/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/float-newlib/double_req_bl_0910a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 06:10:59,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 06:10:59,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 06:10:59,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 06:10:59,139 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 06:10:59,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 06:10:59,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 06:10:59,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 06:10:59,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 06:10:59,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 06:10:59,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 06:10:59,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 06:10:59,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 06:10:59,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 06:10:59,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 06:10:59,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 06:10:59,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 06:10:59,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 06:10:59,207 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 06:10:59,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 06:10:59,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 06:10:59,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 06:10:59,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 06:10:59,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 06:10:59,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 06:10:59,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 06:10:59,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 06:10:59,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 06:10:59,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 06:10:59,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 06:10:59,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 06:10:59,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 06:10:59,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 06:10:59,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 06:10:59,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 06:10:59,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 06:10:59,261 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 06:10:59,308 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 06:10:59,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 06:10:59,313 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 06:10:59,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 06:10:59,314 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 06:10:59,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 06:10:59,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 06:10:59,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 06:10:59,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 06:10:59,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 06:10:59,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 06:10:59,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 06:10:59,317 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 06:10:59,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 06:10:59,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 06:10:59,318 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 06:10:59,318 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 06:10:59,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 06:10:59,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 06:10:59,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 06:10:59,319 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 06:10:59,319 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 06:10:59,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 06:10:59,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 06:10:59,320 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 06:10:59,320 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-bitabs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 06:10:59,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 06:10:59,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 06:10:59,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 06:10:59,819 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 06:10:59,819 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 06:10:59,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0910a.c [2020-12-23 06:10:59,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ff053f587/2abb9810b98c43b4b98d51d4731b41cd/FLAGc8eec9229 [2020-12-23 06:11:00,567 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 06:11:00,568 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0910a.c [2020-12-23 06:11:00,578 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ff053f587/2abb9810b98c43b4b98d51d4731b41cd/FLAGc8eec9229 [2020-12-23 06:11:00,910 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ff053f587/2abb9810b98c43b4b98d51d4731b41cd [2020-12-23 06:11:00,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 06:11:00,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 06:11:00,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 06:11:00,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 06:11:00,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 06:11:00,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:11:00" (1/1) ... [2020-12-23 06:11:00,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56666ed2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:00, skipping insertion in model container [2020-12-23 06:11:00,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:11:00" (1/1) ... [2020-12-23 06:11:00,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 06:11:00,978 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: StructLHS[VariableLHS[~ew_u~0,],value] left hand side expression in assignment: lhs: VariableLHS[~hx~0,] left hand side expression in assignment: lhs: VariableLHS[~lx~0,] left hand side expression in assignment: lhs: VariableLHS[~hx~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~ew_u~1,],value] left hand side expression in assignment: lhs: VariableLHS[~hx~1,] left hand side expression in assignment: lhs: VariableLHS[~lx~1,] left hand side expression in assignment: lhs: VariableLHS[~k~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gh_u~0,],value] left hand side expression in assignment: lhs: VariableLHS[~hx~1,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: StructLHS[VariableLHS[~sh_u~0,],value] left hand side expression in assignment: lhs: StructLHS[StructLHS[VariableLHS[~sh_u~0,],parts],msw] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: VariableLHS[~f~0,] -----Light side constant value:false left hand side expression in assignment: lhs: VariableLHS[~dk~0,] left hand side expression in assignment: lhs: VariableLHS[~R~0,] left hand side expression in assignment: lhs: VariableLHS[~dk~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,] left hand side expression in assignment: lhs: VariableLHS[~dk~0,] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~w~0,] left hand side expression in assignment: lhs: VariableLHS[~j~0,] left hand side expression in assignment: lhs: VariableLHS[~t1~0,] left hand side expression in assignment: lhs: VariableLHS[~t2~0,] left hand side expression in assignment: lhs: VariableLHS[~R~0,] left hand side expression in assignment: lhs: VariableLHS[~hfsq~0,] [2020-12-23 06:11:01,186 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0910a.c[3598,3611] [2020-12-23 06:11:01,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 06:11:01,201 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#ew_u~0,],base],StructAccessExpression[IdentifierExpression[~#ew_u~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~hx~0,] left hand side expression in assignment: lhs: VariableLHS[~lx~0,] left hand side expression in assignment: lhs: VariableLHS[~hx~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#ew_u~1,],base],StructAccessExpression[IdentifierExpression[~#ew_u~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~hx~1,] left hand side expression in assignment: lhs: VariableLHS[~lx~1,] left hand side expression in assignment: lhs: VariableLHS[~k~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#gh_u~0,],base],StructAccessExpression[IdentifierExpression[~#gh_u~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~hx~1,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sh_u~0,],base],StructAccessExpression[IdentifierExpression[~#sh_u~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sh_u~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~#sh_u~0,],offset]]]] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: VariableLHS[~f~0,] -----Light side constant value:false left hand side expression in assignment: lhs: VariableLHS[~dk~0,] left hand side expression in assignment: lhs: VariableLHS[~R~0,] left hand side expression in assignment: lhs: VariableLHS[~dk~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,] left hand side expression in assignment: lhs: VariableLHS[~dk~0,] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~w~0,] left hand side expression in assignment: lhs: VariableLHS[~j~0,] left hand side expression in assignment: lhs: VariableLHS[~t1~0,] left hand side expression in assignment: lhs: VariableLHS[~t2~0,] left hand side expression in assignment: lhs: VariableLHS[~R~0,] left hand side expression in assignment: lhs: VariableLHS[~hfsq~0,] [2020-12-23 06:11:01,270 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0910a.c[3598,3611] [2020-12-23 06:11:01,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 06:11:01,304 INFO L208 MainTranslator]: Completed translation [2020-12-23 06:11:01,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:01 WrapperNode [2020-12-23 06:11:01,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 06:11:01,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 06:11:01,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 06:11:01,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 06:11:01,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:01" (1/1) ... [2020-12-23 06:11:01,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:01" (1/1) ... [2020-12-23 06:11:01,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 06:11:01,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 06:11:01,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 06:11:01,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 06:11:01,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:01" (1/1) ... [2020-12-23 06:11:01,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:01" (1/1) ... [2020-12-23 06:11:01,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:01" (1/1) ... [2020-12-23 06:11:01,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:01" (1/1) ... [2020-12-23 06:11:01,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:01" (1/1) ... [2020-12-23 06:11:01,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:01" (1/1) ... [2020-12-23 06:11:01,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:01" (1/1) ... [2020-12-23 06:11:01,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 06:11:01,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 06:11:01,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 06:11:01,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 06:11:01,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:01" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2020-12-23 06:11:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 06:11:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 06:11:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-23 06:11:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 06:11:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-23 06:11:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 06:11:01,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 06:11:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 06:11:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 06:11:02,941 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 06:11:02,942 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2020-12-23 06:11:02,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:11:02 BoogieIcfgContainer [2020-12-23 06:11:02,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 06:11:02,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 06:11:02,946 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 06:11:02,949 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 06:11:02,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 06:11:00" (1/3) ... [2020-12-23 06:11:02,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5e90d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:11:02, skipping insertion in model container [2020-12-23 06:11:02,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:01" (2/3) ... [2020-12-23 06:11:02,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5e90d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:11:02, skipping insertion in model container [2020-12-23 06:11:02,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:11:02" (3/3) ... [2020-12-23 06:11:02,953 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0910a.c [2020-12-23 06:11:02,960 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 06:11:02,965 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 06:11:02,986 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 06:11:03,016 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 06:11:03,016 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 06:11:03,016 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 06:11:03,016 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 06:11:03,016 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 06:11:03,016 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 06:11:03,017 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 06:11:03,017 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 06:11:03,033 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2020-12-23 06:11:03,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-23 06:11:03,039 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 06:11:03,040 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 06:11:03,041 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 06:11:03,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 06:11:03,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1519062570, now seen corresponding path program 1 times [2020-12-23 06:11:03,056 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 06:11:03,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377297094] [2020-12-23 06:11:03,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 06:11:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 06:11:03,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 06:11:03,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377297094] [2020-12-23 06:11:03,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 06:11:03,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 06:11:03,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324935751] [2020-12-23 06:11:03,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 06:11:03,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 06:11:03,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 06:11:03,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 06:11:03,307 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 2 states. [2020-12-23 06:11:03,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 06:11:03,338 INFO L93 Difference]: Finished difference Result 70 states and 116 transitions. [2020-12-23 06:11:03,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 06:11:03,339 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-12-23 06:11:03,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 06:11:03,367 INFO L225 Difference]: With dead ends: 70 [2020-12-23 06:11:03,367 INFO L226 Difference]: Without dead ends: 33 [2020-12-23 06:11:03,371 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 06:11:03,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-12-23 06:11:03,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-12-23 06:11:03,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-12-23 06:11:03,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-12-23 06:11:03,412 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 12 [2020-12-23 06:11:03,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 06:11:03,412 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-12-23 06:11:03,412 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 06:11:03,413 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-12-23 06:11:03,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-23 06:11:03,414 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 06:11:03,414 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 06:11:03,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 06:11:03,415 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 06:11:03,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 06:11:03,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1307828654, now seen corresponding path program 1 times [2020-12-23 06:11:03,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 06:11:03,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114957516] [2020-12-23 06:11:03,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 06:11:04,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 06:11:04,415 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 06:11:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 06:11:04,943 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 06:11:04,999 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 06:11:04,999 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 06:11:05,000 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 06:11:05,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 06:11:05 BoogieIcfgContainer [2020-12-23 06:11:05,086 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 06:11:05,088 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 06:11:05,089 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 06:11:05,089 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 06:11:05,090 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:11:02" (3/4) ... [2020-12-23 06:11:05,095 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-23 06:11:05,095 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 06:11:05,109 INFO L168 Benchmark]: Toolchain (without parser) took 4180.96 ms. Allocated memory was 164.6 MB in the beginning and 217.1 MB in the end (delta: 52.4 MB). Free memory was 139.4 MB in the beginning and 158.2 MB in the end (delta: -18.8 MB). Peak memory consumption was 34.3 MB. Max. memory is 8.0 GB. [2020-12-23 06:11:05,110 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 164.6 MB. Free memory is still 137.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 06:11:05,112 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.15 ms. Allocated memory is still 164.6 MB. Free memory was 139.3 MB in the beginning and 126.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-12-23 06:11:05,113 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.19 ms. Allocated memory is still 164.6 MB. Free memory was 126.3 MB in the beginning and 119.5 MB in the end (delta: 6.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2020-12-23 06:11:05,114 INFO L168 Benchmark]: Boogie Preprocessor took 139.59 ms. Allocated memory is still 164.6 MB. Free memory was 119.5 MB in the beginning and 114.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-23 06:11:05,116 INFO L168 Benchmark]: RCFGBuilder took 1303.10 ms. Allocated memory is still 164.6 MB. Free memory was 145.0 MB in the beginning and 136.8 MB in the end (delta: 8.3 MB). Peak memory consumption was 57.0 MB. Max. memory is 8.0 GB. [2020-12-23 06:11:05,117 INFO L168 Benchmark]: TraceAbstraction took 2140.50 ms. Allocated memory was 164.6 MB in the beginning and 217.1 MB in the end (delta: 52.4 MB). Free memory was 136.8 MB in the beginning and 158.7 MB in the end (delta: -22.0 MB). Peak memory consumption was 79.8 MB. Max. memory is 8.0 GB. [2020-12-23 06:11:05,121 INFO L168 Benchmark]: Witness Printer took 6.79 ms. Allocated memory is still 217.1 MB. Free memory was 158.7 MB in the beginning and 158.2 MB in the end (delta: 526.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 06:11:05,138 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 164.6 MB. Free memory is still 137.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 386.15 ms. Allocated memory is still 164.6 MB. Free memory was 139.3 MB in the beginning and 126.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 141.19 ms. Allocated memory is still 164.6 MB. Free memory was 126.3 MB in the beginning and 119.5 MB in the end (delta: 6.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 139.59 ms. Allocated memory is still 164.6 MB. Free memory was 119.5 MB in the beginning and 114.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1303.10 ms. Allocated memory is still 164.6 MB. Free memory was 145.0 MB in the beginning and 136.8 MB in the end (delta: 8.3 MB). Peak memory consumption was 57.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2140.50 ms. Allocated memory was 164.6 MB in the beginning and 217.1 MB in the end (delta: 52.4 MB). Free memory was 136.8 MB in the beginning and 158.7 MB in the end (delta: -22.0 MB). Peak memory consumption was 79.8 MB. Max. memory is 8.0 GB. * Witness Printer took 6.79 ms. Allocated memory is still 217.1 MB. Free memory was 158.7 MB in the beginning and 158.2 MB in the end (delta: 526.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 139]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 29, overapproximation of someBinaryArithmeticDOUBLEoperation at line 62, overapproximation of bitwiseAnd at line 28. Possible FailurePath: [L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L45] static const double zero = 0.0; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L134] double x = 0.0; [L48] double hfsq, f, s, z, R, w, t1, t2, dk; [L49] __int32_t k, hx, i, j; [L50] __uint32_t lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L53] ieee_double_shape_type ew_u; [L54] ew_u.value = (x) [L55] EXPR ew_u.parts.msw [L55] (hx) = ew_u.parts.msw [L56] EXPR ew_u.parts.lsw [L56] (lx) = ew_u.parts.lsw [L59] k = 0 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L60] COND TRUE hx < 0x00100000 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L61] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L62] return -two54_log / zero; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L135] double res = __ieee754_log(x); [L21] __int32_t hx, lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (hx) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (lx) = ew_u.parts.lsw [L28] hx &= 0x7fffffff [L29] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L30] hx = 0x7ff00000 - hx [L31] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L138] COND TRUE !isinf_double(res) [L139] reach_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 48 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred 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, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 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...