./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c.p+cfa-reducer.c --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/float-benchs/sqrt_Householder_constant.c.p+cfa-reducer.c -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 2efbbd8e1ed6cd606263edae3254601484469bf9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/float-benchs/sqrt_Householder_constant.c.p+cfa-reducer.c -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 2efbbd8e1ed6cd606263edae3254601484469bf9 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 21:04:12,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:04:12,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:04:12,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:04:12,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:04:12,512 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:04:12,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:04:12,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:04:12,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:04:12,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:04:12,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:04:12,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:04:12,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:04:12,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:04:12,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:04:12,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:04:12,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:04:12,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:04:12,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:04:12,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:04:12,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:04:12,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:04:12,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:04:12,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:04:12,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:04:12,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:04:12,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:04:12,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:04:12,625 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:04:12,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:04:12,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:04:12,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:04:12,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:04:12,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:04:12,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:04:12,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:04:12,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:04:12,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:04:12,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:04:12,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:04:12,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:04:12,650 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:04:12,688 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:04:12,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:04:12,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:04:12,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:04:12,695 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:04:12,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:04:12,698 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:04:12,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:04:12,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:04:12,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:04:12,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:04:12,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:04:12,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:04:12,700 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:04:12,700 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:04:12,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:04:12,703 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:04:12,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:04:12,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:04:12,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:04:12,705 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:04:12,708 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:04:12,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:04:12,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:04:12,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:04:12,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:04:12,709 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:04:12,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:04:12,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:04:12,710 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 -> 2efbbd8e1ed6cd606263edae3254601484469bf9 [2019-11-24 21:04:13,247 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:04:13,276 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:04:13,284 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:04:13,288 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:04:13,289 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:04:13,291 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c.p+cfa-reducer.c [2019-11-24 21:04:13,445 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66337d783/0fd7be1a54bf4c768c873b16f961572f/FLAGf20e2c245 [2019-11-24 21:04:14,424 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:04:14,427 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c.p+cfa-reducer.c [2019-11-24 21:04:14,445 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66337d783/0fd7be1a54bf4c768c873b16f961572f/FLAGf20e2c245 [2019-11-24 21:04:14,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66337d783/0fd7be1a54bf4c768c873b16f961572f [2019-11-24 21:04:14,595 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:04:14,598 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:04:14,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:14,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:04:14,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:04:14,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:14" (1/1) ... [2019-11-24 21:04:14,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@726eb83f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:14, skipping insertion in model container [2019-11-24 21:04:14,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:14" (1/1) ... [2019-11-24 21:04:14,645 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:04:14,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:04:15,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:15,152 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:04:15,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:15,334 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:04:15,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:15 WrapperNode [2019-11-24 21:04:15,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:15,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:15,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:04:15,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:04:15,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:15" (1/1) ... [2019-11-24 21:04:15,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:15" (1/1) ... [2019-11-24 21:04:15,406 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:15,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:04:15,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:04:15,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:04:15,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:15" (1/1) ... [2019-11-24 21:04:15,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:15" (1/1) ... [2019-11-24 21:04:15,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:15" (1/1) ... [2019-11-24 21:04:15,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:15" (1/1) ... [2019-11-24 21:04:15,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:15" (1/1) ... [2019-11-24 21:04:15,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:15" (1/1) ... [2019-11-24 21:04:15,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:15" (1/1) ... [2019-11-24 21:04:15,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:04:15,469 INFO L168 Benchmark]: Toolchain (without parser) took 869.10 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 991.3 MB in the end (delta: -23.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:15,484 INFO L168 Benchmark]: CDTParser took 3.11 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. [2019-11-24 21:04:15,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 997.1 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:15,489 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.56 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. [2019-11-24 21:04:15,491 INFO L168 Benchmark]: Boogie Preprocessor took 57.92 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 21:04:15,501 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.11 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 730.14 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 997.1 MB in the end (delta: -29.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 62.56 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. * Boogie Preprocessor took 57.92 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 21:04:19,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:04:19,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:04:19,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:04:19,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:04:19,535 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:04:19,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:04:19,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:04:19,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:04:19,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:04:19,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:04:19,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:04:19,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:04:19,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:04:19,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:04:19,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:04:19,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:04:19,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:04:19,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:04:19,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:04:19,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:04:19,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:04:19,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:04:19,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:04:19,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:04:19,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:04:19,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:04:19,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:04:19,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:04:19,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:04:19,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:04:19,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:04:19,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:04:19,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:04:19,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:04:19,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:04:19,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:04:19,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:04:19,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:04:19,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:04:19,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:04:19,669 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:04:19,709 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:04:19,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:04:19,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:04:19,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:04:19,716 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:04:19,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:04:19,717 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:04:19,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:04:19,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:04:19,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:04:19,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:04:19,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:04:19,722 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:04:19,722 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:04:19,723 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:04:19,723 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:04:19,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:04:19,724 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:04:19,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:04:19,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:04:19,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:04:19,728 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:04:19,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:04:19,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:04:19,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:04:19,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:04:19,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:04:19,731 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:04:19,732 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:04:19,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:04:19,733 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:04:19,734 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 -> 2efbbd8e1ed6cd606263edae3254601484469bf9 [2019-11-24 21:04:20,274 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:04:20,301 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:04:20,305 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:04:20,310 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:04:20,315 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:04:20,316 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c.p+cfa-reducer.c [2019-11-24 21:04:20,467 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ad6e40eb/8677f900ec6249ea86f8f5725be42f9b/FLAG0071a0baf [2019-11-24 21:04:21,523 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:04:21,526 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sqrt_Householder_constant.c.p+cfa-reducer.c [2019-11-24 21:04:21,545 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ad6e40eb/8677f900ec6249ea86f8f5725be42f9b/FLAG0071a0baf [2019-11-24 21:04:21,581 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ad6e40eb/8677f900ec6249ea86f8f5725be42f9b [2019-11-24 21:04:21,590 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:04:21,596 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:04:21,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:21,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:04:21,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:04:21,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:21" (1/1) ... [2019-11-24 21:04:21,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4437ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:21, skipping insertion in model container [2019-11-24 21:04:21,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:04:21" (1/1) ... [2019-11-24 21:04:21,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:04:21,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:04:22,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:22,162 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:04:22,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:04:22,345 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:04:22,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:22 WrapperNode [2019-11-24 21:04:22,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:04:22,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:22,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:04:22,350 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:04:22,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:22" (1/1) ... [2019-11-24 21:04:22,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:22" (1/1) ... [2019-11-24 21:04:22,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:04:22,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:04:22,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:04:22,427 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:04:22,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:22" (1/1) ... [2019-11-24 21:04:22,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:22" (1/1) ... [2019-11-24 21:04:22,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:22" (1/1) ... [2019-11-24 21:04:22,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:22" (1/1) ... [2019-11-24 21:04:22,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:22" (1/1) ... [2019-11-24 21:04:22,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:22" (1/1) ... [2019-11-24 21:04:22,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:04:22" (1/1) ... [2019-11-24 21:04:22,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:04:22,506 INFO L168 Benchmark]: Toolchain (without parser) took 894.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.3 MB in the end (delta: -25.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:22,508 INFO L168 Benchmark]: CDTParser took 2.91 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. [2019-11-24 21:04:22,510 INFO L168 Benchmark]: CACSL2BoogieTranslator took 749.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.3 MB in the end (delta: -25.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:04:22,514 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.43 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:22,515 INFO L168 Benchmark]: Boogie Preprocessor took 61.16 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:04:22,524 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.91 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 749.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.3 MB in the end (delta: -25.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 78.43 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 61.16 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 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...