f4a9a1545 [2019-11-25 22:49:41,205 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:49:41,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:49:41,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:49:41,251 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:49:41,255 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:49:41,257 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/square_5.i [2019-11-25 22:49:41,425 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b2b45821/053f44d09f1d46edbc8c2973260c450f/FLAGccaafad5c [2019-11-25 22:49:42,479 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:49:42,480 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/square_5.i [2019-11-25 22:49:42,494 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b2b45821/053f44d09f1d46edbc8c2973260c450f/FLAGccaafad5c [2019-11-25 22:49:42,532 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b2b45821/053f44d09f1d46edbc8c2973260c450f [2019-11-25 22:49:42,539 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:49:42,548 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:49:42,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:49:42,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:49:42,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:49:42,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:49:42" (1/1) ... [2019-11-25 22:49:42,572 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 25.11 10:49:42, skipping insertion in model container [2019-11-25 22:49:42,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:49:42" (1/1) ... [2019-11-25 22:49:42,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:49:42,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:49:43,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:49:43,093 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:49:43,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:49:43,190 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:49:43,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:43 WrapperNode [2019-11-25 22:49:43,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:49:43,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:49:43,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:49:43,198 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:49:43,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:43" (1/1) ... [2019-11-25 22:49:43,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:43" (1/1) ... [2019-11-25 22:49:43,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:49:43,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:49:43,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:49:43,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:49:43,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:43" (1/1) ... [2019-11-25 22:49:43,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:43" (1/1) ... [2019-11-25 22:49:43,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:43" (1/1) ... [2019-11-25 22:49:43,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:43" (1/1) ... [2019-11-25 22:49:43,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:43" (1/1) ... [2019-11-25 22:49:43,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:43" (1/1) ... [2019-11-25 22:49:43,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:43" (1/1) ... [2019-11-25 22:49:43,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:49:43,481 INFO L168 Benchmark]: Toolchain (without parser) took 930.41 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 991.2 MB in the end (delta: -29.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:49:43,485 INFO L168 Benchmark]: CDTParser took 0.47 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 22:49:43,489 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.74 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 22:49:43,491 INFO L168 Benchmark]: Boogie Procedure Inliner took 189.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:49:43,496 INFO L168 Benchmark]: Boogie Preprocessor took 88.56 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:49:43,509 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 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 643.74 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 189.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 996.9 MB in the end (delta: -46.7 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 88.56 ms. Allocated memory is still 1.0 GB. Free memory was 996.9 MB in the beginning and 991.2 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...