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/float-newlib/float_req_bl_0660b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 01:44:10,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 01:44:10,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 01:44:10,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 01:44:10,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 01:44:10,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 01:44:10,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 01:44:10,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 01:44:10,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 01:44:10,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 01:44:10,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 01:44:10,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 01:44:10,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 01:44:10,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 01:44:10,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 01:44:10,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 01:44:10,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 01:44:10,678 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 01:44:10,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 01:44:10,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 01:44:10,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 01:44:10,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 01:44:10,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 01:44:10,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 01:44:10,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-10 01:44:10,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 01:44:10,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 01:44:10,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 01:44:10,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 01:44:10,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 01:44:10,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 01:44:10,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 01:44:10,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 01:44:10,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 01:44:10,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 01:44:10,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 01:44:10,697 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 01:44:10,712 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 01:44:10,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 01:44:10,713 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 01:44:10,713 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 01:44:10,714 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 01:44:10,714 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 01:44:10,714 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 01:44:10,714 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 01:44:10,715 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 01:44:10,715 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 01:44:10,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 01:44:10,716 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 01:44:10,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 01:44:10,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 01:44:10,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 01:44:10,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 01:44:10,717 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 01:44:10,717 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 01:44:10,717 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 01:44:10,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 01:44:10,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 01:44:10,718 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 01:44:10,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 01:44:10,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 01:44:10,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 01:44:10,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 01:44:10,719 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 01:44:10,719 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 01:44:10,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 01:44:10,719 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 01:44:10,746 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 01:44:10,758 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 01:44:10,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 01:44:10,763 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 01:44:10,763 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 01:44:10,764 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0660b.c [2019-09-10 01:44:10,820 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce01f1d91/ed87157d35ac40d68b1c5f3caf28394c/FLAG385a5258a [2019-09-10 01:44:11,278 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 01:44:11,281 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0660b.c [2019-09-10 01:44:11,292 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce01f1d91/ed87157d35ac40d68b1c5f3caf28394c/FLAG385a5258a [2019-09-10 01:44:11,646 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce01f1d91/ed87157d35ac40d68b1c5f3caf28394c [2019-09-10 01:44:11,657 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 01:44:11,659 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 01:44:11,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 01:44:11,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 01:44:11,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 01:44:11,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:44:11" (1/1) ... [2019-09-10 01:44:11,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e42c1b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:11, skipping insertion in model container [2019-09-10 01:44:11,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:44:11" (1/1) ... [2019-09-10 01:44:11,675 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 01:44:11,701 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 01:44:12,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:44:12,080 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 01:44:12,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:44:12,161 INFO L192 MainTranslator]: Completed translation [2019-09-10 01:44:12,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:12 WrapperNode [2019-09-10 01:44:12,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 01:44:12,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 01:44:12,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 01:44:12,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 01:44:12,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:12" (1/1) ... [2019-09-10 01:44:12,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:12" (1/1) ... [2019-09-10 01:44:12,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:12" (1/1) ... [2019-09-10 01:44:12,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:12" (1/1) ... [2019-09-10 01:44:12,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:12" (1/1) ... [2019-09-10 01:44:12,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:12" (1/1) ... [2019-09-10 01:44:12,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:12" (1/1) ... [2019-09-10 01:44:12,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 01:44:12,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 01:44:12,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 01:44:12,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 01:44:12,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:12" (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 01:44:12,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 01:44:12,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 01:44:12,286 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2019-09-10 01:44:12,286 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2019-09-10 01:44:12,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_atan2f [2019-09-10 01:44:12,286 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 01:44:12,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 01:44:12,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-10 01:44:12,287 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2019-09-10 01:44:12,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 01:44:12,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-10 01:44:12,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 01:44:12,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 01:44:12,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 01:44:12,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-10 01:44:12,289 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2019-09-10 01:44:12,290 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_atan2f [2019-09-10 01:44:12,290 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 01:44:12,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 01:44:12,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-09-10 01:44:12,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 01:44:13,024 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 01:44:13,025 INFO L283 CfgBuilder]: Removed 14 assume(true) statements. [2019-09-10 01:44:13,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:44:13 BoogieIcfgContainer [2019-09-10 01:44:13,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 01:44:13,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 01:44:13,028 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 01:44:13,032 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 01:44:13,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 01:44:11" (1/3) ... [2019-09-10 01:44:13,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49dc9369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:44:13, skipping insertion in model container [2019-09-10 01:44:13,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:12" (2/3) ... [2019-09-10 01:44:13,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49dc9369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:44:13, skipping insertion in model container [2019-09-10 01:44:13,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:44:13" (3/3) ... [2019-09-10 01:44:13,037 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0660b.c [2019-09-10 01:44:13,048 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 01:44:13,061 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 01:44:13,078 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 01:44:13,110 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 01:44:13,110 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 01:44:13,110 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 01:44:13,110 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 01:44:13,111 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 01:44:13,111 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 01:44:13,111 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 01:44:13,111 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 01:44:13,139 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states. [2019-09-10 01:44:13,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-09-10 01:44:13,154 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 01:44:13,155 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 01:44:13,157 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 01:44:13,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 01:44:13,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1869574931, now seen corresponding path program 1 times [2019-09-10 01:44:13,167 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 01:44:13,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:44:13,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 01:44:13,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:44:13,212 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 01:44:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 01:44:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 01:44:13,592 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-10 01:44:13,636 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967319 could not be translated for associated CType ARRAY#_11_~FLOAT# [2019-09-10 01:44:13,638 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967312 could not be translated for associated CType ARRAY#_11_~FLOAT# [2019-09-10 01:44:13,638 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967315 could not be translated for associated CType ARRAY#_4_~FLOAT# [2019-09-10 01:44:13,639 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967314 could not be translated for associated CType ARRAY#_4_~FLOAT# [2019-09-10 01:44:13,639 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967308 could not be translated for associated CType ARRAY#_4_~FLOAT# [2019-09-10 01:44:13,639 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 4294967305 could not be translated for associated CType ARRAY#_4_~FLOAT# [2019-09-10 01:44:13,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 01:44:13 BoogieIcfgContainer [2019-09-10 01:44:13,672 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 01:44:13,675 INFO L168 Benchmark]: Toolchain (without parser) took 2015.17 ms. Allocated memory was 135.3 MB in the beginning and 201.3 MB in the end (delta: 66.1 MB). Free memory was 91.3 MB in the beginning and 96.0 MB in the end (delta: -4.7 MB). Peak memory consumption was 61.4 MB. Max. memory is 7.1 GB. [2019-09-10 01:44:13,677 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 135.3 MB. Free memory was 109.8 MB in the beginning and 109.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 01:44:13,678 INFO L168 Benchmark]: CACSL2BoogieTranslator took 501.94 ms. Allocated memory was 135.3 MB in the beginning and 201.3 MB in the end (delta: 66.1 MB). Free memory was 90.9 MB in the beginning and 173.3 MB in the end (delta: -82.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2019-09-10 01:44:13,680 INFO L168 Benchmark]: Boogie Preprocessor took 63.44 ms. Allocated memory is still 201.3 MB. Free memory was 173.3 MB in the beginning and 170.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-09-10 01:44:13,681 INFO L168 Benchmark]: RCFGBuilder took 800.43 ms. Allocated memory is still 201.3 MB. Free memory was 170.0 MB in the beginning and 127.2 MB in the end (delta: 42.8 MB). Peak memory consumption was 42.8 MB. Max. memory is 7.1 GB. [2019-09-10 01:44:13,682 INFO L168 Benchmark]: TraceAbstraction took 644.68 ms. Allocated memory is still 201.3 MB. Free memory was 127.2 MB in the beginning and 96.0 MB in the end (delta: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB. [2019-09-10 01:44:13,688 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 135.3 MB. Free memory was 109.8 MB in the beginning and 109.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 501.94 ms. Allocated memory was 135.3 MB in the beginning and 201.3 MB in the end (delta: 66.1 MB). Free memory was 90.9 MB in the beginning and 173.3 MB in the end (delta: -82.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.44 ms. Allocated memory is still 201.3 MB. Free memory was 173.3 MB in the beginning and 170.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 800.43 ms. Allocated memory is still 201.3 MB. Free memory was 170.0 MB in the beginning and 127.2 MB in the end (delta: 42.8 MB). Peak memory consumption was 42.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 644.68 ms. Allocated memory is still 201.3 MB. Free memory was 127.2 MB in the beginning and 96.0 MB in the end (delta: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967319 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967312 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967315 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967314 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967308 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 4294967305 could not be translated for associated CType ARRAY#_4_~FLOAT# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 231]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseAnd at line 133. Possible FailurePath: [L27-L32] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L34-L39] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L41-L45] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L47-L49] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L115-L116] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [\old(aT_atan)=null, \old(aT_atan)=null, \old(atanhi_atan)=null, \old(atanhi_atan)=null, \old(atanlo_atan)=null, \old(atanlo_atan)=null, \old(huge_atan)=4294967310, \old(one_atan)=4294967300, \old(pi)=4294967306, \old(pi_lo_atan2)=4294967317, \old(pi_o_2)=4294967301, \old(pi_o_4)=4294967304, \old(tiny_atan2)=4294967313, \old(zero_atan2)=4294967311, aT_atan={1:0}, atanhi_atan={-1:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_lo_atan2=-87422776573/1000000000000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L216] float x = __VERIFIER_nondet_float(); [L217] float y = 0.0f; VAL [aT_atan={1:0}, atanhi_atan={-1:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_lo_atan2=-87422776573/1000000000000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=-7, y=0, zero_atan2=0] [L224] COND TRUE x < 0.0f VAL [aT_atan={1:0}, atanhi_atan={-1:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_lo_atan2=-87422776573/1000000000000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=-7, y=0, zero_atan2=0] [L227] CALL, EXPR __ieee754_atan2f(y, x) VAL [\old(x)=-7, \old(y)=0, aT_atan={1:0}, atanhi_atan={-1:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_lo_atan2=-87422776573/1000000000000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L119] float z; [L120] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=-7, \old(y)=0, aT_atan={1:0}, atanhi_atan={-1:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_lo_atan2=-87422776573/1000000000000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=-7, y=0, zero_atan2=0] [L123] ieee_float_shape_type gf_u; [L124] gf_u.value = (x) [L125] EXPR gf_u.word [L125] (hx) = gf_u.word [L127] ix = hx & 0x7fffffff VAL [\old(x)=-7, \old(y)=0, aT_atan={1:0}, atanhi_atan={-1:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000, hx=3, one_atan=1, pi=3141592741/1000000000, pi_lo_atan2=-87422776573/1000000000000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=-7, y=0, zero_atan2=0] [L129] ieee_float_shape_type gf_u; [L130] gf_u.value = (y) [L131] EXPR gf_u.word [L131] (hy) = gf_u.word [L133] iy = hy & 0x7fffffff VAL [\old(x)=-7, \old(y)=0, aT_atan={1:0}, atanhi_atan={-1:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000, hx=3, hy=-3, one_atan=1, pi=3141592741/1000000000, pi_lo_atan2=-87422776573/1000000000000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=-7, y=0, zero_atan2=0] [L134] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L135] return x + y; VAL [\old(x)=-7, \old(y)=0, \result=-7, aT_atan={1:0}, atanhi_atan={-1:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000, hx=3, hy=-3, ix=2139095041, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_lo_atan2=-87422776573/1000000000000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=-7, y=0, zero_atan2=0] [L227] RET, EXPR __ieee754_atan2f(y, x) VAL [__ieee754_atan2f(y, x)=-7, aT_atan={1:0}, atanhi_atan={-1:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_lo_atan2=-87422776573/1000000000000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=-7, y=0, zero_atan2=0] [L227] float res = __ieee754_atan2f(y, x); [L230] COND TRUE res != pi VAL [aT_atan={1:0}, atanhi_atan={-1:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_lo_atan2=-87422776573/1000000000000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=-7, tiny_atan2=1/1000000000000000000000000000000, x=-7, y=0, zero_atan2=0] [L231] __VERIFIER_error() VAL [aT_atan={1:0}, atanhi_atan={-1:0}, atanlo_atan={-2:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_lo_atan2=-87422776573/1000000000000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=-7, tiny_atan2=1/1000000000000000000000000000000, x=-7, y=0, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 101 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred 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...