/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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 [2020-10-29 09:06:28,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 09:06:28,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 09:06:28,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 09:06:28,314 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 09:06:28,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 09:06:28,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 09:06:28,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 09:06:28,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 09:06:28,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 09:06:28,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 09:06:28,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 09:06:28,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 09:06:28,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 09:06:28,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 09:06:28,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 09:06:28,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 09:06:28,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 09:06:28,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 09:06:28,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 09:06:28,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 09:06:28,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 09:06:28,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 09:06:28,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 09:06:28,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 09:06:28,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 09:06:28,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 09:06:28,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 09:06:28,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 09:06:28,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 09:06:28,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 09:06:28,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 09:06:28,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 09:06:28,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 09:06:28,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 09:06:28,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 09:06:28,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 09:06:28,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 09:06:28,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 09:06:28,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 09:06:28,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 09:06:28,423 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 [2020-10-29 09:06:28,471 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 09:06:28,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 09:06:28,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 09:06:28,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 09:06:28,476 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 09:06:28,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 09:06:28,477 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 09:06:28,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 09:06:28,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 09:06:28,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 09:06:28,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 09:06:28,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 09:06:28,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 09:06:28,479 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 09:06:28,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 09:06:28,479 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 09:06:28,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 09:06:28,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 09:06:28,480 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 09:06:28,480 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 09:06:28,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 09:06:28,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 09:06:28,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 09:06:28,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 09:06:28,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 09:06:28,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 09:06:28,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 09:06:28,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 09:06:28,482 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 09:06:28,482 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 09:06:28,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 09:06:28,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 09:06:28,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 09:06:28,903 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 09:06:28,904 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 09:06:28,905 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0670.c [2020-10-29 09:06:28,985 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c9cf36ed8/8d3e2c6871c14e6d90edb4d92dbfc288/FLAG4137b2917 [2020-10-29 09:06:29,692 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 09:06:29,694 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/double_req_bl_0670.c [2020-10-29 09:06:29,707 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c9cf36ed8/8d3e2c6871c14e6d90edb4d92dbfc288/FLAG4137b2917 [2020-10-29 09:06:29,994 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c9cf36ed8/8d3e2c6871c14e6d90edb4d92dbfc288 [2020-10-29 09:06:30,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 09:06:30,009 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 09:06:30,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 09:06:30,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 09:06:30,018 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 09:06:30,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:06:29" (1/1) ... [2020-10-29 09:06:30,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4301bab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:06:30, skipping insertion in model container [2020-10-29 09:06:30,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:06:29" (1/1) ... [2020-10-29 09:06:30,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 09:06:30,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 09:06:30,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:06:30,332 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 09:06:30,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:06:30,465 INFO L208 MainTranslator]: Completed translation [2020-10-29 09:06:30,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:06:30 WrapperNode [2020-10-29 09:06:30,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 09:06:30,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 09:06:30,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 09:06:30,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 09:06:30,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:06:30" (1/1) ... [2020-10-29 09:06:30,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:06:30" (1/1) ... [2020-10-29 09:06:30,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:06:30" (1/1) ... [2020-10-29 09:06:30,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:06:30" (1/1) ... [2020-10-29 09:06:30,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:06:30" (1/1) ... [2020-10-29 09:06:30,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:06:30" (1/1) ... [2020-10-29 09:06:30,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:06:30" (1/1) ... [2020-10-29 09:06:30,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 09:06:30,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 09:06:30,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 09:06:30,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 09:06:30,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:06:30" (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 [2020-10-29 09:06:30,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 09:06:30,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 09:06:30,651 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 09:06:30,651 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2020-10-29 09:06:30,651 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2020-10-29 09:06:30,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2 [2020-10-29 09:06:30,652 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-10-29 09:06:30,652 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 09:06:30,652 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 09:06:30,652 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 09:06:30,652 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 09:06:30,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 09:06:30,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-10-29 09:06:30,653 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2020-10-29 09:06:30,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-29 09:06:30,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 09:06:30,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 09:06:30,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 09:06:30,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-29 09:06:30,654 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2020-10-29 09:06:30,654 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2 [2020-10-29 09:06:30,654 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-10-29 09:06:30,654 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 09:06:30,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 09:06:30,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 09:06:30,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-29 09:06:30,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 09:06:31,377 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 09:06:31,378 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-29 09:06:31,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:06:31 BoogieIcfgContainer [2020-10-29 09:06:31,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 09:06:31,382 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 09:06:31,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 09:06:31,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 09:06:31,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 09:06:29" (1/3) ... [2020-10-29 09:06:31,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e01a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:06:31, skipping insertion in model container [2020-10-29 09:06:31,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:06:30" (2/3) ... [2020-10-29 09:06:31,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e01a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:06:31, skipping insertion in model container [2020-10-29 09:06:31,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:06:31" (3/3) ... [2020-10-29 09:06:31,389 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0670.c [2020-10-29 09:06:31,402 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 09:06:31,408 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 09:06:31,422 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 09:06:31,455 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 09:06:31,456 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 09:06:31,456 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 09:06:31,456 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 09:06:31,456 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 09:06:31,456 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 09:06:31,456 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 09:06:31,456 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 09:06:31,478 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2020-10-29 09:06:31,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-29 09:06:31,487 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:06:31,488 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] [2020-10-29 09:06:31,489 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:06:31,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:06:31,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1404832893, now seen corresponding path program 1 times [2020-10-29 09:06:31,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:06:31,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [805520339] [2020-10-29 09:06:31,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:06:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:06:31,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:06:31,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:06:32,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:06:32,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 09:06:32,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:06:32,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 352 [2020-10-29 09:06:32,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:06:32,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:06:32,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:06:32,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-29 09:06:32,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:06:32,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 09:06:32,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:06:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:06:32,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:06:32,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:06:32,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:06:32,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:06:32,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-29 09:06:32,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:06:32,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:06:32,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:06:32,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:06:32,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:06:32,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:06:32,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:06:32,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:06:32,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:06:32,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:06:32,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:06:32,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:06:32,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:06:32,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:06:32,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:06:32,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:06:32,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:06:32,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:06:32,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 09:06:32,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 09:06:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:06:32,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:06:32,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:06:32,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:06:32,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 09:06:32,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:06:32,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 09:06:32,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:06:32,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:06:32,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:06:32,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 09:06:32,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:06:32,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:06:32,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 09:06:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:06:32,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:06:32,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:06:32,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:06:32,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:06:32,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:06:32,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:06:32,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:06:32,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:06:32,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 09:06:32,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:06:32,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:06:32,487 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 09:06:32,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [805520339] [2020-10-29 09:06:32,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:06:32,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 09:06:32,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764919242] [2020-10-29 09:06:32,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 09:06:32,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:06:32,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 09:06:32,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 09:06:32,514 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 4 states. [2020-10-29 09:06:32,659 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-29 09:06:33,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:06:33,058 INFO L93 Difference]: Finished difference Result 220 states and 341 transitions. [2020-10-29 09:06:33,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-29 09:06:33,060 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-10-29 09:06:33,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:06:33,072 INFO L225 Difference]: With dead ends: 220 [2020-10-29 09:06:33,072 INFO L226 Difference]: Without dead ends: 109 [2020-10-29 09:06:33,077 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 [2020-10-29 09:06:33,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-29 09:06:33,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2020-10-29 09:06:33,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-10-29 09:06:33,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 151 transitions. [2020-10-29 09:06:33,138 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 151 transitions. Word has length 31 [2020-10-29 09:06:33,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:06:33,140 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 151 transitions. [2020-10-29 09:06:33,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 09:06:33,141 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 151 transitions. [2020-10-29 09:06:33,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-29 09:06:33,143 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:06:33,144 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] [2020-10-29 09:06:33,144 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 09:06:33,144 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:06:33,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:06:33,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1982181786, now seen corresponding path program 1 times [2020-10-29 09:06:33,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:06:33,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1385222112] [2020-10-29 09:06:33,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:06:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-29 09:06:33,203 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-29 09:06:33,203 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-29 09:06:33,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 09:06:33,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 09:06:33 BoogieIcfgContainer [2020-10-29 09:06:33,227 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 09:06:33,229 INFO L168 Benchmark]: Toolchain (without parser) took 3225.88 ms. Allocated memory was 161.5 MB in the beginning and 198.2 MB in the end (delta: 36.7 MB). Free memory was 136.0 MB in the beginning and 95.0 MB in the end (delta: 41.0 MB). Peak memory consumption was 78.0 MB. Max. memory is 8.0 GB. [2020-10-29 09:06:33,230 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 161.5 MB. Free memory is still 134.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 09:06:33,231 INFO L168 Benchmark]: CACSL2BoogieTranslator took 453.04 ms. Allocated memory is still 161.5 MB. Free memory was 135.4 MB in the beginning and 120.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-10-29 09:06:33,232 INFO L168 Benchmark]: Boogie Preprocessor took 107.91 ms. Allocated memory is still 161.5 MB. Free memory was 120.7 MB in the beginning and 117.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-29 09:06:33,233 INFO L168 Benchmark]: RCFGBuilder took 804.66 ms. Allocated memory is still 161.5 MB. Free memory was 117.6 MB in the beginning and 116.7 MB in the end (delta: 943.6 kB). Peak memory consumption was 23.3 MB. Max. memory is 8.0 GB. [2020-10-29 09:06:33,234 INFO L168 Benchmark]: TraceAbstraction took 1845.56 ms. Allocated memory was 161.5 MB in the beginning and 198.2 MB in the end (delta: 36.7 MB). Free memory was 116.1 MB in the beginning and 95.0 MB in the end (delta: 21.1 MB). Peak memory consumption was 57.8 MB. Max. memory is 8.0 GB. [2020-10-29 09:06:33,237 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 161.5 MB. Free memory is still 134.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 453.04 ms. Allocated memory is still 161.5 MB. Free memory was 135.4 MB in the beginning and 120.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 107.91 ms. Allocated memory is still 161.5 MB. Free memory was 120.7 MB in the beginning and 117.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 804.66 ms. Allocated memory is still 161.5 MB. Free memory was 117.6 MB in the beginning and 116.7 MB in the end (delta: 943.6 kB). Peak memory consumption was 23.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1845.56 ms. Allocated memory was 161.5 MB in the beginning and 198.2 MB in the end (delta: 36.7 MB). Free memory was 116.1 MB in the beginning and 95.0 MB in the end (delta: 21.1 MB). Peak memory consumption was 57.8 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...