./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/Float_div.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 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-esbmc-regression/Float_div.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 c9c4c4712c0b03f250e94d62f797a284bfa7b46f .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-esbmc-regression/Float_div.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 c9c4c4712c0b03f250e94d62f797a284bfa7b46f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:45:36,399 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:36,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:36,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:36,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:36,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:36,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:36,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:36,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:36,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:36,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:36,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:36,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:36,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:36,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:36,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:36,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:36,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:36,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:36,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:36,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:36,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:36,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:36,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:36,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:36,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:36,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:36,507 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:36,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:36,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:36,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:36,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:36,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:36,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:36,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:36,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:36,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:36,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:36,519 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:36,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:36,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:36,523 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:45:36,550 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:36,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:36,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:36,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:36,557 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:36,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:36,559 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:36,559 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:45:36,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:36,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:36,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:36,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:36,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:36,564 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:36,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:36,565 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:36,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:36,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:36,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:36,566 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:36,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:36,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:36,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:36,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:36,567 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:36,567 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:45:36,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:45:36,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:36,569 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 -> c9c4c4712c0b03f250e94d62f797a284bfa7b46f [2019-11-27 09:45:36,960 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:36,979 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:36,986 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:36,987 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:36,991 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:36,992 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/Float_div.i [2019-11-27 09:45:37,103 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89ba88fc9/4f4e8f61d74948b39345a12ba7c045e6/FLAG163f7c9c2 [2019-11-27 09:45:37,816 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:37,819 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/Float_div.i [2019-11-27 09:45:37,831 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89ba88fc9/4f4e8f61d74948b39345a12ba7c045e6/FLAG163f7c9c2 [2019-11-27 09:45:38,138 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89ba88fc9/4f4e8f61d74948b39345a12ba7c045e6 [2019-11-27 09:45:38,143 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:38,146 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:38,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:38,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:38,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:38,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:38" (1/1) ... [2019-11-27 09:45:38,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a2ddf4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:38, skipping insertion in model container [2019-11-27 09:45:38,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:38" (1/1) ... [2019-11-27 09:45:38,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:38,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:38,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:38,535 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:38,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:38,573 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:38,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:38 WrapperNode [2019-11-27 09:45:38,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:38,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:38,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:38,577 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:38,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:38" (1/1) ... [2019-11-27 09:45:38,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:38" (1/1) ... [2019-11-27 09:45:38,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:38,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:38,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:38,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:38,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:38" (1/1) ... [2019-11-27 09:45:38,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:38" (1/1) ... [2019-11-27 09:45:38,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:38" (1/1) ... [2019-11-27 09:45:38,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:38" (1/1) ... [2019-11-27 09:45:38,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:38" (1/1) ... [2019-11-27 09:45:38,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:38" (1/1) ... [2019-11-27 09:45:38,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:38" (1/1) ... [2019-11-27 09:45:38,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:38,731 INFO L168 Benchmark]: Toolchain (without parser) took 569.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 958.8 MB in the beginning and 997.1 MB in the end (delta: -38.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:38,733 INFO L168 Benchmark]: CDTParser took 0.22 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 09:45:38,735 INFO L168 Benchmark]: CACSL2BoogieTranslator took 425.09 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 947.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:38,737 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 947.4 MB in the beginning and 997.1 MB in the end (delta: -49.7 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:38,741 INFO L168 Benchmark]: Boogie Preprocessor took 27.62 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:38,749 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 425.09 ms. Allocated memory is still 1.0 GB. Free memory was 958.8 MB in the beginning and 947.4 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 109.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 947.4 MB in the beginning and 997.1 MB in the end (delta: -49.7 MB). Peak memory consumption was 9.0 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 27.62 ms. Allocated memory is still 1.0 GB. Free memory is still 997.1 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:45:41,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:45:41,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:45:41,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:45:41,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:45:41,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:45:41,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:45:41,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:45:41,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:45:41,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:45:41,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:45:41,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:45:41,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:45:41,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:45:41,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:45:41,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:45:41,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:45:41,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:45:41,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:45:41,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:45:41,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:45:41,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:45:41,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:45:41,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:45:41,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:45:41,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:45:41,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:45:41,655 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:45:41,656 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:45:41,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:45:41,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:45:41,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:45:41,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:45:41,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:45:41,665 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:45:41,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:45:41,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:45:41,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:45:41,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:45:41,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:45:41,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:45:41,672 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:45:41,701 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:45:41,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:45:41,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:45:41,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:45:41,706 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:45:41,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:45:41,706 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:45:41,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:45:41,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:45:41,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:45:41,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:45:41,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:45:41,711 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:45:41,711 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:45:41,711 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:45:41,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:45:41,712 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:45:41,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:45:41,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:45:41,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:45:41,714 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:45:41,714 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:45:41,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:45:41,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:45:41,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:45:41,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:45:41,717 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:45:41,717 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:45:41,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:45:41,718 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:45:41,719 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 -> c9c4c4712c0b03f250e94d62f797a284bfa7b46f [2019-11-27 09:45:42,159 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:45:42,177 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:45:42,181 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:45:42,185 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:45:42,187 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:45:42,188 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/Float_div.i [2019-11-27 09:45:42,295 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f11424af5/7c25c8f30dd44320b403213e2ecac9ce/FLAG3fa9cbd43 [2019-11-27 09:45:43,004 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:45:43,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/Float_div.i [2019-11-27 09:45:43,018 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f11424af5/7c25c8f30dd44320b403213e2ecac9ce/FLAG3fa9cbd43 [2019-11-27 09:45:43,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f11424af5/7c25c8f30dd44320b403213e2ecac9ce [2019-11-27 09:45:43,344 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:45:43,348 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:45:43,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:43,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:45:43,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:45:43,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:43" (1/1) ... [2019-11-27 09:45:43,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59130246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:43, skipping insertion in model container [2019-11-27 09:45:43,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:45:43" (1/1) ... [2019-11-27 09:45:43,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:45:43,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:45:43,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:43,724 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:45:43,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:45:43,835 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:45:43,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:43 WrapperNode [2019-11-27 09:45:43,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:45:43,838 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:43,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:45:43,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:45:43,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:43" (1/1) ... [2019-11-27 09:45:43,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:43" (1/1) ... [2019-11-27 09:45:43,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:45:43,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:45:43,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:45:43,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:45:43,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:43" (1/1) ... [2019-11-27 09:45:43,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:43" (1/1) ... [2019-11-27 09:45:43,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:43" (1/1) ... [2019-11-27 09:45:43,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:43" (1/1) ... [2019-11-27 09:45:43,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:43" (1/1) ... [2019-11-27 09:45:43,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:43" (1/1) ... [2019-11-27 09:45:43,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:45:43" (1/1) ... [2019-11-27 09:45:43,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:45:43,912 INFO L168 Benchmark]: Toolchain (without parser) took 561.85 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 09:45:43,928 INFO L168 Benchmark]: CDTParser took 0.54 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 09:45:43,929 INFO L168 Benchmark]: CACSL2BoogieTranslator took 485.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:45:43,930 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.30 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:45:43,933 INFO L168 Benchmark]: Boogie Preprocessor took 34.55 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. [2019-11-27 09:45:43,943 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 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 485.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 35.30 ms. Allocated memory is still 1.0 GB. Free memory is still 996.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 34.55 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...