./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_Newton_pseudoconstant.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9874b894e580352626d8ebc271850c0b42d4635 .......................................................................................................................................................................................................................................................................................................... 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 -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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_Newton_pseudoconstant.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9874b894e580352626d8ebc271850c0b42d4635 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 00:56:55,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 00:56:55,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 00:56:55,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 00:56:55,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 00:56:55,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 00:56:55,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 00:56:55,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 00:56:55,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 00:56:55,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 00:56:55,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 00:56:55,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 00:56:55,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 00:56:55,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 00:56:55,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 00:56:55,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 00:56:55,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 00:56:55,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 00:56:55,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 00:56:55,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 00:56:55,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 00:56:55,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 00:56:55,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 00:56:55,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 00:56:55,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 00:56:55,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 00:56:55,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 00:56:55,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 00:56:55,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 00:56:55,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 00:56:55,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 00:56:55,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 00:56:55,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 00:56:55,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 00:56:55,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 00:56:55,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 00:56:55,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 00:56:55,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 00:56:55,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 00:56:55,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 00:56:55,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 00:56:55,756 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 00:56:55,795 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 00:56:55,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 00:56:55,798 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 00:56:55,798 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 00:56:55,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 00:56:55,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 00:56:55,800 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 00:56:55,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 00:56:55,801 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 00:56:55,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 00:56:55,802 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 00:56:55,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 00:56:55,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 00:56:55,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 00:56:55,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 00:56:55,803 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 00:56:55,803 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 00:56:55,803 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 00:56:55,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 00:56:55,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 00:56:55,804 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 00:56:55,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 00:56:55,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 00:56:55,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 00:56:55,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 00:56:55,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 00:56:55,805 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 00:56:55,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 00:56:55,805 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 00:56:55,805 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 00:56:55,806 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9874b894e580352626d8ebc271850c0b42d4635 [2021-08-26 00:56:56,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 00:56:56,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 00:56:56,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 00:56:56,135 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 00:56:56,135 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 00:56:56,137 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c [2021-08-26 00:56:56,215 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3233a0057/5f0aa0173c1b4f90bd52d31fd9cbc535/FLAG4c0301675 [2021-08-26 00:56:56,592 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 00:56:56,593 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c [2021-08-26 00:56:56,600 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3233a0057/5f0aa0173c1b4f90bd52d31fd9cbc535/FLAG4c0301675 [2021-08-26 00:56:57,010 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3233a0057/5f0aa0173c1b4f90bd52d31fd9cbc535 [2021-08-26 00:56:57,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 00:56:57,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 00:56:57,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 00:56:57,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 00:56:57,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 00:56:57,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 12:56:57" (1/1) ... [2021-08-26 00:56:57,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47ac3414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:56:57, skipping insertion in model container [2021-08-26 00:56:57,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 12:56:57" (1/1) ... [2021-08-26 00:56:57,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 00:56:57,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 00:56:57,167 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c[557,570] [2021-08-26 00:56:57,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 00:56:57,199 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 00:56:57,247 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c[557,570] [2021-08-26 00:56:57,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 00:56:57,278 INFO L208 MainTranslator]: Completed translation [2021-08-26 00:56:57,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:56:57 WrapperNode [2021-08-26 00:56:57,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 00:56:57,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 00:56:57,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 00:56:57,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 00:56:57,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:56:57" (1/1) ... [2021-08-26 00:56:57,291 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:56:57" (1/1) ... [2021-08-26 00:56:57,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 00:56:57,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 00:56:57,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 00:56:57,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 00:56:57,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:56:57" (1/1) ... [2021-08-26 00:56:57,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:56:57" (1/1) ... [2021-08-26 00:56:57,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:56:57" (1/1) ... [2021-08-26 00:56:57,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:56:57" (1/1) ... [2021-08-26 00:56:57,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:56:57" (1/1) ... [2021-08-26 00:56:57,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:56:57" (1/1) ... [2021-08-26 00:56:57,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:56:57" (1/1) ... [2021-08-26 00:56:57,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 00:56:57,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 00:56:57,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 00:56:57,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 00:56:57,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:56:57" (1/1) ... [2021-08-26 00:56:57,370 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 00:56:57,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 00:56:57,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-26 00:56:57,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-26 00:56:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 00:56:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 00:56:57,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 00:56:57,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 00:56:57,604 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 00:56:57,605 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-26 00:56:57,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 12:56:57 BoogieIcfgContainer [2021-08-26 00:56:57,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 00:56:57,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 00:56:57,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 00:56:57,611 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 00:56:57,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 12:56:57" (1/3) ... [2021-08-26 00:56:57,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f3241c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 12:56:57, skipping insertion in model container [2021-08-26 00:56:57,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:56:57" (2/3) ... [2021-08-26 00:56:57,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f3241c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 12:56:57, skipping insertion in model container [2021-08-26 00:56:57,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 12:56:57" (3/3) ... [2021-08-26 00:56:57,613 INFO L111 eAbstractionObserver]: Analyzing ICFG sqrt_Newton_pseudoconstant.c [2021-08-26 00:56:57,618 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 00:56:57,618 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-26 00:56:57,655 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 00:56:57,661 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 00:56:57,661 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-26 00:56:57,673 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 16 states have (on average 1.5) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 00:56:57,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-08-26 00:56:57,677 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 00:56:57,677 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 00:56:57,678 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 00:56:57,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 00:56:57,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1569195288, now seen corresponding path program 1 times [2021-08-26 00:56:57,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 00:56:57,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653984855] [2021-08-26 00:56:57,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 00:56:57,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 00:56:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 00:56:57,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 00:56:57,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 00:56:57,835 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653984855] [2021-08-26 00:56:57,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653984855] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 00:56:57,837 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 00:56:57,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 00:56:57,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137393959] [2021-08-26 00:56:57,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 00:56:57,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 00:56:57,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 00:56:57,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 00:56:57,870 INFO L87 Difference]: Start difference. First operand has 18 states, 16 states have (on average 1.5) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 00:56:57,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 00:56:57,887 INFO L93 Difference]: Finished difference Result 34 states and 46 transitions. [2021-08-26 00:56:57,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 00:56:57,888 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-08-26 00:56:57,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 00:56:57,907 INFO L225 Difference]: With dead ends: 34 [2021-08-26 00:56:57,908 INFO L226 Difference]: Without dead ends: 14 [2021-08-26 00:56:57,911 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 00:56:57,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-08-26 00:56:57,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-08-26 00:56:57,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 00:56:57,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2021-08-26 00:56:57,938 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 12 [2021-08-26 00:56:57,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 00:56:57,939 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2021-08-26 00:56:57,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 00:56:57,940 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-08-26 00:56:57,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-08-26 00:56:57,940 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 00:56:57,941 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 00:56:57,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 00:56:57,943 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 00:56:57,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 00:56:57,950 INFO L82 PathProgramCache]: Analyzing trace with hash -2049407722, now seen corresponding path program 1 times [2021-08-26 00:56:57,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 00:56:57,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070840357] [2021-08-26 00:56:57,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 00:56:57,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 00:56:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 00:56:58,005 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-26 00:56:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 00:56:58,061 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-26 00:56:58,061 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-26 00:56:58,066 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 00:56:58,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 00:56:58,077 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 00:56:58,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 12:56:58 BoogieIcfgContainer [2021-08-26 00:56:58,111 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 00:56:58,112 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 00:56:58,112 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 00:56:58,113 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 00:56:58,113 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 12:56:57" (3/4) ... [2021-08-26 00:56:58,119 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-26 00:56:58,119 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 00:56:58,122 INFO L168 Benchmark]: Toolchain (without parser) took 1107.19 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 39.1 MB in the beginning and 46.1 MB in the end (delta: -7.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2021-08-26 00:56:58,123 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 60.8 MB. Free memory was 41.5 MB in the beginning and 41.5 MB in the end (delta: 25.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 00:56:58,124 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.14 ms. Allocated memory is still 60.8 MB. Free memory was 38.8 MB in the beginning and 43.0 MB in the end (delta: -4.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-26 00:56:58,125 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.06 ms. Allocated memory is still 60.8 MB. Free memory was 43.0 MB in the beginning and 41.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 00:56:58,129 INFO L168 Benchmark]: Boogie Preprocessor took 44.47 ms. Allocated memory is still 60.8 MB. Free memory was 41.3 MB in the beginning and 40.3 MB in the end (delta: 995.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 00:56:58,130 INFO L168 Benchmark]: RCFGBuilder took 242.79 ms. Allocated memory is still 60.8 MB. Free memory was 40.2 MB in the beginning and 41.7 MB in the end (delta: -1.6 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. [2021-08-26 00:56:58,131 INFO L168 Benchmark]: TraceAbstraction took 503.53 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 41.1 MB in the beginning and 46.8 MB in the end (delta: -5.7 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. [2021-08-26 00:56:58,132 INFO L168 Benchmark]: Witness Printer took 7.27 ms. Allocated memory is still 73.4 MB. Free memory was 46.4 MB in the beginning and 46.1 MB in the end (delta: 324.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 00:56:58,138 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 60.8 MB. Free memory was 41.5 MB in the beginning and 41.5 MB in the end (delta: 25.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 250.14 ms. Allocated memory is still 60.8 MB. Free memory was 38.8 MB in the beginning and 43.0 MB in the end (delta: -4.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.06 ms. Allocated memory is still 60.8 MB. Free memory was 43.0 MB in the beginning and 41.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.47 ms. Allocated memory is still 60.8 MB. Free memory was 41.3 MB in the beginning and 40.3 MB in the end (delta: 995.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 242.79 ms. Allocated memory is still 60.8 MB. Free memory was 40.2 MB in the beginning and 41.7 MB in the end (delta: -1.6 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 503.53 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 41.1 MB in the beginning and 46.8 MB in the end (delta: -5.7 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. * Witness Printer took 7.27 ms. Allocated memory is still 73.4 MB. Free memory was 46.4 MB in the beginning and 46.1 MB in the end (delta: 324.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 13]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 52, overapproximation of someUnaryDOUBLEoperation at line 25, overapproximation of someBinaryArithmeticDOUBLEoperation at line 37. Possible FailurePath: [L15] double _EPS = 1e-6; VAL [_EPS=1/1000000] [L42] double d, dd, r; [L43] double epsilon = 1e-8; [L45] d = 1. VAL [_EPS=1/1000000] [L45] COND TRUE d <= 20. [L47] dd = __VERIFIER_nondet_double() [L11] COND FALSE !(!cond) VAL [_EPS=1/1000000] [L19] double xn, xnp1, residu, lsup, linf; [L20] int i, cond; VAL [_EPS=1/1000000] [L21] COND TRUE Input <= 1.0 [L21] xn = 1.0 VAL [_EPS=1/1000000] [L22] xnp1 = xn [L23] residu = 2.0*_EPS*(xn+xnp1) [L24] lsup = _EPS * (xn+xnp1) [L25] linf = -lsup [L26] cond = ((residu > lsup) || (residu < linf)) [L27] i = 0 VAL [_EPS=1/1000000] [L28] COND FALSE !(\read(cond)) VAL [_EPS=1/1000000] [L37] return 1.0 / xnp1; VAL [_EPS=1/1000000] [L50] r = SqrtR(dd) [L13] COND TRUE !(cond) VAL [_EPS=1/1000000] [L13] reach_error() VAL [_EPS=1/1000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 422.3ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 7.6ms, AutomataDifference: 61.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 20 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 15.4ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 14.4ms SsaConstructionTime, 64.8ms SatisfiabilityAnalysisTime, 56.3ms InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-08-26 00:56:58,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 00:57:00,060 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-08-26 00:57:00,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 00:57:00,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 00:57:00,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 00:57:00,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 00:57:00,136 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 00:57:00,137 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 00:57:00,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 00:57:00,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 00:57:00,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 00:57:00,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 00:57:00,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 00:57:00,141 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-08-26 00:57:00,165 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 00:57:00,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 00:57:00,166 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 00:57:00,166 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 00:57:00,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 00:57:00,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 00:57:00,167 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 00:57:00,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 00:57:00,168 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 00:57:00,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 00:57:00,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 00:57:00,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 00:57:00,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 00:57:00,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 00:57:00,168 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-26 00:57:00,168 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-26 00:57:00,169 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 00:57:00,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 00:57:00,169 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 00:57:00,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 00:57:00,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 00:57:00,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 00:57:00,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 00:57:00,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 00:57:00,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 00:57:00,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 00:57:00,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 00:57:00,170 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-26 00:57:00,170 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-26 00:57:00,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 00:57:00,170 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 00:57:00,170 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-26 00:57:00,170 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9874b894e580352626d8ebc271850c0b42d4635 [2021-08-26 00:57:00,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 00:57:00,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 00:57:00,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 00:57:00,527 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 00:57:00,529 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 00:57:00,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c [2021-08-26 00:57:00,613 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33e0ef227/1f59765dff1c4773a2265da405d0a5ed/FLAG8c905050d [2021-08-26 00:57:01,119 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 00:57:01,120 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c [2021-08-26 00:57:01,127 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33e0ef227/1f59765dff1c4773a2265da405d0a5ed/FLAG8c905050d [2021-08-26 00:57:01,605 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33e0ef227/1f59765dff1c4773a2265da405d0a5ed [2021-08-26 00:57:01,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 00:57:01,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 00:57:01,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 00:57:01,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 00:57:01,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 00:57:01,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 12:57:01" (1/1) ... [2021-08-26 00:57:01,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@134521d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:57:01, skipping insertion in model container [2021-08-26 00:57:01,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 12:57:01" (1/1) ... [2021-08-26 00:57:01,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 00:57:01,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 00:57:01,783 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c[557,570] [2021-08-26 00:57:01,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 00:57:01,840 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 00:57:01,859 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sqrt_Newton_pseudoconstant.c[557,570] [2021-08-26 00:57:01,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 00:57:01,897 INFO L208 MainTranslator]: Completed translation [2021-08-26 00:57:01,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:57:01 WrapperNode [2021-08-26 00:57:01,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 00:57:01,903 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 00:57:01,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 00:57:01,903 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 00:57:01,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:57:01" (1/1) ... [2021-08-26 00:57:01,926 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:57:01" (1/1) ... [2021-08-26 00:57:01,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 00:57:01,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 00:57:01,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 00:57:01,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 00:57:01,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:57:01" (1/1) ... [2021-08-26 00:57:01,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:57:01" (1/1) ... [2021-08-26 00:57:01,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:57:01" (1/1) ... [2021-08-26 00:57:01,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:57:01" (1/1) ... [2021-08-26 00:57:01,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:57:01" (1/1) ... [2021-08-26 00:57:01,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:57:01" (1/1) ... [2021-08-26 00:57:01,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:57:01" (1/1) ... [2021-08-26 00:57:02,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 00:57:02,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 00:57:02,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 00:57:02,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 00:57:02,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:57:01" (1/1) ... [2021-08-26 00:57:02,014 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 00:57:02,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 00:57:02,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-26 00:57:02,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-26 00:57:02,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-08-26 00:57:02,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 00:57:02,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 00:57:02,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 00:57:10,869 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 00:57:10,874 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-08-26 00:57:10,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 12:57:10 BoogieIcfgContainer [2021-08-26 00:57:10,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 00:57:10,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 00:57:10,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 00:57:10,880 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 00:57:10,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 12:57:01" (1/3) ... [2021-08-26 00:57:10,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc8425c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 12:57:10, skipping insertion in model container [2021-08-26 00:57:10,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:57:01" (2/3) ... [2021-08-26 00:57:10,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc8425c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 12:57:10, skipping insertion in model container [2021-08-26 00:57:10,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 12:57:10" (3/3) ... [2021-08-26 00:57:10,883 INFO L111 eAbstractionObserver]: Analyzing ICFG sqrt_Newton_pseudoconstant.c [2021-08-26 00:57:10,888 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 00:57:10,888 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-26 00:57:10,932 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 00:57:10,940 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 00:57:10,941 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-26 00:57:10,951 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 16 states have (on average 1.5) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 00:57:10,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-08-26 00:57:10,955 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 00:57:10,956 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 00:57:10,956 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 00:57:10,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 00:57:10,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1569195288, now seen corresponding path program 1 times [2021-08-26 00:57:10,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 00:57:10,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [410100176] [2021-08-26 00:57:10,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 00:57:10,972 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 00:57:10,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 00:57:10,981 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-26 00:57:11,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-26 00:57:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 00:57:12,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 1 conjunts are in the unsatisfiable core [2021-08-26 00:57:12,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 00:57:12,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 00:57:12,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 00:57:12,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 00:57:12,540 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 00:57:12,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [410100176] [2021-08-26 00:57:12,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [410100176] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-26 00:57:12,541 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-26 00:57:12,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-08-26 00:57:12,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374016071] [2021-08-26 00:57:12,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 00:57:12,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 00:57:12,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 00:57:12,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 00:57:12,559 INFO L87 Difference]: Start difference. First operand has 18 states, 16 states have (on average 1.5) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 00:57:12,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 00:57:12,570 INFO L93 Difference]: Finished difference Result 34 states and 46 transitions. [2021-08-26 00:57:12,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 00:57:12,572 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-08-26 00:57:12,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 00:57:12,576 INFO L225 Difference]: With dead ends: 34 [2021-08-26 00:57:12,577 INFO L226 Difference]: Without dead ends: 14 [2021-08-26 00:57:12,579 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 00:57:12,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-08-26 00:57:12,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-08-26 00:57:12,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 00:57:12,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2021-08-26 00:57:12,597 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 12 [2021-08-26 00:57:12,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 00:57:12,598 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2021-08-26 00:57:12,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 00:57:12,598 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-08-26 00:57:12,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-08-26 00:57:12,598 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 00:57:12,598 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 00:57:12,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-08-26 00:57:12,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 00:57:12,799 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 00:57:12,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 00:57:12,800 INFO L82 PathProgramCache]: Analyzing trace with hash -2049407722, now seen corresponding path program 1 times [2021-08-26 00:57:12,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 00:57:12,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [174027613] [2021-08-26 00:57:12,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 00:57:12,801 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 00:57:12,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 00:57:12,803 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-26 00:57:12,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-08-26 00:57:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 00:57:14,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-26 00:57:14,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 00:57:15,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 00:57:15,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 00:57:25,839 WARN L838 $PredicateComparison]: unable to prove that (or (let ((.cse0 (fp.add c_currentRoundingMode c_ULTIMATE.start_SqrtR_~xn~0 c_ULTIMATE.start_SqrtR_~xn~0))) (fp.gt (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) c_~_EPS~0) .cse0) (fp.mul c_currentRoundingMode c_~_EPS~0 .cse0))) (forall ((v_ULTIMATE.start_SqrtR_~linf~0_5 (_ FloatingPoint 11 53))) (fp.lt (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) c_~_EPS~0) (fp.add c_currentRoundingMode c_ULTIMATE.start_SqrtR_~xn~0 c_ULTIMATE.start_SqrtR_~xn~0)) v_ULTIMATE.start_SqrtR_~linf~0_5))) is different from false [2021-08-26 00:57:27,925 WARN L860 $PredicateComparison]: unable to prove that (or (let ((.cse0 (fp.add c_currentRoundingMode c_ULTIMATE.start_SqrtR_~xn~0 c_ULTIMATE.start_SqrtR_~xn~0))) (fp.gt (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) c_~_EPS~0) .cse0) (fp.mul c_currentRoundingMode c_~_EPS~0 .cse0))) (forall ((v_ULTIMATE.start_SqrtR_~linf~0_5 (_ FloatingPoint 11 53))) (fp.lt (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) c_~_EPS~0) (fp.add c_currentRoundingMode c_ULTIMATE.start_SqrtR_~xn~0 c_ULTIMATE.start_SqrtR_~xn~0)) v_ULTIMATE.start_SqrtR_~linf~0_5))) is different from true [2021-08-26 00:57:31,828 WARN L838 $PredicateComparison]: unable to prove that (or (forall ((v_ULTIMATE.start_SqrtR_~linf~0_5 (_ FloatingPoint 11 53))) (fp.lt (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) c_~_EPS~0) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (fp.add c_currentRoundingMode .cse0 .cse0))) v_ULTIMATE.start_SqrtR_~linf~0_5)) (let ((.cse1 (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (fp.add c_currentRoundingMode .cse2 .cse2)))) (fp.gt (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) c_~_EPS~0) .cse1) (fp.mul c_currentRoundingMode c_~_EPS~0 .cse1)))) is different from false [2021-08-26 00:57:46,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 00:57:46,949 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 00:57:46,950 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [174027613] [2021-08-26 00:57:46,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [174027613] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-26 00:57:46,950 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-26 00:57:46,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-08-26 00:57:46,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013340391] [2021-08-26 00:57:46,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-26 00:57:46,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 00:57:46,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-26 00:57:46,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=20, Unknown=3, NotChecked=18, Total=56 [2021-08-26 00:57:46,953 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 00:57:50,275 WARN L860 $PredicateComparison]: unable to prove that (and (= c_~_EPS~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 1000000.0))) (or (let ((.cse0 (fp.add c_currentRoundingMode c_ULTIMATE.start_SqrtR_~xn~0 c_ULTIMATE.start_SqrtR_~xn~0))) (fp.gt (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) c_~_EPS~0) .cse0) (fp.mul c_currentRoundingMode c_~_EPS~0 .cse0))) (forall ((v_ULTIMATE.start_SqrtR_~linf~0_5 (_ FloatingPoint 11 53))) (fp.lt (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) c_~_EPS~0) (fp.add c_currentRoundingMode c_ULTIMATE.start_SqrtR_~xn~0 c_ULTIMATE.start_SqrtR_~xn~0)) v_ULTIMATE.start_SqrtR_~linf~0_5))) (= c_currentRoundingMode roundNearestTiesToEven) (= c_ULTIMATE.start_SqrtR_~xn~0 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) is different from true [2021-08-26 00:58:07,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 00:58:07,337 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2021-08-26 00:58:07,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 00:58:07,424 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-08-26 00:58:07,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 00:58:07,426 INFO L225 Difference]: With dead ends: 33 [2021-08-26 00:58:07,426 INFO L226 Difference]: Without dead ends: 21 [2021-08-26 00:58:07,427 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 9918.7ms TimeCoverageRelationStatistics Valid=17, Invalid=21, Unknown=4, NotChecked=30, Total=72 [2021-08-26 00:58:07,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-08-26 00:58:07,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2021-08-26 00:58:07,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 00:58:07,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2021-08-26 00:58:07,432 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 12 [2021-08-26 00:58:07,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 00:58:07,432 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-08-26 00:58:07,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 00:58:07,432 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-08-26 00:58:07,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-08-26 00:58:07,433 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 00:58:07,433 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 00:58:07,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-08-26 00:58:07,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 00:58:07,637 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 00:58:07,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 00:58:07,638 INFO L82 PathProgramCache]: Analyzing trace with hash -274400360, now seen corresponding path program 1 times [2021-08-26 00:58:07,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 00:58:07,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [590746058] [2021-08-26 00:58:07,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 00:58:07,638 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 00:58:07,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 00:58:07,640 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-26 00:58:07,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-08-26 00:58:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 00:58:10,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 21 conjunts are in the unsatisfiable core [2021-08-26 00:58:10,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 00:58:31,165 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((ULTIMATE.start_SqrtR_~Input (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (and (fp.leq ULTIMATE.start_SqrtR_~Input (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 100000000.0)))) (not (fp.leq ULTIMATE.start_SqrtR_~Input .cse0)) (= (fp.div c_currentRoundingMode .cse0 ULTIMATE.start_SqrtR_~Input) c_ULTIMATE.start_SqrtR_~xn~0)))) (= c_~_EPS~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 1000000.0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-08-26 00:59:10,834 WARN L838 $PredicateComparison]: unable to prove that (and (let ((.cse0 (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 1000000.0))) (.cse2 (fp.add c_currentRoundingMode c_ULTIMATE.start_SqrtR_~xnp1~0 c_ULTIMATE.start_SqrtR_~xnp1~0))) (fp.gt (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) .cse1) .cse2) (fp.mul c_currentRoundingMode .cse1 .cse2))))) (or (and (exists ((ULTIMATE.start_SqrtR_~linf~0 (_ FloatingPoint 11 53))) (not (fp.lt (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 1000000.0))) (fp.add c_currentRoundingMode c_ULTIMATE.start_SqrtR_~xnp1~0 c_ULTIMATE.start_SqrtR_~xnp1~0)) ULTIMATE.start_SqrtR_~linf~0))) (not .cse0) (= c_ULTIMATE.start_SqrtR_~cond~0 (_ bv0 32))) (and (= c_ULTIMATE.start_SqrtR_~cond~0 (_ bv1 32)) (or (exists ((ULTIMATE.start_SqrtR_~linf~0 (_ FloatingPoint 11 53))) (fp.lt (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 1000000.0))) (fp.add c_currentRoundingMode c_ULTIMATE.start_SqrtR_~xnp1~0 c_ULTIMATE.start_SqrtR_~xnp1~0)) ULTIMATE.start_SqrtR_~linf~0)) .cse0)))) (= c_currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_SqrtR_~Input (_ FloatingPoint 11 53))) (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (and (fp.leq ULTIMATE.start_SqrtR_~Input (fp.add c_currentRoundingMode .cse3 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 100000000.0)))) (= (fp.div c_currentRoundingMode .cse3 ULTIMATE.start_SqrtR_~Input) c_ULTIMATE.start_SqrtR_~xnp1~0) (not (fp.leq ULTIMATE.start_SqrtR_~Input .cse3)))))) is different from false [2021-08-26 00:59:12,924 WARN L860 $PredicateComparison]: unable to prove that (and (let ((.cse0 (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 1000000.0))) (.cse2 (fp.add c_currentRoundingMode c_ULTIMATE.start_SqrtR_~xnp1~0 c_ULTIMATE.start_SqrtR_~xnp1~0))) (fp.gt (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) .cse1) .cse2) (fp.mul c_currentRoundingMode .cse1 .cse2))))) (or (and (exists ((ULTIMATE.start_SqrtR_~linf~0 (_ FloatingPoint 11 53))) (not (fp.lt (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 1000000.0))) (fp.add c_currentRoundingMode c_ULTIMATE.start_SqrtR_~xnp1~0 c_ULTIMATE.start_SqrtR_~xnp1~0)) ULTIMATE.start_SqrtR_~linf~0))) (not .cse0) (= c_ULTIMATE.start_SqrtR_~cond~0 (_ bv0 32))) (and (= c_ULTIMATE.start_SqrtR_~cond~0 (_ bv1 32)) (or (exists ((ULTIMATE.start_SqrtR_~linf~0 (_ FloatingPoint 11 53))) (fp.lt (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 1000000.0))) (fp.add c_currentRoundingMode c_ULTIMATE.start_SqrtR_~xnp1~0 c_ULTIMATE.start_SqrtR_~xnp1~0)) ULTIMATE.start_SqrtR_~linf~0)) .cse0)))) (= c_currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_SqrtR_~Input (_ FloatingPoint 11 53))) (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (and (fp.leq ULTIMATE.start_SqrtR_~Input (fp.add c_currentRoundingMode .cse3 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 100000000.0)))) (= (fp.div c_currentRoundingMode .cse3 ULTIMATE.start_SqrtR_~Input) c_ULTIMATE.start_SqrtR_~xnp1~0) (not (fp.leq ULTIMATE.start_SqrtR_~Input .cse3)))))) is different from true [2021-08-26 00:59:42,134 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((ULTIMATE.start_SqrtR_~linf~0 (_ FloatingPoint 11 53))) (not (fp.lt (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 1000000.0))) (fp.add c_currentRoundingMode c_ULTIMATE.start_SqrtR_~xnp1~0 c_ULTIMATE.start_SqrtR_~xnp1~0)) ULTIMATE.start_SqrtR_~linf~0))) (= c_currentRoundingMode roundNearestTiesToEven) (not (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 1000000.0))) (.cse1 (fp.add c_currentRoundingMode c_ULTIMATE.start_SqrtR_~xnp1~0 c_ULTIMATE.start_SqrtR_~xnp1~0))) (fp.gt (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) .cse0) .cse1) (fp.mul c_currentRoundingMode .cse0 .cse1)))) (exists ((ULTIMATE.start_SqrtR_~Input (_ FloatingPoint 11 53))) (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (and (fp.leq ULTIMATE.start_SqrtR_~Input (fp.add c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 100000000.0)))) (= (fp.div c_currentRoundingMode .cse2 ULTIMATE.start_SqrtR_~Input) c_ULTIMATE.start_SqrtR_~xnp1~0) (not (fp.leq ULTIMATE.start_SqrtR_~Input .cse2)))))) is different from false [2021-08-26 00:59:44,230 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((ULTIMATE.start_SqrtR_~linf~0 (_ FloatingPoint 11 53))) (not (fp.lt (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 1000000.0))) (fp.add c_currentRoundingMode c_ULTIMATE.start_SqrtR_~xnp1~0 c_ULTIMATE.start_SqrtR_~xnp1~0)) ULTIMATE.start_SqrtR_~linf~0))) (= c_currentRoundingMode roundNearestTiesToEven) (not (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 1000000.0))) (.cse1 (fp.add c_currentRoundingMode c_ULTIMATE.start_SqrtR_~xnp1~0 c_ULTIMATE.start_SqrtR_~xnp1~0))) (fp.gt (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) .cse0) .cse1) (fp.mul c_currentRoundingMode .cse0 .cse1)))) (exists ((ULTIMATE.start_SqrtR_~Input (_ FloatingPoint 11 53))) (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (and (fp.leq ULTIMATE.start_SqrtR_~Input (fp.add c_currentRoundingMode .cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 100000000.0)))) (= (fp.div c_currentRoundingMode .cse2 ULTIMATE.start_SqrtR_~Input) c_ULTIMATE.start_SqrtR_~xnp1~0) (not (fp.leq ULTIMATE.start_SqrtR_~Input .cse2)))))) is different from true [2021-08-26 00:59:49,999 WARN L207 SmtUtils]: Spent 5.75 s on a formula simplification that was a NOOP. DAG size: 15 [2021-08-26 00:59:55,654 WARN L207 SmtUtils]: Spent 5.65 s on a formula simplification that was a NOOP. DAG size: 8 [2021-08-26 01:00:01,358 WARN L207 SmtUtils]: Spent 5.70 s on a formula simplification that was a NOOP. DAG size: 15 [2021-08-26 01:00:07,196 WARN L207 SmtUtils]: Spent 5.84 s on a formula simplification that was a NOOP. DAG size: 15 [2021-08-26 01:00:13,249 WARN L207 SmtUtils]: Spent 6.05 s on a formula simplification that was a NOOP. DAG size: 6 [2021-08-26 01:00:18,693 WARN L207 SmtUtils]: Spent 5.44 s on a formula simplification that was a NOOP. DAG size: 8 [2021-08-26 01:00:21,246 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((ULTIMATE.start_SqrtR_~Input (_ FloatingPoint 11 53)) (ULTIMATE.start_SqrtR_~linf~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (let ((.cse4 (fp.div c_currentRoundingMode .cse0 ULTIMATE.start_SqrtR_~Input))) (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 1000000.0))) (.cse3 (fp.add c_currentRoundingMode .cse4 .cse4))) (let ((.cse1 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) .cse2) .cse3))) (and (fp.leq ULTIMATE.start_SqrtR_~Input (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 100000000.0)))) (not (fp.gt .cse1 (fp.mul c_currentRoundingMode .cse2 .cse3))) (not (fp.lt .cse1 ULTIMATE.start_SqrtR_~linf~0)) (not (fp.leq ULTIMATE.start_SqrtR_~Input .cse0)) (= |c_ULTIMATE.start_SqrtR_#res| (fp.div c_currentRoundingMode .cse0 .cse4)))))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-08-26 01:00:27,225 WARN L207 SmtUtils]: Spent 5.92 s on a formula simplification that was a NOOP. DAG size: 15 [2021-08-26 01:00:35,581 WARN L207 SmtUtils]: Spent 5.86 s on a formula simplification that was a NOOP. DAG size: 15 [2021-08-26 01:00:41,543 WARN L207 SmtUtils]: Spent 5.96 s on a formula simplification that was a NOOP. DAG size: 15 [2021-08-26 01:00:47,363 WARN L207 SmtUtils]: Spent 5.82 s on a formula simplification that was a NOOP. DAG size: 8 [2021-08-26 01:00:53,124 WARN L207 SmtUtils]: Spent 5.76 s on a formula simplification that was a NOOP. DAG size: 15 [2021-08-26 01:00:58,960 WARN L207 SmtUtils]: Spent 5.83 s on a formula simplification that was a NOOP. DAG size: 9 [2021-08-26 01:01:04,764 WARN L207 SmtUtils]: Spent 5.80 s on a formula simplification that was a NOOP. DAG size: 9 [2021-08-26 01:01:10,541 WARN L207 SmtUtils]: Spent 5.78 s on a formula simplification that was a NOOP. DAG size: 6 [2021-08-26 01:01:18,856 WARN L207 SmtUtils]: Spent 5.80 s on a formula simplification that was a NOOP. DAG size: 15 [2021-08-26 01:01:27,358 WARN L207 SmtUtils]: Spent 5.98 s on a formula simplification that was a NOOP. DAG size: 15 [2021-08-26 01:01:33,159 WARN L207 SmtUtils]: Spent 5.80 s on a formula simplification that was a NOOP. DAG size: 15 [2021-08-26 01:01:38,875 WARN L207 SmtUtils]: Spent 5.72 s on a formula simplification that was a NOOP. DAG size: 8 [2021-08-26 01:01:44,655 WARN L207 SmtUtils]: Spent 5.78 s on a formula simplification that was a NOOP. DAG size: 15 [2021-08-26 01:01:50,091 WARN L207 SmtUtils]: Spent 5.43 s on a formula simplification that was a NOOP. DAG size: 10 [2021-08-26 01:01:55,913 WARN L207 SmtUtils]: Spent 5.82 s on a formula simplification that was a NOOP. DAG size: 6 [2021-08-26 01:02:04,229 WARN L207 SmtUtils]: Spent 5.80 s on a formula simplification that was a NOOP. DAG size: 15 [2021-08-26 01:02:10,058 WARN L207 SmtUtils]: Spent 5.83 s on a formula simplification that was a NOOP. DAG size: 15 [2021-08-26 01:02:15,894 WARN L207 SmtUtils]: Spent 5.83 s on a formula simplification that was a NOOP. DAG size: 8 [2021-08-26 01:02:21,688 WARN L207 SmtUtils]: Spent 5.79 s on a formula simplification that was a NOOP. DAG size: 15 [2021-08-26 01:02:27,180 WARN L207 SmtUtils]: Spent 5.49 s on a formula simplification that was a NOOP. DAG size: 10 [2021-08-26 01:02:32,983 WARN L207 SmtUtils]: Spent 5.80 s on a formula simplification that was a NOOP. DAG size: 6 [2021-08-26 01:02:38,797 WARN L207 SmtUtils]: Spent 5.81 s on a formula simplification that was a NOOP. DAG size: 15 [2021-08-26 01:02:44,641 WARN L207 SmtUtils]: Spent 5.84 s on a formula simplification that was a NOOP. DAG size: 8 [2021-08-26 01:02:50,432 WARN L207 SmtUtils]: Spent 5.79 s on a formula simplification that was a NOOP. DAG size: 15 [2021-08-26 01:02:56,256 WARN L207 SmtUtils]: Spent 5.82 s on a formula simplification that was a NOOP. DAG size: 6 [2021-08-26 01:03:02,044 WARN L207 SmtUtils]: Spent 5.79 s on a formula simplification that was a NOOP. DAG size: 10 [2021-08-26 01:03:07,822 WARN L207 SmtUtils]: Spent 5.78 s on a formula simplification that was a NOOP. DAG size: 10 [2021-08-26 01:03:13,655 WARN L207 SmtUtils]: Spent 5.79 s on a formula simplification that was a NOOP. DAG size: 15 [2021-08-26 01:03:19,498 WARN L207 SmtUtils]: Spent 5.84 s on a formula simplification that was a NOOP. DAG size: 8 [2021-08-26 01:03:25,300 WARN L207 SmtUtils]: Spent 5.80 s on a formula simplification that was a NOOP. DAG size: 15 [2021-08-26 01:03:31,131 WARN L207 SmtUtils]: Spent 5.83 s on a formula simplification that was a NOOP. DAG size: 3 [2021-08-26 01:03:36,954 WARN L207 SmtUtils]: Spent 5.82 s on a formula simplification that was a NOOP. DAG size: 10 [2021-08-26 01:03:42,777 WARN L207 SmtUtils]: Spent 5.82 s on a formula simplification that was a NOOP. DAG size: 10 [2021-08-26 01:03:48,549 WARN L207 SmtUtils]: Spent 5.77 s on a formula simplification that was a NOOP. DAG size: 9 [2021-08-26 01:03:54,288 WARN L207 SmtUtils]: Spent 5.74 s on a formula simplification that was a NOOP. DAG size: 9 [2021-08-26 01:04:00,065 WARN L207 SmtUtils]: Spent 5.78 s on a formula simplification that was a NOOP. DAG size: 3 [2021-08-26 01:04:05,871 WARN L207 SmtUtils]: Spent 5.81 s on a formula simplification that was a NOOP. DAG size: 6 [2021-08-26 01:04:08,425 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_SqrtR_~Input (_ FloatingPoint 11 53)) (ULTIMATE.start_SqrtR_~linf~0 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (let ((.cse7 (fp.div roundNearestTiesToEven .cse1 ULTIMATE.start_SqrtR_~Input))) (let ((.cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000.0))) (.cse3 (fp.add roundNearestTiesToEven .cse7 .cse7))) (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) .cse2) .cse3))) (and (not (fp.lt .cse0 ULTIMATE.start_SqrtR_~linf~0)) (fp.leq ULTIMATE.start_SqrtR_~Input (fp.add roundNearestTiesToEven .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 100000000.0)))) (not (fp.gt .cse0 (fp.mul roundNearestTiesToEven .cse2 .cse3))) (let ((.cse6 (fp.div roundNearestTiesToEven .cse1 .cse7))) (let ((.cse4 (fp.geq .cse6 ((_ to_fp 11 53) roundNearestTiesToEven (/ 9.0 10.0)))) (.cse5 (fp.leq .cse6 ((_ to_fp 11 53) roundNearestTiesToEven 5.0)))) (or (and (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)) (or (not .cse4) (not .cse5))) (and .cse4 .cse5 (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)))))) (not (fp.leq ULTIMATE.start_SqrtR_~Input .cse1)))))))) is different from false [2021-08-26 01:04:10,757 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_SqrtR_~Input (_ FloatingPoint 11 53)) (ULTIMATE.start_SqrtR_~linf~0 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (let ((.cse7 (fp.div roundNearestTiesToEven .cse1 ULTIMATE.start_SqrtR_~Input))) (let ((.cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000.0))) (.cse3 (fp.add roundNearestTiesToEven .cse7 .cse7))) (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) .cse2) .cse3))) (and (not (fp.lt .cse0 ULTIMATE.start_SqrtR_~linf~0)) (fp.leq ULTIMATE.start_SqrtR_~Input (fp.add roundNearestTiesToEven .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 100000000.0)))) (not (fp.gt .cse0 (fp.mul roundNearestTiesToEven .cse2 .cse3))) (let ((.cse6 (fp.div roundNearestTiesToEven .cse1 .cse7))) (let ((.cse4 (fp.geq .cse6 ((_ to_fp 11 53) roundNearestTiesToEven (/ 9.0 10.0)))) (.cse5 (fp.leq .cse6 ((_ to_fp 11 53) roundNearestTiesToEven 5.0)))) (or (and (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)) (or (not .cse4) (not .cse5))) (and .cse4 .cse5 (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)))))) (not (fp.leq ULTIMATE.start_SqrtR_~Input .cse1)))))))) is different from true [2021-08-26 01:04:19,043 WARN L207 SmtUtils]: Spent 5.78 s on a formula simplification that was a NOOP. DAG size: 15 [2021-08-26 01:04:27,300 WARN L207 SmtUtils]: Spent 5.77 s on a formula simplification that was a NOOP. DAG size: 15 [2021-08-26 01:04:32,997 WARN L207 SmtUtils]: Spent 5.70 s on a formula simplification that was a NOOP. DAG size: 15 [2021-08-26 01:04:38,701 WARN L207 SmtUtils]: Spent 5.70 s on a formula simplification that was a NOOP. DAG size: 8 [2021-08-26 01:04:44,435 WARN L207 SmtUtils]: Spent 5.73 s on a formula simplification that was a NOOP. DAG size: 15 [2021-08-26 01:04:49,817 WARN L207 SmtUtils]: Spent 5.38 s on a formula simplification that was a NOOP. DAG size: 10 [2021-08-26 01:04:55,581 WARN L207 SmtUtils]: Spent 5.76 s on a formula simplification that was a NOOP. DAG size: 6 [2021-08-26 01:05:03,839 WARN L207 SmtUtils]: Spent 5.78 s on a formula simplification that was a NOOP. DAG size: 15 [2021-08-26 01:05:09,844 WARN L207 SmtUtils]: Spent 6.00 s on a formula simplification that was a NOOP. DAG size: 15 [2021-08-26 01:05:15,651 WARN L207 SmtUtils]: Spent 5.81 s on a formula simplification that was a NOOP. DAG size: 8 [2021-08-26 01:05:21,565 WARN L207 SmtUtils]: Spent 5.91 s on a formula simplification that was a NOOP. DAG size: 15 [2021-08-26 01:05:27,046 WARN L207 SmtUtils]: Spent 5.48 s on a formula simplification that was a NOOP. DAG size: 10 [2021-08-26 01:05:32,997 WARN L207 SmtUtils]: Spent 5.95 s on a formula simplification that was a NOOP. DAG size: 6 [2021-08-26 01:05:38,824 WARN L207 SmtUtils]: Spent 5.83 s on a formula simplification that was a NOOP. DAG size: 15 [2021-08-26 01:05:44,672 WARN L207 SmtUtils]: Spent 5.85 s on a formula simplification that was a NOOP. DAG size: 8 [2021-08-26 01:05:50,516 WARN L207 SmtUtils]: Spent 5.84 s on a formula simplification that was a NOOP. DAG size: 15 [2021-08-26 01:05:56,322 WARN L207 SmtUtils]: Spent 5.80 s on a formula simplification that was a NOOP. DAG size: 6 [2021-08-26 01:06:02,083 WARN L207 SmtUtils]: Spent 5.76 s on a formula simplification that was a NOOP. DAG size: 10 [2021-08-26 01:06:07,846 WARN L207 SmtUtils]: Spent 5.76 s on a formula simplification that was a NOOP. DAG size: 10 [2021-08-26 01:06:10,342 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_SqrtR_~Input (_ FloatingPoint 11 53)) (ULTIMATE.start_SqrtR_~linf~0 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (let ((.cse5 (fp.div roundNearestTiesToEven .cse1 ULTIMATE.start_SqrtR_~Input))) (let ((.cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000.0))) (.cse3 (fp.add roundNearestTiesToEven .cse5 .cse5))) (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) .cse2) .cse3))) (and (not (fp.lt .cse0 ULTIMATE.start_SqrtR_~linf~0)) (fp.leq ULTIMATE.start_SqrtR_~Input (fp.add roundNearestTiesToEven .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 100000000.0)))) (not (fp.gt .cse0 (fp.mul roundNearestTiesToEven .cse2 .cse3))) (not (fp.leq ULTIMATE.start_SqrtR_~Input .cse1)) (let ((.cse4 (fp.div roundNearestTiesToEven .cse1 .cse5))) (or (not (fp.geq .cse4 ((_ to_fp 11 53) roundNearestTiesToEven (/ 9.0 10.0)))) (not (fp.leq .cse4 ((_ to_fp 11 53) roundNearestTiesToEven 5.0))))))))))) is different from false [2021-08-26 01:06:12,660 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_SqrtR_~Input (_ FloatingPoint 11 53)) (ULTIMATE.start_SqrtR_~linf~0 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (let ((.cse5 (fp.div roundNearestTiesToEven .cse1 ULTIMATE.start_SqrtR_~Input))) (let ((.cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000.0))) (.cse3 (fp.add roundNearestTiesToEven .cse5 .cse5))) (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) .cse2) .cse3))) (and (not (fp.lt .cse0 ULTIMATE.start_SqrtR_~linf~0)) (fp.leq ULTIMATE.start_SqrtR_~Input (fp.add roundNearestTiesToEven .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 100000000.0)))) (not (fp.gt .cse0 (fp.mul roundNearestTiesToEven .cse2 .cse3))) (not (fp.leq ULTIMATE.start_SqrtR_~Input .cse1)) (let ((.cse4 (fp.div roundNearestTiesToEven .cse1 .cse5))) (or (not (fp.geq .cse4 ((_ to_fp 11 53) roundNearestTiesToEven (/ 9.0 10.0)))) (not (fp.leq .cse4 ((_ to_fp 11 53) roundNearestTiesToEven 5.0))))))))))) is different from true [2021-08-26 01:06:12,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 01:06:12,661 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 01:06:25,091 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) c_ULTIMATE.start_SqrtR_~xnp1~0))) (and (fp.geq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 9.0 10.0))) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 5.0)))) is different from false [2021-08-26 01:06:27,321 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) c_ULTIMATE.start_SqrtR_~xnp1~0))) (and (fp.geq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 9.0 10.0))) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 5.0)))) is different from true [2021-08-26 01:06:44,060 WARN L838 $PredicateComparison]: unable to prove that (or (let ((.cse0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) c_ULTIMATE.start_SqrtR_~xnp1~0))) (and (fp.geq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 9.0 10.0))) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 5.0)))) (not (= c_ULTIMATE.start_SqrtR_~cond~0 (_ bv0 32)))) is different from false [2021-08-26 01:06:46,266 WARN L860 $PredicateComparison]: unable to prove that (or (let ((.cse0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) c_ULTIMATE.start_SqrtR_~xnp1~0))) (and (fp.geq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 9.0 10.0))) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 5.0)))) (not (= c_ULTIMATE.start_SqrtR_~cond~0 (_ bv0 32)))) is different from true [2021-08-26 01:06:56,414 WARN L207 SmtUtils]: Spent 5.14 s on a formula simplification that was a NOOP. DAG size: 8 [2021-08-26 01:07:01,499 WARN L207 SmtUtils]: Spent 5.08 s on a formula simplification that was a NOOP. DAG size: 8 [2021-08-26 01:07:06,617 WARN L207 SmtUtils]: Spent 5.12 s on a formula simplification that was a NOOP. DAG size: 10 [2021-08-26 01:07:08,949 WARN L838 $PredicateComparison]: unable to prove that (or (let ((.cse0 (fp.add c_currentRoundingMode c_ULTIMATE.start_SqrtR_~xn~0 c_ULTIMATE.start_SqrtR_~xn~0))) (fp.gt (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) c_~_EPS~0) .cse0) (fp.mul c_currentRoundingMode c_~_EPS~0 .cse0))) (let ((.cse1 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) c_ULTIMATE.start_SqrtR_~xn~0))) (and (fp.geq .cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 9.0 10.0))) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 5.0)))) (forall ((v_ULTIMATE.start_SqrtR_~linf~0_7 (_ FloatingPoint 11 53))) (fp.lt (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) c_~_EPS~0) (fp.add c_currentRoundingMode c_ULTIMATE.start_SqrtR_~xn~0 c_ULTIMATE.start_SqrtR_~xn~0)) v_ULTIMATE.start_SqrtR_~linf~0_7))) is different from false [2021-08-26 01:07:11,263 WARN L860 $PredicateComparison]: unable to prove that (or (let ((.cse0 (fp.add c_currentRoundingMode c_ULTIMATE.start_SqrtR_~xn~0 c_ULTIMATE.start_SqrtR_~xn~0))) (fp.gt (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) c_~_EPS~0) .cse0) (fp.mul c_currentRoundingMode c_~_EPS~0 .cse0))) (let ((.cse1 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) c_ULTIMATE.start_SqrtR_~xn~0))) (and (fp.geq .cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 9.0 10.0))) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode 5.0)))) (forall ((v_ULTIMATE.start_SqrtR_~linf~0_7 (_ FloatingPoint 11 53))) (fp.lt (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) c_~_EPS~0) (fp.add c_currentRoundingMode c_ULTIMATE.start_SqrtR_~xn~0 c_ULTIMATE.start_SqrtR_~xn~0)) v_ULTIMATE.start_SqrtR_~linf~0_7))) is different from true [2021-08-26 01:07:12,680 WARN L224 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-08-26 01:07:12,681 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 01:07:12,681 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [590746058] [2021-08-26 01:07:12,682 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") [2021-08-26 01:07:12,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [377220774] [2021-08-26 01:07:12,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 01:07:12,682 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-08-26 01:07:12,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2021-08-26 01:07:12,684 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-08-26 01:07:12,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2021-08-26 01:07:12,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-08-26 01:07:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 01:07:17,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 17 conjunts are in the unsatisfiable core [2021-08-26 01:07:17,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 01:07:17,694 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken [2021-08-26 01:07:17,694 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017076956] [2021-08-26 01:07:17,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 01:07:17,694 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 01:07:17,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 01:07:17,695 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 01:07:17,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-26 01:08:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 01:08:37,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 19 conjunts are in the unsatisfiable core [2021-08-26 01:08:37,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 01:08:37,996 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken [2021-08-26 01:08:37,996 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-08-26 01:08:37,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-08-26 01:08:37,996 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-08-26 01:08:37,997 INFO L626 BasicCegarLoop]: Counterexample might be feasible [2021-08-26 01:08:38,000 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 01:08:38,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2021-08-26 01:08:38,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-26 01:08:38,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-08-26 01:08:38,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 01:08:38,606 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 01:08:38,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 01:08:38 BoogieIcfgContainer [2021-08-26 01:08:38,626 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 01:08:38,627 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 01:08:38,627 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 01:08:38,628 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 01:08:38,629 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 12:57:10" (3/4) ... [2021-08-26 01:08:38,631 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-26 01:08:38,631 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 01:08:38,633 INFO L168 Benchmark]: Toolchain (without parser) took 697021.91 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 34.8 MB in the beginning and 44.0 MB in the end (delta: -9.2 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. [2021-08-26 01:08:38,633 INFO L168 Benchmark]: CDTParser took 1.64 ms. Allocated memory is still 56.6 MB. Free memory was 38.1 MB in the beginning and 38.1 MB in the end (delta: 29.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 01:08:38,634 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.93 ms. Allocated memory is still 56.6 MB. Free memory was 34.5 MB in the beginning and 37.7 MB in the end (delta: -3.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-26 01:08:38,637 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.07 ms. Allocated memory is still 56.6 MB. Free memory was 37.7 MB in the beginning and 36.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 01:08:38,637 INFO L168 Benchmark]: Boogie Preprocessor took 51.58 ms. Allocated memory is still 56.6 MB. Free memory was 36.0 MB in the beginning and 34.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 01:08:38,637 INFO L168 Benchmark]: RCFGBuilder took 8871.61 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 34.7 MB in the beginning and 47.6 MB in the end (delta: -12.9 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. [2021-08-26 01:08:38,638 INFO L168 Benchmark]: TraceAbstraction took 687749.05 ms. Allocated memory is still 69.2 MB. Free memory was 47.0 MB in the beginning and 44.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB. [2021-08-26 01:08:38,638 INFO L168 Benchmark]: Witness Printer took 4.88 ms. Allocated memory is still 69.2 MB. Free memory is still 44.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 01:08:38,639 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.64 ms. Allocated memory is still 56.6 MB. Free memory was 38.1 MB in the beginning and 38.1 MB in the end (delta: 29.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 288.93 ms. Allocated memory is still 56.6 MB. Free memory was 34.5 MB in the beginning and 37.7 MB in the end (delta: -3.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.07 ms. Allocated memory is still 56.6 MB. Free memory was 37.7 MB in the beginning and 36.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.58 ms. Allocated memory is still 56.6 MB. Free memory was 36.0 MB in the beginning and 34.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 8871.61 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 34.7 MB in the beginning and 47.6 MB in the end (delta: -12.9 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 687749.05 ms. Allocated memory is still 69.2 MB. Free memory was 47.0 MB in the beginning and 44.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB. * Witness Printer took 4.88 ms. Allocated memory is still 69.2 MB. Free memory is still 44.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 13]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L15] double _EPS = 1e-6; [L42] double d, dd, r; [L43] double epsilon = 1e-8; [L45] d = 1. [L45] COND TRUE d <= 20. [L47] dd = __VERIFIER_nondet_double() [L11] COND FALSE !(!cond) [L19] double xn, xnp1, residu, lsup, linf; [L20] int i, cond; [L21] COND FALSE !(Input <= 1.0) [L21] xn = 1.0/Input [L22] xnp1 = xn [L23] residu = 2.0*_EPS*(xn+xnp1) [L24] lsup = _EPS * (xn+xnp1) [L25] linf = -lsup [L26] cond = ((residu > lsup) || (residu < linf)) [L27] i = 0 [L28] COND FALSE !(\read(cond)) [L37] return 1.0 / xnp1; [L50] r = SqrtR(dd) [L13] COND TRUE !(cond) [L13] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 687675.5ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 8.1ms, AutomataDifference: 20506.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 31 SDtfs, 2 SDslu, 29 SDs, 0 SdLazy, 25 SolverSat, 0 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 16771.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 9918.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=2, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 13.9ms AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 26.9ms SsaConstructionTime, 2432.5ms SatisfiabilityAnalysisTime, 33174.5ms InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 44 ConstructedInterpolants, 6 QuantifiedInterpolants, 372 SizeOfPredicates, 7 NumberOfNonLiveVariables, 94 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...