/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_0310.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 10:19:19,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 10:19:19,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 10:19:19,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 10:19:19,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 10:19:19,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 10:19:19,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 10:19:19,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 10:19:19,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 10:19:19,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 10:19:19,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 10:19:19,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 10:19:19,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 10:19:19,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 10:19:19,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 10:19:19,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 10:19:19,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 10:19:19,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 10:19:19,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 10:19:19,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 10:19:19,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 10:19:19,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 10:19:19,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 10:19:19,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 10:19:19,669 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 10:19:19,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 10:19:19,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 10:19:19,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 10:19:19,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 10:19:19,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 10:19:19,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 10:19:19,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 10:19:19,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 10:19:19,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 10:19:19,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 10:19:19,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 10:19:19,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 10:19:19,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 10:19:19,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 10:19:19,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 10:19:19,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 10:19:19,682 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 10:19:19,729 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 10:19:19,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 10:19:19,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 10:19:19,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 10:19:19,734 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 10:19:19,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 10:19:19,737 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 10:19:19,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 10:19:19,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 10:19:19,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 10:19:19,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 10:19:19,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 10:19:19,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 10:19:19,739 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 10:19:19,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 10:19:19,739 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 10:19:19,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 10:19:19,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 10:19:19,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 10:19:19,740 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 10:19:19,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 10:19:19,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 10:19:19,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 10:19:19,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 10:19:19,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 10:19:19,741 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 10:19:19,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 10:19:19,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 10:19:19,742 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 10:19:19,742 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 10:19:20,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 10:19:20,070 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 10:19:20,074 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 10:19:20,075 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 10:19:20,076 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 10:19:20,077 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0310.c [2020-10-13 10:19:20,158 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/42600a03e/c0e228fbe9f9418a9fbe3508fe6ebd65/FLAGeb1077f06 [2020-10-13 10:19:20,699 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 10:19:20,700 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/float_req_bl_0310.c [2020-10-13 10:19:20,712 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/42600a03e/c0e228fbe9f9418a9fbe3508fe6ebd65/FLAGeb1077f06 [2020-10-13 10:19:20,985 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/42600a03e/c0e228fbe9f9418a9fbe3508fe6ebd65 [2020-10-13 10:19:20,995 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 10:19:20,997 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 10:19:20,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 10:19:20,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 10:19:21,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 10:19:21,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:19:20" (1/1) ... [2020-10-13 10:19:21,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dceca50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:19:21, skipping insertion in model container [2020-10-13 10:19:21,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:19:20" (1/1) ... [2020-10-13 10:19:21,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 10:19:21,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 10:19:21,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 10:19:21,562 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 10:19:21,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 10:19:21,845 INFO L208 MainTranslator]: Completed translation [2020-10-13 10:19:21,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:19:21 WrapperNode [2020-10-13 10:19:21,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 10:19:21,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 10:19:21,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 10:19:21,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 10:19:21,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:19:21" (1/1) ... [2020-10-13 10:19:21,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:19:21" (1/1) ... [2020-10-13 10:19:21,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:19:21" (1/1) ... [2020-10-13 10:19:21,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:19:21" (1/1) ... [2020-10-13 10:19:21,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:19:21" (1/1) ... [2020-10-13 10:19:21,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:19:21" (1/1) ... [2020-10-13 10:19:22,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:19:21" (1/1) ... [2020-10-13 10:19:22,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 10:19:22,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 10:19:22,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 10:19:22,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 10:19:22,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:19:21" (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 10:19:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 10:19:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 10:19:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2020-10-13 10:19:22,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2020-10-13 10:19:22,080 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2020-10-13 10:19:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2020-10-13 10:19:22,081 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2020-10-13 10:19:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2f [2020-10-13 10:19:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2f [2020-10-13 10:19:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2020-10-13 10:19:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2020-10-13 10:19:22,082 INFO L138 BoogieDeclarations]: Found implementation of procedure cos_float [2020-10-13 10:19:22,083 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 10:19:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 10:19:22,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-10-13 10:19:22,084 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2020-10-13 10:19:22,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 10:19:22,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-13 10:19:22,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 10:19:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 10:19:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 10:19:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-13 10:19:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2020-10-13 10:19:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2020-10-13 10:19:22,086 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2020-10-13 10:19:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2020-10-13 10:19:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2f [2020-10-13 10:19:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2f [2020-10-13 10:19:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2020-10-13 10:19:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2020-10-13 10:19:22,087 INFO L130 BoogieDeclarations]: Found specification of procedure cos_float [2020-10-13 10:19:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 10:19:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 10:19:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 10:19:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-13 10:19:22,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 10:19:23,612 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 10:19:23,613 INFO L295 CfgBuilder]: Removed 59 assume(true) statements. [2020-10-13 10:19:23,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:19:23 BoogieIcfgContainer [2020-10-13 10:19:23,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 10:19:23,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 10:19:23,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 10:19:23,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 10:19:23,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:19:20" (1/3) ... [2020-10-13 10:19:23,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35da7198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:19:23, skipping insertion in model container [2020-10-13 10:19:23,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:19:21" (2/3) ... [2020-10-13 10:19:23,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35da7198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:19:23, skipping insertion in model container [2020-10-13 10:19:23,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:19:23" (3/3) ... [2020-10-13 10:19:23,627 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0310.c [2020-10-13 10:19:23,638 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 10:19:23,646 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 10:19:23,662 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 10:19:23,690 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 10:19:23,691 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 10:19:23,691 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 10:19:23,691 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 10:19:23,691 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 10:19:23,691 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 10:19:23,691 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 10:19:23,692 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 10:19:23,718 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states. [2020-10-13 10:19:23,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-13 10:19:23,726 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:19:23,727 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] [2020-10-13 10:19:23,728 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:19:23,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:19:23,734 INFO L82 PathProgramCache]: Analyzing trace with hash 527730741, now seen corresponding path program 1 times [2020-10-13 10:19:23,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:19:23,744 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1529081851] [2020-10-13 10:19:23,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:19:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:19:24,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:19:24,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:19:24,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 10:19:24,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:19:24,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 434 [2020-10-13 10:19:24,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:19:24,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:19:24,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 10:19:24,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:19:24,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 10:19:24,783 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-13 10:19:24,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:19:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:19:24,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:19:24,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:19:24,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:19:24,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:19:24,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 10:19:24,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:19:24,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:19:24,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:19:24,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:19:24,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:19:24,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 10:19:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:19:24,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:19:24,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:19:24,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 10:19:24,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:19:24,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 10:19:24,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:19:24,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:19:24,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 10:19:24,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:19:24,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:19:24,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 10:19:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:19:24,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:19:24,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:19:24,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 10:19:24,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:19:24,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:19:24,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:19:24,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:19:24,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 10:19:24,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:19:24,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:19:24,928 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 10:19:24,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1529081851] [2020-10-13 10:19:24,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:19:24,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 10:19:24,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063770542] [2020-10-13 10:19:24,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 10:19:24,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:19:24,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 10:19:24,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 10:19:24,955 INFO L87 Difference]: Start difference. First operand 273 states. Second operand 4 states. [2020-10-13 10:19:25,150 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-13 10:19:26,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:19:26,140 INFO L93 Difference]: Finished difference Result 538 states and 866 transitions. [2020-10-13 10:19:26,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 10:19:26,147 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-10-13 10:19:26,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:19:26,160 INFO L225 Difference]: With dead ends: 538 [2020-10-13 10:19:26,161 INFO L226 Difference]: Without dead ends: 269 [2020-10-13 10:19:26,168 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 10:19:26,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-10-13 10:19:26,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2020-10-13 10:19:26,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2020-10-13 10:19:26,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 365 transitions. [2020-10-13 10:19:26,260 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 365 transitions. Word has length 22 [2020-10-13 10:19:26,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:19:26,268 INFO L479 AbstractCegarLoop]: Abstraction has 269 states and 365 transitions. [2020-10-13 10:19:26,268 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 10:19:26,268 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 365 transitions. [2020-10-13 10:19:26,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-13 10:19:26,272 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:19:26,272 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] [2020-10-13 10:19:26,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 10:19:26,273 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:19:26,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:19:26,274 INFO L82 PathProgramCache]: Analyzing trace with hash -801296839, now seen corresponding path program 1 times [2020-10-13 10:19:26,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:19:26,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [947808221] [2020-10-13 10:19:26,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:19:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-13 10:19:26,381 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-13 10:19:26,381 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-13 10:19:26,388 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 10:19:26,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 10:19:26 BoogieIcfgContainer [2020-10-13 10:19:26,428 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 10:19:26,431 INFO L168 Benchmark]: Toolchain (without parser) took 5432.85 ms. Allocated memory was 145.2 MB in the beginning and 251.7 MB in the end (delta: 106.4 MB). Free memory was 100.6 MB in the beginning and 82.8 MB in the end (delta: 17.8 MB). Peak memory consumption was 124.2 MB. Max. memory is 7.1 GB. [2020-10-13 10:19:26,433 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 145.2 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 10:19:26,434 INFO L168 Benchmark]: CACSL2BoogieTranslator took 847.59 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 100.3 MB in the beginning and 159.9 MB in the end (delta: -59.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2020-10-13 10:19:26,436 INFO L168 Benchmark]: Boogie Preprocessor took 165.12 ms. Allocated memory is still 201.9 MB. Free memory was 159.9 MB in the beginning and 152.3 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. [2020-10-13 10:19:26,438 INFO L168 Benchmark]: RCFGBuilder took 1606.84 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 152.3 MB in the beginning and 146.1 MB in the end (delta: 6.1 MB). Peak memory consumption was 74.5 MB. Max. memory is 7.1 GB. [2020-10-13 10:19:26,439 INFO L168 Benchmark]: TraceAbstraction took 2808.17 ms. Allocated memory was 233.3 MB in the beginning and 251.7 MB in the end (delta: 18.4 MB). Free memory was 144.7 MB in the beginning and 82.8 MB in the end (delta: 61.9 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. [2020-10-13 10:19:26,451 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 145.2 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 847.59 ms. Allocated memory was 145.2 MB in the beginning and 201.9 MB in the end (delta: 56.6 MB). Free memory was 100.3 MB in the beginning and 159.9 MB in the end (delta: -59.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 165.12 ms. Allocated memory is still 201.9 MB. Free memory was 159.9 MB in the beginning and 152.3 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1606.84 ms. Allocated memory was 201.9 MB in the beginning and 233.3 MB in the end (delta: 31.5 MB). Free memory was 152.3 MB in the beginning and 146.1 MB in the end (delta: 6.1 MB). Peak memory consumption was 74.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2808.17 ms. Allocated memory was 233.3 MB in the beginning and 251.7 MB in the end (delta: 18.4 MB). Free memory was 144.7 MB in the beginning and 82.8 MB in the end (delta: 61.9 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 611]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 62, overapproximation of someUnaryDOUBLEoperation at line 498, overapproximation of bitwiseAnd at line 577, overapproximation of someBinaryArithmeticFLOAToperation at line 582. Possible FailurePath: [L16] static const float huge_floor = 1.0e30; [L84-L86] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L156] static const int init_jk_krempio[] = {4, 7, 9}; [L158-L162] 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, }; [L164-L166] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L341-L359] 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, }; [L361-L367] 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}; [L369-L378] 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; [L498-L501] 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; [L525-L528] 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; [L565] static const float one_cos = 1.0; [L606] float x = 0.0f / 0.0f; [L607] CALL, EXPR cos_float(x) [L568] float y[2], z = 0.0; [L569] __int32_t n, ix; [L572] ieee_float_shape_type gf_u; [L573] gf_u.value = (x) [L574] EXPR gf_u.word [L574] (ix) = gf_u.word [L577] ix &= 0x7fffffff [L578] COND FALSE !(ix <= 0x3f490fd8) [L581] COND TRUE !((ix) < 0x7f800000L) [L582] return x - x; [L582] return x - x; [L607] RET, EXPR cos_float(x) [L607] float res = cos_float(x); [L610] CALL, EXPR isnan_float(res) [L62] return x != x; [L610] RET, EXPR isnan_float(res) [L610] COND TRUE !isnan_float(res) [L611] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 273 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 359 SDtfs, 18 SDslu, 274 SDs, 0 SdLazy, 416 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=273occurred 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, 0.9s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 3591 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...