/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=NARROWEST --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/float_req_bl_0220b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 10:19:11,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 10:19:11,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 10:19:11,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 10:19:11,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 10:19:11,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 10:19:11,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 10:19:11,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 10:19:11,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 10:19:11,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 10:19:11,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 10:19:11,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 10:19:11,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 10:19:11,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 10:19:11,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 10:19:11,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 10:19:11,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 10:19:11,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 10:19:11,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 10:19:11,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 10:19:11,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 10:19:11,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 10:19:11,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 10:19:11,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 10:19:11,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 10:19:11,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 10:19:11,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 10:19:11,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 10:19:11,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 10:19:11,966 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 10:19:11,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 10:19:11,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 10:19:11,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 10:19:11,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 10:19:11,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 10:19:11,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 10:19:11,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 10:19:11,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 10:19:11,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 10:19:11,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 10:19:11,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 10:19:11,974 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 [2020-10-13 10:19:11,997 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 10:19:11,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 10:19:11,999 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 10:19:11,999 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 10:19:11,999 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 10:19:12,000 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 10:19:12,000 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 10:19:12,000 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 10:19:12,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 10:19:12,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 10:19:12,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 10:19:12,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 10:19:12,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 10:19:12,001 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 10:19:12,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 10:19:12,001 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 10:19:12,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 10:19:12,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 10:19:12,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 10:19:12,002 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 10:19:12,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 10:19:12,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 10:19:12,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 10:19:12,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 10:19:12,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 10:19:12,004 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 10:19:12,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 10:19:12,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 10:19:12,004 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 10:19:12,004 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 10:19:12,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 10:19:12,335 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 10:19:12,338 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 10:19:12,340 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 10:19:12,340 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 10:19:12,341 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0220b.c [2020-10-13 10:19:12,399 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61d0e934c/5dda75e0d0d045e48451dc3d9106bbb5/FLAG9784d5600 [2020-10-13 10:19:12,906 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 10:19:12,907 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/float_req_bl_0220b.c [2020-10-13 10:19:12,919 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61d0e934c/5dda75e0d0d045e48451dc3d9106bbb5/FLAG9784d5600 [2020-10-13 10:19:13,239 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61d0e934c/5dda75e0d0d045e48451dc3d9106bbb5 [2020-10-13 10:19:13,249 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 10:19:13,251 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 10:19:13,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 10:19:13,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 10:19:13,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 10:19:13,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:19:13" (1/1) ... [2020-10-13 10:19:13,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b88a15d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:19:13, skipping insertion in model container [2020-10-13 10:19:13,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:19:13" (1/1) ... [2020-10-13 10:19:13,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 10:19:13,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 10:19:13,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 10:19:13,798 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 10:19:13,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 10:19:13,979 INFO L208 MainTranslator]: Completed translation [2020-10-13 10:19:13,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:19:13 WrapperNode [2020-10-13 10:19:13,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 10:19:13,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 10:19:13,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 10:19:13,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 10:19:13,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:19:13" (1/1) ... [2020-10-13 10:19:13,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:19:13" (1/1) ... [2020-10-13 10:19:14,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:19:13" (1/1) ... [2020-10-13 10:19:14,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:19:13" (1/1) ... [2020-10-13 10:19:14,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:19:13" (1/1) ... [2020-10-13 10:19:14,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:19:13" (1/1) ... [2020-10-13 10:19:14,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:19:13" (1/1) ... [2020-10-13 10:19:14,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 10:19:14,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 10:19:14,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 10:19:14,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 10:19:14,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:19:13" (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 [2020-10-13 10:19:14,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 10:19:14,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 10:19:14,243 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2020-10-13 10:19:14,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2020-10-13 10:19:14,243 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2020-10-13 10:19:14,243 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2020-10-13 10:19:14,244 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2020-10-13 10:19:14,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2f [2020-10-13 10:19:14,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2f [2020-10-13 10:19:14,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2020-10-13 10:19:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2020-10-13 10:19:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure sin_float [2020-10-13 10:19:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 10:19:14,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 10:19:14,246 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2020-10-13 10:19:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 10:19:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-13 10:19:14,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 10:19:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 10:19:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 10:19:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-13 10:19:14,249 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2020-10-13 10:19:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2020-10-13 10:19:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2020-10-13 10:19:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2020-10-13 10:19:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2f [2020-10-13 10:19:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2f [2020-10-13 10:19:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2020-10-13 10:19:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2020-10-13 10:19:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure sin_float [2020-10-13 10:19:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 10:19:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 10:19:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 10:19:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-13 10:19:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 10:19:16,109 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 10:19:16,109 INFO L295 CfgBuilder]: Removed 61 assume(true) statements. [2020-10-13 10:19:16,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:19:16 BoogieIcfgContainer [2020-10-13 10:19:16,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 10:19:16,117 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 10:19:16,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 10:19:16,121 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 10:19:16,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:19:13" (1/3) ... [2020-10-13 10:19:16,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10dc7a88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:19:16, skipping insertion in model container [2020-10-13 10:19:16,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:19:13" (2/3) ... [2020-10-13 10:19:16,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10dc7a88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:19:16, skipping insertion in model container [2020-10-13 10:19:16,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:19:16" (3/3) ... [2020-10-13 10:19:16,125 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0220b.c [2020-10-13 10:19:16,137 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 10:19:16,148 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 10:19:16,164 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 10:19:16,211 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 10:19:16,211 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 10:19:16,212 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 10:19:16,212 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 10:19:16,212 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 10:19:16,212 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 10:19:16,213 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 10:19:16,213 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 10:19:16,252 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states. [2020-10-13 10:19:16,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-13 10:19:16,261 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:19:16,262 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:19:16,263 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:19:16,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:19:16,271 INFO L82 PathProgramCache]: Analyzing trace with hash -638314020, now seen corresponding path program 1 times [2020-10-13 10:19:16,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:19:16,281 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [831378137] [2020-10-13 10:19:16,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:19:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:19:16,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:19:17,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:19:17,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 10:19:17,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:19:17,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 391 [2020-10-13 10:19:17,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:19:17,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:19:17,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 10:19:17,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:19:17,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 10:19:17,382 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 10:19:17,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:19:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:19:17,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:19:17,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:19:17,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:19:17,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:19:17,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-13 10:19:17,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:19:17,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:19:17,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:19:17,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:19:17,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:19:17,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:19:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:19:17,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:19:17,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:19:17,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 10:19:17,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:19:17,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 10:19:17,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:19:17,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:19:17,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 10:19:17,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:19:17,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:19:17,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 10:19:17,647 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [831378137] [2020-10-13 10:19:17,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:19:17,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 10:19:17,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990559666] [2020-10-13 10:19:17,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 10:19:17,656 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:19:17,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 10:19:17,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 10:19:17,674 INFO L87 Difference]: Start difference. First operand 277 states. Second operand 4 states. [2020-10-13 10:19:17,912 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-13 10:19:19,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:19:19,668 INFO L93 Difference]: Finished difference Result 546 states and 881 transitions. [2020-10-13 10:19:19,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 10:19:19,671 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-10-13 10:19:19,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:19:19,686 INFO L225 Difference]: With dead ends: 546 [2020-10-13 10:19:19,686 INFO L226 Difference]: Without dead ends: 273 [2020-10-13 10:19:19,694 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 10:19:19,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-10-13 10:19:19,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2020-10-13 10:19:19,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2020-10-13 10:19:19,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 370 transitions. [2020-10-13 10:19:19,770 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 370 transitions. Word has length 18 [2020-10-13 10:19:19,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:19:19,771 INFO L479 AbstractCegarLoop]: Abstraction has 273 states and 370 transitions. [2020-10-13 10:19:19,771 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 10:19:19,771 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 370 transitions. [2020-10-13 10:19:19,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-13 10:19:19,773 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:19:19,773 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:19:19,774 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 10:19:19,774 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:19:19,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:19:19,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1805649132, now seen corresponding path program 1 times [2020-10-13 10:19:19,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:19:19,775 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1066220762] [2020-10-13 10:19:19,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:19:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-13 10:19:19,863 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-13 10:19:19,863 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-13 10:19:19,868 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 10:19:19,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 10:19:19 BoogieIcfgContainer [2020-10-13 10:19:19,890 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 10:19:19,892 INFO L168 Benchmark]: Toolchain (without parser) took 6641.75 ms. Allocated memory was 142.6 MB in the beginning and 284.2 MB in the end (delta: 141.6 MB). Free memory was 101.7 MB in the beginning and 152.1 MB in the end (delta: -50.4 MB). Peak memory consumption was 91.2 MB. Max. memory is 7.1 GB. [2020-10-13 10:19:19,893 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 142.6 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 10:19:19,894 INFO L168 Benchmark]: CACSL2BoogieTranslator took 728.60 ms. Allocated memory was 142.6 MB in the beginning and 203.4 MB in the end (delta: 60.8 MB). Free memory was 101.3 MB in the beginning and 161.3 MB in the end (delta: -60.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2020-10-13 10:19:19,895 INFO L168 Benchmark]: Boogie Preprocessor took 174.60 ms. Allocated memory is still 203.4 MB. Free memory was 161.3 MB in the beginning and 153.8 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. [2020-10-13 10:19:19,896 INFO L168 Benchmark]: RCFGBuilder took 1960.45 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 153.8 MB in the beginning and 103.9 MB in the end (delta: 49.9 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. [2020-10-13 10:19:19,897 INFO L168 Benchmark]: TraceAbstraction took 3772.88 ms. Allocated memory was 237.0 MB in the beginning and 284.2 MB in the end (delta: 47.2 MB). Free memory was 103.9 MB in the beginning and 152.1 MB in the end (delta: -48.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 10:19:19,901 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 142.6 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 728.60 ms. Allocated memory was 142.6 MB in the beginning and 203.4 MB in the end (delta: 60.8 MB). Free memory was 101.3 MB in the beginning and 161.3 MB in the end (delta: -60.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 174.60 ms. Allocated memory is still 203.4 MB. Free memory was 161.3 MB in the beginning and 153.8 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1960.45 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 153.8 MB in the beginning and 103.9 MB in the end (delta: 49.9 MB). Peak memory consumption was 83.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3772.88 ms. Allocated memory was 237.0 MB in the beginning and 284.2 MB in the end (delta: 47.2 MB). Free memory was 103.9 MB in the beginning and 152.1 MB in the end (delta: -48.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 627]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 626, overapproximation of someUnaryDOUBLEoperation at line 505, overapproximation of bitwiseAnd at line 592, overapproximation of someUnaryFLOAToperation at line 622, overapproximation of someBinaryArithmeticFLOAToperation at line 597. Possible FailurePath: [L11] static const float huge_floor = 1.0e30; [L88-L90] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L163] static const int init_jk_krempio[] = {4, 7, 9}; [L165-L169] static const float PIo2_krempio[] = { 1.5703125000e+00, 4.5776367188e-04, 2.5987625122e-05, 7.5437128544e-08, 6.0026650317e-11, 7.3896444519e-13, 5.3845816694e-15, 5.6378512969e-18, 8.3009228831e-20, 3.2756352257e-22, 6.3331015649e-25, }; [L171-L173] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L348-L366] static const __int32_t two_over_pi_rempio[] = { 0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC, 0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62, 0x95, 0x99, 0x3C, 0x43, 0x90, 0x41, 0xFE, 0x51, 0x63, 0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A, 0x42, 0x4D, 0xD2, 0xE0, 0x06, 0x49, 0x2E, 0xEA, 0x09, 0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29, 0xA7, 0x3E, 0xE8, 0x82, 0x35, 0xF5, 0x2E, 0xBB, 0x44, 0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41, 0x39, 0x91, 0xD6, 0x39, 0x83, 0x53, 0x39, 0xF4, 0x9C, 0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8, 0x97, 0xFF, 0xDE, 0x05, 0x98, 0x0F, 0xEF, 0x2F, 0x11, 0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF, 0x27, 0xCB, 0x09, 0xB7, 0x4F, 0x46, 0x3F, 0x66, 0x9E, 0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5, 0xF1, 0x7B, 0x3D, 0x07, 0x39, 0xF7, 0x8A, 0x52, 0x92, 0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08, 0x56, 0x03, 0x30, 0x46, 0xFC, 0x7B, 0x6B, 0xAB, 0xF0, 0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3, 0x91, 0x61, 0x5E, 0xE6, 0x1B, 0x08, 0x65, 0x99, 0x85, 0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80, 0x4D, 0x73, 0x27, 0x31, 0x06, 0x06, 0x15, 0x56, 0xCA, 0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B, }; [L368-L374] static const __int32_t npio2_hw_rempio[] = { 0x3fc90f00, 0x40490f00, 0x4096cb00, 0x40c90f00, 0x40fb5300, 0x4116cb00, 0x412fed00, 0x41490f00, 0x41623100, 0x417b5300, 0x418a3a00, 0x4196cb00, 0x41a35c00, 0x41afed00, 0x41bc7e00, 0x41c90f00, 0x41d5a000, 0x41e23100, 0x41eec200, 0x41fb5300, 0x4203f200, 0x420a3a00, 0x42108300, 0x4216cb00, 0x421d1400, 0x42235c00, 0x4229a500, 0x422fed00, 0x42363600, 0x423c7e00, 0x4242c700, 0x42490f00}; [L376-L385] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L505-L508] static const float half_ksin = 5.0000000000e-01, S1_ksin = -1.6666667163e-01, S2_ksin = 8.3333337680e-03, S3_ksin = -1.9841270114e-04, S4_ksin = 2.7557314297e-06, S5_ksin = -2.5050759689e-08, S6_ksin = 1.5896910177e-10; [L532-L535] static const float one_kcos = 1.0000000000e+00, C1_kcos = 4.1666667908e-02, C2_kcos = -1.3888889225e-03, C3_kcos = 2.4801587642e-05, C4_kcos = -2.7557314297e-07, C5_kcos = 2.0875723372e-09, C6_kcos = -1.1359647598e-11; [L572-L580] static const float one_ktan = 1.0000000000e+00, pio4_ktan = 7.8539812565e-01, pio4lo_ktan = 3.7748947079e-08, T_ktan[] = { 3.3333334327e-01, 1.3333334029e-01, 5.3968254477e-02, 2.1869488060e-02, 8.8632395491e-03, 3.5920790397e-03, 1.4562094584e-03, 5.8804126456e-04, 2.4646313977e-04, 7.8179444245e-05, 7.1407252108e-05, -1.8558637748e-05, 2.5907305826e-05, }; [L622] float x = -0.0f; [L623] CALL, EXPR sin_float(x) [L583] float y[2], z = 0.0; [L584] __int32_t n, ix; [L587] ieee_float_shape_type gf_u; [L588] gf_u.value = (x) [L589] EXPR gf_u.word [L589] (ix) = gf_u.word [L592] ix &= 0x7fffffff [L593] COND FALSE !(ix <= 0x3f490fd8) [L596] COND TRUE !((ix) < 0x7f800000L) [L597] return x - x; [L597] return x - x; [L623] RET, EXPR sin_float(x) [L623] float res = sin_float(x); [L626] EXPR res == -0.0f && __signbit_float(res) == 1 [L626] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L627] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 277 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 363 SDtfs, 16 SDslu, 281 SDs, 0 SdLazy, 422 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=277occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 2992 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...