/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/double_req_bl_0320.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 15:30:23,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 15:30:23,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 15:30:23,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 15:30:23,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 15:30:23,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 15:30:23,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 15:30:23,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 15:30:23,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 15:30:23,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 15:30:23,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 15:30:23,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 15:30:23,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 15:30:23,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 15:30:23,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 15:30:23,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 15:30:23,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 15:30:23,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 15:30:23,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 15:30:23,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 15:30:23,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 15:30:23,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 15:30:23,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 15:30:23,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 15:30:23,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 15:30:23,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 15:30:23,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 15:30:23,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 15:30:23,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 15:30:23,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 15:30:23,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 15:30:23,114 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 15:30:23,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 15:30:23,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 15:30:23,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 15:30:23,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 15:30:23,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 15:30:23,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 15:30:23,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 15:30:23,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 15:30:23,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 15:30:23,122 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 15:30:23,168 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 15:30:23,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 15:30:23,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 15:30:23,171 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 15:30:23,171 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 15:30:23,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 15:30:23,171 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 15:30:23,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 15:30:23,172 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 15:30:23,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 15:30:23,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 15:30:23,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 15:30:23,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 15:30:23,174 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 15:30:23,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 15:30:23,174 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 15:30:23,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 15:30:23,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 15:30:23,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 15:30:23,175 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 15:30:23,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 15:30:23,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 15:30:23,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 15:30:23,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 15:30:23,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 15:30:23,176 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 15:30:23,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 15:30:23,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 15:30:23,177 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 15:30:23,177 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 15:30:23,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 15:30:23,491 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 15:30:23,495 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 15:30:23,498 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 15:30:23,499 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 15:30:23,500 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0320.c [2020-10-12 15:30:23,573 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/69992a2fb/395ad8b13a614e71a817cbfcaad41c39/FLAG7fd2addb1 [2020-10-12 15:30:24,096 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 15:30:24,097 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/double_req_bl_0320.c [2020-10-12 15:30:24,108 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/69992a2fb/395ad8b13a614e71a817cbfcaad41c39/FLAG7fd2addb1 [2020-10-12 15:30:24,413 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/69992a2fb/395ad8b13a614e71a817cbfcaad41c39 [2020-10-12 15:30:24,422 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 15:30:24,423 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 15:30:24,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 15:30:24,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 15:30:24,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 15:30:24,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 03:30:24" (1/1) ... [2020-10-12 15:30:24,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@493f7546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:30:24, skipping insertion in model container [2020-10-12 15:30:24,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 03:30:24" (1/1) ... [2020-10-12 15:30:24,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 15:30:24,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 15:30:24,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 15:30:24,978 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 15:30:25,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 15:30:25,152 INFO L208 MainTranslator]: Completed translation [2020-10-12 15:30:25,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:30:25 WrapperNode [2020-10-12 15:30:25,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 15:30:25,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 15:30:25,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 15:30:25,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 15:30:25,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:30:25" (1/1) ... [2020-10-12 15:30:25,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:30:25" (1/1) ... [2020-10-12 15:30:25,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:30:25" (1/1) ... [2020-10-12 15:30:25,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:30:25" (1/1) ... [2020-10-12 15:30:25,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:30:25" (1/1) ... [2020-10-12 15:30:25,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:30:25" (1/1) ... [2020-10-12 15:30:25,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:30:25" (1/1) ... [2020-10-12 15:30:25,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 15:30:25,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 15:30:25,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 15:30:25,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 15:30:25,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:30:25" (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 15:30:25,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 15:30:25,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 15:30:25,391 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2020-10-12 15:30:25,391 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2020-10-12 15:30:25,391 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2020-10-12 15:30:25,392 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2020-10-12 15:30:25,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2 [2020-10-12 15:30:25,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2 [2020-10-12 15:30:25,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2020-10-12 15:30:25,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2020-10-12 15:30:25,392 INFO L138 BoogieDeclarations]: Found implementation of procedure cos_double [2020-10-12 15:30:25,393 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 15:30:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 15:30:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-10-12 15:30:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2020-10-12 15:30:25,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 15:30:25,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-12 15:30:25,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 15:30:25,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 15:30:25,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 15:30:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-12 15:30:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2020-10-12 15:30:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2020-10-12 15:30:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2020-10-12 15:30:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2 [2020-10-12 15:30:25,395 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2 [2020-10-12 15:30:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2020-10-12 15:30:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2020-10-12 15:30:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure cos_double [2020-10-12 15:30:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 15:30:25,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 15:30:25,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 15:30:25,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-12 15:30:25,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 15:30:26,797 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 15:30:26,798 INFO L295 CfgBuilder]: Removed 63 assume(true) statements. [2020-10-12 15:30:26,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 03:30:26 BoogieIcfgContainer [2020-10-12 15:30:26,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 15:30:26,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 15:30:26,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 15:30:26,809 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 15:30:26,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 03:30:24" (1/3) ... [2020-10-12 15:30:26,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d6912b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 03:30:26, skipping insertion in model container [2020-10-12 15:30:26,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 03:30:25" (2/3) ... [2020-10-12 15:30:26,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d6912b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 03:30:26, skipping insertion in model container [2020-10-12 15:30:26,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 03:30:26" (3/3) ... [2020-10-12 15:30:26,813 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0320.c [2020-10-12 15:30:26,823 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 15:30:26,832 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 15:30:26,846 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 15:30:26,873 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 15:30:26,873 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 15:30:26,874 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 15:30:26,874 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 15:30:26,874 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 15:30:26,874 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 15:30:26,874 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 15:30:26,874 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 15:30:26,898 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states. [2020-10-12 15:30:26,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-12 15:30:26,905 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 15:30:26,907 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 15:30:26,907 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 15:30:26,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 15:30:26,913 INFO L82 PathProgramCache]: Analyzing trace with hash -799490884, now seen corresponding path program 1 times [2020-10-12 15:30:26,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 15:30:26,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2123007145] [2020-10-12 15:30:26,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 15:30:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:30:27,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:30:27,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:30:27,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 15:30:27,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:30:27,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 358 [2020-10-12 15:30:27,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:30:27,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:30:27,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 15:30:27,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:30:27,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 15:30:27,845 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-12 15:30:27,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 15:30:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:30:27,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:30:27,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:30:27,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 15:30:27,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:30:27,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-12 15:30:27,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:30:27,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:30:27,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 15:30:27,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:30:27,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 15:30:27,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 15:30:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 15:30:27,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 15:30:27,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 15:30:27,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 15:30:27,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 15:30:27,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 15:30:27,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 15:30:27,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 15:30:28,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 15:30:28,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 15:30:28,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 15:30:28,011 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 15:30:28,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2123007145] [2020-10-12 15:30:28,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 15:30:28,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-12 15:30:28,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801555244] [2020-10-12 15:30:28,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-12 15:30:28,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 15:30:28,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-12 15:30:28,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-12 15:30:28,043 INFO L87 Difference]: Start difference. First operand 282 states. Second operand 4 states. [2020-10-12 15:30:28,264 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-10-12 15:30:29,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 15:30:29,372 INFO L93 Difference]: Finished difference Result 558 states and 907 transitions. [2020-10-12 15:30:29,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-12 15:30:29,374 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-10-12 15:30:29,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 15:30:29,389 INFO L225 Difference]: With dead ends: 558 [2020-10-12 15:30:29,389 INFO L226 Difference]: Without dead ends: 277 [2020-10-12 15:30:29,397 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-12 15:30:29,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-10-12 15:30:29,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2020-10-12 15:30:29,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2020-10-12 15:30:29,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 379 transitions. [2020-10-12 15:30:29,475 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 379 transitions. Word has length 18 [2020-10-12 15:30:29,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 15:30:29,476 INFO L479 AbstractCegarLoop]: Abstraction has 277 states and 379 transitions. [2020-10-12 15:30:29,476 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-12 15:30:29,476 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 379 transitions. [2020-10-12 15:30:29,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-12 15:30:29,477 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 15:30:29,477 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 15:30:29,478 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 15:30:29,478 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 15:30:29,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 15:30:29,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1105467783, now seen corresponding path program 1 times [2020-10-12 15:30:29,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 15:30:29,479 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [651035287] [2020-10-12 15:30:29,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 15:30:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-12 15:30:29,535 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-12 15:30:29,535 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-12 15:30:29,540 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 15:30:29,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 03:30:29 BoogieIcfgContainer [2020-10-12 15:30:29,561 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 15:30:29,563 INFO L168 Benchmark]: Toolchain (without parser) took 5139.89 ms. Allocated memory was 140.0 MB in the beginning and 246.9 MB in the end (delta: 107.0 MB). Free memory was 102.3 MB in the beginning and 91.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 117.7 MB. Max. memory is 7.1 GB. [2020-10-12 15:30:29,564 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-12 15:30:29,566 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.02 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 102.0 MB in the beginning and 165.0 MB in the end (delta: -63.0 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-10-12 15:30:29,566 INFO L168 Benchmark]: Boogie Preprocessor took 162.32 ms. Allocated memory is still 203.4 MB. Free memory was 165.0 MB in the beginning and 157.6 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. [2020-10-12 15:30:29,567 INFO L168 Benchmark]: RCFGBuilder took 1487.02 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 157.6 MB in the beginning and 150.3 MB in the end (delta: 7.3 MB). Peak memory consumption was 75.4 MB. Max. memory is 7.1 GB. [2020-10-12 15:30:29,568 INFO L168 Benchmark]: TraceAbstraction took 2755.68 ms. Allocated memory was 237.0 MB in the beginning and 246.9 MB in the end (delta: 10.0 MB). Free memory was 150.3 MB in the beginning and 91.5 MB in the end (delta: 58.8 MB). Peak memory consumption was 68.8 MB. Max. memory is 7.1 GB. [2020-10-12 15:30:29,573 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 730.02 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 102.0 MB in the beginning and 165.0 MB in the end (delta: -63.0 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 162.32 ms. Allocated memory is still 203.4 MB. Free memory was 165.0 MB in the beginning and 157.6 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1487.02 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 157.6 MB in the beginning and 150.3 MB in the end (delta: 7.3 MB). Peak memory consumption was 75.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2755.68 ms. Allocated memory was 237.0 MB in the beginning and 246.9 MB in the end (delta: 10.0 MB). Free memory was 150.3 MB in the beginning and 91.5 MB in the end (delta: 58.8 MB). Peak memory consumption was 68.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 646]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 528, overapproximation of bitwiseAnd at line 609, overapproximation of someBinaryArithmeticDOUBLEoperation at line 614, overapproximation of someBinaryDOUBLEComparisonOperation at line 645. Possible FailurePath: [L21] static const double huge_floor = 1.0e300; [L107-L109] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L178] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L180-L185] 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, }; [L187-L189] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L362-L373] 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, }; [L375-L382] 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, }; [L384-L393] 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; [L526-L532] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L570-L576] static const double half_ksin = 5.00000000000000000000e-01, S1_ksin = -1.66666666666666324348e-01, S2_ksin = 8.33333333332248946124e-03, S3_ksin = -1.98412698298579493134e-04, S4_ksin = 2.75573137070700676789e-06, S5_ksin = -2.50507602534068634195e-08, S6_ksin = 1.58969099521155010221e-10; [L638] double x = __VERIFIER_nondet_double(); [L640] COND TRUE x == 0.0 || x == -0.0 [L642] CALL, EXPR cos_double(x) [L601] double y[2], z = 0.0; [L602] __int32_t n, ix; [L604] ieee_double_shape_type gh_u; [L605] gh_u.value = (x) [L606] EXPR gh_u.parts.msw [L606] (ix) = gh_u.parts.msw [L609] ix &= 0x7fffffff [L610] COND FALSE !(ix <= 0x3fe921fb) [L613] COND TRUE ix >= 0x7ff00000 [L614] return x - x; [L614] return x - x; [L642] RET, EXPR cos_double(x) [L642] double res = cos_double(x); [L645] COND TRUE res != 1.0 [L646] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 282 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 375 SDtfs, 22 SDslu, 288 SDs, 0 SdLazy, 436 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=282occurred 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, 0.8s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 2788 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...