./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cdfpl/square_6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 32f26835 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_6.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 20673ed10b5a05371c8641d8d8a54d9346cb443e ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_6.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 20673ed10b5a05371c8641d8d8a54d9346cb443e .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 21:03:20,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:03:20,412 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:03:20,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:03:20,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:03:20,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:03:20,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:03:20,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:03:20,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:03:20,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:03:20,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:03:20,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:03:20,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:03:20,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:03:20,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:03:20,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:03:20,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:03:20,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:03:20,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:03:20,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:03:20,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:03:20,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:03:20,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:03:20,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:03:20,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:03:20,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:03:20,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:03:20,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:03:20,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:03:20,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:03:20,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:03:20,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:03:20,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:03:20,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:03:20,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:03:20,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:03:20,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:03:20,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:03:20,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:03:20,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:03:20,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:03:20,550 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:03:20,581 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:03:20,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:03:20,585 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:03:20,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:03:20,588 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:03:20,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:03:20,589 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:03:20,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:03:20,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:03:20,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:03:20,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:03:20,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:03:20,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:03:20,591 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:03:20,591 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:03:20,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:03:20,592 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:03:20,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:03:20,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:03:20,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:03:20,593 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:03:20,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:03:20,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:03:20,595 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:03:20,595 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:03:20,595 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:03:20,596 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:03:20,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:03:20,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:03:20,598 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 -> 20673ed10b5a05371c8641d8d8a54d9346cb443e [2019-11-24 21:03:21,081 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:03:21,098 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:03:21,103 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:03:21,107 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:03:21,108 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:03:21,109 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/square_6.i [2019-11-24 21:03:21,230 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c8ceb430/5bfdb50b4d1b409db2b5babd010d8e5c/FLAG2809b4f42 [2019-11-24 21:03:21,936 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:03:21,937 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/square_6.i [2019-11-24 21:03:21,949 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c8ceb430/5bfdb50b4d1b409db2b5babd010d8e5c/FLAG2809b4f42 [2019-11-24 21:03:22,266 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c8ceb430/5bfdb50b4d1b409db2b5babd010d8e5c [2019-11-24 21:03:22,272 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:03:22,274 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:03:22,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:03:22,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:03:22,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:03:22,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:03:22" (1/1) ... [2019-11-24 21:03:22,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66666cce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:22, skipping insertion in model container [2019-11-24 21:03:22,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:03:22" (1/1) ... [2019-11-24 21:03:22,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:03:22,342 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:03:22,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:03:22,637 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:03:22,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:03:22,670 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:03:22,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:22 WrapperNode [2019-11-24 21:03:22,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:03:22,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:03:22,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:03:22,681 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:03:22,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:22" (1/1) ... [2019-11-24 21:03:22,769 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:22" (1/1) ... [2019-11-24 21:03:22,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:03:22,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:03:22,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:03:22,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:03:22,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:22" (1/1) ... [2019-11-24 21:03:22,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:22" (1/1) ... [2019-11-24 21:03:22,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:22" (1/1) ... [2019-11-24 21:03:22,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:22" (1/1) ... [2019-11-24 21:03:22,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:22" (1/1) ... [2019-11-24 21:03:22,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:22" (1/1) ... [2019-11-24 21:03:22,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:22" (1/1) ... [2019-11-24 21:03:22,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:03:22,836 INFO L168 Benchmark]: Toolchain (without parser) took 557.60 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. [2019-11-24 21:03:22,838 INFO L168 Benchmark]: CDTParser took 1.73 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. [2019-11-24 21:03:22,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.20 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. [2019-11-24 21:03:22,853 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.76 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 997.1 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. [2019-11-24 21:03:22,856 INFO L168 Benchmark]: Boogie Preprocessor took 26.54 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 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. [2019-11-24 21:03:22,866 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.73 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 393.20 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 125.76 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 997.1 MB in the end (delta: -46.8 MB). Peak memory consumption was 9.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 26.54 ms. Allocated memory is still 1.0 GB. Free memory was 997.1 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 0.1.24-32f2683 [2019-11-24 21:03:25,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:03:25,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:03:25,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:03:25,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:03:25,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:03:25,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:03:25,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:03:25,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:03:25,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:03:25,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:03:25,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:03:25,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:03:25,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:03:25,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:03:25,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:03:25,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:03:25,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:03:25,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:03:25,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:03:25,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:03:25,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:03:25,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:03:25,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:03:25,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:03:25,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:03:25,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:03:25,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:03:25,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:03:25,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:03:25,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:03:25,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:03:25,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:03:25,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:03:25,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:03:25,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:03:25,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:03:25,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:03:25,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:03:25,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:03:25,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:03:25,751 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:03:25,794 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:03:25,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:03:25,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:03:25,799 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:03:25,799 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:03:25,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:03:25,800 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:03:25,800 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:03:25,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:03:25,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:03:25,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:03:25,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:03:25,805 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:03:25,805 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:03:25,805 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:03:25,806 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:03:25,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:03:25,806 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:03:25,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:03:25,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:03:25,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:03:25,807 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:03:25,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:03:25,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:03:25,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:03:25,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:03:25,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:03:25,808 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:03:25,808 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:03:25,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:03:25,811 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:03:25,811 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 -> 20673ed10b5a05371c8641d8d8a54d9346cb443e [2019-11-24 21:03:26,276 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:03:26,294 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:03:26,301 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:03:26,304 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:03:26,305 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:03:26,307 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/square_6.i [2019-11-24 21:03:26,414 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5a2632bc/7ffdfdf6d63b45869dfc04e139aec402/FLAGf04b2a080 [2019-11-24 21:03:27,134 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:03:27,137 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/square_6.i [2019-11-24 21:03:27,149 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5a2632bc/7ffdfdf6d63b45869dfc04e139aec402/FLAGf04b2a080 [2019-11-24 21:03:27,483 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5a2632bc/7ffdfdf6d63b45869dfc04e139aec402 [2019-11-24 21:03:27,487 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:03:27,496 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:03:27,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:03:27,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:03:27,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:03:27,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:03:27" (1/1) ... [2019-11-24 21:03:27,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72cc39cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:27, skipping insertion in model container [2019-11-24 21:03:27,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:03:27" (1/1) ... [2019-11-24 21:03:27,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:03:27,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:03:27,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:03:27,901 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:03:27,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:03:27,967 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:03:27,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:27 WrapperNode [2019-11-24 21:03:27,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:03:27,971 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:03:27,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:03:27,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:03:27,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:27" (1/1) ... [2019-11-24 21:03:28,061 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:27" (1/1) ... [2019-11-24 21:03:28,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:03:28,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:03:28,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:03:28,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:03:28,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:27" (1/1) ... [2019-11-24 21:03:28,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:27" (1/1) ... [2019-11-24 21:03:28,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:27" (1/1) ... [2019-11-24 21:03:28,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:27" (1/1) ... [2019-11-24 21:03:28,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:27" (1/1) ... [2019-11-24 21:03:28,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:27" (1/1) ... [2019-11-24 21:03:28,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:03:27" (1/1) ... [2019-11-24 21:03:28,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:03:28,136 INFO L168 Benchmark]: Toolchain (without parser) took 646.16 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 989.8 MB in the end (delta: -30.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:03:28,139 INFO L168 Benchmark]: CDTParser took 0.27 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. [2019-11-24 21:03:28,153 INFO L168 Benchmark]: CACSL2BoogieTranslator took 471.86 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. [2019-11-24 21:03:28,155 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.98 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 995.5 MB in the end (delta: -48.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. [2019-11-24 21:03:28,159 INFO L168 Benchmark]: Boogie Preprocessor took 41.29 ms. Allocated memory is still 1.0 GB. Free memory was 995.5 MB in the beginning and 989.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:03:28,169 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 471.86 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 119.98 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 995.5 MB in the end (delta: -48.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 41.29 ms. Allocated memory is still 1.0 GB. Free memory was 995.5 MB in the beginning and 989.8 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...