/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/float_req_bl_1211a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 16:07:03,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 16:07:03,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 16:07:03,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 16:07:03,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 16:07:03,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 16:07:03,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 16:07:03,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 16:07:03,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 16:07:03,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 16:07:03,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 16:07:03,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 16:07:03,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 16:07:03,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 16:07:03,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 16:07:03,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 16:07:03,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 16:07:03,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 16:07:03,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 16:07:03,831 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 16:07:03,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 16:07:03,835 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 16:07:03,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 16:07:03,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 16:07:03,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-06 16:07:03,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 16:07:03,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 16:07:03,870 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 16:07:03,871 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 16:07:03,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 16:07:03,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 16:07:03,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 16:07:03,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 16:07:03,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 16:07:03,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 16:07:03,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 16:07:03,878 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 16:07:03,907 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 16:07:03,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 16:07:03,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 16:07:03,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 16:07:03,909 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 16:07:03,910 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 16:07:03,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 16:07:03,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 16:07:03,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 16:07:03,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 16:07:03,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 16:07:03,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 16:07:03,911 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 16:07:03,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 16:07:03,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 16:07:03,912 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 16:07:03,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 16:07:03,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 16:07:03,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 16:07:03,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 16:07:03,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 16:07:03,913 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 16:07:03,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 16:07:03,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 16:07:03,914 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 16:07:03,914 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 16:07:04,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 16:07:04,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 16:07:04,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 16:07:04,324 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 16:07:04,325 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 16:07:04,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1211a.c [2021-01-06 16:07:04,427 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/39a723afe/b9ac40ca62f24d0ba9e0dae488b12863/FLAGb09e1df27 [2021-01-06 16:07:05,040 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 16:07:05,041 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1211a.c [2021-01-06 16:07:05,050 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/39a723afe/b9ac40ca62f24d0ba9e0dae488b12863/FLAGb09e1df27 [2021-01-06 16:07:05,414 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/39a723afe/b9ac40ca62f24d0ba9e0dae488b12863 [2021-01-06 16:07:05,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 16:07:05,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 16:07:05,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 16:07:05,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 16:07:05,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 16:07:05,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 04:07:05" (1/1) ... [2021-01-06 16:07:05,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10c3b9f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:07:05, skipping insertion in model container [2021-01-06 16:07:05,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 04:07:05" (1/1) ... [2021-01-06 16:07:05,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 16:07:05,481 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gf_u~0,],value] left hand side expression in assignment: lhs: VariableLHS[~i0~0,] left hand side expression in assignment: lhs: VariableLHS[~j0~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~sf_u~0,],word] left hand side expression in assignment: address: IdentifierExpression[~iptr,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: address: IdentifierExpression[~iptr,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gf_u~1,],value] left hand side expression in assignment: lhs: VariableLHS[~ix~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~sf_u~1,],word] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~sf_u~2,],word] left hand side expression in assignment: address: IdentifierExpression[~iptr,] left hand side expression in assignment: address: IdentifierExpression[~iptr,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gf_u~2,],value] left hand side expression in assignment: lhs: VariableLHS[~ix~1,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~sf_u~3,],word] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gf_u~3,],value] left hand side expression in assignment: lhs: VariableLHS[~w~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gf_u~4,],value] left hand side expression in assignment: lhs: VariableLHS[~ix~2,] [2021-01-06 16:07:05,730 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/float_req_bl_1211a.c[2576,2589] [2021-01-06 16:07:05,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 16:07:05,757 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#gf_u~0,],base],StructAccessExpression[IdentifierExpression[~#gf_u~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~i0~0,] left hand side expression in assignment: lhs: VariableLHS[~j0~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sf_u~0,],base],StructAccessExpression[IdentifierExpression[~#sf_u~0,],offset]]] left hand side expression in assignment: address: IdentifierExpression[~iptr,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: address: IdentifierExpression[~iptr,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#gf_u~1,],base],StructAccessExpression[IdentifierExpression[~#gf_u~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~ix~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sf_u~1,],base],StructAccessExpression[IdentifierExpression[~#sf_u~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sf_u~2,],base],StructAccessExpression[IdentifierExpression[~#sf_u~2,],offset]]] left hand side expression in assignment: address: IdentifierExpression[~iptr,] left hand side expression in assignment: address: IdentifierExpression[~iptr,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#gf_u~2,],base],StructAccessExpression[IdentifierExpression[~#gf_u~2,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~ix~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#sf_u~3,],base],StructAccessExpression[IdentifierExpression[~#sf_u~3,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#gf_u~3,],base],StructAccessExpression[IdentifierExpression[~#gf_u~3,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~w~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#gf_u~4,],base],StructAccessExpression[IdentifierExpression[~#gf_u~4,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~ix~2,] [2021-01-06 16:07:05,846 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/float_req_bl_1211a.c[2576,2589] [2021-01-06 16:07:05,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 16:07:05,871 INFO L208 MainTranslator]: Completed translation [2021-01-06 16:07:05,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:07:05 WrapperNode [2021-01-06 16:07:05,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 16:07:05,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 16:07:05,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 16:07:05,874 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 16:07:05,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:07:05" (1/1) ... [2021-01-06 16:07:05,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:07:05" (1/1) ... [2021-01-06 16:07:05,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 16:07:05,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 16:07:05,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 16:07:05,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 16:07:05,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:07:05" (1/1) ... [2021-01-06 16:07:05,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:07:05" (1/1) ... [2021-01-06 16:07:05,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:07:05" (1/1) ... [2021-01-06 16:07:05,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:07:05" (1/1) ... [2021-01-06 16:07:05,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:07:05" (1/1) ... [2021-01-06 16:07:06,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:07:05" (1/1) ... [2021-01-06 16:07:06,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:07:05" (1/1) ... [2021-01-06 16:07:06,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 16:07:06,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 16:07:06,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 16:07:06,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 16:07:06,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:07:05" (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 [2021-01-06 16:07:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 16:07:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 16:07:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-01-06 16:07:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-06 16:07:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-01-06 16:07:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 16:07:06,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 16:07:06,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-01-06 16:07:06,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-06 16:07:06,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-06 16:07:06,999 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 16:07:07,003 INFO L299 CfgBuilder]: Removed 28 assume(true) statements. [2021-01-06 16:07:07,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:07:07 BoogieIcfgContainer [2021-01-06 16:07:07,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 16:07:07,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 16:07:07,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 16:07:07,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 16:07:07,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 04:07:05" (1/3) ... [2021-01-06 16:07:07,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3638ea94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 04:07:07, skipping insertion in model container [2021-01-06 16:07:07,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:07:05" (2/3) ... [2021-01-06 16:07:07,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3638ea94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 04:07:07, skipping insertion in model container [2021-01-06 16:07:07,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:07:07" (3/3) ... [2021-01-06 16:07:07,024 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1211a.c [2021-01-06 16:07:07,031 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 16:07:07,037 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 16:07:07,057 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 16:07:07,087 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 16:07:07,087 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 16:07:07,087 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 16:07:07,087 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 16:07:07,088 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 16:07:07,088 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 16:07:07,088 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 16:07:07,088 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 16:07:07,103 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2021-01-06 16:07:07,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-01-06 16:07:07,110 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:07:07,111 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 16:07:07,112 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:07:07,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:07:07,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1888439402, now seen corresponding path program 1 times [2021-01-06 16:07:07,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:07:07,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668176466] [2021-01-06 16:07:07,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:07:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 16:07:07,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 16:07:07,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668176466] [2021-01-06 16:07:07,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 16:07:07,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 16:07:07,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840326900] [2021-01-06 16:07:07,315 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 16:07:07,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 16:07:07,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 16:07:07,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 16:07:07,335 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2021-01-06 16:07:07,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 16:07:07,360 INFO L93 Difference]: Finished difference Result 82 states and 128 transitions. [2021-01-06 16:07:07,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 16:07:07,362 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2021-01-06 16:07:07,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 16:07:07,374 INFO L225 Difference]: With dead ends: 82 [2021-01-06 16:07:07,374 INFO L226 Difference]: Without dead ends: 39 [2021-01-06 16:07:07,378 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 [2021-01-06 16:07:07,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-01-06 16:07:07,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-01-06 16:07:07,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-01-06 16:07:07,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2021-01-06 16:07:07,423 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 15 [2021-01-06 16:07:07,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 16:07:07,423 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2021-01-06 16:07:07,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 16:07:07,424 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2021-01-06 16:07:07,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-01-06 16:07:07,425 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:07:07,425 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 16:07:07,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 16:07:07,425 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:07:07,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:07:07,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1291452088, now seen corresponding path program 1 times [2021-01-06 16:07:07,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:07:07,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598192722] [2021-01-06 16:07:07,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:07:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 16:07:07,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 16:07:07,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598192722] [2021-01-06 16:07:07,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 16:07:07,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 16:07:07,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005628133] [2021-01-06 16:07:07,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 16:07:07,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 16:07:07,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 16:07:07,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 16:07:07,561 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 3 states. [2021-01-06 16:07:07,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 16:07:07,605 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2021-01-06 16:07:07,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 16:07:07,606 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2021-01-06 16:07:07,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 16:07:07,609 INFO L225 Difference]: With dead ends: 42 [2021-01-06 16:07:07,610 INFO L226 Difference]: Without dead ends: 39 [2021-01-06 16:07:07,612 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 16:07:07,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-01-06 16:07:07,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-01-06 16:07:07,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-01-06 16:07:07,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2021-01-06 16:07:07,626 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 18 [2021-01-06 16:07:07,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 16:07:07,626 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2021-01-06 16:07:07,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 16:07:07,627 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2021-01-06 16:07:07,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-01-06 16:07:07,630 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:07:07,630 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] [2021-01-06 16:07:07,631 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 16:07:07,631 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:07:07,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:07:07,634 INFO L82 PathProgramCache]: Analyzing trace with hash -182496670, now seen corresponding path program 1 times [2021-01-06 16:07:07,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:07:07,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999015891] [2021-01-06 16:07:07,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:07:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 16:07:07,812 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 16:07:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 16:07:07,907 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 16:07:07,964 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-06 16:07:07,964 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-06 16:07:07,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 16:07:08,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 04:07:08 BoogieIcfgContainer [2021-01-06 16:07:08,041 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 16:07:08,042 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 16:07:08,042 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 16:07:08,042 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 16:07:08,043 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:07:07" (3/4) ... [2021-01-06 16:07:08,047 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-01-06 16:07:08,047 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 16:07:08,050 INFO L168 Benchmark]: Toolchain (without parser) took 2625.66 ms. Allocated memory is still 151.0 MB. Free memory was 126.1 MB in the beginning and 79.3 MB in the end (delta: 46.8 MB). Peak memory consumption was 46.6 MB. Max. memory is 8.0 GB. [2021-01-06 16:07:08,051 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 124.5 MB in the end (delta: 84.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 16:07:08,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 444.69 ms. Allocated memory is still 151.0 MB. Free memory was 125.8 MB in the beginning and 114.4 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-01-06 16:07:08,053 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.02 ms. Allocated memory is still 151.0 MB. Free memory was 114.4 MB in the beginning and 112.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-01-06 16:07:08,054 INFO L168 Benchmark]: Boogie Preprocessor took 86.47 ms. Allocated memory is still 151.0 MB. Free memory was 112.3 MB in the beginning and 110.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 16:07:08,055 INFO L168 Benchmark]: RCFGBuilder took 980.64 ms. Allocated memory is still 151.0 MB. Free memory was 110.5 MB in the beginning and 117.0 MB in the end (delta: -6.5 MB). Peak memory consumption was 13.0 MB. Max. memory is 8.0 GB. [2021-01-06 16:07:08,056 INFO L168 Benchmark]: TraceAbstraction took 1028.40 ms. Allocated memory is still 151.0 MB. Free memory was 117.0 MB in the beginning and 79.8 MB in the end (delta: 37.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 8.0 GB. [2021-01-06 16:07:08,056 INFO L168 Benchmark]: Witness Printer took 5.47 ms. Allocated memory is still 151.0 MB. Free memory was 79.8 MB in the beginning and 79.3 MB in the end (delta: 517.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 16:07:08,061 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 124.5 MB in the end (delta: 84.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 444.69 ms. Allocated memory is still 151.0 MB. Free memory was 125.8 MB in the beginning and 114.4 MB in the end (delta: 11.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 65.02 ms. Allocated memory is still 151.0 MB. Free memory was 114.4 MB in the beginning and 112.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 86.47 ms. Allocated memory is still 151.0 MB. Free memory was 112.3 MB in the beginning and 110.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 980.64 ms. Allocated memory is still 151.0 MB. Free memory was 110.5 MB in the beginning and 117.0 MB in the end (delta: -6.5 MB). Peak memory consumption was 13.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1028.40 ms. Allocated memory is still 151.0 MB. Free memory was 117.0 MB in the beginning and 79.8 MB in the end (delta: 37.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 8.0 GB. * Witness Printer took 5.47 ms. Allocated memory is still 151.0 MB. Free memory was 79.8 MB in the beginning and 79.3 MB in the end (delta: 517.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 112]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 111, overapproximation of someBinaryArithmeticFLOAToperation at line 106, overapproximation of bitwiseAnd at line 95. Possible FailurePath: [L14] static const float one_modf = 1.0; VAL [one_modf=1] [L106] float x = 1.0f / 0.0f; [L107] float iptr = __VERIFIER_nondet_float(); [L17] __int32_t i0, j0; [L18] __uint32_t i; VAL [one_modf=1] [L20] ieee_float_shape_type gf_u; [L21] gf_u.value = (x) [L22] EXPR gf_u.word [L22] (i0) = gf_u.word [L24] j0 = ((i0 >> 23) & 0xff) - 0x7f VAL [one_modf=1] [L25] COND TRUE j0 < 23 VAL [one_modf=1] [L26] COND TRUE j0 < 0 VAL [one_modf=1] [L28] ieee_float_shape_type sf_u; [L29] sf_u.word = (i0 & 0x80000000) [L30] EXPR sf_u.value [L30] (*iptr) = sf_u.value [L32] return x; VAL [one_modf=1] [L108] float res = modf_float(x, &iptr); [L111] EXPR \read(iptr) [L89] __int32_t ix; VAL [one_modf=1] [L91] ieee_float_shape_type gf_u; [L92] gf_u.value = (x) [L93] EXPR gf_u.word [L93] (ix) = gf_u.word [L95] ix &= 0x7fffffff [L96] return ((ix) == 0x7f800000L); VAL [one_modf=1] [L111] isinf_float(iptr) && !(res == 0.0f && __signbit_float(res) == 0) [L111] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [one_modf=1] [L111] isinf_float(iptr) && !(res == 0.0f && __signbit_float(res) == 0) VAL [one_modf=1] [L111] COND TRUE isinf_float(iptr) && !(res == 0.0f && __signbit_float(res) == 0) [L112] reach_error() VAL [one_modf=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 89 SDtfs, 0 SDslu, 37 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...