java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float22.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 01:30:15,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 01:30:15,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 01:30:15,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 01:30:15,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 01:30:15,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 01:30:15,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 01:30:15,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 01:30:15,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 01:30:15,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 01:30:15,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 01:30:15,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 01:30:15,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 01:30:15,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 01:30:15,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 01:30:15,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 01:30:15,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 01:30:15,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 01:30:15,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 01:30:15,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 01:30:15,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 01:30:15,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 01:30:15,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 01:30:15,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 01:30:15,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 01:30:15,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 01:30:15,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 01:30:15,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 01:30:15,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 01:30:15,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 01:30:15,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 01:30:15,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 01:30:15,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 01:30:15,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 01:30:15,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 01:30:15,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 01:30:15,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 01:30:15,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 01:30:15,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 01:30:15,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 01:30:15,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 01:30:15,409 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 01:30:15,434 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 01:30:15,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 01:30:15,435 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 01:30:15,436 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 01:30:15,436 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 01:30:15,437 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 01:30:15,437 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 01:30:15,437 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 01:30:15,437 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 01:30:15,437 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 01:30:15,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 01:30:15,440 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 01:30:15,440 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 01:30:15,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 01:30:15,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 01:30:15,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 01:30:15,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 01:30:15,441 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 01:30:15,441 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 01:30:15,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 01:30:15,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 01:30:15,442 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 01:30:15,442 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 01:30:15,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 01:30:15,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 01:30:15,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 01:30:15,443 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 01:30:15,443 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 01:30:15,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 01:30:15,444 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 01:30:15,480 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 01:30:15,491 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 01:30:15,495 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 01:30:15,496 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 01:30:15,496 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 01:30:15,497 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float22.i [2019-09-10 01:30:15,557 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de3c480b4/450e294147684ad384bcc394bc6b186d/FLAG5c147c8d3 [2019-09-10 01:30:16,005 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 01:30:16,006 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float22.i [2019-09-10 01:30:16,014 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de3c480b4/450e294147684ad384bcc394bc6b186d/FLAG5c147c8d3 [2019-09-10 01:30:16,369 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de3c480b4/450e294147684ad384bcc394bc6b186d [2019-09-10 01:30:16,377 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 01:30:16,378 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 01:30:16,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 01:30:16,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 01:30:16,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 01:30:16,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:30:16" (1/1) ... [2019-09-10 01:30:16,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29b41648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:16, skipping insertion in model container [2019-09-10 01:30:16,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:30:16" (1/1) ... [2019-09-10 01:30:16,394 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 01:30:16,416 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 01:30:16,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:30:16,617 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 01:30:16,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:30:16,756 INFO L192 MainTranslator]: Completed translation [2019-09-10 01:30:16,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:16 WrapperNode [2019-09-10 01:30:16,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 01:30:16,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 01:30:16,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 01:30:16,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 01:30:16,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:16" (1/1) ... [2019-09-10 01:30:16,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:16" (1/1) ... [2019-09-10 01:30:16,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:16" (1/1) ... [2019-09-10 01:30:16,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:16" (1/1) ... [2019-09-10 01:30:16,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:16" (1/1) ... [2019-09-10 01:30:16,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:16" (1/1) ... [2019-09-10 01:30:16,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:16" (1/1) ... [2019-09-10 01:30:16,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 01:30:16,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 01:30:16,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 01:30:16,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 01:30:16,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-09-10 01:30:16,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 01:30:16,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 01:30:16,864 INFO L138 BoogieDeclarations]: Found implementation of procedure returnsField [2019-09-10 01:30:16,864 INFO L138 BoogieDeclarations]: Found implementation of procedure returnsStructure [2019-09-10 01:30:16,864 INFO L138 BoogieDeclarations]: Found implementation of procedure testOne [2019-09-10 01:30:16,865 INFO L138 BoogieDeclarations]: Found implementation of procedure testTwo [2019-09-10 01:30:16,865 INFO L138 BoogieDeclarations]: Found implementation of procedure testThree [2019-09-10 01:30:16,865 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 01:30:16,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 01:30:16,865 INFO L130 BoogieDeclarations]: Found specification of procedure returnsField [2019-09-10 01:30:16,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 01:30:16,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 01:30:16,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-10 01:30:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 01:30:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure returnsStructure [2019-09-10 01:30:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 01:30:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure testOne [2019-09-10 01:30:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-10 01:30:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure testTwo [2019-09-10 01:30:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure testThree [2019-09-10 01:30:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 01:30:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 01:30:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 01:30:17,333 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 01:30:17,334 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 01:30:17,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:30:17 BoogieIcfgContainer [2019-09-10 01:30:17,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 01:30:17,336 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 01:30:17,336 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 01:30:17,339 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 01:30:17,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 01:30:16" (1/3) ... [2019-09-10 01:30:17,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d7785fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:30:17, skipping insertion in model container [2019-09-10 01:30:17,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:30:16" (2/3) ... [2019-09-10 01:30:17,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d7785fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:30:17, skipping insertion in model container [2019-09-10 01:30:17,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:30:17" (3/3) ... [2019-09-10 01:30:17,343 INFO L109 eAbstractionObserver]: Analyzing ICFG float22.i [2019-09-10 01:30:17,351 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 01:30:17,358 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-09-10 01:30:17,375 INFO L252 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-09-10 01:30:17,401 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 01:30:17,401 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 01:30:17,402 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 01:30:17,402 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 01:30:17,402 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 01:30:17,402 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 01:30:17,402 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 01:30:17,402 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 01:30:17,419 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2019-09-10 01:30:17,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-09-10 01:30:17,427 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 01:30:17,428 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 01:30:17,431 INFO L418 AbstractCegarLoop]: === Iteration 1 === [testOneErr0ASSERT_VIOLATIONERROR_FUNCTION, testThreeErr0ASSERT_VIOLATIONERROR_FUNCTION, testTwoErr1ASSERT_VIOLATIONERROR_FUNCTION, testTwoErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 01:30:17,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 01:30:17,435 INFO L82 PathProgramCache]: Analyzing trace with hash -250275214, now seen corresponding path program 1 times [2019-09-10 01:30:17,437 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 01:30:17,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:30:17,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 01:30:17,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:30:17,479 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 01:30:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 01:30:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 01:30:17,777 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-10 01:30:17,792 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2019-09-10 01:30:17,793 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa [2019-09-10 01:30:17,794 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2019-09-10 01:30:17,794 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative [2019-09-10 01:30:17,795 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2019-09-10 01:30:17,795 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent [2019-09-10 01:30:17,795 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2019-09-10 01:30:17,796 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa [2019-09-10 01:30:17,796 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2019-09-10 01:30:17,796 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative [2019-09-10 01:30:17,797 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2019-09-10 01:30:17,797 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent [2019-09-10 01:30:17,798 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #t~ret5 : ~ieee754_float~0 not handled [2019-09-10 01:30:17,798 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #t~ret5 : ~ieee754_float~0 not handled [2019-09-10 01:30:17,799 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #t~ret5 : ~ieee754_float~0 not handled [2019-09-10 01:30:17,800 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2019-09-10 01:30:17,800 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa [2019-09-10 01:30:17,800 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2019-09-10 01:30:17,801 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative [2019-09-10 01:30:17,801 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2019-09-10 01:30:17,801 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent [2019-09-10 01:30:17,802 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2019-09-10 01:30:17,802 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa [2019-09-10 01:30:17,802 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2019-09-10 01:30:17,803 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative [2019-09-10 01:30:17,803 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2019-09-10 01:30:17,804 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent [2019-09-10 01:30:17,804 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #t~ret6 : ~ieee754_float~0 not handled [2019-09-10 01:30:17,804 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #t~ret6 : ~ieee754_float~0 not handled [2019-09-10 01:30:17,805 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #t~ret6 : ~ieee754_float~0 not handled [2019-09-10 01:30:17,812 WARN L1298 BoogieBacktranslator]: unknown boogie variable #res.ieee.mantissa [2019-09-10 01:30:17,813 WARN L1298 BoogieBacktranslator]: unknown boogie variable #res.ieee.negative [2019-09-10 01:30:17,813 WARN L1298 BoogieBacktranslator]: unknown boogie variable #res.ieee.exponent [2019-09-10 01:30:17,814 WARN L1298 BoogieBacktranslator]: unknown boogie variable #res!f [2019-09-10 01:30:17,814 WARN L1298 BoogieBacktranslator]: unknown boogie variable #res.ieee.mantissa [2019-09-10 01:30:17,815 WARN L1298 BoogieBacktranslator]: unknown boogie variable #res!f [2019-09-10 01:30:17,815 WARN L1298 BoogieBacktranslator]: unknown boogie variable #res.ieee.negative [2019-09-10 01:30:17,815 WARN L1298 BoogieBacktranslator]: unknown boogie variable #res.ieee.exponent [2019-09-10 01:30:17,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 01:30:17 BoogieIcfgContainer [2019-09-10 01:30:17,825 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 01:30:17,828 INFO L168 Benchmark]: Toolchain (without parser) took 1447.85 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 89.4 MB in the beginning and 124.5 MB in the end (delta: -35.1 MB). Peak memory consumption was 31.5 MB. Max. memory is 7.1 GB. [2019-09-10 01:30:17,829 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 01:30:17,830 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.22 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 89.2 MB in the beginning and 177.2 MB in the end (delta: -88.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-09-10 01:30:17,831 INFO L168 Benchmark]: Boogie Preprocessor took 53.31 ms. Allocated memory is still 201.3 MB. Free memory was 177.2 MB in the beginning and 174.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-10 01:30:17,832 INFO L168 Benchmark]: RCFGBuilder took 524.11 ms. Allocated memory is still 201.3 MB. Free memory was 174.8 MB in the beginning and 149.1 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-09-10 01:30:17,833 INFO L168 Benchmark]: TraceAbstraction took 488.40 ms. Allocated memory is still 201.3 MB. Free memory was 149.1 MB in the beginning and 124.5 MB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2019-09-10 01:30:17,837 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 378.22 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 89.2 MB in the beginning and 177.2 MB in the end (delta: -88.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.31 ms. Allocated memory is still 201.3 MB. Free memory was 177.2 MB in the beginning and 174.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 524.11 ms. Allocated memory is still 201.3 MB. Free memory was 174.8 MB in the beginning and 149.1 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 488.40 ms. Allocated memory is still 201.3 MB. Free memory was 149.1 MB in the beginning and 124.5 MB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #t~ret5 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #t~ret5 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #t~ret5 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #t~ret6 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #t~ret6 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #t~ret6 : ~ieee754_float~0 not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #res.ieee.mantissa - GenericResult: Unfinished Backtranslation unknown boogie variable #res.ieee.negative - GenericResult: Unfinished Backtranslation unknown boogie variable #res.ieee.exponent - GenericResult: Unfinished Backtranslation unknown boogie variable #res!f - GenericResult: Unfinished Backtranslation unknown boogie variable #res.ieee.mantissa - GenericResult: Unfinished Backtranslation unknown boogie variable #res!f - GenericResult: Unfinished Backtranslation unknown boogie variable #res.ieee.negative - GenericResult: Unfinished Backtranslation unknown boogie variable #res.ieee.exponent * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 133]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseAnd at line 119. Possible FailurePath: [L168] CALL testOne() [L128] ieee754_float f1, f2; VAL [f1={-1:0}, f2={-3:0}] [L130] CALL, EXPR returnsStructure(0) VAL [\old(index)=0] [L117] ieee754_float c; [L119] c.ieee.negative = index & 0x1 [L120] c.ieee.exponent = 0 [L121] c.ieee.mantissa = 0 [L123] return c; [L123] return c; VAL [\old(index)=0, index=0, unknown-#res!f-unknown=23, unknown-#res.ieee.exponent-unknown=0, unknown-#res.ieee.mantissa-unknown=0, unknown-#res.ieee.negative-unknown=1] [L130] RET, EXPR returnsStructure(0) VAL [f1={-1:0}, f2={-3:0}, returnsStructure(0)=0returnsStructure(0)=0returnsStructure(0)=23returnsStructure(0)=1] [L130] f1 = returnsStructure(0) [L131] CALL, EXPR returnsStructure(1) VAL [\old(index)=1] [L117] ieee754_float c; [L119] c.ieee.negative = index & 0x1 [L120] c.ieee.exponent = 0 [L121] c.ieee.mantissa = 0 [L123] return c; [L123] return c; VAL [\old(index)=1, index=1, unknown-#res!f-unknown=19, unknown-#res.ieee.exponent-unknown=0, unknown-#res.ieee.mantissa-unknown=0, unknown-#res.ieee.negative-unknown=1] [L131] RET, EXPR returnsStructure(1) VAL [f1={-1:0}, f2={-3:0}, returnsStructure(1)=0returnsStructure(1)=0returnsStructure(1)=19returnsStructure(1)=1] [L131] f2 = returnsStructure(1) [L133] EXPR f1.ieee.negative [L133] EXPR f2.ieee.negative VAL [f1={-1:0}, f1.ieee.negative=1, f2={-3:0}, f2.ieee.negative=1] [L133] COND TRUE !(f1.ieee.negative != f2.ieee.negative) [L133] __VERIFIER_error() VAL [f1={-1:0}, f2={-3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 59 locations, 4 error locations. UNSAFE Result, 0.4s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...