/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/double_req_bl_0530b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 10:17:42,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 10:17:42,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 10:17:42,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 10:17:42,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 10:17:42,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 10:17:42,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 10:17:42,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 10:17:42,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 10:17:42,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 10:17:42,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 10:17:42,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 10:17:42,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 10:17:42,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 10:17:42,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 10:17:42,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 10:17:42,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 10:17:42,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 10:17:42,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 10:17:42,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 10:17:42,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 10:17:42,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 10:17:42,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 10:17:42,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 10:17:42,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 10:17:42,621 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 10:17:42,621 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 10:17:42,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 10:17:42,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 10:17:42,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 10:17:42,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 10:17:42,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 10:17:42,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 10:17:42,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 10:17:42,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 10:17:42,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 10:17:42,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 10:17:42,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 10:17:42,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 10:17:42,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 10:17:42,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 10:17:42,631 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 10:17:42,653 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 10:17:42,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 10:17:42,655 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 10:17:42,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 10:17:42,655 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 10:17:42,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 10:17:42,656 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 10:17:42,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 10:17:42,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 10:17:42,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 10:17:42,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 10:17:42,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 10:17:42,657 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 10:17:42,657 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 10:17:42,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 10:17:42,657 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 10:17:42,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 10:17:42,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 10:17:42,658 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 10:17:42,658 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 10:17:42,658 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 10:17:42,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 10:17:42,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 10:17:42,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 10:17:42,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 10:17:42,659 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 10:17:42,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 10:17:42,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 10:17:42,660 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 10:17:42,660 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 10:17:42,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 10:17:42,955 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 10:17:42,959 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 10:17:42,960 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 10:17:42,961 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 10:17:42,961 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0530b.c [2020-10-13 10:17:43,044 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/affe021c8/4635ede7799340e8a0346c8d9650bacd/FLAGbb609c19d [2020-10-13 10:17:43,618 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 10:17:43,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/double_req_bl_0530b.c [2020-10-13 10:17:43,638 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/affe021c8/4635ede7799340e8a0346c8d9650bacd/FLAGbb609c19d [2020-10-13 10:17:43,814 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/affe021c8/4635ede7799340e8a0346c8d9650bacd [2020-10-13 10:17:43,822 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 10:17:43,824 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 10:17:43,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 10:17:43,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 10:17:43,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 10:17:43,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:17:43" (1/1) ... [2020-10-13 10:17:43,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78fd79c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:17:43, skipping insertion in model container [2020-10-13 10:17:43,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:17:43" (1/1) ... [2020-10-13 10:17:43,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 10:17:43,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 10:17:44,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 10:17:44,364 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 10:17:44,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 10:17:44,545 INFO L208 MainTranslator]: Completed translation [2020-10-13 10:17:44,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:17:44 WrapperNode [2020-10-13 10:17:44,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 10:17:44,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 10:17:44,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 10:17:44,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 10:17:44,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:17:44" (1/1) ... [2020-10-13 10:17:44,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:17:44" (1/1) ... [2020-10-13 10:17:44,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:17:44" (1/1) ... [2020-10-13 10:17:44,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:17:44" (1/1) ... [2020-10-13 10:17:44,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:17:44" (1/1) ... [2020-10-13 10:17:44,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:17:44" (1/1) ... [2020-10-13 10:17:44,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:17:44" (1/1) ... [2020-10-13 10:17:44,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 10:17:44,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 10:17:44,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 10:17:44,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 10:17:44,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:17:44" (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 10:17:44,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 10:17:44,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 10:17:44,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-10-13 10:17:44,833 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2020-10-13 10:17:44,833 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2020-10-13 10:17:44,834 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2020-10-13 10:17:44,834 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2020-10-13 10:17:44,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2 [2020-10-13 10:17:44,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2 [2020-10-13 10:17:44,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tan [2020-10-13 10:17:44,836 INFO L138 BoogieDeclarations]: Found implementation of procedure tan_double [2020-10-13 10:17:44,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2020-10-13 10:17:44,837 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 10:17:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 10:17:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-10-13 10:17:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-10-13 10:17:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2020-10-13 10:17:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 10:17:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-13 10:17:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 10:17:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 10:17:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 10:17:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-13 10:17:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2020-10-13 10:17:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2020-10-13 10:17:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2020-10-13 10:17:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2 [2020-10-13 10:17:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2 [2020-10-13 10:17:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tan [2020-10-13 10:17:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure tan_double [2020-10-13 10:17:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2020-10-13 10:17:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 10:17:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 10:17:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 10:17:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-13 10:17:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 10:17:46,137 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 10:17:46,138 INFO L295 CfgBuilder]: Removed 67 assume(true) statements. [2020-10-13 10:17:46,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:17:46 BoogieIcfgContainer [2020-10-13 10:17:46,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 10:17:46,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 10:17:46,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 10:17:46,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 10:17:46,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:17:43" (1/3) ... [2020-10-13 10:17:46,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c549aae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:17:46, skipping insertion in model container [2020-10-13 10:17:46,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:17:44" (2/3) ... [2020-10-13 10:17:46,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c549aae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:17:46, skipping insertion in model container [2020-10-13 10:17:46,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:17:46" (3/3) ... [2020-10-13 10:17:46,153 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0530b.c [2020-10-13 10:17:46,163 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 10:17:46,171 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 10:17:46,185 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 10:17:46,212 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 10:17:46,212 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 10:17:46,212 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 10:17:46,212 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 10:17:46,213 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 10:17:46,213 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 10:17:46,213 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 10:17:46,213 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 10:17:46,237 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states. [2020-10-13 10:17:46,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-13 10:17:46,244 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:17:46,246 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 10:17:46,246 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:17:46,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:17:46,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1997694541, now seen corresponding path program 1 times [2020-10-13 10:17:46,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:17:46,262 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2062235089] [2020-10-13 10:17:46,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:17:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:17:46,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:17:46,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:17:46,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 10:17:46,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:17:46,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 342 [2020-10-13 10:17:46,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:17:46,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:17:46,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 10:17:46,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:17:46,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 10:17:47,096 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-13 10:17:47,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:17:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:17:47,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:17:47,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:17:47,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:17:47,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:17:47,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-13 10:17:47,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:17:47,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:17:47,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:17:47,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:17:47,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:17:47,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:17:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:17:47,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:17:47,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:17:47,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 10:17:47,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:17:47,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 10:17:47,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:17:47,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:17:47,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 10:17:47,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:17:47,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:17:47,271 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 10:17:47,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2062235089] [2020-10-13 10:17:47,273 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:17:47,274 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 10:17:47,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402929055] [2020-10-13 10:17:47,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 10:17:47,280 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:17:47,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 10:17:47,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 10:17:47,298 INFO L87 Difference]: Start difference. First operand 281 states. Second operand 4 states. [2020-10-13 10:17:47,443 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-13 10:17:48,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:17:48,447 INFO L93 Difference]: Finished difference Result 554 states and 903 transitions. [2020-10-13 10:17:48,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 10:17:48,449 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-10-13 10:17:48,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:17:48,465 INFO L225 Difference]: With dead ends: 554 [2020-10-13 10:17:48,465 INFO L226 Difference]: Without dead ends: 277 [2020-10-13 10:17:48,473 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 10:17:48,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-10-13 10:17:48,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2020-10-13 10:17:48,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2020-10-13 10:17:48,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 376 transitions. [2020-10-13 10:17:48,554 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 376 transitions. Word has length 18 [2020-10-13 10:17:48,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:17:48,554 INFO L479 AbstractCegarLoop]: Abstraction has 277 states and 376 transitions. [2020-10-13 10:17:48,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 10:17:48,554 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 376 transitions. [2020-10-13 10:17:48,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-13 10:17:48,556 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:17:48,556 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 10:17:48,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 10:17:48,556 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:17:48,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:17:48,557 INFO L82 PathProgramCache]: Analyzing trace with hash 910958596, now seen corresponding path program 1 times [2020-10-13 10:17:48,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:17:48,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1982085612] [2020-10-13 10:17:48,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:17:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-13 10:17:48,629 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-13 10:17:48,629 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-13 10:17:48,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 10:17:48,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 10:17:48 BoogieIcfgContainer [2020-10-13 10:17:48,658 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 10:17:48,660 INFO L168 Benchmark]: Toolchain (without parser) took 4836.44 ms. Allocated memory was 143.7 MB in the beginning and 244.8 MB in the end (delta: 101.2 MB). Free memory was 103.4 MB in the beginning and 95.8 MB in the end (delta: 7.6 MB). Peak memory consumption was 108.7 MB. Max. memory is 7.1 GB. [2020-10-13 10:17:48,661 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 143.7 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 10:17:48,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.98 ms. Allocated memory was 143.7 MB in the beginning and 204.5 MB in the end (delta: 60.8 MB). Free memory was 103.2 MB in the beginning and 163.8 MB in the end (delta: -60.7 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2020-10-13 10:17:48,663 INFO L168 Benchmark]: Boogie Preprocessor took 188.21 ms. Allocated memory is still 204.5 MB. Free memory was 163.8 MB in the beginning and 156.4 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. [2020-10-13 10:17:48,664 INFO L168 Benchmark]: RCFGBuilder took 1409.52 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 156.4 MB in the beginning and 141.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 71.0 MB. Max. memory is 7.1 GB. [2020-10-13 10:17:48,665 INFO L168 Benchmark]: TraceAbstraction took 2512.85 ms. Allocated memory was 234.9 MB in the beginning and 244.8 MB in the end (delta: 10.0 MB). Free memory was 141.7 MB in the beginning and 95.8 MB in the end (delta: 45.9 MB). Peak memory consumption was 55.9 MB. Max. memory is 7.1 GB. [2020-10-13 10:17:48,670 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 143.7 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 720.98 ms. Allocated memory was 143.7 MB in the beginning and 204.5 MB in the end (delta: 60.8 MB). Free memory was 103.2 MB in the beginning and 163.8 MB in the end (delta: -60.7 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 188.21 ms. Allocated memory is still 204.5 MB. Free memory was 163.8 MB in the beginning and 156.4 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1409.52 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 156.4 MB in the beginning and 141.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 71.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2512.85 ms. Allocated memory was 234.9 MB in the beginning and 244.8 MB in the end (delta: 10.0 MB). Free memory was 141.7 MB in the beginning and 95.8 MB in the end (delta: 45.9 MB). Peak memory consumption was 55.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 660]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 655, overapproximation of bitwiseAnd at line 622, overapproximation of someBinaryArithmeticDOUBLEoperation at line 627, overapproximation of someBinaryDOUBLEComparisonOperation at line 659. Possible FailurePath: [L20] static const double huge_floor = 1.0e300; [L106-L108] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L177] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L179-L184] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L186-L188] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L363-L374] static const __int32_t two_over_pi_rempio[] = { 0xA2F983, 0x6E4E44, 0x1529FC, 0x2757D1, 0xF534DD, 0xC0DB62, 0x95993C, 0x439041, 0xFE5163, 0xABDEBB, 0xC561B7, 0x246E3A, 0x424DD2, 0xE00649, 0x2EEA09, 0xD1921C, 0xFE1DEB, 0x1CB129, 0xA73EE8, 0x8235F5, 0x2EBB44, 0x84E99C, 0x7026B4, 0x5F7E41, 0x3991D6, 0x398353, 0x39F49C, 0x845F8B, 0xBDF928, 0x3B1FF8, 0x97FFDE, 0x05980F, 0xEF2F11, 0x8B5A0A, 0x6D1F6D, 0x367ECF, 0x27CB09, 0xB74F46, 0x3F669E, 0x5FEA2D, 0x7527BA, 0xC7EBE5, 0xF17B3D, 0x0739F7, 0x8A5292, 0xEA6BFB, 0x5FB11F, 0x8D5D08, 0x560330, 0x46FC7B, 0x6BABF0, 0xCFBC20, 0x9AF436, 0x1DA9E3, 0x91615E, 0xE61B08, 0x659985, 0x5F14A0, 0x68408D, 0xFFD880, 0x4D7327, 0x310606, 0x1556CA, 0x73A8C9, 0x60E27B, 0xC08C6B, }; [L376-L383] static const __int32_t npio2_hw_rempio[] = { 0x3FF921FB, 0x400921FB, 0x4012D97C, 0x401921FB, 0x401F6A7A, 0x4022D97C, 0x4025FDBB, 0x402921FB, 0x402C463A, 0x402F6A7A, 0x4031475C, 0x4032D97C, 0x40346B9C, 0x4035FDBB, 0x40378FDB, 0x403921FB, 0x403AB41B, 0x403C463A, 0x403DD85A, 0x403F6A7A, 0x40407E4C, 0x4041475C, 0x4042106C, 0x4042D97C, 0x4043A28C, 0x40446B9C, 0x404534AC, 0x4045FDBB, 0x4046C6CB, 0x40478FDB, 0x404858EB, 0x404921FB, }; [L385-L394] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L527-L538] static const double one_ktan = 1.00000000000000000000e+00, pio4_ktan = 7.85398163397448278999e-01, pio4lo_ktan = 3.06161699786838301793e-17, T[] = { 3.33333333333334091986e-01, 1.33333333333201242699e-01, 5.39682539762260521377e-02, 2.18694882948595424599e-02, 8.86323982359930005737e-03, 3.59207910759131235356e-03, 1.45620945432529025516e-03, 5.88041240820264096874e-04, 2.46463134818469906812e-04, 7.81794442939557092300e-05, 7.14072491382608190305e-05, -1.85586374855275456654e-05, 2.59073051863633712884e-05, }; [L655] double x = -0.0; [L656] CALL, EXPR tan_double(x) [L613] double y[2], z = 0.0; [L614] __int32_t n, ix; [L617] ieee_double_shape_type gh_u; [L618] gh_u.value = (x) [L619] EXPR gh_u.parts.msw [L619] (ix) = gh_u.parts.msw [L622] ix &= 0x7fffffff [L623] COND FALSE !(ix <= 0x3fe921fb) [L626] COND TRUE ix >= 0x7ff00000 [L627] return x - x; [L627] return x - x; [L656] RET, EXPR tan_double(x) [L656] double res = tan_double(x); [L659] EXPR res == -0.0 && __signbit_double(res) == 1 [L659] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L660] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 370 SDtfs, 14 SDslu, 292 SDs, 0 SdLazy, 428 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=281occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 2329 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...