/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_0683b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 09:06:35,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 09:06:35,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 09:06:35,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 09:06:35,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 09:06:36,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 09:06:36,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 09:06:36,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 09:06:36,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 09:06:36,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 09:06:36,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 09:06:36,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 09:06:36,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 09:06:36,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 09:06:36,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 09:06:36,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 09:06:36,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 09:06:36,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 09:06:36,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 09:06:36,051 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 09:06:36,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 09:06:36,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 09:06:36,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 09:06:36,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 09:06:36,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 09:06:36,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 09:06:36,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 09:06:36,074 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 09:06:36,074 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 09:06:36,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 09:06:36,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 09:06:36,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 09:06:36,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 09:06:36,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 09:06:36,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 09:06:36,082 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 09:06:36,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 09:06:36,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 09:06:36,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 09:06:36,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 09:06:36,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 09:06:36,093 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 09:06:36,154 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 09:06:36,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 09:06:36,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 09:06:36,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 09:06:36,159 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 09:06:36,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 09:06:36,159 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 09:06:36,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 09:06:36,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 09:06:36,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 09:06:36,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 09:06:36,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 09:06:36,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 09:06:36,163 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 09:06:36,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 09:06:36,164 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 09:06:36,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 09:06:36,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 09:06:36,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 09:06:36,164 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 09:06:36,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 09:06:36,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 09:06:36,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 09:06:36,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 09:06:36,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 09:06:36,165 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 09:06:36,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 09:06:36,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 09:06:36,166 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 09:06:36,166 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 09:06:36,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 09:06:36,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 09:06:36,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 09:06:36,617 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 09:06:36,620 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 09:06:36,621 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0683b.c [2020-10-29 09:06:36,704 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e502a245b/15d438aad0944ddf855f242aee4ade05/FLAGfac46b3b5 [2020-10-29 09:06:37,341 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 09:06:37,342 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/double_req_bl_0683b.c [2020-10-29 09:06:37,355 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e502a245b/15d438aad0944ddf855f242aee4ade05/FLAGfac46b3b5 [2020-10-29 09:06:37,686 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e502a245b/15d438aad0944ddf855f242aee4ade05 [2020-10-29 09:06:37,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 09:06:37,698 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 09:06:37,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 09:06:37,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 09:06:37,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 09:06:37,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:06:37" (1/1) ... [2020-10-29 09:06:37,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13cf072b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:06:37, skipping insertion in model container [2020-10-29 09:06:37,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:06:37" (1/1) ... [2020-10-29 09:06:37,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 09:06:37,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 09:06:38,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:06:38,137 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 09:06:38,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:06:38,234 INFO L208 MainTranslator]: Completed translation [2020-10-29 09:06:38,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:06:38 WrapperNode [2020-10-29 09:06:38,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 09:06:38,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 09:06:38,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 09:06:38,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 09:06:38,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:06:38" (1/1) ... [2020-10-29 09:06:38,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:06:38" (1/1) ... [2020-10-29 09:06:38,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:06:38" (1/1) ... [2020-10-29 09:06:38,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:06:38" (1/1) ... [2020-10-29 09:06:38,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:06:38" (1/1) ... [2020-10-29 09:06:38,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:06:38" (1/1) ... [2020-10-29 09:06:38,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:06:38" (1/1) ... [2020-10-29 09:06:38,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 09:06:38,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 09:06:38,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 09:06:38,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 09:06:38,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:06:38" (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 09:06:38,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 09:06:38,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 09:06:38,413 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 09:06:38,413 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2020-10-29 09:06:38,413 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2020-10-29 09:06:38,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2 [2020-10-29 09:06:38,414 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2020-10-29 09:06:38,414 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2020-10-29 09:06:38,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2020-10-29 09:06:38,415 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 09:06:38,415 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 09:06:38,415 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 09:06:38,415 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 09:06:38,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 09:06:38,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-10-29 09:06:38,416 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2020-10-29 09:06:38,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-29 09:06:38,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 09:06:38,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 09:06:38,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 09:06:38,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-29 09:06:38,417 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2020-10-29 09:06:38,417 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2 [2020-10-29 09:06:38,418 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2020-10-29 09:06:38,418 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2020-10-29 09:06:38,418 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2020-10-29 09:06:38,418 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 09:06:38,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 09:06:38,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 09:06:38,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-29 09:06:38,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 09:06:39,672 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 09:06:39,672 INFO L298 CfgBuilder]: Removed 22 assume(true) statements. [2020-10-29 09:06:39,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:06:39 BoogieIcfgContainer [2020-10-29 09:06:39,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 09:06:39,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 09:06:39,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 09:06:39,683 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 09:06:39,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 09:06:37" (1/3) ... [2020-10-29 09:06:39,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a022fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:06:39, skipping insertion in model container [2020-10-29 09:06:39,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:06:38" (2/3) ... [2020-10-29 09:06:39,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a022fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:06:39, skipping insertion in model container [2020-10-29 09:06:39,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:06:39" (3/3) ... [2020-10-29 09:06:39,687 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683b.c [2020-10-29 09:06:39,700 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 09:06:39,705 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 09:06:39,720 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 09:06:39,763 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 09:06:39,764 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 09:06:39,764 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 09:06:39,783 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 09:06:39,783 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 09:06:39,783 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 09:06:39,783 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 09:06:39,784 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 09:06:39,815 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2020-10-29 09:06:39,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-29 09:06:39,823 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:06:39,824 INFO L422 BasicCegarLoop]: trace histogram [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 09:06:39,825 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:06:39,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:06:39,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1563664449, now seen corresponding path program 1 times [2020-10-29 09:06:39,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:06:39,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [826050334] [2020-10-29 09:06:39,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:06:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:06:40,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:06:40,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:06:40,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:06:40,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:06:40,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:06:40,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-29 09:06:40,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 09:06:40,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 957 [2020-10-29 09:06:40,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:06:40,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:06:40,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:06:40,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-29 09:06:40,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 09:06:40,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 09:06:41,164 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-10-29 09:06:41,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:06:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:06:41,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:06:41,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:06:41,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:06:41,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:06:41,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 09:06:41,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:06:41,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:06:41,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:06:41,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:06:41,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:06:41,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:06:41,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:06:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:06:41,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:06:41,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:06:41,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:06:41,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:06:41,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:06:41,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 09:06:41,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:06:41,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:06:41,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:06:41,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:06:41,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:06:41,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:06:41,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 09:06:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:06:41,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:06:41,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:06:41,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:06:41,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:06:41,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 09:06:41,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 09:06:41,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 09:06:41,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:06:41,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:06:41,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:06:41,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-29 09:06:41,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:06:41,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:06:41,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:06:41,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [826050334] [2020-10-29 09:06:41,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:06:41,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 09:06:41,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088264069] [2020-10-29 09:06:41,308 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 09:06:41,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:06:41,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 09:06:41,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-29 09:06:41,326 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 5 states. [2020-10-29 09:06:41,504 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-29 09:06:42,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:06:42,248 INFO L93 Difference]: Finished difference Result 256 states and 395 transitions. [2020-10-29 09:06:42,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-29 09:06:42,251 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-10-29 09:06:42,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:06:42,262 INFO L225 Difference]: With dead ends: 256 [2020-10-29 09:06:42,263 INFO L226 Difference]: Without dead ends: 125 [2020-10-29 09:06:42,271 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-29 09:06:42,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-10-29 09:06:42,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-10-29 09:06:42,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-10-29 09:06:42,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 165 transitions. [2020-10-29 09:06:42,378 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 165 transitions. Word has length 29 [2020-10-29 09:06:42,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:06:42,379 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 165 transitions. [2020-10-29 09:06:42,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 09:06:42,379 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 165 transitions. [2020-10-29 09:06:42,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-29 09:06:42,382 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:06:42,382 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:06:42,383 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 09:06:42,383 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:06:42,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:06:42,385 INFO L82 PathProgramCache]: Analyzing trace with hash -665724313, now seen corresponding path program 1 times [2020-10-29 09:06:42,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:06:42,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [956198174] [2020-10-29 09:06:42,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:06:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-29 09:06:42,525 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-29 09:06:42,526 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-29 09:06:42,532 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 09:06:42,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 09:06:42 BoogieIcfgContainer [2020-10-29 09:06:42,561 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 09:06:42,565 INFO L168 Benchmark]: Toolchain (without parser) took 4870.74 ms. Allocated memory was 167.8 MB in the beginning and 201.3 MB in the end (delta: 33.6 MB). Free memory was 144.0 MB in the beginning and 87.8 MB in the end (delta: 56.2 MB). Peak memory consumption was 90.5 MB. Max. memory is 8.0 GB. [2020-10-29 09:06:42,567 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 125.8 MB. Free memory was 101.5 MB in the beginning and 101.3 MB in the end (delta: 131.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 09:06:42,569 INFO L168 Benchmark]: CACSL2BoogieTranslator took 535.27 ms. Allocated memory is still 167.8 MB. Free memory was 143.3 MB in the beginning and 127.8 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2020-10-29 09:06:42,570 INFO L168 Benchmark]: Boogie Preprocessor took 93.44 ms. Allocated memory is still 167.8 MB. Free memory was 127.8 MB in the beginning and 124.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-29 09:06:42,571 INFO L168 Benchmark]: RCFGBuilder took 1345.85 ms. Allocated memory is still 167.8 MB. Free memory was 124.3 MB in the beginning and 107.6 MB in the end (delta: 16.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 8.0 GB. [2020-10-29 09:06:42,573 INFO L168 Benchmark]: TraceAbstraction took 2882.73 ms. Allocated memory was 167.8 MB in the beginning and 201.3 MB in the end (delta: 33.6 MB). Free memory was 107.1 MB in the beginning and 87.8 MB in the end (delta: 19.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 8.0 GB. [2020-10-29 09:06:42,583 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 125.8 MB. Free memory was 101.5 MB in the beginning and 101.3 MB in the end (delta: 131.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 535.27 ms. Allocated memory is still 167.8 MB. Free memory was 143.3 MB in the beginning and 127.8 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 93.44 ms. Allocated memory is still 167.8 MB. Free memory was 127.8 MB in the beginning and 124.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1345.85 ms. Allocated memory is still 167.8 MB. Free memory was 124.3 MB in the beginning and 107.6 MB in the end (delta: 16.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2882.73 ms. Allocated memory was 167.8 MB in the beginning and 201.3 MB in the end (delta: 33.6 MB). Free memory was 107.1 MB in the beginning and 87.8 MB in the end (delta: 19.3 MB). Peak memory consumption was 53.3 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 someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryDOUBLEComparisonOperation at line 299. 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; [L291] double x = 1.0 / 0.0; [L292] double y = __VERIFIER_nondet_double(); [L294] CALL, EXPR isinf_double(x) [L248] __int32_t hx, lx; [L250] ieee_double_shape_type ew_u; [L251] ew_u.value = (x) [L252] EXPR ew_u.parts.msw [L252] (hx) = ew_u.parts.msw [L253] EXPR ew_u.parts.lsw [L253] (lx) = ew_u.parts.lsw [L255] hx &= 0x7fffffff [L256] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L257] hx = 0x7ff00000 - hx [L258] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L294] RET, EXPR isinf_double(x) [L294] EXPR isinf_double(x) && isfinite_double(y) [L294] CALL, EXPR isfinite_double(y) [L262] __int32_t hx; [L264] ieee_double_shape_type gh_u; [L265] gh_u.value = (x) [L266] EXPR gh_u.parts.msw [L266] (hx) = gh_u.parts.msw [L268] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); [L294] RET, EXPR isfinite_double(y) [L294] EXPR isinf_double(x) && isfinite_double(y) [L294] COND TRUE isinf_double(x) && isfinite_double(y) && y > 0.0 [L296] 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; [L296] RET, EXPR __ieee754_atan2(y, x) [L296] double res = __ieee754_atan2(y, x); [L299] EXPR res == 0.0 && __signbit_double(res) == 0 [L299] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L300] CALL reach_error() [L3] __assert_fail("0", "double_req_bl_0683b.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 133 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 16 SDslu, 300 SDs, 0 SdLazy, 185 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred 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, 1.2s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 3500 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 Received shutdown request...