/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_0730a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 06:12:12,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 06:12:12,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 06:12:12,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 06:12:12,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 06:12:12,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 06:12:12,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 06:12:12,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 06:12:12,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 06:12:12,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 06:12:12,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 06:12:12,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 06:12:12,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 06:12:12,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 06:12:12,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 06:12:12,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 06:12:12,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 06:12:12,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 06:12:12,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 06:12:12,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 06:12:12,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 06:12:12,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 06:12:12,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 06:12:12,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 06:12:12,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 06:12:12,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 06:12:12,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 06:12:12,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 06:12:12,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 06:12:12,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 06:12:12,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 06:12:12,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 06:12:12,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 06:12:12,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 06:12:12,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 06:12:12,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 06:12:12,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 06:12:12,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 06:12:12,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 06:12:12,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 06:12:12,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 06:12:12,953 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 06:12:13,005 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 06:12:13,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 06:12:13,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 06:12:13,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 06:12:13,011 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 06:12:13,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 06:12:13,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 06:12:13,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 06:12:13,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 06:12:13,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 06:12:13,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 06:12:13,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 06:12:13,014 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 06:12:13,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 06:12:13,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 06:12:13,014 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 06:12:13,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 06:12:13,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 06:12:13,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 06:12:13,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 06:12:13,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 06:12:13,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 06:12:13,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 06:12:13,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 06:12:13,016 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 06:12:13,017 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 06:12:13,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 06:12:13,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 06:12:13,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 06:12:13,520 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 06:12:13,521 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 06:12:13,522 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0730a.c [2020-12-23 06:12:13,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/59b860fef/9d78ba21e07a4a4d90e1470f0ba340bc/FLAGc7459af48 [2020-12-23 06:12:14,246 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 06:12:14,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0730a.c [2020-12-23 06:12:14,256 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/59b860fef/9d78ba21e07a4a4d90e1470f0ba340bc/FLAGc7459af48 [2020-12-23 06:12:14,609 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/59b860fef/9d78ba21e07a4a4d90e1470f0ba340bc [2020-12-23 06:12:14,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 06:12:14,617 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 06:12:14,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 06:12:14,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 06:12:14,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 06:12:14,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:12:14" (1/1) ... [2020-12-23 06:12:14,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1692f625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:12:14, skipping insertion in model container [2020-12-23 06:12:14,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:12:14" (1/1) ... [2020-12-23 06:12:14,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 06:12:14,673 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[~ix~0,] left hand side expression in assignment: lhs: VariableLHS[~hx~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: VariableLHS[~m~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~ix~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: VariableLHS[~s~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] left hand side expression in assignment: lhs: VariableLHS[~t~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: lhs: VariableLHS[~ix~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~sf_u~0,],word] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gf_u~1,],value] left hand side expression in assignment: lhs: VariableLHS[~ix~1,] [2020-12-23 06:12:15,018 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_0730a.c[2102,2115] [2020-12-23 06:12:15,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 06:12:15,039 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[~ix~0,] left hand side expression in assignment: lhs: VariableLHS[~hx~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: VariableLHS[~m~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~ix~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: VariableLHS[~s~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] left hand side expression in assignment: lhs: VariableLHS[~t~0,] left hand side expression in assignment: lhs: VariableLHS[~s~0,] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: lhs: VariableLHS[~z~0,] left hand side expression in assignment: lhs: VariableLHS[~ix~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: lhs: VariableLHS[~z~0,] 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~1,] [2020-12-23 06:12:15,083 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_0730a.c[2102,2115] [2020-12-23 06:12:15,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 06:12:15,103 INFO L208 MainTranslator]: Completed translation [2020-12-23 06:12:15,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:12:15 WrapperNode [2020-12-23 06:12:15,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 06:12:15,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 06:12:15,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 06:12:15,106 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 06:12:15,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:12:15" (1/1) ... [2020-12-23 06:12:15,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:12:15" (1/1) ... [2020-12-23 06:12:15,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 06:12:15,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 06:12:15,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 06:12:15,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 06:12:15,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:12:15" (1/1) ... [2020-12-23 06:12:15,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:12:15" (1/1) ... [2020-12-23 06:12:15,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:12:15" (1/1) ... [2020-12-23 06:12:15,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:12:15" (1/1) ... [2020-12-23 06:12:15,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:12:15" (1/1) ... [2020-12-23 06:12:15,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:12:15" (1/1) ... [2020-12-23 06:12:15,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:12:15" (1/1) ... [2020-12-23 06:12:15,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 06:12:15,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 06:12:15,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 06:12:15,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 06:12:15,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:12:15" (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 06:12:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 06:12:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 06:12:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-23 06:12:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 06:12:15,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-23 06:12:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 06:12:15,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 06:12:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 06:12:15,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 06:12:16,002 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 06:12:16,002 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2020-12-23 06:12:16,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:12:16 BoogieIcfgContainer [2020-12-23 06:12:16,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 06:12:16,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 06:12:16,010 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 06:12:16,014 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 06:12:16,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 06:12:14" (1/3) ... [2020-12-23 06:12:16,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b4692e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:12:16, skipping insertion in model container [2020-12-23 06:12:16,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:12:15" (2/3) ... [2020-12-23 06:12:16,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b4692e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:12:16, skipping insertion in model container [2020-12-23 06:12:16,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:12:16" (3/3) ... [2020-12-23 06:12:16,022 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0730a.c [2020-12-23 06:12:16,030 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 06:12:16,035 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 06:12:16,056 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 06:12:16,084 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 06:12:16,084 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 06:12:16,084 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 06:12:16,085 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 06:12:16,085 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 06:12:16,085 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 06:12:16,085 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 06:12:16,085 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 06:12:16,102 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2020-12-23 06:12:16,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-23 06:12:16,108 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 06:12:16,109 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 06:12:16,109 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 06:12:16,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 06:12:16,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1149636621, now seen corresponding path program 1 times [2020-12-23 06:12:16,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 06:12:16,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501861388] [2020-12-23 06:12:16,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 06:12:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 06:12:16,374 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 06:12:16,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501861388] [2020-12-23 06:12:16,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 06:12:16,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 06:12:16,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242034228] [2020-12-23 06:12:16,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 06:12:16,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 06:12:16,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 06:12:16,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 06:12:16,404 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 2 states. [2020-12-23 06:12:16,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 06:12:16,430 INFO L93 Difference]: Finished difference Result 84 states and 138 transitions. [2020-12-23 06:12:16,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 06:12:16,432 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-23 06:12:16,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 06:12:16,444 INFO L225 Difference]: With dead ends: 84 [2020-12-23 06:12:16,444 INFO L226 Difference]: Without dead ends: 40 [2020-12-23 06:12:16,449 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 06:12:16,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-12-23 06:12:16,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-12-23 06:12:16,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-12-23 06:12:16,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 53 transitions. [2020-12-23 06:12:16,493 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 53 transitions. Word has length 11 [2020-12-23 06:12:16,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 06:12:16,494 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 53 transitions. [2020-12-23 06:12:16,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 06:12:16,494 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2020-12-23 06:12:16,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-23 06:12:16,495 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 06:12:16,496 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 06:12:16,496 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 06:12:16,496 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 06:12:16,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 06:12:16,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1183374909, now seen corresponding path program 1 times [2020-12-23 06:12:16,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 06:12:16,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285119013] [2020-12-23 06:12:16,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 06:12:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 06:12:16,659 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 06:12:16,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285119013] [2020-12-23 06:12:16,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 06:12:16,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 06:12:16,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644182253] [2020-12-23 06:12:16,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 06:12:16,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 06:12:16,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 06:12:16,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 06:12:16,665 INFO L87 Difference]: Start difference. First operand 40 states and 53 transitions. Second operand 3 states. [2020-12-23 06:12:16,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 06:12:16,741 INFO L93 Difference]: Finished difference Result 80 states and 103 transitions. [2020-12-23 06:12:16,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 06:12:16,742 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-12-23 06:12:16,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 06:12:16,745 INFO L225 Difference]: With dead ends: 80 [2020-12-23 06:12:16,745 INFO L226 Difference]: Without dead ends: 50 [2020-12-23 06:12:16,747 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 [2020-12-23 06:12:16,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-12-23 06:12:16,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 42. [2020-12-23 06:12:16,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-12-23 06:12:16,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 55 transitions. [2020-12-23 06:12:16,767 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 55 transitions. Word has length 13 [2020-12-23 06:12:16,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 06:12:16,769 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 55 transitions. [2020-12-23 06:12:16,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 06:12:16,769 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2020-12-23 06:12:16,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-23 06:12:16,771 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 06:12:16,771 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 06:12:16,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 06:12:16,772 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 06:12:16,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 06:12:16,774 INFO L82 PathProgramCache]: Analyzing trace with hash -2006834894, now seen corresponding path program 1 times [2020-12-23 06:12:16,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 06:12:16,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054987684] [2020-12-23 06:12:16,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 06:12:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 06:12:16,873 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 06:12:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 06:12:16,924 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 06:12:16,956 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 06:12:16,957 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 06:12:16,957 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 06:12:16,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 06:12:16 BoogieIcfgContainer [2020-12-23 06:12:16,995 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 06:12:16,995 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 06:12:16,996 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 06:12:16,996 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 06:12:16,996 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:12:16" (3/4) ... [2020-12-23 06:12:17,000 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-23 06:12:17,000 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 06:12:17,003 INFO L168 Benchmark]: Toolchain (without parser) took 2385.08 ms. Allocated memory is still 156.2 MB. Free memory was 131.2 MB in the beginning and 112.4 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 8.0 GB. [2020-12-23 06:12:17,004 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 156.2 MB. Free memory is still 129.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 06:12:17,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.90 ms. Allocated memory is still 156.2 MB. Free memory was 131.0 MB in the beginning and 119.7 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-12-23 06:12:17,006 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.13 ms. Allocated memory is still 156.2 MB. Free memory was 119.7 MB in the beginning and 117.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 06:12:17,006 INFO L168 Benchmark]: Boogie Preprocessor took 56.47 ms. Allocated memory is still 156.2 MB. Free memory was 117.6 MB in the beginning and 116.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 06:12:17,007 INFO L168 Benchmark]: RCFGBuilder took 787.23 ms. Allocated memory is still 156.2 MB. Free memory was 116.0 MB in the beginning and 93.5 MB in the end (delta: 22.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2020-12-23 06:12:17,008 INFO L168 Benchmark]: TraceAbstraction took 985.58 ms. Allocated memory is still 156.2 MB. Free memory was 92.9 MB in the beginning and 112.4 MB in the end (delta: -19.5 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 06:12:17,009 INFO L168 Benchmark]: Witness Printer took 5.03 ms. Allocated memory is still 156.2 MB. Free memory is still 112.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 06:12:17,020 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 156.2 MB. Free memory is still 129.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 484.90 ms. Allocated memory is still 156.2 MB. Free memory was 131.0 MB in the beginning and 119.7 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 56.13 ms. Allocated memory is still 156.2 MB. Free memory was 119.7 MB in the beginning and 117.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 56.47 ms. Allocated memory is still 156.2 MB. Free memory was 117.6 MB in the beginning and 116.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 787.23 ms. Allocated memory is still 156.2 MB. Free memory was 116.0 MB in the beginning and 93.5 MB in the end (delta: 22.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 985.58 ms. Allocated memory is still 156.2 MB. Free memory was 92.9 MB in the beginning and 112.4 MB in the end (delta: -19.5 MB). There was no memory consumed. Max. memory is 8.0 GB. * Witness Printer took 5.03 ms. Allocated memory is still 156.2 MB. Free memory is still 112.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 109]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 103, overapproximation of bitwiseAnd at line 91. Possible FailurePath: [L14] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L103] float x = 1.0f / 0.0f; [L17] float z; [L18] __uint32_t r, hx; [L19] __int32_t ix, s, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L22] ieee_float_shape_type gf_u; [L23] gf_u.value = (x) [L24] EXPR gf_u.word [L24] (ix) = gf_u.word [L26] hx = ix & 0x7fffffff VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L28] COND FALSE !(!((hx) < 0x7f800000L)) VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L31] COND TRUE ((hx) == 0) [L32] return x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L105] float res = __ieee754_sqrtf(x); [L85] __int32_t ix; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L87] ieee_float_shape_type gf_u; [L88] gf_u.value = (x) [L89] EXPR gf_u.word [L89] (ix) = gf_u.word [L91] ix &= 0x7fffffff [L92] return ((ix) == 0x7f800000L); VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L108] COND TRUE !isinf_float(res) [L109] reach_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 43 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: 107 SDtfs, 9 SDslu, 43 SDs, 0 SdLazy, 11 SolverSat, 1 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=43occurred 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, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 268 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...