/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=SHALLOWEST --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 language data_model -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0320.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 01:00:53,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 01:00:53,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 01:00:53,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 01:00:53,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 01:00:53,220 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 01:00:53,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 01:00:53,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 01:00:53,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 01:00:53,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 01:00:53,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 01:00:53,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 01:00:53,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 01:00:53,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 01:00:53,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 01:00:53,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 01:00:53,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 01:00:53,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 01:00:53,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 01:00:53,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 01:00:53,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 01:00:53,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 01:00:53,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 01:00:53,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 01:00:53,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 01:00:53,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 01:00:53,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 01:00:53,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 01:00:53,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 01:00:53,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 01:00:53,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 01:00:53,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 01:00:53,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 01:00:53,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 01:00:53,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 01:00:53,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 01:00:53,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 01:00:53,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 01:00:53,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 01:00:53,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 01:00:53,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 01:00:53,274 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 [2020-10-27 01:00:53,318 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 01:00:53,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 01:00:53,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 01:00:53,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 01:00:53,324 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 01:00:53,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 01:00:53,324 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 01:00:53,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 01:00:53,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 01:00:53,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 01:00:53,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 01:00:53,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 01:00:53,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 01:00:53,326 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 01:00:53,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 01:00:53,327 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 01:00:53,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 01:00:53,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 01:00:53,327 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 01:00:53,328 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 01:00:53,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 01:00:53,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 01:00:53,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 01:00:53,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 01:00:53,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 01:00:53,329 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 01:00:53,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 01:00:53,329 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 01:00:53,329 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 01:00:53,330 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 01:00:53,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 01:00:53,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 01:00:53,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 01:00:53,810 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 01:00:53,810 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 01:00:53,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0320.c [2020-10-27 01:00:53,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20cfca720/1f8fb9c5ec564de7a326b570101524da/FLAG8832f1aa7 [2020-10-27 01:00:54,652 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 01:00:54,652 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-newlib/double_req_bl_0320.c [2020-10-27 01:00:54,678 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20cfca720/1f8fb9c5ec564de7a326b570101524da/FLAG8832f1aa7 [2020-10-27 01:00:54,892 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/20cfca720/1f8fb9c5ec564de7a326b570101524da [2020-10-27 01:00:54,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 01:00:54,902 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 01:00:54,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 01:00:54,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 01:00:54,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 01:00:54,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:00:54" (1/1) ... [2020-10-27 01:00:54,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7836141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:00:54, skipping insertion in model container [2020-10-27 01:00:54,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:00:54" (1/1) ... [2020-10-27 01:00:54,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 01:00:54,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 01:00:55,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 01:00:55,366 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 01:00:55,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 01:00:55,574 INFO L208 MainTranslator]: Completed translation [2020-10-27 01:00:55,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:00:55 WrapperNode [2020-10-27 01:00:55,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 01:00:55,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 01:00:55,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 01:00:55,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 01:00:55,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:00:55" (1/1) ... [2020-10-27 01:00:55,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:00:55" (1/1) ... [2020-10-27 01:00:55,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:00:55" (1/1) ... [2020-10-27 01:00:55,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:00:55" (1/1) ... [2020-10-27 01:00:55,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:00:55" (1/1) ... [2020-10-27 01:00:55,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:00:55" (1/1) ... [2020-10-27 01:00:55,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:00:55" (1/1) ... [2020-10-27 01:00:55,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 01:00:55,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 01:00:55,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 01:00:55,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 01:00:55,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:00:55" (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 [2020-10-27 01:00:55,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 01:00:55,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 01:00:55,818 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 01:00:55,819 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_double [2020-10-27 01:00:55,819 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2020-10-27 01:00:55,820 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2020-10-27 01:00:55,820 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2020-10-27 01:00:55,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2 [2020-10-27 01:00:55,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2 [2020-10-27 01:00:55,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2020-10-27 01:00:55,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2020-10-27 01:00:55,822 INFO L138 BoogieDeclarations]: Found implementation of procedure cos_double [2020-10-27 01:00:55,822 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 01:00:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 01:00:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 01:00:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 01:00:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 01:00:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-10-27 01:00:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure floor_double [2020-10-27 01:00:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-27 01:00:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 01:00:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 01:00:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 01:00:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-27 01:00:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2020-10-27 01:00:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2020-10-27 01:00:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2020-10-27 01:00:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2 [2020-10-27 01:00:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2 [2020-10-27 01:00:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2020-10-27 01:00:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2020-10-27 01:00:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure cos_double [2020-10-27 01:00:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 01:00:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 01:00:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 01:00:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-27 01:00:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 01:00:57,429 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 01:00:57,429 INFO L298 CfgBuilder]: Removed 63 assume(true) statements. [2020-10-27 01:00:57,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:00:57 BoogieIcfgContainer [2020-10-27 01:00:57,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 01:00:57,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 01:00:57,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 01:00:57,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 01:00:57,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 01:00:54" (1/3) ... [2020-10-27 01:00:57,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c29b386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:00:57, skipping insertion in model container [2020-10-27 01:00:57,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:00:55" (2/3) ... [2020-10-27 01:00:57,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c29b386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:00:57, skipping insertion in model container [2020-10-27 01:00:57,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:00:57" (3/3) ... [2020-10-27 01:00:57,441 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0320.c [2020-10-27 01:00:57,453 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 01:00:57,459 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 01:00:57,473 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 01:00:57,504 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 01:00:57,504 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 01:00:57,504 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 01:00:57,505 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 01:00:57,505 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 01:00:57,505 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 01:00:57,505 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 01:00:57,505 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 01:00:57,531 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states. [2020-10-27 01:00:57,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-27 01:00:57,538 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:00:57,539 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:00:57,540 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:00:57,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:00:57,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1679313061, now seen corresponding path program 1 times [2020-10-27 01:00:57,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:00:57,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [419397286] [2020-10-27 01:00:57,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:00:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:00:57,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:00:58,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:00:58,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 01:00:58,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:00:58,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 340 [2020-10-27 01:00:58,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:00:58,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:00:58,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 01:00:58,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:00:58,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 01:00:58,560 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-10-27 01:00:58,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:00:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:00:58,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:00:58,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:00:58,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:00:58,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:00:58,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-27 01:00:58,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:00:58,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:00:58,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:00:58,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:00:58,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:00:58,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 01:00:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:00:58,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:00:58,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:00:58,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 01:00:58,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:00:58,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 01:00:58,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:00:58,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:00:58,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 01:00:58,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:00:58,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:00:58,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 01:00:58,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [419397286] [2020-10-27 01:00:58,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:00:58,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 01:00:58,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730581093] [2020-10-27 01:00:58,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 01:00:58,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:00:58,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 01:00:58,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 01:00:58,781 INFO L87 Difference]: Start difference. First operand 286 states. Second operand 4 states. [2020-10-27 01:00:59,065 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-27 01:01:00,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:01:00,277 INFO L93 Difference]: Finished difference Result 563 states and 913 transitions. [2020-10-27 01:01:00,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-27 01:01:00,280 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-10-27 01:01:00,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:01:00,295 INFO L225 Difference]: With dead ends: 563 [2020-10-27 01:01:00,295 INFO L226 Difference]: Without dead ends: 278 [2020-10-27 01:01:00,304 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 01:01:00,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-10-27 01:01:00,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2020-10-27 01:01:00,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-10-27 01:01:00,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 380 transitions. [2020-10-27 01:01:00,396 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 380 transitions. Word has length 19 [2020-10-27 01:01:00,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:01:00,399 INFO L481 AbstractCegarLoop]: Abstraction has 278 states and 380 transitions. [2020-10-27 01:01:00,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 01:01:00,400 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 380 transitions. [2020-10-27 01:01:00,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-27 01:01:00,401 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:01:00,401 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] [2020-10-27 01:01:00,402 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 01:01:00,402 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:01:00,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:01:00,404 INFO L82 PathProgramCache]: Analyzing trace with hash -60172013, now seen corresponding path program 1 times [2020-10-27 01:01:00,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:01:00,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [641823911] [2020-10-27 01:01:00,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:01:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 01:01:00,513 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 01:01:00,514 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 01:01:00,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 01:01:00,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 01:01:00 BoogieIcfgContainer [2020-10-27 01:01:00,547 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 01:01:00,552 INFO L168 Benchmark]: Toolchain (without parser) took 5651.42 ms. Allocated memory was 151.0 MB in the beginning and 194.0 MB in the end (delta: 43.0 MB). Free memory was 125.4 MB in the beginning and 131.9 MB in the end (delta: -6.5 MB). Peak memory consumption was 37.5 MB. Max. memory is 8.0 GB. [2020-10-27 01:01:00,553 INFO L168 Benchmark]: CDTParser took 0.71 ms. Allocated memory is still 151.0 MB. Free memory is still 125.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 01:01:00,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.81 ms. Allocated memory is still 151.0 MB. Free memory was 124.7 MB in the beginning and 98.2 MB in the end (delta: 26.5 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-27 01:01:00,556 INFO L168 Benchmark]: Boogie Preprocessor took 158.00 ms. Allocated memory is still 151.0 MB. Free memory was 98.2 MB in the beginning and 91.5 MB in the end (delta: 6.7 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-10-27 01:01:00,557 INFO L168 Benchmark]: RCFGBuilder took 1697.14 ms. Allocated memory was 151.0 MB in the beginning and 194.0 MB in the end (delta: 43.0 MB). Free memory was 91.5 MB in the beginning and 150.7 MB in the end (delta: -59.2 MB). Peak memory consumption was 44.4 MB. Max. memory is 8.0 GB. [2020-10-27 01:01:00,558 INFO L168 Benchmark]: TraceAbstraction took 3113.58 ms. Allocated memory is still 194.0 MB. Free memory was 150.2 MB in the beginning and 131.9 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 8.0 GB. [2020-10-27 01:01:00,568 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71 ms. Allocated memory is still 151.0 MB. Free memory is still 125.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 670.81 ms. Allocated memory is still 151.0 MB. Free memory was 124.7 MB in the beginning and 98.2 MB in the end (delta: 26.5 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 158.00 ms. Allocated memory is still 151.0 MB. Free memory was 98.2 MB in the beginning and 91.5 MB in the end (delta: 6.7 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1697.14 ms. Allocated memory was 151.0 MB in the beginning and 194.0 MB in the end (delta: 43.0 MB). Free memory was 91.5 MB in the beginning and 150.7 MB in the end (delta: -59.2 MB). Peak memory consumption was 44.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3113.58 ms. Allocated memory is still 194.0 MB. Free memory was 150.2 MB in the beginning and 131.9 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 530, overapproximation of bitwiseAnd at line 611, overapproximation of someBinaryArithmeticDOUBLEoperation at line 616, overapproximation of someBinaryDOUBLEComparisonOperation at line 647. Possible FailurePath: [L23] static const double huge_floor = 1.0e300; [L109-L111] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L180] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L182-L187] 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, }; [L189-L191] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L364-L375] 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, }; [L377-L384] 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, }; [L386-L395] 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; [L528-L534] 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; [L572-L578] 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; [L640] double x = __VERIFIER_nondet_double(); [L642] COND TRUE x == 0.0 || x == -0.0 [L644] CALL, EXPR cos_double(x) [L603] double y[2], z = 0.0; [L604] __int32_t n, ix; [L606] ieee_double_shape_type gh_u; [L607] gh_u.value = (x) [L608] EXPR gh_u.parts.msw [L608] (ix) = gh_u.parts.msw [L611] ix &= 0x7fffffff [L612] COND FALSE !(ix <= 0x3fe921fb) [L615] COND TRUE ix >= 0x7ff00000 [L616] return x - x; [L616] return x - x; [L644] RET, EXPR cos_double(x) [L644] double res = cos_double(x); [L647] COND TRUE res != 1.0 [L648] CALL reach_error() [L3] __assert_fail("0", "double_req_bl_0320.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 286 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.0s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 376 SDtfs, 24 SDslu, 287 SDs, 0 SdLazy, 435 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=286occurred 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, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 3294 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...