./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cdfpl/square_2.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_2.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 30af8e98893bfcc9c7b0879f6e0cde9a5cbf7714 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_2.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 30af8e98893bfcc9c7b0879f6e0cde9a5cbf7714 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:49:32,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:49:32,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:49:32,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:49:32,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:49:32,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:49:32,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:49:32,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:49:32,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:49:32,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:49:32,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:49:32,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:49:32,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:49:32,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:49:32,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:49:32,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:49:32,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:49:32,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:49:32,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:49:32,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:49:32,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:49:32,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:49:32,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:49:32,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:49:32,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:49:32,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:49:32,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:49:32,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:49:32,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:49:32,443 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:49:32,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:49:32,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:49:32,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:49:32,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:49:32,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:49:32,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:49:32,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:49:32,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:49:32,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:49:32,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:49:32,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:49:32,467 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:49:32,511 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:49:32,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:49:32,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:49:32,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:49:32,518 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:49:32,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:49:32,521 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:49:32,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:49:32,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:49:32,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:49:32,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:49:32,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:49:32,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:49:32,527 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:49:32,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:49:32,528 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:49:32,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:49:32,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:49:32,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:49:32,531 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:49:32,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:49:32,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:49:32,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:49:32,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:49:32,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:49:32,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:49:32,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:49:32,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:49:32,536 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 -> 30af8e98893bfcc9c7b0879f6e0cde9a5cbf7714 [2019-11-25 22:49:33,170 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:49:33,198 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:49:33,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:49:33,209 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:49:33,211 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:49:33,212 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/square_2.i [2019-11-25 22:49:33,380 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed5eaf4d3/09aa7e5f84f74fb59b25b97254077977/FLAG72893ff53 [2019-11-25 22:49:34,485 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:49:34,489 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/square_2.i [2019-11-25 22:49:34,510 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed5eaf4d3/09aa7e5f84f74fb59b25b97254077977/FLAG72893ff53 [2019-11-25 22:49:34,554 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed5eaf4d3/09aa7e5f84f74fb59b25b97254077977 [2019-11-25 22:49:34,564 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:49:34,566 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:49:34,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:49:34,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:49:34,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:49:34,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:49:34" (1/1) ... [2019-11-25 22:49:34,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a729642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:34, skipping insertion in model container [2019-11-25 22:49:34,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:49:34" (1/1) ... [2019-11-25 22:49:34,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:49:34,665 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:49:35,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:49:35,115 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:49:35,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:49:35,159 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:49:35,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:35 WrapperNode [2019-11-25 22:49:35,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:49:35,169 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:49:35,169 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:49:35,176 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:49:35,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:35" (1/1) ... [2019-11-25 22:49:35,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:35" (1/1) ... [2019-11-25 22:49:35,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:49:35,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:49:35,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:49:35,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:49:35,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:35" (1/1) ... [2019-11-25 22:49:35,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:35" (1/1) ... [2019-11-25 22:49:35,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:35" (1/1) ... [2019-11-25 22:49:35,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:35" (1/1) ... [2019-11-25 22:49:35,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:35" (1/1) ... [2019-11-25 22:49:35,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:35" (1/1) ... [2019-11-25 22:49:35,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:35" (1/1) ... [2019-11-25 22:49:35,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:49:35,394 INFO L168 Benchmark]: Toolchain (without parser) took 823.36 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. [2019-11-25 22:49:35,397 INFO L168 Benchmark]: CDTParser took 3.32 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:49:35,411 INFO L168 Benchmark]: CACSL2BoogieTranslator took 591.11 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:49:35,416 INFO L168 Benchmark]: Boogie Procedure Inliner took 181.77 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. [2019-11-25 22:49:35,419 INFO L168 Benchmark]: Boogie Preprocessor took 35.89 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. [2019-11-25 22:49:35,430 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.32 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 591.11 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 181.77 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 35.89 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 0.1.24-65d6cd2 [2019-11-25 22:49:39,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:49:39,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:49:39,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:49:39,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:49:39,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:49:39,391 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:49:39,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:49:39,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:49:39,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:49:39,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:49:39,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:49:39,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:49:39,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:49:39,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:49:39,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:49:39,453 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:49:39,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:49:39,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:49:39,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:49:39,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:49:39,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:49:39,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:49:39,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:49:39,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:49:39,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:49:39,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:49:39,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:49:39,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:49:39,517 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:49:39,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:49:39,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:49:39,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:49:39,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:49:39,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:49:39,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:49:39,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:49:39,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:49:39,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:49:39,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:49:39,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:49:39,543 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:49:39,585 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:49:39,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:49:39,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:49:39,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:49:39,593 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:49:39,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:49:39,594 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:49:39,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:49:39,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:49:39,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:49:39,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:49:39,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:49:39,600 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:49:39,601 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:49:39,601 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:49:39,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:49:39,603 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:49:39,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:49:39,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:49:39,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:49:39,607 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:49:39,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:49:39,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:49:39,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:49:39,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:49:39,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:49:39,609 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:49:39,610 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:49:39,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:49:39,611 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:49:39,612 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 -> 30af8e98893bfcc9c7b0879f6e0cde9a5cbf7714 [2019-11-25 22:49:40,237 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:49:40,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:49:40,279 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:49:40,284 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:49:40,287 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:49:40,289 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/square_2.i [2019-11-25 22:49:40,452 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d33b1fedf/dba20ca84e6c4a8284ed634d4dd882e2/FLAG999d43bc2 [2019-11-25 22:49:41,564 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:49:41,569 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/square_2.i [2019-11-25 22:49:41,584 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d33b1fedf/dba20ca84e6c4a8284ed634d4dd882e2/FLAG999d43bc2 [2019-11-25 22:49:41,621 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d33b1fedf/dba20ca84e6c4a8284ed634d4dd882e2 [2019-11-25 22:49:41,629 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:49:41,636 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:49:41,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:49:41,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:49:41,650 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:49:41,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:49:41" (1/1) ... [2019-11-25 22:49:41,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12219ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:41, skipping insertion in model container [2019-11-25 22:49:41,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:49:41" (1/1) ... [2019-11-25 22:49:41,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:49:41,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:49:42,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:49:42,221 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:49:42,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:49:42,308 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:49:42,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:42 WrapperNode [2019-11-25 22:49:42,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:49:42,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:49:42,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:49:42,318 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:49:42,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:42" (1/1) ... [2019-11-25 22:49:42,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:42" (1/1) ... [2019-11-25 22:49:42,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:49:42,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:49:42,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:49:42,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:49:42,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:42" (1/1) ... [2019-11-25 22:49:42,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:42" (1/1) ... [2019-11-25 22:49:42,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:42" (1/1) ... [2019-11-25 22:49:42,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:42" (1/1) ... [2019-11-25 22:49:42,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:42" (1/1) ... [2019-11-25 22:49:42,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:42" (1/1) ... [2019-11-25 22:49:42,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:49:42" (1/1) ... [2019-11-25 22:49:42,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:49:42,560 INFO L168 Benchmark]: Toolchain (without parser) took 921.09 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 991.2 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:49:42,562 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:49:42,577 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.25 ms. Allocated memory is still 1.0 GB. Free memory was 967.4 MB in the beginning and 956.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:49:42,582 INFO L168 Benchmark]: Boogie Procedure Inliner took 179.72 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 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:49:42,585 INFO L168 Benchmark]: Boogie Preprocessor took 55.06 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 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 22:49:42,597 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 670.25 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 179.72 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 997.0 MB in the end (delta: -41.0 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 55.06 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 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...