/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=BIGGEST --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_0330b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 15:32:09,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 15:32:09,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 15:32:09,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 15:32:09,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 15:32:09,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 15:32:09,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 15:32:09,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 15:32:09,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 15:32:09,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 15:32:09,800 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 15:32:09,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 15:32:09,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 15:32:09,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 15:32:09,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 15:32:09,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 15:32:09,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 15:32:09,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 15:32:09,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 15:32:09,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 15:32:09,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 15:32:09,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 15:32:09,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 15:32:09,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 15:32:09,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 15:32:09,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 15:32:09,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 15:32:09,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 15:32:09,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 15:32:09,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 15:32:09,842 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 15:32:09,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 15:32:09,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 15:32:09,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 15:32:09,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 15:32:09,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 15:32:09,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 15:32:09,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 15:32:09,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 15:32:09,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 15:32:09,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 15:32:09,852 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 [2020-10-12 15:32:09,889 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 15:32:09,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 15:32:09,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 15:32:09,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 15:32:09,891 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 15:32:09,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 15:32:09,892 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 15:32:09,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 15:32:09,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 15:32:09,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 15:32:09,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 15:32:09,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 15:32:09,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 15:32:09,894 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 15:32:09,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 15:32:09,894 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 15:32:09,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 15:32:09,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 15:32:09,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 15:32:09,895 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 15:32:09,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 15:32:09,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 15:32:09,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 15:32:09,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 15:32:09,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 15:32:09,896 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 15:32:09,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 15:32:09,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 15:32:09,897 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 15:32:09,897 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 15:32:10,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 15:32:10,224 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 15:32:10,227 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 15:32:10,228 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 15:32:10,229 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 15:32:10,229 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0330b.c [2020-10-12 15:32:10,281 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bbd5a4a64/ca001e50cc6f48ee87a5efe87e1c9ac0/FLAGc3e0445f7 [2020-10-12 15:32:10,777 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 15:32:10,777 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/float_req_bl_0330b.c [2020-10-12 15:32:10,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bbd5a4a64/ca001e50cc6f48ee87a5efe87e1c9ac0/FLAGc3e0445f7 [2020-10-12 15:32:11,036 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bbd5a4a64/ca001e50cc6f48ee87a5efe87e1c9ac0 [2020-10-12 15:32:11,044 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 15:32:11,046 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 15:32:11,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 15:32:11,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 15:32:11,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 15:32:11,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 03:32:11" (1/1) ... [2020-10-12 15:32:11,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27002348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:32:11, skipping insertion in model container [2020-10-12 15:32:11,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 03:32:11" (1/1) ... [2020-10-12 15:32:11,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 15:32:11,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 15:32:11,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 15:32:11,660 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 15:32:11,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 15:32:11,795 INFO L208 MainTranslator]: Completed translation [2020-10-12 15:32:11,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:32:11 WrapperNode [2020-10-12 15:32:11,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 15:32:11,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 15:32:11,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 15:32:11,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 15:32:11,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:32:11" (1/1) ... [2020-10-12 15:32:11,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:32:11" (1/1) ... [2020-10-12 15:32:11,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:32:11" (1/1) ... [2020-10-12 15:32:11,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:32:11" (1/1) ... [2020-10-12 15:32:11,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:32:11" (1/1) ... [2020-10-12 15:32:11,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:32:11" (1/1) ... [2020-10-12 15:32:11,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:32:11" (1/1) ... [2020-10-12 15:32:11,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 15:32:11,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 15:32:11,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 15:32:11,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 15:32:11,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:32:11" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 15:32:12,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 15:32:12,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 15:32:12,065 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2020-10-12 15:32:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2020-10-12 15:32:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2020-10-12 15:32:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2020-10-12 15:32:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2020-10-12 15:32:12,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2f [2020-10-12 15:32:12,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2f [2020-10-12 15:32:12,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2020-10-12 15:32:12,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2020-10-12 15:32:12,069 INFO L138 BoogieDeclarations]: Found implementation of procedure cos_float [2020-10-12 15:32:12,070 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 15:32:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 15:32:12,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-10-12 15:32:12,071 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2020-10-12 15:32:12,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 15:32:12,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-12 15:32:12,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 15:32:12,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 15:32:12,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 15:32:12,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-12 15:32:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2020-10-12 15:32:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2020-10-12 15:32:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2020-10-12 15:32:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2020-10-12 15:32:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2f [2020-10-12 15:32:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2f [2020-10-12 15:32:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2020-10-12 15:32:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2020-10-12 15:32:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure cos_float [2020-10-12 15:32:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 15:32:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 15:32:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 15:32:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-12 15:32:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 15:32:13,410 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 15:32:13,410 INFO L295 CfgBuilder]: Removed 59 assume(true) statements. [2020-10-12 15:32:13,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 03:32:13 BoogieIcfgContainer [2020-10-12 15:32:13,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 15:32:13,417 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 15:32:13,417 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 15:32:13,420 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 15:32:13,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 03:32:11" (1/3) ... [2020-10-12 15:32:13,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@752ba41a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 03:32:13, skipping insertion in model container [2020-10-12 15:32:13,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:32:11" (2/3) ... [2020-10-12 15:32:13,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@752ba41a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 03:32:13, skipping insertion in model container [2020-10-12 15:32:13,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 03:32:13" (3/3) ... [2020-10-12 15:32:13,423 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0330b.c [2020-10-12 15:32:13,433 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 15:32:13,441 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 15:32:13,454 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 15:32:13,478 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 15:32:13,479 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 15:32:13,479 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 15:32:13,479 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 15:32:13,479 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 15:32:13,480 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 15:32:13,480 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 15:32:13,480 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 15:32:13,502 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states. [2020-10-12 15:32:13,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-12 15:32:13,509 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 15:32:13,510 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] [2020-10-12 15:32:13,511 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 15:32:13,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 15:32:13,517 INFO L82 PathProgramCache]: Analyzing trace with hash 527730741, now seen corresponding path program 1 times [2020-10-12 15:32:13,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 15:32:13,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1174143338] [2020-10-12 15:32:13,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 15:32:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:32:13,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:32:14,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:32:14,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 15:32:14,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:32:14,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 383 [2020-10-12 15:32:14,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:32:14,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:32:14,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 15:32:14,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:32:14,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 15:32:14,436 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-10-12 15:32:14,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 15:32:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:32:14,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:32:14,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:32:14,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 15:32:14,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:32:14,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-12 15:32:14,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:32:14,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:32:14,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:32:14,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:32:14,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:32:14,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 15:32:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:32:14,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:32:14,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:32:14,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 15:32:14,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:32:14,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 15:32:14,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:32:14,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:32:14,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 15:32:14,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:32:14,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:32:14,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 15:32:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:32:14,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:32:14,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:32:14,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 15:32:14,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:32:14,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 15:32:14,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:32:14,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:32:14,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 15:32:14,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:32:14,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 15:32:14,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 15:32:14,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1174143338] [2020-10-12 15:32:14,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 15:32:14,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-12 15:32:14,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264633267] [2020-10-12 15:32:14,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 15:32:14,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 15:32:14,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 15:32:14,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 15:32:14,589 INFO L87 Difference]: Start difference. First operand 273 states. Second operand 4 states. [2020-10-12 15:32:14,784 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-12 15:32:15,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 15:32:15,703 INFO L93 Difference]: Finished difference Result 538 states and 866 transitions. [2020-10-12 15:32:15,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 15:32:15,705 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-10-12 15:32:15,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 15:32:15,720 INFO L225 Difference]: With dead ends: 538 [2020-10-12 15:32:15,720 INFO L226 Difference]: Without dead ends: 269 [2020-10-12 15:32:15,727 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-12 15:32:15,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-10-12 15:32:15,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2020-10-12 15:32:15,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2020-10-12 15:32:15,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 365 transitions. [2020-10-12 15:32:15,802 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 365 transitions. Word has length 22 [2020-10-12 15:32:15,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 15:32:15,803 INFO L479 AbstractCegarLoop]: Abstraction has 269 states and 365 transitions. [2020-10-12 15:32:15,803 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 15:32:15,803 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 365 transitions. [2020-10-12 15:32:15,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-12 15:32:15,805 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 15:32:15,805 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] [2020-10-12 15:32:15,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 15:32:15,806 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 15:32:15,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 15:32:15,806 INFO L82 PathProgramCache]: Analyzing trace with hash -801296839, now seen corresponding path program 1 times [2020-10-12 15:32:15,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 15:32:15,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [989720447] [2020-10-12 15:32:15,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 15:32:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-12 15:32:15,882 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-12 15:32:15,882 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-12 15:32:15,887 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 15:32:15,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 03:32:15 BoogieIcfgContainer [2020-10-12 15:32:15,909 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 15:32:15,911 INFO L168 Benchmark]: Toolchain (without parser) took 4865.18 ms. Allocated memory was 147.8 MB in the beginning and 293.1 MB in the end (delta: 145.2 MB). Free memory was 101.4 MB in the beginning and 224.8 MB in the end (delta: -123.4 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2020-10-12 15:32:15,912 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 147.8 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-12 15:32:15,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 749.30 ms. Allocated memory was 147.8 MB in the beginning and 203.4 MB in the end (delta: 55.6 MB). Free memory was 101.2 MB in the beginning and 161.7 MB in the end (delta: -60.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2020-10-12 15:32:15,913 INFO L168 Benchmark]: Boogie Preprocessor took 190.98 ms. Allocated memory is still 203.4 MB. Free memory was 161.7 MB in the beginning and 153.9 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. [2020-10-12 15:32:15,914 INFO L168 Benchmark]: RCFGBuilder took 1427.84 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 153.9 MB in the beginning and 145.6 MB in the end (delta: 8.3 MB). Peak memory consumption was 70.3 MB. Max. memory is 7.1 GB. [2020-10-12 15:32:15,915 INFO L168 Benchmark]: TraceAbstraction took 2492.31 ms. Allocated memory was 237.0 MB in the beginning and 293.1 MB in the end (delta: 56.1 MB). Free memory was 144.2 MB in the beginning and 224.8 MB in the end (delta: -80.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-12 15:32:15,919 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 147.8 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 749.30 ms. Allocated memory was 147.8 MB in the beginning and 203.4 MB in the end (delta: 55.6 MB). Free memory was 101.2 MB in the beginning and 161.7 MB in the end (delta: -60.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 190.98 ms. Allocated memory is still 203.4 MB. Free memory was 161.7 MB in the beginning and 153.9 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1427.84 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 153.9 MB in the beginning and 145.6 MB in the end (delta: 8.3 MB). Peak memory consumption was 70.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2492.31 ms. Allocated memory was 237.0 MB in the beginning and 293.1 MB in the end (delta: 56.1 MB). Free memory was 144.2 MB in the beginning and 224.8 MB in the end (delta: -80.6 MB). There was no memory consumed. 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 = -1.0f / 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: 2.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 1.1s, 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, 0.3s 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, 0.7s 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...