/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_1072c.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 06:11:23,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 06:11:23,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 06:11:23,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 06:11:23,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 06:11:23,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 06:11:23,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 06:11:23,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 06:11:23,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 06:11:23,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 06:11:23,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 06:11:23,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 06:11:23,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 06:11:23,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 06:11:23,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 06:11:23,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 06:11:23,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 06:11:23,896 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 06:11:23,899 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 06:11:23,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 06:11:23,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 06:11:23,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 06:11:23,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 06:11:23,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 06:11:23,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 06:11:23,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 06:11:23,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 06:11:23,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 06:11:23,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 06:11:23,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 06:11:23,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 06:11:23,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 06:11:23,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 06:11:23,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 06:11:23,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 06:11:23,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 06:11:23,956 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 06:11:24,004 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 06:11:24,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 06:11:24,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 06:11:24,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 06:11:24,007 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 06:11:24,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 06:11:24,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 06:11:24,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 06:11:24,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 06:11:24,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 06:11:24,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 06:11:24,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 06:11:24,008 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 06:11:24,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 06:11:24,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 06:11:24,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 06:11:24,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 06:11:24,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 06:11:24,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 06:11:24,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 06:11:24,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 06:11:24,010 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 06:11:24,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 06:11:24,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 06:11:24,011 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 06:11:24,011 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 06:11:24,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 06:11:24,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 06:11:24,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 06:11:24,537 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 06:11:24,538 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 06:11:24,539 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1072c.c [2020-12-23 06:11:24,620 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d4f2fa648/b5ab44cb74f74c7aa03ee99740f7f5bd/FLAG4e373a4b2 [2020-12-23 06:11:25,270 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 06:11:25,270 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1072c.c [2020-12-23 06:11:25,281 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d4f2fa648/b5ab44cb74f74c7aa03ee99740f7f5bd/FLAG4e373a4b2 [2020-12-23 06:11:25,633 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/d4f2fa648/b5ab44cb74f74c7aa03ee99740f7f5bd [2020-12-23 06:11:25,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 06:11:25,639 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 06:11:25,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 06:11:25,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 06:11:25,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 06:11:25,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:11:25" (1/1) ... [2020-12-23 06:11:25,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d6da0f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:25, skipping insertion in model container [2020-12-23 06:11:25,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:11:25" (1/1) ... [2020-12-23 06:11:25,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 06:11:25,699 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[~msw~0,] left hand side expression in assignment: lhs: VariableLHS[~lsw~0,] left hand side expression in assignment: lhs: VariableLHS[~signbit~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: VariableLHS[~exponent_less_1023~0,] left hand side expression in assignment: lhs: StructLHS[StructLHS[VariableLHS[~iw_u~0,],parts],msw] left hand side expression in assignment: lhs: StructLHS[StructLHS[VariableLHS[~iw_u~0,],parts],lsw] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: StructLHS[StructLHS[VariableLHS[~iw_u~1,],parts],msw] left hand side expression in assignment: lhs: StructLHS[StructLHS[VariableLHS[~iw_u~1,],parts],lsw] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: StructLHS[StructLHS[VariableLHS[~iw_u~2,],parts],msw] left hand side expression in assignment: lhs: StructLHS[StructLHS[VariableLHS[~iw_u~2,],parts],lsw] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gh_u~0,],value] left hand side expression in assignment: lhs: VariableLHS[~msw~1,] [2020-12-23 06:11:26,013 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_1072c.c[2112,2125] [2020-12-23 06:11:26,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 06:11:26,033 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[~msw~0,] left hand side expression in assignment: lhs: VariableLHS[~lsw~0,] left hand side expression in assignment: lhs: VariableLHS[~signbit~0,] ----Is the binary operator a bitwise operator? true left hand side expression in assignment: lhs: VariableLHS[~exponent_less_1023~0,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#iw_u~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~#iw_u~0,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#iw_u~0,],base],StructAccessExpression[IdentifierExpression[~#iw_u~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#iw_u~1,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~#iw_u~1,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#iw_u~1,],base],StructAccessExpression[IdentifierExpression[~#iw_u~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#iw_u~2,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~#iw_u~2,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#iw_u~2,],base],StructAccessExpression[IdentifierExpression[~#iw_u~2,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~x,] 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[~msw~1,] [2020-12-23 06:11:26,079 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_1072c.c[2112,2125] [2020-12-23 06:11:26,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 06:11:26,101 INFO L208 MainTranslator]: Completed translation [2020-12-23 06:11:26,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:26 WrapperNode [2020-12-23 06:11:26,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 06:11:26,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 06:11:26,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 06:11:26,104 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 06:11:26,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:26" (1/1) ... [2020-12-23 06:11:26,125 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:26" (1/1) ... [2020-12-23 06:11:26,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 06:11:26,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 06:11:26,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 06:11:26,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 06:11:26,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:26" (1/1) ... [2020-12-23 06:11:26,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:26" (1/1) ... [2020-12-23 06:11:26,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:26" (1/1) ... [2020-12-23 06:11:26,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:26" (1/1) ... [2020-12-23 06:11:26,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:26" (1/1) ... [2020-12-23 06:11:26,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:26" (1/1) ... [2020-12-23 06:11:26,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:26" (1/1) ... [2020-12-23 06:11:26,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 06:11:26,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 06:11:26,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 06:11:26,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 06:11:26,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:26" (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 06:11:26,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 06:11:26,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 06:11:26,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-23 06:11:26,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 06:11:26,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-23 06:11:26,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 06:11:26,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 06:11:26,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 06:11:26,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 06:11:26,876 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 06:11:26,877 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2020-12-23 06:11:26,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:11:26 BoogieIcfgContainer [2020-12-23 06:11:26,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 06:11:26,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 06:11:26,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 06:11:26,888 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 06:11:26,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 06:11:25" (1/3) ... [2020-12-23 06:11:26,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f93fe6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:11:26, skipping insertion in model container [2020-12-23 06:11:26,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:26" (2/3) ... [2020-12-23 06:11:26,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f93fe6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:11:26, skipping insertion in model container [2020-12-23 06:11:26,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:11:26" (3/3) ... [2020-12-23 06:11:26,893 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072c.c [2020-12-23 06:11:26,900 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 06:11:26,910 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 06:11:26,932 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 06:11:26,975 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 06:11:26,975 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 06:11:26,975 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 06:11:26,976 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 06:11:26,976 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 06:11:26,976 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 06:11:26,976 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 06:11:26,976 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 06:11:26,995 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2020-12-23 06:11:27,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-23 06:11:27,001 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 06:11:27,002 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 06:11:27,003 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 06:11:27,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 06:11:27,009 INFO L82 PathProgramCache]: Analyzing trace with hash -333530559, now seen corresponding path program 1 times [2020-12-23 06:11:27,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 06:11:27,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526224762] [2020-12-23 06:11:27,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 06:11:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 06:11:27,191 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 06:11:27,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526224762] [2020-12-23 06:11:27,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 06:11:27,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 06:11:27,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427566756] [2020-12-23 06:11:27,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 06:11:27,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 06:11:27,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 06:11:27,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 06:11:27,221 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 2 states. [2020-12-23 06:11:27,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 06:11:27,245 INFO L93 Difference]: Finished difference Result 62 states and 100 transitions. [2020-12-23 06:11:27,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 06:11:27,247 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-12-23 06:11:27,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 06:11:27,259 INFO L225 Difference]: With dead ends: 62 [2020-12-23 06:11:27,260 INFO L226 Difference]: Without dead ends: 29 [2020-12-23 06:11:27,263 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 06:11:27,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-12-23 06:11:27,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-12-23 06:11:27,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-23 06:11:27,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2020-12-23 06:11:27,308 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 35 transitions. Word has length 12 [2020-12-23 06:11:27,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 06:11:27,309 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 35 transitions. [2020-12-23 06:11:27,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 06:11:27,309 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2020-12-23 06:11:27,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-23 06:11:27,310 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 06:11:27,310 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 06:11:27,311 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 06:11:27,311 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 06:11:27,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 06:11:27,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1704148932, now seen corresponding path program 1 times [2020-12-23 06:11:27,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 06:11:27,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307678522] [2020-12-23 06:11:27,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 06:11:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 06:11:27,484 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 06:11:27,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307678522] [2020-12-23 06:11:27,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 06:11:27,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 06:11:27,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004796899] [2020-12-23 06:11:27,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 06:11:27,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 06:11:27,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 06:11:27,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 06:11:27,494 INFO L87 Difference]: Start difference. First operand 29 states and 35 transitions. Second operand 4 states. [2020-12-23 06:11:27,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 06:11:27,614 INFO L93 Difference]: Finished difference Result 60 states and 70 transitions. [2020-12-23 06:11:27,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 06:11:27,615 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-12-23 06:11:27,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 06:11:27,618 INFO L225 Difference]: With dead ends: 60 [2020-12-23 06:11:27,618 INFO L226 Difference]: Without dead ends: 44 [2020-12-23 06:11:27,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 06:11:27,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-12-23 06:11:27,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 32. [2020-12-23 06:11:27,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-12-23 06:11:27,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2020-12-23 06:11:27,632 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 13 [2020-12-23 06:11:27,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 06:11:27,633 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2020-12-23 06:11:27,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 06:11:27,633 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2020-12-23 06:11:27,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-23 06:11:27,636 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 06:11:27,636 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 06:11:27,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 06:11:27,636 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 06:11:27,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 06:11:27,638 INFO L82 PathProgramCache]: Analyzing trace with hash 1143899953, now seen corresponding path program 1 times [2020-12-23 06:11:27,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 06:11:27,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970549396] [2020-12-23 06:11:27,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 06:11:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 06:11:27,710 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 06:11:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 06:11:27,743 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 06:11:27,775 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 06:11:27,775 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 06:11:27,776 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 06:11:27,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 06:11:27 BoogieIcfgContainer [2020-12-23 06:11:27,815 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 06:11:27,816 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 06:11:27,816 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 06:11:27,817 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 06:11:27,817 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:11:26" (3/4) ... [2020-12-23 06:11:27,821 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-23 06:11:27,822 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 06:11:27,824 INFO L168 Benchmark]: Toolchain (without parser) took 2184.40 ms. Allocated memory is still 154.1 MB. Free memory was 129.4 MB in the beginning and 88.7 MB in the end (delta: 40.7 MB). Peak memory consumption was 41.9 MB. Max. memory is 8.0 GB. [2020-12-23 06:11:27,825 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 154.1 MB. Free memory is still 126.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 06:11:27,826 INFO L168 Benchmark]: CACSL2BoogieTranslator took 459.82 ms. Allocated memory is still 154.1 MB. Free memory was 129.2 MB in the beginning and 118.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-12-23 06:11:27,827 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.97 ms. Allocated memory is still 154.1 MB. Free memory was 118.3 MB in the beginning and 116.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 06:11:27,828 INFO L168 Benchmark]: Boogie Preprocessor took 87.51 ms. Allocated memory is still 154.1 MB. Free memory was 115.8 MB in the beginning and 113.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 06:11:27,829 INFO L168 Benchmark]: RCFGBuilder took 632.76 ms. Allocated memory is still 154.1 MB. Free memory was 113.9 MB in the beginning and 124.3 MB in the end (delta: -10.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2020-12-23 06:11:27,830 INFO L168 Benchmark]: TraceAbstraction took 931.15 ms. Allocated memory is still 154.1 MB. Free memory was 124.3 MB in the beginning and 88.7 MB in the end (delta: 35.6 MB). Peak memory consumption was 35.7 MB. Max. memory is 8.0 GB. [2020-12-23 06:11:27,831 INFO L168 Benchmark]: Witness Printer took 5.59 ms. Allocated memory is still 154.1 MB. Free memory is still 88.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 06:11:27,835 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 154.1 MB. Free memory is still 126.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 459.82 ms. Allocated memory is still 154.1 MB. Free memory was 129.2 MB in the beginning and 118.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 55.97 ms. Allocated memory is still 154.1 MB. Free memory was 118.3 MB in the beginning and 116.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 87.51 ms. Allocated memory is still 154.1 MB. Free memory was 115.8 MB in the beginning and 113.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 632.76 ms. Allocated memory is still 154.1 MB. Free memory was 113.9 MB in the beginning and 124.3 MB in the end (delta: -10.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 931.15 ms. Allocated memory is still 154.1 MB. Free memory was 124.3 MB in the beginning and 88.7 MB in the end (delta: 35.6 MB). Peak memory consumption was 35.7 MB. Max. memory is 8.0 GB. * Witness Printer took 5.59 ms. Allocated memory is still 154.1 MB. Free memory is still 88.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 88]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 87, overapproximation of someUnaryDOUBLEoperation at line 83, overapproximation of bitwiseAnd at line 31. Possible FailurePath: [L83] double x = -0.0; [L20] int signbit; [L21] int msw; [L22] unsigned int lsw; [L23] int exponent_less_1023; [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (msw) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (lsw) = ew_u.parts.lsw [L30] signbit = msw & 0x80000000 [L31] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 [L32] COND TRUE exponent_less_1023 < 20 [L33] COND TRUE exponent_less_1023 < 0 [L35] ieee_double_shape_type iw_u; [L36] iw_u.parts.msw = (signbit) [L37] iw_u.parts.lsw = (0) [L38] EXPR iw_u.value [L38] (x) = iw_u.value [L61] return x; [L84] double res = trunc_double(x); [L87] EXPR res == -0.0 && __signbit_double(res) == 1 [L87] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L88] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 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: 70 SDtfs, 29 SDslu, 51 SDs, 0 SdLazy, 21 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred 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, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 433 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...