/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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=0.2 --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 -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0683b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 23:17:09,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 23:17:09,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 23:17:09,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 23:17:09,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 23:17:09,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 23:17:09,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 23:17:09,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 23:17:09,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 23:17:09,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 23:17:09,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 23:17:09,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 23:17:09,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 23:17:09,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 23:17:09,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 23:17:09,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 23:17:09,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 23:17:10,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 23:17:10,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 23:17:10,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 23:17:10,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 23:17:10,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 23:17:10,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 23:17:10,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 23:17:10,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 23:17:10,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 23:17:10,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 23:17:10,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 23:17:10,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 23:17:10,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 23:17:10,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 23:17:10,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 23:17:10,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 23:17:10,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 23:17:10,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 23:17:10,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 23:17:10,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 23:17:10,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 23:17:10,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 23:17:10,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 23:17:10,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 23:17:10,020 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 [2020-10-14 23:17:10,043 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 23:17:10,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 23:17:10,044 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 23:17:10,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 23:17:10,045 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 23:17:10,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 23:17:10,045 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 23:17:10,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 23:17:10,046 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 23:17:10,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 23:17:10,046 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 23:17:10,046 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 23:17:10,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 23:17:10,047 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 23:17:10,047 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 23:17:10,047 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 23:17:10,047 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 23:17:10,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 23:17:10,048 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 23:17:10,048 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 23:17:10,048 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 23:17:10,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 23:17:10,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 23:17:10,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 23:17:10,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 23:17:10,049 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 23:17:10,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 23:17:10,049 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 23:17:10,050 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 23:17:10,050 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=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=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 23:17:10,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 23:17:10,401 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 23:17:10,405 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 23:17:10,408 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 23:17:10,408 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 23:17:10,410 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0683b.c [2020-10-14 23:17:10,488 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/df28aab0d/6ebd228f29344765ba6a64f5cf09f7ec/FLAGd38218978 [2020-10-14 23:17:10,934 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 23:17:10,935 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/double_req_bl_0683b.c [2020-10-14 23:17:10,943 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/df28aab0d/6ebd228f29344765ba6a64f5cf09f7ec/FLAGd38218978 [2020-10-14 23:17:11,289 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/df28aab0d/6ebd228f29344765ba6a64f5cf09f7ec [2020-10-14 23:17:11,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 23:17:11,301 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 23:17:11,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 23:17:11,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 23:17:11,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 23:17:11,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:17:11" (1/1) ... [2020-10-14 23:17:11,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4207e6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:17:11, skipping insertion in model container [2020-10-14 23:17:11,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:17:11" (1/1) ... [2020-10-14 23:17:11,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 23:17:11,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 23:17:11,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 23:17:11,722 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 23:17:11,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 23:17:11,889 INFO L208 MainTranslator]: Completed translation [2020-10-14 23:17:11,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:17:11 WrapperNode [2020-10-14 23:17:11,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 23:17:11,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 23:17:11,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 23:17:11,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 23:17:11,904 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:17:11" (1/1) ... [2020-10-14 23:17:11,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:17:11" (1/1) ... [2020-10-14 23:17:11,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:17:11" (1/1) ... [2020-10-14 23:17:11,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:17:11" (1/1) ... [2020-10-14 23:17:11,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:17:11" (1/1) ... [2020-10-14 23:17:11,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:17:11" (1/1) ... [2020-10-14 23:17:11,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:17:11" (1/1) ... [2020-10-14 23:17:11,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 23:17:11,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 23:17:11,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 23:17:11,974 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 23:17:11,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:17:11" (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 [2020-10-14 23:17:12,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 23:17:12,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 23:17:12,046 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2020-10-14 23:17:12,046 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2020-10-14 23:17:12,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2 [2020-10-14 23:17:12,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2020-10-14 23:17:12,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2020-10-14 23:17:12,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2020-10-14 23:17:12,047 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 23:17:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 23:17:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-10-14 23:17:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2020-10-14 23:17:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 23:17:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-14 23:17:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 23:17:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 23:17:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 23:17:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-14 23:17:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2020-10-14 23:17:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2 [2020-10-14 23:17:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2020-10-14 23:17:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2020-10-14 23:17:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2020-10-14 23:17:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 23:17:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 23:17:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-14 23:17:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 23:17:12,814 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 23:17:12,814 INFO L295 CfgBuilder]: Removed 22 assume(true) statements. [2020-10-14 23:17:12,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:17:12 BoogieIcfgContainer [2020-10-14 23:17:12,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 23:17:12,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 23:17:12,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 23:17:12,826 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 23:17:12,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:17:11" (1/3) ... [2020-10-14 23:17:12,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c1f052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:17:12, skipping insertion in model container [2020-10-14 23:17:12,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:17:11" (2/3) ... [2020-10-14 23:17:12,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67c1f052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:17:12, skipping insertion in model container [2020-10-14 23:17:12,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:17:12" (3/3) ... [2020-10-14 23:17:12,829 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683b.c [2020-10-14 23:17:12,841 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 23:17:12,849 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 23:17:12,864 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 23:17:12,891 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 23:17:12,892 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 23:17:12,892 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 23:17:12,892 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 23:17:12,892 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 23:17:12,893 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 23:17:12,893 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 23:17:12,893 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 23:17:12,915 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2020-10-14 23:17:12,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-14 23:17:12,923 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:17:12,924 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] [2020-10-14 23:17:12,924 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:17:12,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:17:12,930 INFO L82 PathProgramCache]: Analyzing trace with hash 466315102, now seen corresponding path program 1 times [2020-10-14 23:17:12,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:17:12,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1798234292] [2020-10-14 23:17:12,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:17:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:17:13,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:17:13,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:17:13,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:17:13,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:17:13,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:17:13,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-14 23:17:13,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 23:17:13,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 790 [2020-10-14 23:17:13,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:17:13,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:17:13,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 23:17:13,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 23:17:13,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 23:17:13,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 23:17:14,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 23:17:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:17:14,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:17:14,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:17:14,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 23:17:14,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 23:17:14,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 23:17:14,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:17:14,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:17:14,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:17:14,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 23:17:14,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:17:14,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:17:14,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 23:17:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:17:14,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:17:14,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:17:14,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:17:14,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 23:17:14,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 23:17:14,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 23:17:14,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:17:14,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:17:14,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:17:14,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 23:17:14,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:17:14,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:17:14,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 23:17:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 23:17:14,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:17:14,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:17:14,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 23:17:14,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 23:17:14,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 23:17:14,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 23:17:14,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 23:17:14,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 23:17:14,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 23:17:14,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 23:17:14,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 23:17:14,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 23:17:14,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 23:17:14,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 23:17:14,118 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1798234292] [2020-10-14 23:17:14,120 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 23:17:14,120 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 23:17:14,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033127600] [2020-10-14 23:17:14,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 23:17:14,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 23:17:14,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 23:17:14,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 23:17:14,145 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 5 states. [2020-10-14 23:17:14,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 23:17:14,638 INFO L93 Difference]: Finished difference Result 251 states and 389 transitions. [2020-10-14 23:17:14,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 23:17:14,640 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-10-14 23:17:14,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 23:17:14,651 INFO L225 Difference]: With dead ends: 251 [2020-10-14 23:17:14,652 INFO L226 Difference]: Without dead ends: 124 [2020-10-14 23:17:14,657 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 23:17:14,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-10-14 23:17:14,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2020-10-14 23:17:14,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-10-14 23:17:14,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 164 transitions. [2020-10-14 23:17:14,723 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 164 transitions. Word has length 28 [2020-10-14 23:17:14,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 23:17:14,724 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 164 transitions. [2020-10-14 23:17:14,724 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 23:17:14,724 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 164 transitions. [2020-10-14 23:17:14,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-14 23:17:14,727 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 23:17:14,727 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] [2020-10-14 23:17:14,728 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 23:17:14,728 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 23:17:14,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 23:17:14,729 INFO L82 PathProgramCache]: Analyzing trace with hash 810186703, now seen corresponding path program 1 times [2020-10-14 23:17:14,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 23:17:14,729 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [740880513] [2020-10-14 23:17:14,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 23:17:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-14 23:17:14,815 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-14 23:17:14,815 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-14 23:17:14,824 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 23:17:14,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:17:14 BoogieIcfgContainer [2020-10-14 23:17:14,856 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 23:17:14,860 INFO L168 Benchmark]: Toolchain (without parser) took 3557.65 ms. Allocated memory was 146.8 MB in the beginning and 246.9 MB in the end (delta: 100.1 MB). Free memory was 102.6 MB in the beginning and 171.9 MB in the end (delta: -69.3 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. [2020-10-14 23:17:14,862 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 121.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 23:17:14,867 INFO L168 Benchmark]: CACSL2BoogieTranslator took 584.22 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 102.2 MB in the beginning and 176.5 MB in the end (delta: -74.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2020-10-14 23:17:14,868 INFO L168 Benchmark]: Boogie Preprocessor took 82.31 ms. Allocated memory is still 203.4 MB. Free memory was 176.5 MB in the beginning and 172.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-10-14 23:17:14,869 INFO L168 Benchmark]: RCFGBuilder took 846.67 ms. Allocated memory is still 203.4 MB. Free memory was 172.5 MB in the beginning and 121.4 MB in the end (delta: 51.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 7.1 GB. [2020-10-14 23:17:14,871 INFO L168 Benchmark]: TraceAbstraction took 2034.31 ms. Allocated memory was 203.4 MB in the beginning and 246.9 MB in the end (delta: 43.5 MB). Free memory was 120.5 MB in the beginning and 171.9 MB in the end (delta: -51.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-14 23:17:14,881 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 121.0 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 584.22 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 102.2 MB in the beginning and 176.5 MB in the end (delta: -74.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.31 ms. Allocated memory is still 203.4 MB. Free memory was 176.5 MB in the beginning and 172.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 846.67 ms. Allocated memory is still 203.4 MB. Free memory was 172.5 MB in the beginning and 121.4 MB in the end (delta: 51.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2034.31 ms. Allocated memory was 203.4 MB in the beginning and 246.9 MB in the end (delta: 43.5 MB). Free memory was 120.5 MB in the beginning and 171.9 MB in the end (delta: -51.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 298]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 162, overapproximation of someUnaryDOUBLEoperation at line 52, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryDOUBLEComparisonOperation at line 297. Possible FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] 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, }; [L60-L62] 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; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; [L289] double x = 1.0 / 0.0; [L290] double y = __VERIFIER_nondet_double(); [L292] CALL, EXPR isinf_double(x) [L246] __int32_t hx, lx; [L248] ieee_double_shape_type ew_u; [L249] ew_u.value = (x) [L250] EXPR ew_u.parts.msw [L250] (hx) = ew_u.parts.msw [L251] EXPR ew_u.parts.lsw [L251] (lx) = ew_u.parts.lsw [L253] hx &= 0x7fffffff [L254] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L255] hx = 0x7ff00000 - hx [L256] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L292] RET, EXPR isinf_double(x) [L292] EXPR isinf_double(x) && isfinite_double(y) [L292] CALL, EXPR isfinite_double(y) [L260] __int32_t hx; [L262] ieee_double_shape_type gh_u; [L263] gh_u.value = (x) [L264] EXPR gh_u.parts.msw [L264] (hx) = gh_u.parts.msw [L266] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); [L292] RET, EXPR isfinite_double(y) [L292] EXPR isinf_double(x) && isfinite_double(y) [L292] COND TRUE isinf_double(x) && isfinite_double(y) && y > 0.0 [L294] CALL, EXPR __ieee754_atan2(y, x) [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; [L294] RET, EXPR __ieee754_atan2(y, x) [L294] double res = __ieee754_atan2(y, x); [L297] EXPR res == 0.0 && __signbit_double(res) == 0 [L297] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L298] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 129 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 163 SDtfs, 14 SDslu, 301 SDs, 0 SdLazy, 185 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred 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, 0.9s InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 2862 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...