./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8d31f386 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_Householder_interval.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 f60c1e7f1bcabd47cf7b5def116f38f131aaa102 ......................................................................................................................................................................................................................................................................................................... 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_Householder_interval.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 f60c1e7f1bcabd47cf7b5def116f38f131aaa102 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-04 23:46:29,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-04 23:46:29,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-04 23:46:29,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-04 23:46:29,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-04 23:46:29,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-04 23:46:29,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-04 23:46:29,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-04 23:46:29,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-04 23:46:29,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-04 23:46:29,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-04 23:46:29,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-04 23:46:29,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-04 23:46:29,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-04 23:46:29,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-04 23:46:29,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-04 23:46:29,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-04 23:46:29,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-04 23:46:29,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-04 23:46:29,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-04 23:46:29,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-04 23:46:29,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-04 23:46:29,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-04 23:46:29,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-04 23:46:29,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-04 23:46:29,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-04 23:46:29,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-04 23:46:29,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-04 23:46:29,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-04 23:46:29,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-04 23:46:29,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-04 23:46:29,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-04 23:46:29,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-04 23:46:29,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-04 23:46:29,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-04 23:46:29,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-04 23:46:29,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-04 23:46:29,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-04 23:46:29,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-04 23:46:29,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-04 23:46:29,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-04 23:46:29,475 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-04 23:46:29,509 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-04 23:46:29,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-04 23:46:29,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-04 23:46:29,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-04 23:46:29,512 INFO L138 SettingsManager]: * Use SBE=true [2021-07-04 23:46:29,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-04 23:46:29,512 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-04 23:46:29,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-04 23:46:29,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-04 23:46:29,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-04 23:46:29,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-04 23:46:29,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-04 23:46:29,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-04 23:46:29,514 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-04 23:46:29,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-04 23:46:29,515 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-04 23:46:29,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-04 23:46:29,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-04 23:46:29,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-04 23:46:29,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-04 23:46:29,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-04 23:46:29,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-04 23:46:29,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-04 23:46:29,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-04 23:46:29,517 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-04 23:46:29,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-04 23:46:29,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-04 23:46:29,518 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-04 23:46:29,518 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f60c1e7f1bcabd47cf7b5def116f38f131aaa102 [2021-07-04 23:46:29,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-04 23:46:29,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-04 23:46:29,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-04 23:46:29,886 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-04 23:46:29,886 INFO L275 PluginConnector]: CDTParser initialized [2021-07-04 23:46:29,887 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c [2021-07-04 23:46:29,957 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35de618e2/ede954c0dd774068b5d6fa7d6202642a/FLAG00eb68cb1 [2021-07-04 23:46:30,339 INFO L306 CDTParser]: Found 1 translation units. [2021-07-04 23:46:30,340 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c [2021-07-04 23:46:30,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35de618e2/ede954c0dd774068b5d6fa7d6202642a/FLAG00eb68cb1 [2021-07-04 23:46:30,362 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35de618e2/ede954c0dd774068b5d6fa7d6202642a [2021-07-04 23:46:30,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-04 23:46:30,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-04 23:46:30,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-04 23:46:30,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-04 23:46:30,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-04 23:46:30,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.07 11:46:30" (1/1) ... [2021-07-04 23:46:30,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b10b976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:46:30, skipping insertion in model container [2021-07-04 23:46:30,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.07 11:46:30" (1/1) ... [2021-07-04 23:46:30,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-04 23:46:30,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-04 23:46:30,485 WARN L224 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_Householder_interval.c[831,844] [2021-07-04 23:46:30,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-04 23:46:30,506 INFO L203 MainTranslator]: Completed pre-run [2021-07-04 23:46:30,515 WARN L224 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_Householder_interval.c[831,844] [2021-07-04 23:46:30,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-04 23:46:30,532 INFO L208 MainTranslator]: Completed translation [2021-07-04 23:46:30,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:46:30 WrapperNode [2021-07-04 23:46:30,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-04 23:46:30,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-04 23:46:30,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-04 23:46:30,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-04 23:46:30,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:46:30" (1/1) ... [2021-07-04 23:46:30,583 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:46:30" (1/1) ... [2021-07-04 23:46:30,603 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-04 23:46:30,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-04 23:46:30,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-04 23:46:30,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-04 23:46:30,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:46:30" (1/1) ... [2021-07-04 23:46:30,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:46:30" (1/1) ... [2021-07-04 23:46:30,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:46:30" (1/1) ... [2021-07-04 23:46:30,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:46:30" (1/1) ... [2021-07-04 23:46:30,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:46:30" (1/1) ... [2021-07-04 23:46:30,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:46:30" (1/1) ... [2021-07-04 23:46:30,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:46:30" (1/1) ... [2021-07-04 23:46:30,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-04 23:46:30,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-04 23:46:30,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-04 23:46:30,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-04 23:46:30,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:46:30" (1/1) ... [2021-07-04 23:46:30,651 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-04 23:46:30,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-04 23:46:30,674 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) [2021-07-04 23:46:30,708 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 [2021-07-04 23:46:30,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-04 23:46:30,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-04 23:46:30,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-04 23:46:30,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-04 23:46:31,002 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-04 23:46:31,003 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-07-04 23:46:31,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 11:46:31 BoogieIcfgContainer [2021-07-04 23:46:31,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-04 23:46:31,005 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-04 23:46:31,005 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-04 23:46:31,008 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-04 23:46:31,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.07 11:46:30" (1/3) ... [2021-07-04 23:46:31,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52330e77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.07 11:46:31, skipping insertion in model container [2021-07-04 23:46:31,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:46:30" (2/3) ... [2021-07-04 23:46:31,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52330e77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.07 11:46:31, skipping insertion in model container [2021-07-04 23:46:31,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 11:46:31" (3/3) ... [2021-07-04 23:46:31,010 INFO L111 eAbstractionObserver]: Analyzing ICFG sqrt_Householder_interval.c [2021-07-04 23:46:31,016 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-04 23:46:31,016 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-04 23:46:31,084 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-04 23:46:31,095 INFO L329 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, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-04 23:46:31,096 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-04 23:46:31,107 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 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) [2021-07-04 23:46:31,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-07-04 23:46:31,111 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 23:46:31,111 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-04 23:46:31,112 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 23:46:31,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 23:46:31,118 INFO L82 PathProgramCache]: Analyzing trace with hash 334453616, now seen corresponding path program 1 times [2021-07-04 23:46:31,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 23:46:31,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100824243] [2021-07-04 23:46:31,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 23:46:31,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 23:46:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 23:46:31,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:31,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:31,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:31,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:31,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-04 23:46:31,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 23:46:31,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100824243] [2021-07-04 23:46:31,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100824243] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 23:46:31,271 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 23:46:31,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-04 23:46:31,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939766120] [2021-07-04 23:46:31,277 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-04 23:46:31,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 23:46:31,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-04 23:46:31,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-04 23:46:31,296 INFO L87 Difference]: Start difference. First operand has 16 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 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) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-07-04 23:46:31,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 23:46:31,308 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2021-07-04 23:46:31,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-04 23:46:31,310 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2021-07-04 23:46:31,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 23:46:31,317 INFO L225 Difference]: With dead ends: 29 [2021-07-04 23:46:31,317 INFO L226 Difference]: Without dead ends: 12 [2021-07-04 23:46:31,319 INFO L795 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 [2021-07-04 23:46:31,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2021-07-04 23:46:31,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-07-04 23:46:31,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 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) [2021-07-04 23:46:31,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2021-07-04 23:46:31,345 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 11 [2021-07-04 23:46:31,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 23:46:31,345 INFO L442 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2021-07-04 23:46:31,345 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-07-04 23:46:31,346 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-07-04 23:46:31,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-07-04 23:46:31,347 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 23:46:31,347 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-04 23:46:31,347 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-04 23:46:31,347 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 23:46:31,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 23:46:31,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1014511986, now seen corresponding path program 1 times [2021-07-04 23:46:31,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 23:46:31,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221004047] [2021-07-04 23:46:31,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 23:46:31,352 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 23:46:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-04 23:46:31,394 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-04 23:46:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-04 23:46:31,427 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-04 23:46:31,451 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-04 23:46:31,452 INFO L639 BasicCegarLoop]: Counterexample is feasible [2021-07-04 23:46:31,455 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-04 23:46:31,455 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-04 23:46:31,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.07 11:46:31 BoogieIcfgContainer [2021-07-04 23:46:31,489 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-04 23:46:31,490 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-04 23:46:31,490 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-04 23:46:31,490 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-04 23:46:31,491 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 11:46:31" (3/4) ... [2021-07-04 23:46:31,496 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-07-04 23:46:31,496 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-04 23:46:31,498 INFO L168 Benchmark]: Toolchain (without parser) took 1131.35 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 43.9 MB in the beginning and 39.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-07-04 23:46:31,498 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 62.9 MB. Free memory is still 45.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 23:46:31,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 166.31 ms. Allocated memory is still 62.9 MB. Free memory was 43.6 MB in the beginning and 33.5 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-07-04 23:46:31,501 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.97 ms. Allocated memory is still 62.9 MB. Free memory was 33.5 MB in the beginning and 46.9 MB in the end (delta: -13.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. [2021-07-04 23:46:31,505 INFO L168 Benchmark]: Boogie Preprocessor took 38.44 ms. Allocated memory is still 62.9 MB. Free memory was 46.9 MB in the beginning and 45.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-04 23:46:31,505 INFO L168 Benchmark]: RCFGBuilder took 360.05 ms. Allocated memory is still 62.9 MB. Free memory was 45.7 MB in the beginning and 32.7 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-07-04 23:46:31,506 INFO L168 Benchmark]: TraceAbstraction took 484.22 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 32.0 MB in the beginning and 39.7 MB in the end (delta: -7.6 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2021-07-04 23:46:31,507 INFO L168 Benchmark]: Witness Printer took 6.11 ms. Allocated memory is still 75.5 MB. Free memory was 39.7 MB in the beginning and 39.3 MB in the end (delta: 345.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 23:46:31,512 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 62.9 MB. Free memory is still 45.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 166.31 ms. Allocated memory is still 62.9 MB. Free memory was 43.6 MB in the beginning and 33.5 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.97 ms. Allocated memory is still 62.9 MB. Free memory was 33.5 MB in the beginning and 46.9 MB in the end (delta: -13.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.44 ms. Allocated memory is still 62.9 MB. Free memory was 46.9 MB in the beginning and 45.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 360.05 ms. Allocated memory is still 62.9 MB. Free memory was 45.7 MB in the beginning and 32.7 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 484.22 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 32.0 MB in the beginning and 39.7 MB in the end (delta: -7.6 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Witness Printer took 6.11 ms. Allocated memory is still 75.5 MB. Free memory was 39.7 MB in the beginning and 39.3 MB in the end (delta: 345.0 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: 20]: 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 56, overapproximation of someUnaryDOUBLEoperation at line 32, overapproximation of someBinaryArithmeticDOUBLEoperation at line 44. Possible FailurePath: [L22] double _EPS = 1e-6; VAL [_EPS=1/1000000] [L49] double d, r; [L51] d = __VERIFIER_nondet_double() [L18] COND FALSE !(!cond) VAL [_EPS=1/1000000] [L26] double xn, xnp1, residu, lsup, linf; [L27] int i, cond; VAL [_EPS=1/1000000] [L28] COND TRUE Input <= 1.0 [L28] xn = 1.0 VAL [_EPS=1/1000000] [L29] xnp1 = xn [L30] residu = 2.0*_EPS*(xn+xnp1) [L31] lsup = _EPS * (xn+xnp1) [L32] linf = -lsup [L33] cond = ((residu > lsup) || (residu < linf)) [L34] i = 0 VAL [_EPS=1/1000000] [L35] COND FALSE !(\read(cond)) VAL [_EPS=1/1000000] [L44] return 1.0 / xnp1; VAL [_EPS=1/1000000] [L54] r = SqrtR(d) [L20] COND TRUE !(cond) VAL [_EPS=1/1000000] [L20] reach_error() VAL [_EPS=1/1000000] - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 377.5ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 7.4ms, AutomataDifference: 41.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 17 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=16occurred 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: 14.0ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 13.7ms SsaConstructionTime, 62.9ms SatisfiabilityAnalysisTime, 44.8ms InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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 [2021-07-04 23:46:31,552 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-wip.dd.multireach-323-8d31f38 [2021-07-04 23:46:33,397 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2021-07-04 23:46:33,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-04 23:46:33,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-04 23:46:33,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-04 23:46:33,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-04 23:46:33,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-04 23:46:33,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-04 23:46:33,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-04 23:46:33,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-04 23:46:33,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-04 23:46:33,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-04 23:46:33,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-04 23:46:33,494 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-07-04 23:46:33,529 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-04 23:46:33,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-04 23:46:33,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-04 23:46:33,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-04 23:46:33,532 INFO L138 SettingsManager]: * Use SBE=true [2021-07-04 23:46:33,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-04 23:46:33,533 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-04 23:46:33,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-04 23:46:33,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-04 23:46:33,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-04 23:46:33,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-04 23:46:33,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-04 23:46:33,535 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-07-04 23:46:33,535 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-07-04 23:46:33,535 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-04 23:46:33,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-04 23:46:33,536 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-04 23:46:33,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-04 23:46:33,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-04 23:46:33,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-04 23:46:33,537 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-04 23:46:33,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-04 23:46:33,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-04 23:46:33,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-04 23:46:33,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-04 23:46:33,538 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-07-04 23:46:33,538 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-07-04 23:46:33,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-04 23:46:33,538 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-04 23:46:33,538 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-04 23:46:33,538 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f60c1e7f1bcabd47cf7b5def116f38f131aaa102 [2021-07-04 23:46:33,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-04 23:46:33,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-04 23:46:33,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-04 23:46:33,869 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-04 23:46:33,870 INFO L275 PluginConnector]: CDTParser initialized [2021-07-04 23:46:33,871 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c [2021-07-04 23:46:33,925 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d098c4f9f/f4f7c03d023540dda17ee01ef7b5d1de/FLAGbb3dbe321 [2021-07-04 23:46:34,320 INFO L306 CDTParser]: Found 1 translation units. [2021-07-04 23:46:34,321 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sqrt_Householder_interval.c [2021-07-04 23:46:34,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d098c4f9f/f4f7c03d023540dda17ee01ef7b5d1de/FLAGbb3dbe321 [2021-07-04 23:46:34,345 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d098c4f9f/f4f7c03d023540dda17ee01ef7b5d1de [2021-07-04 23:46:34,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-04 23:46:34,350 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-04 23:46:34,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-04 23:46:34,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-04 23:46:34,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-04 23:46:34,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.07 11:46:34" (1/1) ... [2021-07-04 23:46:34,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c7c372f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:46:34, skipping insertion in model container [2021-07-04 23:46:34,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.07 11:46:34" (1/1) ... [2021-07-04 23:46:34,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-04 23:46:34,378 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-04 23:46:34,522 WARN L224 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_Householder_interval.c[831,844] [2021-07-04 23:46:34,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-04 23:46:34,550 INFO L203 MainTranslator]: Completed pre-run [2021-07-04 23:46:34,596 WARN L224 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_Householder_interval.c[831,844] [2021-07-04 23:46:34,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-04 23:46:34,624 INFO L208 MainTranslator]: Completed translation [2021-07-04 23:46:34,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:46:34 WrapperNode [2021-07-04 23:46:34,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-04 23:46:34,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-04 23:46:34,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-04 23:46:34,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-04 23:46:34,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:46:34" (1/1) ... [2021-07-04 23:46:34,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:46:34" (1/1) ... [2021-07-04 23:46:34,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-04 23:46:34,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-04 23:46:34,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-04 23:46:34,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-04 23:46:34,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:46:34" (1/1) ... [2021-07-04 23:46:34,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:46:34" (1/1) ... [2021-07-04 23:46:34,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:46:34" (1/1) ... [2021-07-04 23:46:34,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:46:34" (1/1) ... [2021-07-04 23:46:34,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:46:34" (1/1) ... [2021-07-04 23:46:34,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:46:34" (1/1) ... [2021-07-04 23:46:34,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:46:34" (1/1) ... [2021-07-04 23:46:34,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-04 23:46:34,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-04 23:46:34,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-04 23:46:34,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-04 23:46:34,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:46:34" (1/1) ... [2021-07-04 23:46:34,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-04 23:46:34,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-04 23:46:34,728 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) [2021-07-04 23:46:34,741 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 [2021-07-04 23:46:34,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-07-04 23:46:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-04 23:46:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-04 23:46:34,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-04 23:46:43,866 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-04 23:46:43,866 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-07-04 23:46:43,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 11:46:43 BoogieIcfgContainer [2021-07-04 23:46:43,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-04 23:46:43,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-04 23:46:43,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-04 23:46:43,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-04 23:46:43,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.07 11:46:34" (1/3) ... [2021-07-04 23:46:43,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f9a5b2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.07 11:46:43, skipping insertion in model container [2021-07-04 23:46:43,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 11:46:34" (2/3) ... [2021-07-04 23:46:43,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f9a5b2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.07 11:46:43, skipping insertion in model container [2021-07-04 23:46:43,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 11:46:43" (3/3) ... [2021-07-04 23:46:43,887 INFO L111 eAbstractionObserver]: Analyzing ICFG sqrt_Householder_interval.c [2021-07-04 23:46:43,896 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-04 23:46:43,897 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-04 23:46:43,928 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-04 23:46:43,936 INFO L329 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, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-04 23:46:43,937 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-04 23:46:43,945 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 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) [2021-07-04 23:46:43,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-07-04 23:46:43,949 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 23:46:43,950 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-04 23:46:43,950 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 23:46:43,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 23:46:43,956 INFO L82 PathProgramCache]: Analyzing trace with hash 334453616, now seen corresponding path program 1 times [2021-07-04 23:46:43,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-07-04 23:46:43,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2124252949] [2021-07-04 23:46:43,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 23:46:43,967 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-07-04 23:46:43,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-07-04 23:46:43,969 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) [2021-07-04 23:46:43,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-07-04 23:46:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 23:46:45,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjunts are in the unsatisfiable core [2021-07-04 23:46:45,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-04 23:46:45,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-04 23:46:45,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-07-04 23:46:45,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:45,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:45,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-04 23:46:45,336 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-07-04 23:46:45,336 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2124252949] [2021-07-04 23:46:45,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2124252949] provided 2 perfect and 0 imperfect interpolant sequences [2021-07-04 23:46:45,337 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-07-04 23:46:45,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-07-04 23:46:45,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350221963] [2021-07-04 23:46:45,342 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-04 23:46:45,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-07-04 23:46:45,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-04 23:46:45,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-04 23:46:45,355 INFO L87 Difference]: Start difference. First operand has 16 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 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) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-07-04 23:46:45,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 23:46:45,366 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2021-07-04 23:46:45,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-04 23:46:45,367 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2021-07-04 23:46:45,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 23:46:45,373 INFO L225 Difference]: With dead ends: 29 [2021-07-04 23:46:45,373 INFO L226 Difference]: Without dead ends: 12 [2021-07-04 23:46:45,375 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-04 23:46:45,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2021-07-04 23:46:45,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-07-04 23:46:45,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 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) [2021-07-04 23:46:45,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2021-07-04 23:46:45,398 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 11 [2021-07-04 23:46:45,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 23:46:45,398 INFO L442 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2021-07-04 23:46:45,398 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-07-04 23:46:45,398 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-07-04 23:46:45,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-07-04 23:46:45,399 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 23:46:45,399 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-04 23:46:45,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-07-04 23:46:45,613 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-07-04 23:46:45,613 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 23:46:45,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 23:46:45,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1014511986, now seen corresponding path program 1 times [2021-07-04 23:46:45,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-07-04 23:46:45,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1423950155] [2021-07-04 23:46:45,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 23:46:45,615 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-07-04 23:46:45,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-07-04 23:46:45,616 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) [2021-07-04 23:46:45,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-07-04 23:46:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 23:46:46,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-04 23:46:46,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-04 23:46:46,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:46,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-04 23:46:46,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:46,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-04 23:46:46,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:46,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-04 23:46:46,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:46,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-04 23:46:46,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:46,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-04 23:46:46,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:46,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-04 23:46:46,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:46,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-04 23:46:46,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:46,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-04 23:46:46,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:46,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-04 23:46:46,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:46,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-04 23:46:46,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:46,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-04 23:46:46,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:46,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-04 23:46:46,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:46,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-04 23:46:46,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:46,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-04 23:46:46,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:46,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-04 23:46:46,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:46,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-04 23:46:46,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:46,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-04 23:46:46,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:46,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-04 23:46:46,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:46,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-04 23:46:46,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:46,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-04 23:46:47,151 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2021-07-04 23:46:47,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-04 23:46:47,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,173 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:46:47,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-04 23:46:47,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-04 23:46:47,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-04 23:46:47,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-04 23:46:47,474 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 3 [2021-07-04 23:46:47,477 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-04 23:46:47,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:47,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:47,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:47,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:47,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:47,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:47,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:47,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:47,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:47,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:47,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:47,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:47,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:47,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-04 23:46:47,486 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-07-04 23:46:47,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:47,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:47,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:47,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:47,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:47,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:47,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:47,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:47,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:47,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:47,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:47,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:47,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:47,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:47,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:47,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 23:46:47,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-04 23:46:47,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-04 23:46:47,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-04 23:46:47,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-04 23:46:47,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:46:47,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-04 23:46:47,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-04 23:46:47,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:46:47,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-04 23:46:47,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-04 23:46:47,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:46:47,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-04 23:46:47,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-04 23:46:47,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:46:47,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-04 23:46:47,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-04 23:46:47,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:46:47,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:47,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-04 23:46:47,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-04 23:46:49,733 WARN L838 $PredicateComparison]: unable to prove that (or (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)) (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)))) is different from false [2021-07-04 23:46:51,819 WARN L860 $PredicateComparison]: unable to prove that (or (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)) (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)))) is different from true [2021-07-04 23:46:51,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:51,821 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:46:51,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:51,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:46:51,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-04 23:46:51,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:51,825 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:46:51,825 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:51,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:46:51,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-04 23:46:51,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:51,827 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:46:51,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:51,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:46:51,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-04 23:46:51,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:51,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:46:51,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:51,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:46:51,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-04 23:46:51,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:51,832 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:46:51,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:51,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:46:51,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-04 23:46:53,851 WARN L838 $PredicateComparison]: unable to prove that (or (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) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (fp.add c_currentRoundingMode .cse0 .cse0))) v_ULTIMATE.start_SqrtR_~linf~0_7)) (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 [2021-07-04 23:46:54,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:46:54,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:46:54,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-04 23:46:54,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:46:54,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:46:54,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-04 23:46:54,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:46:54,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:46:54,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-04 23:46:54,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:46:54,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:46:54,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-04 23:46:54,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:46:54,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:46:54,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-04 23:46:54,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:46:54,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:46:54,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-04 23:46:54,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:46:54,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:46:54,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-04 23:46:54,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:46:54,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:46:54,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-04 23:46:54,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:46:54,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:46:54,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-04 23:46:54,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:46:54,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:46:54,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-04 23:46:54,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:46:54,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:46:54,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-04 23:46:54,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:46:54,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:46:54,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-04 23:46:54,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:46:54,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:46:54,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-04 23:46:54,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,507 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:46:54,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:46:54,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-04 23:46:54,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:46:54,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:46:54,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-04 23:46:54,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-04 23:46:54,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-04 23:46:54,512 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-07-04 23:46:54,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1423950155] [2021-07-04 23:46:54,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1423950155] provided 2 perfect and 0 imperfect interpolant sequences [2021-07-04 23:46:54,513 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-07-04 23:46:54,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2021-07-04 23:46:54,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204700204] [2021-07-04 23:46:54,514 INFO L425 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-04 23:46:54,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-07-04 23:46:54,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-04 23:46:54,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=20, Unknown=3, NotChecked=18, Total=56 [2021-07-04 23:46:54,517 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 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) [2021-07-04 23:46:58,462 WARN L860 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (= c_ULTIMATE.start_SqrtR_~xn~0 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) (or (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)) (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)))) (= c_~_EPS~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 1000000.0)))) is different from true [2021-07-04 23:47:07,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 23:47:07,874 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2021-07-04 23:47:07,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-04 23:47:07,875 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 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 11 [2021-07-04 23:47:07,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 23:47:07,876 INFO L225 Difference]: With dead ends: 19 [2021-07-04 23:47:07,876 INFO L226 Difference]: Without dead ends: 14 [2021-07-04 23:47:07,876 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 10730.7ms TimeCoverageRelationStatistics Valid=17, Invalid=21, Unknown=4, NotChecked=30, Total=72 [2021-07-04 23:47:07,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-07-04 23:47:07,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-07-04 23:47:07,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 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) [2021-07-04 23:47:07,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2021-07-04 23:47:07,879 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 11 [2021-07-04 23:47:07,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 23:47:07,879 INFO L442 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2021-07-04 23:47:07,880 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 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) [2021-07-04 23:47:07,880 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2021-07-04 23:47:07,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-07-04 23:47:07,880 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 23:47:07,880 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-04 23:47:07,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-07-04 23:47:08,089 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-07-04 23:47:08,089 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 23:47:08,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 23:47:08,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1505447948, now seen corresponding path program 1 times [2021-07-04 23:47:08,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-07-04 23:47:08,090 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [681490721] [2021-07-04 23:47:08,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 23:47:08,091 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-07-04 23:47:08,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-07-04 23:47:08,092 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) [2021-07-04 23:47:08,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-07-04 23:47:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 23:47:14,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-04 23:47:14,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-04 23:47:14,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:14,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-04 23:47:14,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:14,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-04 23:47:14,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:14,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-04 23:47:14,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:14,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-04 23:47:14,599 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2021-07-04 23:47:14,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:14,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-04 23:47:14,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:14,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-04 23:47:14,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:14,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-04 23:47:14,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:14,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-04 23:47:15,227 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-07-04 23:47:15,230 INFO L142 QuantifierPusher]: treesize reduction 19, result has 57.8 percent of original size [2021-07-04 23:47:15,231 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size 22 [2021-07-04 23:47:15,233 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-07-04 23:47:15,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-04 23:47:15,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:15,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-04 23:47:15,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:15,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-04 23:47:15,527 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-07-04 23:47:15,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:15,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-04 23:47:15,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:15,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-04 23:47:15,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:15,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-04 23:47:15,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:15,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-04 23:47:15,866 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-07-04 23:47:15,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:15,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-04 23:47:15,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:15,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:15,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:15,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-04 23:47:15,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-04 23:47:15,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:15,877 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:15,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:15,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-04 23:47:15,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-04 23:47:15,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:15,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:15,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:15,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-04 23:47:15,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-04 23:47:15,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:15,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:15,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:15,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-04 23:47:15,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-04 23:47:18,084 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (= c_~_EPS~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 1000000.0))) (exists ((ULTIMATE.start_SqrtR_~Input (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (and (fp.geq ULTIMATE.start_SqrtR_~Input ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 10.0))) (= c_ULTIMATE.start_SqrtR_~xn~0 (fp.div c_currentRoundingMode .cse0 ULTIMATE.start_SqrtR_~Input)) (fp.leq ULTIMATE.start_SqrtR_~Input ((_ to_fp 11 53) c_currentRoundingMode 20.0)) (not (fp.leq ULTIMATE.start_SqrtR_~Input .cse0)))))) is different from false [2021-07-04 23:47:18,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:18,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:18,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:18,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-04 23:47:18,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-07-04 23:47:18,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:18,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:18,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:18,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-07-04 23:47:18,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-07-04 23:47:18,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:18,121 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-07-04 23:47:18,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-04 23:47:18,148 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:18,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:18,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:18,152 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2021-07-04 23:47:18,153 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-04 23:47:18,154 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:18,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:18,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:18,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:18,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:18,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-04 23:47:18,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:18,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:18,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-04 23:47:18,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 122 [2021-07-04 23:47:18,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:18,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:18,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-07-04 23:47:18,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:18,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:18,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-07-04 23:47:18,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 202 [2021-07-04 23:47:18,175 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:18,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:18,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-07-04 23:47:18,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-07-04 23:47:18,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:18,194 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:18,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:18,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-07-04 23:47:18,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:18,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:18,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-04 23:47:18,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:18,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:18,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-04 23:47:18,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 240 [2021-07-04 23:47:18,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:18,212 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:18,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:18,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-04 23:47:18,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:18,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:18,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-04 23:47:18,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:18,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:18,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-07-04 23:47:18,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 240 [2021-07-04 23:47:21,460 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (= (_ bv1 32) c_ULTIMATE.start_SqrtR_~cond~0)) (.cse0 (= c_currentRoundingMode roundNearestTiesToEven))) (or (and .cse0 .cse1 (exists ((ULTIMATE.start_SqrtR_~Input (_ FloatingPoint 11 53))) (let ((.cse5 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (let ((.cse4 (fp.div c_currentRoundingMode .cse5 ULTIMATE.start_SqrtR_~Input))) (and (fp.geq ULTIMATE.start_SqrtR_~Input ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 10.0))) (fp.leq ULTIMATE.start_SqrtR_~Input ((_ to_fp 11 53) c_currentRoundingMode 20.0)) (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 1000000.0))) (.cse3 (fp.add c_currentRoundingMode .cse4 c_ULTIMATE.start_SqrtR_~xnp1~0))) (fp.lt (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) .cse2) .cse3) (fp.neg (fp.mul c_currentRoundingMode .cse2 .cse3)))) (= c_ULTIMATE.start_SqrtR_~xnp1~0 .cse4) (not (fp.leq ULTIMATE.start_SqrtR_~Input .cse5))))))) (and .cse0 .cse1 (exists ((ULTIMATE.start_SqrtR_~Input (_ FloatingPoint 11 53))) (let ((.cse9 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (let ((.cse8 (fp.div c_currentRoundingMode .cse9 ULTIMATE.start_SqrtR_~Input))) (and (fp.geq ULTIMATE.start_SqrtR_~Input ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 10.0))) (fp.leq ULTIMATE.start_SqrtR_~Input ((_ to_fp 11 53) c_currentRoundingMode 20.0)) (let ((.cse6 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 1000000.0))) (.cse7 (fp.add c_currentRoundingMode .cse8 c_ULTIMATE.start_SqrtR_~xnp1~0))) (fp.gt (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) .cse6) .cse7) (fp.mul c_currentRoundingMode .cse6 .cse7))) (= c_ULTIMATE.start_SqrtR_~xnp1~0 .cse8) (not (fp.leq ULTIMATE.start_SqrtR_~Input .cse9))))))) (and .cse0 (= (_ bv0 32) c_ULTIMATE.start_SqrtR_~cond~0) (exists ((ULTIMATE.start_SqrtR_~Input (_ FloatingPoint 11 53))) (let ((.cse13 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (let ((.cse10 (fp.div c_currentRoundingMode .cse13 ULTIMATE.start_SqrtR_~Input))) (let ((.cse14 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 1000000.0))) (.cse15 (fp.add c_currentRoundingMode .cse10 c_ULTIMATE.start_SqrtR_~xnp1~0))) (let ((.cse11 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) .cse14) .cse15)) (.cse12 (fp.mul c_currentRoundingMode .cse14 .cse15))) (and (fp.geq ULTIMATE.start_SqrtR_~Input ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 10.0))) (fp.leq ULTIMATE.start_SqrtR_~Input ((_ to_fp 11 53) c_currentRoundingMode 20.0)) (= c_ULTIMATE.start_SqrtR_~xnp1~0 .cse10) (not (fp.lt .cse11 (fp.neg .cse12))) (not (fp.gt .cse11 .cse12)) (not (fp.leq ULTIMATE.start_SqrtR_~Input .cse13))))))))))) is different from false [2021-07-04 23:47:21,492 INFO L142 QuantifierPusher]: treesize reduction 140, result has 42.6 percent of original size [2021-07-04 23:47:21,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:21,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:21,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-07-04 23:47:21,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-07-04 23:47:21,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:21,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:21,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:21,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-07-04 23:47:21,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-07-04 23:47:21,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:21,498 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:21,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:21,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-07-04 23:47:21,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-07-04 23:47:21,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:21,500 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:21,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:21,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-07-04 23:47:21,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-07-04 23:47:21,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:21,502 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:21,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:21,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-07-04 23:47:21,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-07-04 23:47:23,730 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_SqrtR_~Input (_ FloatingPoint 11 53))) (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (let ((.cse0 (fp.div c_currentRoundingMode .cse3 ULTIMATE.start_SqrtR_~Input))) (let ((.cse4 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 1000000.0))) (.cse5 (fp.add c_currentRoundingMode .cse0 c_ULTIMATE.start_SqrtR_~xnp1~0))) (let ((.cse1 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) .cse4) .cse5)) (.cse2 (fp.mul c_currentRoundingMode .cse4 .cse5))) (and (fp.geq ULTIMATE.start_SqrtR_~Input ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 10.0))) (fp.leq ULTIMATE.start_SqrtR_~Input ((_ to_fp 11 53) c_currentRoundingMode 20.0)) (= c_ULTIMATE.start_SqrtR_~xnp1~0 .cse0) (not (fp.lt .cse1 (fp.neg .cse2))) (not (fp.gt .cse1 .cse2)) (not (fp.leq ULTIMATE.start_SqrtR_~Input .cse3))))))))) is different from false [2021-07-04 23:47:23,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:23,760 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:23,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:23,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-07-04 23:47:23,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-07-04 23:47:23,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:23,774 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:23,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:23,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-07-04 23:47:23,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-07-04 23:47:23,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:23,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:23,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:23,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-07-04 23:47:23,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-07-04 23:47:23,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:23,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:23,787 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:23,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-07-04 23:47:23,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-07-04 23:47:23,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:23,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:23,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:23,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-07-04 23:47:23,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-07-04 23:47:26,225 WARN L838 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start_SqrtR_~Input (_ FloatingPoint 11 53))) (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (let ((.cse3 (fp.div c_currentRoundingMode .cse2 ULTIMATE.start_SqrtR_~Input))) (let ((.cse4 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 1000000.0))) (.cse5 (fp.add c_currentRoundingMode .cse3 .cse3))) (let ((.cse0 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) .cse4) .cse5)) (.cse1 (fp.mul c_currentRoundingMode .cse4 .cse5))) (and (not (fp.lt .cse0 (fp.neg .cse1))) (fp.geq ULTIMATE.start_SqrtR_~Input ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 10.0))) (fp.leq ULTIMATE.start_SqrtR_~Input ((_ to_fp 11 53) c_currentRoundingMode 20.0)) (= |c_ULTIMATE.start_SqrtR_#res| (fp.div c_currentRoundingMode .cse2 .cse3)) (not (fp.gt .cse0 .cse1)) (not (fp.leq ULTIMATE.start_SqrtR_~Input .cse2))))))))) is different from false [2021-07-04 23:47:26,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:26,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:26,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:26,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-07-04 23:47:26,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-07-04 23:47:26,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:26,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:26,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:26,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-07-04 23:47:26,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2021-07-04 23:47:26,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:26,265 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-07-04 23:47:26,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-04 23:47:26,267 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:26,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:26,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:28,684 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2021-07-04 23:47:28,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-04 23:47:28,686 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:28,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:28,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:31,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:31,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:31,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-07-04 23:47:33,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:33,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:33,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-07-04 23:47:33,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 251 [2021-07-04 23:47:33,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:33,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:33,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-07-04 23:47:36,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:36,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:36,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-07-04 23:47:36,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 290 [2021-07-04 23:47:36,025 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:36,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:36,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-07-04 23:47:36,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-07-04 23:47:43,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:43,359 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:43,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:43,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-07-04 23:47:43,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:43,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:43,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-07-04 23:47:43,370 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:43,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:43,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-07-04 23:47:43,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 402 [2021-07-04 23:47:43,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:43,374 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:43,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:43,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-07-04 23:47:43,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:43,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:43,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-07-04 23:47:43,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:43,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:43,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-07-04 23:47:43,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 402 [2021-07-04 23:47:46,551 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)))) (or (and .cse0 (exists ((ULTIMATE.start_SqrtR_~Input (_ FloatingPoint 11 53))) (let ((.cse3 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (let ((.cse4 (fp.div roundNearestTiesToEven .cse3 ULTIMATE.start_SqrtR_~Input))) (let ((.cse5 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000.0))) (.cse6 (fp.add roundNearestTiesToEven .cse4 .cse4))) (let ((.cse1 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) .cse5) .cse6)) (.cse2 (fp.mul roundNearestTiesToEven .cse5 .cse6))) (and (not (fp.lt .cse1 (fp.neg .cse2))) (not (fp.leq (fp.div roundNearestTiesToEven .cse3 .cse4) ((_ to_fp 11 53) roundNearestTiesToEven 5.0))) (fp.geq ULTIMATE.start_SqrtR_~Input ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 10.0))) (not (fp.gt .cse1 .cse2)) (not (fp.leq ULTIMATE.start_SqrtR_~Input .cse3)) (fp.leq ULTIMATE.start_SqrtR_~Input ((_ to_fp 11 53) roundNearestTiesToEven 20.0))))))))) (and .cse0 (exists ((ULTIMATE.start_SqrtR_~Input (_ FloatingPoint 11 53))) (let ((.cse9 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (let ((.cse10 (fp.div roundNearestTiesToEven .cse9 ULTIMATE.start_SqrtR_~Input))) (let ((.cse11 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000.0))) (.cse12 (fp.add roundNearestTiesToEven .cse10 .cse10))) (let ((.cse7 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) .cse11) .cse12)) (.cse8 (fp.mul roundNearestTiesToEven .cse11 .cse12))) (and (not (fp.lt .cse7 (fp.neg .cse8))) (fp.geq ULTIMATE.start_SqrtR_~Input ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 10.0))) (not (fp.gt .cse7 .cse8)) (not (fp.geq (fp.div roundNearestTiesToEven .cse9 .cse10) ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 10.0)))) (not (fp.leq ULTIMATE.start_SqrtR_~Input .cse9)) (fp.leq ULTIMATE.start_SqrtR_~Input ((_ to_fp 11 53) roundNearestTiesToEven 20.0))))))))) (and (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) (exists ((ULTIMATE.start_SqrtR_~Input (_ FloatingPoint 11 53))) (let ((.cse15 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (let ((.cse17 (fp.div roundNearestTiesToEven .cse15 ULTIMATE.start_SqrtR_~Input))) (let ((.cse18 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000.0))) (.cse19 (fp.add roundNearestTiesToEven .cse17 .cse17))) (let ((.cse13 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) .cse18) .cse19)) (.cse14 (fp.mul roundNearestTiesToEven .cse18 .cse19)) (.cse16 (fp.div roundNearestTiesToEven .cse15 .cse17))) (and (not (fp.lt .cse13 (fp.neg .cse14))) (fp.geq ULTIMATE.start_SqrtR_~Input ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 10.0))) (not (fp.gt .cse13 .cse14)) (not (fp.leq ULTIMATE.start_SqrtR_~Input .cse15)) (fp.leq ULTIMATE.start_SqrtR_~Input ((_ to_fp 11 53) roundNearestTiesToEven 20.0)) (fp.geq .cse16 ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 10.0))) (fp.leq .cse16 ((_ to_fp 11 53) roundNearestTiesToEven 5.0))))))))))) is different from false [2021-07-04 23:47:46,593 INFO L142 QuantifierPusher]: treesize reduction 151, result has 62.8 percent of original size [2021-07-04 23:47:46,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:46,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:46,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-07-04 23:47:46,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:46,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:46,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-07-04 23:47:46,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 255 [2021-07-04 23:47:46,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:46,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:46,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:46,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-07-04 23:47:46,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:46,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:46,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-07-04 23:47:46,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 251 [2021-07-04 23:47:46,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:49,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:49,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:49,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-07-04 23:47:51,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:51,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:51,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-07-04 23:47:51,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 251 [2021-07-04 23:47:56,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:56,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:56,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:56,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-07-04 23:47:56,331 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:56,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:56,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-07-04 23:47:56,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 251 [2021-07-04 23:47:56,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:56,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:56,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:56,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-07-04 23:47:56,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-04 23:47:56,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 23:47:56,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2021-07-04 23:47:56,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 251 [2021-07-04 23:47:59,543 WARN L838 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_1 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (let ((.cse1 (fp.div roundNearestTiesToEven .cse0 v_prenex_1))) (let ((.cse4 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000.0))) (.cse5 (fp.add roundNearestTiesToEven .cse1 .cse1))) (let ((.cse2 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) .cse4) .cse5)) (.cse3 (fp.mul roundNearestTiesToEven .cse4 .cse5))) (and (fp.leq v_prenex_1 ((_ to_fp 11 53) roundNearestTiesToEven 20.0)) (not (fp.leq v_prenex_1 .cse0)) (not (fp.leq (fp.div roundNearestTiesToEven .cse0 .cse1) ((_ to_fp 11 53) roundNearestTiesToEven 5.0))) (fp.geq v_prenex_1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 10.0))) (not (fp.lt .cse2 (fp.neg .cse3))) (not (fp.gt .cse2 .cse3)))))))) (exists ((ULTIMATE.start_SqrtR_~Input (_ FloatingPoint 11 53))) (let ((.cse8 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (let ((.cse9 (fp.div roundNearestTiesToEven .cse8 ULTIMATE.start_SqrtR_~Input))) (let ((.cse10 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000.0))) (.cse11 (fp.add roundNearestTiesToEven .cse9 .cse9))) (let ((.cse6 (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) .cse10) .cse11)) (.cse7 (fp.mul roundNearestTiesToEven .cse10 .cse11))) (and (not (fp.lt .cse6 (fp.neg .cse7))) (fp.geq ULTIMATE.start_SqrtR_~Input ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 10.0))) (not (fp.gt .cse6 .cse7)) (not (fp.geq (fp.div roundNearestTiesToEven .cse8 .cse9) ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 10.0)))) (not (fp.leq ULTIMATE.start_SqrtR_~Input .cse8)) (fp.leq ULTIMATE.start_SqrtR_~Input ((_ to_fp 11 53) roundNearestTiesToEven 20.0))))))))) is different from false [2021-07-04 23:48:00,550 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") [2021-07-04 23:48:00,551 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-07-04 23:48:00,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [681490721] [2021-07-04 23:48:00,552 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") [2021-07-04 23:48:00,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1015916874] [2021-07-04 23:48:00,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 23:48:00,552 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-07-04 23:48:00,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2021-07-04 23:48:00,555 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2021-07-04 23:48:00,559 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) [2021-07-04 23:48:00,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-07-04 23:48:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 23:48:05,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-04 23:48:05,345 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@4caeb4d [2021-07-04 23:48:05,346 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465274186] [2021-07-04 23:48:05,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 23:48:05,346 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-04 23:48:05,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-04 23:48:05,347 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) [2021-07-04 23:48:05,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-07-04 23:53:37,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 23:53:38,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-04 23:53:38,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-04 23:53:38,158 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 [2021-07-04 23:53:38,158 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-07-04 23:53:38,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-07-04 23:53:38,158 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-07-04 23:53:38,159 INFO L639 BasicCegarLoop]: Counterexample might be feasible [2021-07-04 23:53:38,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2021-07-04 23:53:38,573 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forcibly destroying the process [2021-07-04 23:53:38,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-07-04 23:53:38,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-07-04 23:53:38,812 WARN L471 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 [2021-07-04 23:53:38,812 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-04 23:53:38,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.07 11:53:38 BoogieIcfgContainer [2021-07-04 23:53:38,825 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-04 23:53:38,826 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-04 23:53:38,826 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-04 23:53:38,826 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-04 23:53:38,826 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 11:46:43" (3/4) ... [2021-07-04 23:53:38,829 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-07-04 23:53:38,829 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-04 23:53:38,830 INFO L168 Benchmark]: Toolchain (without parser) took 424479.35 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 29.2 MB in the beginning and 43.8 MB in the end (delta: -14.6 MB). Peak memory consumption was 533.4 kB. Max. memory is 16.1 GB. [2021-07-04 23:53:38,830 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 52.4 MB. Free memory was 33.9 MB in the beginning and 33.8 MB in the end (delta: 39.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 23:53:38,830 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.95 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 29.0 MB in the beginning and 49.7 MB in the end (delta: -20.7 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2021-07-04 23:53:38,830 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.43 ms. Allocated memory is still 67.1 MB. Free memory was 49.5 MB in the beginning and 48.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 23:53:38,830 INFO L168 Benchmark]: Boogie Preprocessor took 34.43 ms. Allocated memory is still 67.1 MB. Free memory was 48.0 MB in the beginning and 46.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-04 23:53:38,830 INFO L168 Benchmark]: RCFGBuilder took 9168.66 ms. Allocated memory is still 67.1 MB. Free memory was 46.5 MB in the beginning and 32.6 MB in the end (delta: 13.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-07-04 23:53:38,831 INFO L168 Benchmark]: TraceAbstraction took 414944.17 ms. Allocated memory is still 67.1 MB. Free memory was 49.6 MB in the beginning and 44.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. [2021-07-04 23:53:38,831 INFO L168 Benchmark]: Witness Printer took 3.37 ms. Allocated memory is still 67.1 MB. Free memory was 44.3 MB in the beginning and 43.8 MB in the end (delta: 483.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-04 23:53:38,831 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 52.4 MB. Free memory was 33.9 MB in the beginning and 33.8 MB in the end (delta: 39.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 276.95 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 29.0 MB in the beginning and 49.7 MB in the end (delta: -20.7 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.43 ms. Allocated memory is still 67.1 MB. Free memory was 49.5 MB in the beginning and 48.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.43 ms. Allocated memory is still 67.1 MB. Free memory was 48.0 MB in the beginning and 46.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 9168.66 ms. Allocated memory is still 67.1 MB. Free memory was 46.5 MB in the beginning and 32.6 MB in the end (delta: 13.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 414944.17 ms. Allocated memory is still 67.1 MB. Free memory was 49.6 MB in the beginning and 44.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. * Witness Printer took 3.37 ms. Allocated memory is still 67.1 MB. Free memory was 44.3 MB in the beginning and 43.8 MB in the end (delta: 483.7 kB). Peak memory consumption was 2.1 MB. 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: 20]: 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: [L22] double _EPS = 1e-6; [L49] double d, r; [L51] d = __VERIFIER_nondet_double() [L18] COND FALSE !(!cond) [L26] double xn, xnp1, residu, lsup, linf; [L27] int i, cond; [L28] COND FALSE !(Input <= 1.0) [L28] xn = 1.0/Input [L29] xnp1 = xn [L30] residu = 2.0*_EPS*(xn+xnp1) [L31] lsup = _EPS * (xn+xnp1) [L32] linf = -lsup [L33] cond = ((residu > lsup) || (residu < linf)) [L34] i = 0 [L35] COND FALSE !(\read(cond)) [L44] return 1.0 / xnp1; [L54] r = SqrtR(d) [L20] COND TRUE !(cond) [L20] reach_error() - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 414888.0ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 7.1ms, AutomataDifference: 13393.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 25 SDtfs, 2 SDslu, 16 SDs, 0 SdLazy, 14 SolverSat, 0 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 9266.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 10730.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, 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: 14.4ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 31.5ms SsaConstructionTime, 2197.5ms SatisfiabilityAnalysisTime, 7972.6ms InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 40 ConstructedInterpolants, 5 QuantifiedInterpolants, 313 SizeOfPredicates, 7 NumberOfNonLiveVariables, 88 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...