/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0670.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 19:42:16,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 19:42:16,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 19:42:16,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 19:42:16,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 19:42:16,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 19:42:16,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 19:42:16,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 19:42:16,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 19:42:16,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 19:42:16,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 19:42:16,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 19:42:16,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 19:42:16,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 19:42:16,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 19:42:16,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 19:42:16,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 19:42:16,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 19:42:16,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 19:42:16,341 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 19:42:16,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 19:42:16,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 19:42:16,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 19:42:16,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 19:42:16,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 19:42:16,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 19:42:16,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 19:42:16,364 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 19:42:16,364 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 19:42:16,365 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 19:42:16,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 19:42:16,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 19:42:16,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 19:42:16,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 19:42:16,371 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 19:42:16,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 19:42:16,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 19:42:16,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 19:42:16,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 19:42:16,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 19:42:16,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 19:42:16,376 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 19:42:16,430 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 19:42:16,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 19:42:16,436 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 19:42:16,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 19:42:16,436 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 19:42:16,437 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 19:42:16,437 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 19:42:16,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 19:42:16,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 19:42:16,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 19:42:16,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 19:42:16,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 19:42:16,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 19:42:16,440 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 19:42:16,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 19:42:16,440 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 19:42:16,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 19:42:16,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 19:42:16,441 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 19:42:16,441 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 19:42:16,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 19:42:16,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 19:42:16,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 19:42:16,442 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 19:42:16,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 19:42:16,443 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 19:42:16,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 19:42:16,443 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 19:42:16,443 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 19:42:16,443 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 19:42:16,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 19:42:16,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 19:42:16,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 19:42:16,897 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 19:42:16,898 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 19:42:16,899 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0670.c [2020-10-27 19:42:16,977 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/06580044f/bdf12abef038462ebdc168847bb8df8d/FLAG8b3befbb8 [2020-10-27 19:42:17,566 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 19:42:17,567 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/double_req_bl_0670.c [2020-10-27 19:42:17,579 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/06580044f/bdf12abef038462ebdc168847bb8df8d/FLAG8b3befbb8 [2020-10-27 19:42:17,896 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/06580044f/bdf12abef038462ebdc168847bb8df8d [2020-10-27 19:42:17,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 19:42:17,907 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 19:42:17,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 19:42:17,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 19:42:17,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 19:42:17,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:42:17" (1/1) ... [2020-10-27 19:42:17,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46ff0bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:42:17, skipping insertion in model container [2020-10-27 19:42:17,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:42:17" (1/1) ... [2020-10-27 19:42:17,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 19:42:17,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 19:42:18,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 19:42:18,203 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 19:42:18,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 19:42:18,329 INFO L208 MainTranslator]: Completed translation [2020-10-27 19:42:18,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:42:18 WrapperNode [2020-10-27 19:42:18,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 19:42:18,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 19:42:18,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 19:42:18,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 19:42:18,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:42:18" (1/1) ... [2020-10-27 19:42:18,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:42:18" (1/1) ... [2020-10-27 19:42:18,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:42:18" (1/1) ... [2020-10-27 19:42:18,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:42:18" (1/1) ... [2020-10-27 19:42:18,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:42:18" (1/1) ... [2020-10-27 19:42:18,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:42:18" (1/1) ... [2020-10-27 19:42:18,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:42:18" (1/1) ... [2020-10-27 19:42:18,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 19:42:18,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 19:42:18,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 19:42:18,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 19:42:18,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:42:18" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 19:42:18,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 19:42:18,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 19:42:18,583 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 19:42:18,584 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2020-10-27 19:42:18,584 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2020-10-27 19:42:18,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2 [2020-10-27 19:42:18,585 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-10-27 19:42:18,585 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 19:42:18,586 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 19:42:18,586 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 19:42:18,587 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 19:42:18,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 19:42:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-10-27 19:42:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2020-10-27 19:42:18,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-27 19:42:18,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 19:42:18,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 19:42:18,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 19:42:18,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-27 19:42:18,590 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2020-10-27 19:42:18,590 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2 [2020-10-27 19:42:18,591 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-10-27 19:42:18,591 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 19:42:18,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 19:42:18,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 19:42:18,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-27 19:42:18,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 19:42:19,421 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 19:42:19,422 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-27 19:42:19,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:42:19 BoogieIcfgContainer [2020-10-27 19:42:19,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 19:42:19,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 19:42:19,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 19:42:19,430 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 19:42:19,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 07:42:17" (1/3) ... [2020-10-27 19:42:19,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25be2cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:42:19, skipping insertion in model container [2020-10-27 19:42:19,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:42:18" (2/3) ... [2020-10-27 19:42:19,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25be2cdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:42:19, skipping insertion in model container [2020-10-27 19:42:19,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:42:19" (3/3) ... [2020-10-27 19:42:19,434 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0670.c [2020-10-27 19:42:19,446 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 19:42:19,451 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 19:42:19,463 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 19:42:19,493 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 19:42:19,493 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 19:42:19,493 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 19:42:19,493 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 19:42:19,494 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 19:42:19,494 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 19:42:19,494 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 19:42:19,494 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 19:42:19,515 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2020-10-27 19:42:19,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-27 19:42:19,524 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:42:19,525 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:42:19,526 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:42:19,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:42:19,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1404832893, now seen corresponding path program 1 times [2020-10-27 19:42:19,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:42:19,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [499634354] [2020-10-27 19:42:19,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:42:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:42:19,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:42:19,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:42:20,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:42:20,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 19:42:20,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:42:20,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 412 [2020-10-27 19:42:20,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:42:20,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:42:20,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-27 19:42:20,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:42:20,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-27 19:42:20,318 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-10-27 19:42:20,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:42:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:42:20,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:42:20,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:42:20,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:42:20,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:42:20,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 19:42:20,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:42:20,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:42:20,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:42:20,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:42:20,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:42:20,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:42:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:42:20,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:42:20,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:42:20,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:42:20,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:42:20,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:42:20,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:42:20,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:42:20,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:42:20,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:42:20,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:42:20,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 19:42:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:42:20,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:42:20,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:42:20,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:42:20,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:42:20,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:42:20,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 19:42:20,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:42:20,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:42:20,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 19:42:20,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:42:20,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:42:20,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 19:42:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:42:20,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:42:20,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:42:20,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:42:20,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:42:20,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:42:20,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:42:20,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:42:20,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 19:42:20,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:42:20,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:42:20,464 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 19:42:20,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [499634354] [2020-10-27 19:42:20,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 19:42:20,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 19:42:20,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416004612] [2020-10-27 19:42:20,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 19:42:20,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:42:20,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 19:42:20,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 19:42:20,495 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 4 states. [2020-10-27 19:42:21,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:42:21,005 INFO L93 Difference]: Finished difference Result 220 states and 341 transitions. [2020-10-27 19:42:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-27 19:42:21,007 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-10-27 19:42:21,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:42:21,021 INFO L225 Difference]: With dead ends: 220 [2020-10-27 19:42:21,022 INFO L226 Difference]: Without dead ends: 109 [2020-10-27 19:42:21,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 19:42:21,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-27 19:42:21,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2020-10-27 19:42:21,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-10-27 19:42:21,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 151 transitions. [2020-10-27 19:42:21,091 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 151 transitions. Word has length 31 [2020-10-27 19:42:21,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:42:21,093 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 151 transitions. [2020-10-27 19:42:21,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 19:42:21,094 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 151 transitions. [2020-10-27 19:42:21,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-27 19:42:21,097 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:42:21,097 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:42:21,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 19:42:21,097 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:42:21,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:42:21,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1982181786, now seen corresponding path program 1 times [2020-10-27 19:42:21,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:42:21,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2130703782] [2020-10-27 19:42:21,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:42:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 19:42:21,184 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 19:42:21,184 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 19:42:21,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 19:42:21,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 07:42:21 BoogieIcfgContainer [2020-10-27 19:42:21,209 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 19:42:21,211 INFO L168 Benchmark]: Toolchain (without parser) took 3309.70 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 125.3 MB in the beginning and 155.3 MB in the end (delta: -30.1 MB). Peak memory consumption was 91.4 MB. Max. memory is 8.0 GB. [2020-10-27 19:42:21,212 INFO L168 Benchmark]: CDTParser took 0.72 ms. Allocated memory is still 151.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 19:42:21,213 INFO L168 Benchmark]: CACSL2BoogieTranslator took 421.74 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 109.5 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2020-10-27 19:42:21,214 INFO L168 Benchmark]: Boogie Preprocessor took 160.59 ms. Allocated memory is still 151.0 MB. Free memory was 109.5 MB in the beginning and 106.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-27 19:42:21,215 INFO L168 Benchmark]: RCFGBuilder took 931.73 ms. Allocated memory is still 151.0 MB. Free memory was 106.4 MB in the beginning and 98.8 MB in the end (delta: 7.6 MB). Peak memory consumption was 14.8 MB. Max. memory is 8.0 GB. [2020-10-27 19:42:21,216 INFO L168 Benchmark]: TraceAbstraction took 1783.40 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 98.3 MB in the beginning and 155.3 MB in the end (delta: -57.1 MB). Peak memory consumption was 64.0 MB. Max. memory is 8.0 GB. [2020-10-27 19:42:21,219 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72 ms. Allocated memory is still 151.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 421.74 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 109.5 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 160.59 ms. Allocated memory is still 151.0 MB. Free memory was 109.5 MB in the beginning and 106.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 931.73 ms. Allocated memory is still 151.0 MB. Free memory was 106.4 MB in the beginning and 98.8 MB in the end (delta: 7.6 MB). Peak memory consumption was 14.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1783.40 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 98.3 MB in the beginning and 155.3 MB in the end (delta: -57.1 MB). Peak memory consumption was 64.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 247. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; [L255] double x = __VERIFIER_nondet_double(); [L256] double y = __VERIFIER_nondet_double(); [L258] CALL, EXPR isnan_double(x) [L247] return x != x; [L258] RET, EXPR isnan_double(x) [L258] isnan_double(x) || isnan_double(y) [L258] COND TRUE isnan_double(x) || isnan_double(y) [L260] CALL, EXPR __ieee754_atan2(y, x) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; [L260] RET, EXPR __ieee754_atan2(y, x) [L260] double res = __ieee754_atan2(y, x); [L263] CALL, EXPR isnan_double(res) [L247] return x != x; [L263] RET, EXPR isnan_double(res) [L263] COND TRUE !isnan_double(res) [L264] CALL reach_error() [L3] __assert_fail("0", "double_req_bl_0670.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 117 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 151 SDtfs, 30 SDslu, 125 SDs, 0 SdLazy, 143 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 3420 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3/3 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...