/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-benchs/cast_float_ptr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 16:00:45,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 16:00:45,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 16:00:45,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 16:00:45,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 16:00:45,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 16:00:45,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 16:00:45,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 16:00:45,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 16:00:45,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 16:00:45,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 16:00:45,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 16:00:45,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 16:00:45,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 16:00:45,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 16:00:45,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 16:00:45,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 16:00:45,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 16:00:45,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 16:00:45,338 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 16:00:45,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 16:00:45,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 16:00:45,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 16:00:45,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 16:00:45,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-06 16:00:45,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 16:00:45,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 16:00:45,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 16:00:45,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 16:00:45,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 16:00:45,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 16:00:45,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 16:00:45,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 16:00:45,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 16:00:45,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 16:00:45,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 16:00:45,400 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 16:00:45,454 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 16:00:45,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 16:00:45,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 16:00:45,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 16:00:45,460 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 16:00:45,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 16:00:45,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 16:00:45,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 16:00:45,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 16:00:45,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 16:00:45,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 16:00:45,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 16:00:45,463 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 16:00:45,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 16:00:45,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 16:00:45,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 16:00:45,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 16:00:45,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 16:00:45,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 16:00:45,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 16:00:45,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 16:00:45,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 16:00:45,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 16:00:45,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 16:00:45,466 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 16:00:45,466 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 16:00:45,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 16:00:45,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 16:00:45,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 16:00:45,940 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 16:00:45,940 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 16:00:45,941 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-01-06 16:00:46,022 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a3aaf398b/f1fcd8702a47473785d6eafd9ba71e35/FLAG7f0100dab [2021-01-06 16:00:46,623 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 16:00:46,624 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2021-01-06 16:00:46,631 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a3aaf398b/f1fcd8702a47473785d6eafd9ba71e35/FLAG7f0100dab [2021-01-06 16:00:46,987 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a3aaf398b/f1fcd8702a47473785d6eafd9ba71e35 [2021-01-06 16:00:46,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 16:00:46,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 16:00:46,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 16:00:46,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 16:00:47,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 16:00:47,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 04:00:46" (1/1) ... [2021-01-06 16:00:47,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aee627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:00:47, skipping insertion in model container [2021-01-06 16:00:47,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 04:00:46" (1/1) ... [2021-01-06 16:00:47,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 16:00:47,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-06 16:00:47,190 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-benchs/cast_float_ptr.c[362,375] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dmax~0,],base],StructAccessExpression[IdentifierExpression[~dmax~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~dmax~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~dmax~0,],offset]]]] left hand side expression in assignment: address: IdentifierExpression[~f~0,] left hand side expression in assignment: address: IdentifierExpression[~f~0,] left hand side expression in assignment: lhs: VariableLHS[~f~0,] left hand side expression in assignment: lhs: VariableLHS[~a~0,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] [2021-01-06 16:00:47,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 16:00:47,226 INFO L203 MainTranslator]: Completed pre-run [2021-01-06 16:00:47,242 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-benchs/cast_float_ptr.c[362,375] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#dmax~0,],base],StructAccessExpression[IdentifierExpression[~#dmax~0,],offset]]] left hand side expression in assignment: address: StructConstructor[[base,offset],[StructAccessExpression[IdentifierExpression[~#dmax~0,],base],BinaryExpression[ARITHPLUS,IntegerLiteral[4],StructAccessExpression[IdentifierExpression[~#dmax~0,],offset]]]] left hand side expression in assignment: address: IdentifierExpression[~#f~0,] left hand side expression in assignment: address: IdentifierExpression[~#f~0,] left hand side expression in assignment: address: IdentifierExpression[~#f~0,] left hand side expression in assignment: lhs: VariableLHS[~a~0,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] [2021-01-06 16:00:47,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 16:00:47,271 INFO L208 MainTranslator]: Completed translation [2021-01-06 16:00:47,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:00:47 WrapperNode [2021-01-06 16:00:47,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 16:00:47,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 16:00:47,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 16:00:47,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 16:00:47,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:00:47" (1/1) ... [2021-01-06 16:00:47,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:00:47" (1/1) ... [2021-01-06 16:00:47,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 16:00:47,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 16:00:47,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 16:00:47,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 16:00:47,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:00:47" (1/1) ... [2021-01-06 16:00:47,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:00:47" (1/1) ... [2021-01-06 16:00:47,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:00:47" (1/1) ... [2021-01-06 16:00:47,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:00:47" (1/1) ... [2021-01-06 16:00:47,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:00:47" (1/1) ... [2021-01-06 16:00:47,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:00:47" (1/1) ... [2021-01-06 16:00:47,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:00:47" (1/1) ... [2021-01-06 16:00:47,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 16:00:47,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 16:00:47,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 16:00:47,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 16:00:47,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:00:47" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 16:00:47,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 16:00:47,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 16:00:47,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-01-06 16:00:47,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-06 16:00:47,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-01-06 16:00:47,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 16:00:47,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 16:00:47,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-06 16:00:47,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-06 16:00:47,981 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 16:00:47,981 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-01-06 16:00:47,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:00:47 BoogieIcfgContainer [2021-01-06 16:00:47,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 16:00:47,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 16:00:47,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 16:00:47,990 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 16:00:47,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 04:00:46" (1/3) ... [2021-01-06 16:00:47,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5add9373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 04:00:47, skipping insertion in model container [2021-01-06 16:00:47,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 04:00:47" (2/3) ... [2021-01-06 16:00:47,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5add9373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 04:00:47, skipping insertion in model container [2021-01-06 16:00:47,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:00:47" (3/3) ... [2021-01-06 16:00:47,994 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2021-01-06 16:00:48,002 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 16:00:48,008 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 16:00:48,029 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 16:00:48,060 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 16:00:48,061 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 16:00:48,061 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 16:00:48,061 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 16:00:48,061 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 16:00:48,061 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 16:00:48,062 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 16:00:48,062 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 16:00:48,080 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2021-01-06 16:00:48,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-01-06 16:00:48,089 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 16:00:48,090 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 16:00:48,090 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 16:00:48,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 16:00:48,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2021-01-06 16:00:48,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 16:00:48,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235638331] [2021-01-06 16:00:48,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 16:00:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 16:00:48,350 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 16:00:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 16:00:48,404 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 16:00:48,456 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-06 16:00:48,459 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-06 16:00:48,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 16:00:48,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 04:00:48 BoogieIcfgContainer [2021-01-06 16:00:48,493 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 16:00:48,494 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 16:00:48,494 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 16:00:48,494 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 16:00:48,495 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 04:00:47" (3/4) ... [2021-01-06 16:00:48,499 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-01-06 16:00:48,499 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 16:00:48,502 INFO L168 Benchmark]: Toolchain (without parser) took 1508.81 ms. Allocated memory is still 151.0 MB. Free memory was 126.1 MB in the beginning and 114.9 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-01-06 16:00:48,503 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 124.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 16:00:48,504 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.39 ms. Allocated memory is still 151.0 MB. Free memory was 126.0 MB in the beginning and 116.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-01-06 16:00:48,505 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.86 ms. Allocated memory is still 151.0 MB. Free memory was 116.0 MB in the beginning and 114.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 16:00:48,507 INFO L168 Benchmark]: Boogie Preprocessor took 56.42 ms. Allocated memory is still 151.0 MB. Free memory was 114.3 MB in the beginning and 113.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-01-06 16:00:48,508 INFO L168 Benchmark]: RCFGBuilder took 603.66 ms. Allocated memory is still 151.0 MB. Free memory was 113.1 MB in the beginning and 130.6 MB in the end (delta: -17.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-01-06 16:00:48,509 INFO L168 Benchmark]: TraceAbstraction took 507.34 ms. Allocated memory is still 151.0 MB. Free memory was 130.1 MB in the beginning and 115.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-01-06 16:00:48,510 INFO L168 Benchmark]: Witness Printer took 5.57 ms. Allocated memory is still 151.0 MB. Free memory was 115.4 MB in the beginning and 114.9 MB in the end (delta: 522.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 16:00:48,516 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 124.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 275.39 ms. Allocated memory is still 151.0 MB. Free memory was 126.0 MB in the beginning and 116.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 48.86 ms. Allocated memory is still 151.0 MB. Free memory was 116.0 MB in the beginning and 114.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 56.42 ms. Allocated memory is still 151.0 MB. Free memory was 114.3 MB in the beginning and 113.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 603.66 ms. Allocated memory is still 151.0 MB. Free memory was 113.1 MB in the beginning and 130.6 MB in the end (delta: -17.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 507.34 ms. Allocated memory is still 151.0 MB. Free memory was 130.1 MB in the beginning and 115.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Witness Printer took 5.57 ms. Allocated memory is still 151.0 MB. Free memory was 115.4 MB in the beginning and 114.9 MB in the end (delta: 522.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 5]: 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 25, overapproximation of bitwiseAnd at line 13. Possible FailurePath: [L34] double a; [L35] float r; [L37] a = __VERIFIER_nondet_double() [L10] double dmax; [L11] float f; [L13] EXPR \read(d) [L13] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L15] ((unsigned*)&dmax)[0] = 0x47efffff [L16] ((unsigned*)&dmax)[1] = 0xe0000000 [L18] EXPR \read(d) [L18] EXPR \read(dmax) [L18] COND FALSE !(d > dmax) [L21] EXPR \read(d) [L21] EXPR \read(dmax) [L21] COND FALSE !(-d > dmax) [L25] EXPR \read(d) [L25] d >= -3.41e38 && d <= 3.41e38 [L25] EXPR \read(d) [L25] d >= -3.41e38 && d <= 3.41e38 [L5] COND TRUE !(cond) [L5] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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...