/usr/bin/java -ea -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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-benchs/sqrt_poly2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 15:52:54,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 15:52:54,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 15:52:54,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 15:52:54,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 15:52:54,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 15:52:54,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 15:52:54,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 15:52:54,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 15:52:54,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 15:52:54,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 15:52:54,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 15:52:54,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 15:52:54,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 15:52:54,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 15:52:54,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 15:52:54,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 15:52:54,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 15:52:54,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 15:52:54,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 15:52:54,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 15:52:54,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 15:52:54,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 15:52:54,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 15:52:54,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 15:52:54,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 15:52:54,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 15:52:54,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 15:52:54,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 15:52:54,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 15:52:54,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 15:52:54,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 15:52:54,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 15:52:54,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 15:52:54,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 15:52:54,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 15:52:54,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 15:52:54,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 15:52:54,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 15:52:54,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 15:52:54,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 15:52:54,128 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-08 15:52:54,147 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 15:52:54,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 15:52:54,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 15:52:54,155 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 15:52:54,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 15:52:54,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 15:52:54,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 15:52:54,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 15:52:54,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 15:52:54,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 15:52:54,156 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 15:52:54,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 15:52:54,160 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 15:52:54,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 15:52:54,160 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 15:52:54,160 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 15:52:54,160 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 15:52:54,161 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 15:52:54,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 15:52:54,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 15:52:54,161 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 15:52:54,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 15:52:54,162 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-08 15:52:54,411 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 15:52:54,428 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 15:52:54,431 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 15:52:54,433 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 15:52:54,433 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 15:52:54,434 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/sqrt_poly2.c [2020-07-08 15:52:54,499 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c958f0a94/537421f9fbc045808aa352803891370f/FLAG874ceac07 [2020-07-08 15:52:54,937 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 15:52:54,938 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/sqrt_poly2.c [2020-07-08 15:52:54,951 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c958f0a94/537421f9fbc045808aa352803891370f/FLAG874ceac07 [2020-07-08 15:52:55,317 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c958f0a94/537421f9fbc045808aa352803891370f [2020-07-08 15:52:55,329 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 15:52:55,331 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 15:52:55,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 15:52:55,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 15:52:55,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 15:52:55,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 03:52:55" (1/1) ... [2020-07-08 15:52:55,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eb8fb64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:55, skipping insertion in model container [2020-07-08 15:52:55,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 03:52:55" (1/1) ... [2020-07-08 15:52:55,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 15:52:55,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 15:52:55,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 15:52:55,555 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 15:52:55,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 15:52:55,688 INFO L208 MainTranslator]: Completed translation [2020-07-08 15:52:55,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:55 WrapperNode [2020-07-08 15:52:55,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 15:52:55,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 15:52:55,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 15:52:55,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 15:52:55,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:55" (1/1) ... [2020-07-08 15:52:55,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:55" (1/1) ... [2020-07-08 15:52:55,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:55" (1/1) ... [2020-07-08 15:52:55,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:55" (1/1) ... [2020-07-08 15:52:55,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:55" (1/1) ... [2020-07-08 15:52:55,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:55" (1/1) ... [2020-07-08 15:52:55,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:55" (1/1) ... [2020-07-08 15:52:55,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 15:52:55,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 15:52:55,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 15:52:55,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 15:52:55,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:55" (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 [2020-07-08 15:52:55,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 15:52:55,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 15:52:55,799 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-08 15:52:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-08 15:52:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure sqrt_custom [2020-07-08 15:52:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 15:52:55,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 15:52:55,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-07-08 15:52:55,800 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-08 15:52:55,800 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-08 15:52:55,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-08 15:52:55,800 INFO L130 BoogieDeclarations]: Found specification of procedure sqrt_custom [2020-07-08 15:52:55,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-08 15:52:55,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-08 15:52:55,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 15:52:55,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 15:52:55,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-08 15:52:55,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 15:52:55,802 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 15:52:55,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 15:52:55,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 15:52:56,226 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 15:52:56,226 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-08 15:52:56,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 03:52:56 BoogieIcfgContainer [2020-07-08 15:52:56,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 15:52:56,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 15:52:56,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 15:52:56,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 15:52:56,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 03:52:55" (1/3) ... [2020-07-08 15:52:56,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7539f576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 03:52:56, skipping insertion in model container [2020-07-08 15:52:56,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:55" (2/3) ... [2020-07-08 15:52:56,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7539f576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 03:52:56, skipping insertion in model container [2020-07-08 15:52:56,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 03:52:56" (3/3) ... [2020-07-08 15:52:56,243 INFO L109 eAbstractionObserver]: Analyzing ICFG sqrt_poly2.c [2020-07-08 15:52:56,254 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 15:52:56,265 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 15:52:56,278 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 15:52:56,301 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 15:52:56,301 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 15:52:56,301 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-08 15:52:56,301 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 15:52:56,301 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 15:52:56,302 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 15:52:56,302 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 15:52:56,302 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 15:52:56,318 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-07-08 15:52:56,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-08 15:52:56,329 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 15:52:56,330 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 15:52:56,330 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 15:52:56,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 15:52:56,336 INFO L82 PathProgramCache]: Analyzing trace with hash 284093711, now seen corresponding path program 1 times [2020-07-08 15:52:56,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 15:52:56,344 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [838096704] [2020-07-08 15:52:56,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 15:52:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 15:52:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 15:52:56,720 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 15:52:56,722 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-08 15:52:56,723 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-08 15:52:56,724 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 15:52:56,745 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-08 15:52:56,745 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 15:52:56,745 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 15:52:56,745 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-08 15:52:56,745 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-08 15:52:56,746 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-08 15:52:56,746 WARN L170 areAnnotationChecker]: sqrt_customENTRY has no Hoare annotation [2020-07-08 15:52:56,746 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 15:52:56,746 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 15:52:56,746 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 15:52:56,747 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-08 15:52:56,747 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-08 15:52:56,747 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-08 15:52:56,747 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2020-07-08 15:52:56,748 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2020-07-08 15:52:56,748 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-08 15:52:56,748 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-08 15:52:56,748 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 15:52:56,748 WARN L170 areAnnotationChecker]: L10-1 has no Hoare annotation [2020-07-08 15:52:56,749 WARN L170 areAnnotationChecker]: L10-3 has no Hoare annotation [2020-07-08 15:52:56,749 WARN L170 areAnnotationChecker]: L58 has no Hoare annotation [2020-07-08 15:52:56,749 WARN L170 areAnnotationChecker]: L12-1 has no Hoare annotation [2020-07-08 15:52:56,749 WARN L170 areAnnotationChecker]: L12-1 has no Hoare annotation [2020-07-08 15:52:56,749 WARN L170 areAnnotationChecker]: L12-3 has no Hoare annotation [2020-07-08 15:52:56,750 WARN L170 areAnnotationChecker]: L29-1 has no Hoare annotation [2020-07-08 15:52:56,750 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2020-07-08 15:52:56,750 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2020-07-08 15:52:56,750 WARN L170 areAnnotationChecker]: L58-1 has no Hoare annotation [2020-07-08 15:52:56,750 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-08 15:52:56,751 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-08 15:52:56,751 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-08 15:52:56,751 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-08 15:52:56,751 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-08 15:52:56,751 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-08 15:52:56,752 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-08 15:52:56,752 WARN L170 areAnnotationChecker]: L63-1 has no Hoare annotation [2020-07-08 15:52:56,752 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2020-07-08 15:52:56,752 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-08 15:52:56,752 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2020-07-08 15:52:56,752 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 15:52:56,753 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2020-07-08 15:52:56,753 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-08 15:52:56,753 WARN L170 areAnnotationChecker]: L61-1 has no Hoare annotation [2020-07-08 15:52:56,753 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 15:52:56,753 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-08 15:52:56,753 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-08 15:52:56,754 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-08 15:52:56,754 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-08 15:52:56,754 WARN L170 areAnnotationChecker]: L35-1 has no Hoare annotation [2020-07-08 15:52:56,754 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-08 15:52:56,754 WARN L170 areAnnotationChecker]: L35-2 has no Hoare annotation [2020-07-08 15:52:56,755 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 15:52:56,755 WARN L170 areAnnotationChecker]: L35-3 has no Hoare annotation [2020-07-08 15:52:56,755 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 15:52:56,755 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-08 15:52:56,755 WARN L170 areAnnotationChecker]: L36-1 has no Hoare annotation [2020-07-08 15:52:56,755 WARN L170 areAnnotationChecker]: L36-2 has no Hoare annotation [2020-07-08 15:52:56,756 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-08 15:52:56,756 WARN L170 areAnnotationChecker]: L37-1 has no Hoare annotation [2020-07-08 15:52:56,756 WARN L170 areAnnotationChecker]: L37-2 has no Hoare annotation [2020-07-08 15:52:56,756 WARN L170 areAnnotationChecker]: L37-3 has no Hoare annotation [2020-07-08 15:52:56,756 WARN L170 areAnnotationChecker]: L37-4 has no Hoare annotation [2020-07-08 15:52:56,756 WARN L170 areAnnotationChecker]: L37-5 has no Hoare annotation [2020-07-08 15:52:56,757 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-08 15:52:56,757 WARN L170 areAnnotationChecker]: L41 has no Hoare annotation [2020-07-08 15:52:56,757 WARN L170 areAnnotationChecker]: L41 has no Hoare annotation [2020-07-08 15:52:56,757 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-08 15:52:56,757 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-08 15:52:56,757 WARN L170 areAnnotationChecker]: L42-1 has no Hoare annotation [2020-07-08 15:52:56,758 WARN L170 areAnnotationChecker]: L41-2 has no Hoare annotation [2020-07-08 15:52:56,758 WARN L170 areAnnotationChecker]: L42-2 has no Hoare annotation [2020-07-08 15:52:56,758 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2020-07-08 15:52:56,758 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2020-07-08 15:52:56,758 WARN L170 areAnnotationChecker]: L49-1 has no Hoare annotation [2020-07-08 15:52:56,759 WARN L170 areAnnotationChecker]: L49-2 has no Hoare annotation [2020-07-08 15:52:56,759 WARN L170 areAnnotationChecker]: L49-3 has no Hoare annotation [2020-07-08 15:52:56,759 WARN L170 areAnnotationChecker]: L49-4 has no Hoare annotation [2020-07-08 15:52:56,759 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-08 15:52:56,759 WARN L170 areAnnotationChecker]: L29-2 has no Hoare annotation [2020-07-08 15:52:56,759 WARN L170 areAnnotationChecker]: L29-3 has no Hoare annotation [2020-07-08 15:52:56,760 WARN L170 areAnnotationChecker]: sqrt_customFINAL has no Hoare annotation [2020-07-08 15:52:56,760 WARN L170 areAnnotationChecker]: sqrt_customEXIT has no Hoare annotation [2020-07-08 15:52:56,760 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-08 15:52:56,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 03:52:56 BoogieIcfgContainer [2020-07-08 15:52:56,765 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 15:52:56,768 INFO L168 Benchmark]: Toolchain (without parser) took 1436.40 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 104.2 MB in the beginning and 122.8 MB in the end (delta: -18.6 MB). Peak memory consumption was 45.9 MB. Max. memory is 7.1 GB. [2020-07-08 15:52:56,769 INFO L168 Benchmark]: CDTParser took 0.85 ms. Allocated memory is still 138.9 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-08 15:52:56,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.66 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 104.0 MB in the beginning and 182.5 MB in the end (delta: -78.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2020-07-08 15:52:56,771 INFO L168 Benchmark]: Boogie Preprocessor took 43.67 ms. Allocated memory is still 203.4 MB. Free memory was 182.5 MB in the beginning and 180.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2020-07-08 15:52:56,772 INFO L168 Benchmark]: RCFGBuilder took 497.68 ms. Allocated memory is still 203.4 MB. Free memory was 180.1 MB in the beginning and 148.3 MB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2020-07-08 15:52:56,773 INFO L168 Benchmark]: TraceAbstraction took 532.45 ms. Allocated memory is still 203.4 MB. Free memory was 148.3 MB in the beginning and 122.8 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2020-07-08 15:52:56,776 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85 ms. Allocated memory is still 138.9 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 353.66 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 104.0 MB in the beginning and 182.5 MB in the end (delta: -78.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.67 ms. Allocated memory is still 203.4 MB. Free memory was 182.5 MB in the beginning and 180.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 497.68 ms. Allocated memory is still 203.4 MB. Free memory was 180.1 MB in the beginning and 148.3 MB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 532.45 ms. Allocated memory is still 203.4 MB. Free memory was 148.3 MB in the beginning and 122.8 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 36, overapproximation of someUnaryDOUBLEoperation at line 20, overapproximation of bitwiseAnd at line 35, overapproximation of someBinaryArithmeticDOUBLEoperation at line 49, overapproximation of someBinaryDOUBLEComparisonOperation at line 63. Possible FailurePath: [L15] double C0 = 1.414213538; [L16] double C1 = 0.229761391; [L17] double C2 = 1.296735525; [L18] double C3 = -0.901098370; [L19] double C4 = 0.493553400; [L20] double C5 = -0.118958666; [L56] double x,y; [L58] x = __VERIFIER_nondet_double() [L59] CALL assume_abort_if_not(x >= 1. && x <= 1e10) [L10] COND FALSE !(!cond) [L59] RET assume_abort_if_not(x >= 1. && x <= 1e10) [L61] CALL, EXPR sqrt_custom(x) [L29] union u x; [L30] double r; [L31] int exp; [L33] x.d = a [L35] EXPR x.i[0] [L35] exp = (x.i[0] & 0x7FF00000) >> 20 [L36] EXPR x.i[0] [L36] x.i[0] = (x.i[0] & 0x800FFFFF) | 0x3FF00000 [L37] EXPR x.d [L37] r = x.d * 0.5 [L39] r = C1+C2+(C3+(C4+C5*r)*r)*r [L41] COND FALSE !(exp % 2 == 0) [L45] r = r * C0 [L48] x.i[0] = (exp/2 + 511) << 20 [L49] EXPR x.d [L49] r = r * x.d [L51] return r; [L51] return r; [L61] RET, EXPR sqrt_custom(x) [L61] y = sqrt_custom(x) [L63] CALL __VERIFIER_assert(y >= 0. && y <= 1e6) [L12] COND TRUE !(cond) [L12] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 75 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=75occurred 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: No data available, 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...