/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_1210.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 06:11:34,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 06:11:34,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 06:11:34,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 06:11:34,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 06:11:34,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 06:11:34,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 06:11:34,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 06:11:34,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 06:11:34,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 06:11:34,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 06:11:34,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 06:11:34,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 06:11:34,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 06:11:34,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 06:11:34,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 06:11:34,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 06:11:34,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 06:11:34,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 06:11:34,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 06:11:34,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 06:11:34,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 06:11:34,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 06:11:34,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 06:11:34,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 06:11:34,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 06:11:34,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 06:11:34,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 06:11:34,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 06:11:34,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 06:11:34,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 06:11:34,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 06:11:34,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 06:11:34,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 06:11:34,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 06:11:34,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 06:11:34,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 06:11:34,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 06:11:34,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 06:11:34,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 06:11:34,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 06:11:34,490 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 06:11:34,518 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 06:11:34,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 06:11:34,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 06:11:34,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 06:11:34,521 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 06:11:34,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 06:11:34,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 06:11:34,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 06:11:34,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 06:11:34,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 06:11:34,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 06:11:34,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 06:11:34,523 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 06:11:34,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 06:11:34,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 06:11:34,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 06:11:34,524 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 06:11:34,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 06:11:34,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 06:11:34,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 06:11:34,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 06:11:34,526 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 06:11:34,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 06:11:34,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 06:11:34,526 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 06:11:34,527 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 06:11:34,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 06:11:35,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 06:11:35,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 06:11:35,007 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 06:11:35,008 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 06:11:35,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1210.c [2020-12-23 06:11:35,111 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cd151e9d9/faa656f337bb4fb1a2ddf55d2853ccd1/FLAG486b2f2e8 [2020-12-23 06:11:35,797 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 06:11:35,798 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1210.c [2020-12-23 06:11:35,808 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cd151e9d9/faa656f337bb4fb1a2ddf55d2853ccd1/FLAG486b2f2e8 [2020-12-23 06:11:36,127 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cd151e9d9/faa656f337bb4fb1a2ddf55d2853ccd1 [2020-12-23 06:11:36,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 06:11:36,133 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 06:11:36,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 06:11:36,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 06:11:36,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 06:11:36,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:11:36" (1/1) ... [2020-12-23 06:11:36,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f8a48d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:36, skipping insertion in model container [2020-12-23 06:11:36,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:11:36" (1/1) ... [2020-12-23 06:11:36,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 06:11:36,188 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[~i0~0,] left hand side expression in assignment: lhs: VariableLHS[~i1~0,] left hand side expression in assignment: lhs: VariableLHS[~j0~0,] 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: 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[~gh_u~0,],value] left hand side expression in assignment: lhs: VariableLHS[~high~0,] 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: address: IdentifierExpression[~iptr,] left hand side expression in assignment: address: IdentifierExpression[~iptr,] left hand side expression in assignment: lhs: StructLHS[VariableLHS[~gh_u~1,],value] left hand side expression in assignment: lhs: VariableLHS[~high~1,] left hand side expression in assignment: lhs: StructLHS[StructLHS[VariableLHS[~iw_u~3,],parts],msw] left hand side expression in assignment: lhs: StructLHS[StructLHS[VariableLHS[~iw_u~3,],parts],lsw] left hand side expression in assignment: lhs: VariableLHS[~x,] 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[~gh_u~2,],value] left hand side expression in assignment: lhs: VariableLHS[~high~2,] left hand side expression in assignment: lhs: StructLHS[StructLHS[VariableLHS[~iw_u~4,],parts],msw] left hand side expression in assignment: lhs: StructLHS[StructLHS[VariableLHS[~iw_u~4,],parts],lsw] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: lhs: StructLHS[StructLHS[VariableLHS[~iw_u~5,],parts],msw] left hand side expression in assignment: lhs: StructLHS[StructLHS[VariableLHS[~iw_u~5,],parts],lsw] left hand side expression in assignment: address: IdentifierExpression[~iptr,] [2020-12-23 06:11:36,383 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_1210.c[3091,3104] [2020-12-23 06:11:36,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 06:11:36,402 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[~i0~0,] left hand side expression in assignment: lhs: VariableLHS[~i1~0,] left hand side expression in assignment: lhs: VariableLHS[~j0~0,] 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: 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[~#gh_u~0,],base],StructAccessExpression[IdentifierExpression[~#gh_u~0,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~high~0,] 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: address: IdentifierExpression[~iptr,] left hand side expression in assignment: address: IdentifierExpression[~iptr,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#gh_u~1,],base],StructAccessExpression[IdentifierExpression[~#gh_u~1,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~high~1,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#iw_u~3,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~#iw_u~3,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#iw_u~3,],base],StructAccessExpression[IdentifierExpression[~#iw_u~3,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~x,] 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[~#gh_u~2,],base],StructAccessExpression[IdentifierExpression[~#gh_u~2,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~high~2,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#iw_u~4,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~#iw_u~4,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#iw_u~4,],base],StructAccessExpression[IdentifierExpression[~#iw_u~4,],offset]]] left hand side expression in assignment: lhs: VariableLHS[~x,] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#iw_u~5,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~#iw_u~5,],offset]]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#iw_u~5,],base],StructAccessExpression[IdentifierExpression[~#iw_u~5,],offset]]] left hand side expression in assignment: address: IdentifierExpression[~iptr,] [2020-12-23 06:11:36,443 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_1210.c[3091,3104] [2020-12-23 06:11:36,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 06:11:36,461 INFO L208 MainTranslator]: Completed translation [2020-12-23 06:11:36,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:36 WrapperNode [2020-12-23 06:11:36,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 06:11:36,464 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 06:11:36,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 06:11:36,464 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 06:11:36,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:36" (1/1) ... [2020-12-23 06:11:36,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:36" (1/1) ... [2020-12-23 06:11:36,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 06:11:36,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 06:11:36,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 06:11:36,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 06:11:36,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:36" (1/1) ... [2020-12-23 06:11:36,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:36" (1/1) ... [2020-12-23 06:11:36,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:36" (1/1) ... [2020-12-23 06:11:36,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:36" (1/1) ... [2020-12-23 06:11:36,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:36" (1/1) ... [2020-12-23 06:11:36,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:36" (1/1) ... [2020-12-23 06:11:36,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:36" (1/1) ... [2020-12-23 06:11:36,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 06:11:36,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 06:11:36,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 06:11:36,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 06:11:36,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:36" (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 06:11:36,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 06:11:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 06:11:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-23 06:11:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 06:11:36,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-23 06:11:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 06:11:36,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 06:11:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 06:11:36,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 06:11:37,379 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 06:11:37,380 INFO L299 CfgBuilder]: Removed 30 assume(true) statements. [2020-12-23 06:11:37,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:11:37 BoogieIcfgContainer [2020-12-23 06:11:37,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 06:11:37,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 06:11:37,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 06:11:37,388 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 06:11:37,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 06:11:36" (1/3) ... [2020-12-23 06:11:37,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6532a896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:11:37, skipping insertion in model container [2020-12-23 06:11:37,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:11:36" (2/3) ... [2020-12-23 06:11:37,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6532a896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:11:37, skipping insertion in model container [2020-12-23 06:11:37,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:11:37" (3/3) ... [2020-12-23 06:11:37,392 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1210.c [2020-12-23 06:11:37,399 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 06:11:37,406 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 06:11:37,430 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 06:11:37,459 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 06:11:37,459 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 06:11:37,459 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 06:11:37,459 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 06:11:37,459 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 06:11:37,459 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 06:11:37,460 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 06:11:37,460 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 06:11:37,477 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-12-23 06:11:37,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-23 06:11:37,485 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 06:11:37,486 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 06:11:37,487 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 06:11:37,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 06:11:37,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1560975081, now seen corresponding path program 1 times [2020-12-23 06:11:37,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 06:11:37,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155454214] [2020-12-23 06:11:37,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 06:11:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 06:11:37,708 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 06:11:37,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155454214] [2020-12-23 06:11:37,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 06:11:37,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 06:11:37,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481616033] [2020-12-23 06:11:37,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 06:11:37,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 06:11:37,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 06:11:37,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 06:11:37,743 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2020-12-23 06:11:37,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 06:11:37,787 INFO L93 Difference]: Finished difference Result 86 states and 138 transitions. [2020-12-23 06:11:37,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 06:11:37,789 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2020-12-23 06:11:37,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 06:11:37,805 INFO L225 Difference]: With dead ends: 86 [2020-12-23 06:11:37,806 INFO L226 Difference]: Without dead ends: 41 [2020-12-23 06:11:37,810 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 06:11:37,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-12-23 06:11:37,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-12-23 06:11:37,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-12-23 06:11:37,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2020-12-23 06:11:37,860 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 13 [2020-12-23 06:11:37,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 06:11:37,860 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2020-12-23 06:11:37,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 06:11:37,862 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2020-12-23 06:11:37,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-23 06:11:37,864 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 06:11:37,865 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 06:11:37,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 06:11:37,866 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 06:11:37,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 06:11:37,868 INFO L82 PathProgramCache]: Analyzing trace with hash -11965906, now seen corresponding path program 1 times [2020-12-23 06:11:37,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 06:11:37,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317923526] [2020-12-23 06:11:37,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 06:11:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 06:11:37,995 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 06:11:37,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317923526] [2020-12-23 06:11:37,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 06:11:37,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 06:11:37,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775130284] [2020-12-23 06:11:37,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 06:11:37,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 06:11:38,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 06:11:38,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 06:11:38,000 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand 3 states. [2020-12-23 06:11:38,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 06:11:38,024 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2020-12-23 06:11:38,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 06:11:38,025 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-12-23 06:11:38,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 06:11:38,026 INFO L225 Difference]: With dead ends: 44 [2020-12-23 06:11:38,026 INFO L226 Difference]: Without dead ends: 41 [2020-12-23 06:11:38,027 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 06:11:38,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-12-23 06:11:38,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-12-23 06:11:38,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-12-23 06:11:38,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2020-12-23 06:11:38,034 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 15 [2020-12-23 06:11:38,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 06:11:38,034 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2020-12-23 06:11:38,035 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 06:11:38,035 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2020-12-23 06:11:38,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-23 06:11:38,036 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 06:11:38,036 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 06:11:38,036 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 06:11:38,036 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 06:11:38,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 06:11:38,037 INFO L82 PathProgramCache]: Analyzing trace with hash -371067880, now seen corresponding path program 1 times [2020-12-23 06:11:38,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 06:11:38,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861188235] [2020-12-23 06:11:38,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 06:11:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 06:11:38,118 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 06:11:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 06:11:38,172 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 06:11:38,205 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 06:11:38,205 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 06:11:38,206 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 06:11:38,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 06:11:38 BoogieIcfgContainer [2020-12-23 06:11:38,270 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 06:11:38,271 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 06:11:38,271 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 06:11:38,272 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 06:11:38,272 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:11:37" (3/4) ... [2020-12-23 06:11:38,276 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-23 06:11:38,276 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 06:11:38,280 INFO L168 Benchmark]: Toolchain (without parser) took 2144.93 ms. Allocated memory is still 151.0 MB. Free memory was 125.9 MB in the beginning and 81.2 MB in the end (delta: 44.7 MB). Peak memory consumption was 44.9 MB. Max. memory is 8.0 GB. [2020-12-23 06:11:38,285 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory is still 125.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 06:11:38,286 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.53 ms. Allocated memory is still 151.0 MB. Free memory was 125.7 MB in the beginning and 113.8 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-12-23 06:11:38,287 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.78 ms. Allocated memory is still 151.0 MB. Free memory was 113.8 MB in the beginning and 111.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 06:11:38,289 INFO L168 Benchmark]: Boogie Preprocessor took 46.43 ms. Allocated memory is still 151.0 MB. Free memory was 111.5 MB in the beginning and 109.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 06:11:38,296 INFO L168 Benchmark]: RCFGBuilder took 808.87 ms. Allocated memory is still 151.0 MB. Free memory was 109.4 MB in the beginning and 116.3 MB in the end (delta: -6.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2020-12-23 06:11:38,297 INFO L168 Benchmark]: TraceAbstraction took 886.78 ms. Allocated memory is still 151.0 MB. Free memory was 116.3 MB in the beginning and 81.7 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 8.0 GB. [2020-12-23 06:11:38,300 INFO L168 Benchmark]: Witness Printer took 4.88 ms. Allocated memory is still 151.0 MB. Free memory is still 81.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 06:11:38,308 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory is still 125.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 326.53 ms. Allocated memory is still 151.0 MB. Free memory was 125.7 MB in the beginning and 113.8 MB in the end (delta: 11.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 61.78 ms. Allocated memory is still 151.0 MB. Free memory was 113.8 MB in the beginning and 111.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 46.43 ms. Allocated memory is still 151.0 MB. Free memory was 111.5 MB in the beginning and 109.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 808.87 ms. Allocated memory is still 151.0 MB. Free memory was 109.4 MB in the beginning and 116.3 MB in the end (delta: -6.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 886.78 ms. Allocated memory is still 151.0 MB. Free memory was 116.3 MB in the beginning and 81.7 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 8.0 GB. * Witness Printer took 4.88 ms. Allocated memory is still 151.0 MB. Free memory is still 81.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 124]: 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 17, overapproximation of someBinaryArithmeticDOUBLEoperation at line 118, overapproximation of bitwiseAnd at line 35. Possible FailurePath: [L19] static const double one_modf = 1.0; VAL [one_modf=1] [L118] double x = 0.0 / 0.0; [L119] double iptr; [L22] __int32_t i0, i1, j0; [L23] __uint32_t i; VAL [one_modf=1] [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (i0) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (i1) = ew_u.parts.lsw [L30] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [one_modf=1] [L31] COND TRUE j0 < 20 VAL [one_modf=1] [L32] COND TRUE j0 < 0 VAL [one_modf=1] [L34] ieee_double_shape_type iw_u; [L35] iw_u.parts.msw = (i0 & 0x80000000) [L36] iw_u.parts.lsw = (0) [L37] EXPR iw_u.value [L37] (*iptr) = iw_u.value [L39] return x; VAL [one_modf=1] [L120] double res = modf_double(x, &iptr); [L123] EXPR \read(iptr) [L17] return x != x; VAL [one_modf=1] [L123] isnan_double(iptr) && !isnan_double(res) [L17] return x != x; VAL [one_modf=1] [L123] isnan_double(iptr) && !isnan_double(res) VAL [one_modf=1] [L123] COND TRUE isnan_double(iptr) && !isnan_double(res) [L124] reach_error() VAL [one_modf=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 95 SDtfs, 0 SDslu, 40 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=44occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 354 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...