/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 0.1.25-8fc6572 [2020-07-10 18:34:08,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 18:34:08,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 18:34:08,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 18:34:08,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 18:34:08,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 18:34:08,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 18:34:08,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 18:34:08,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 18:34:08,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 18:34:08,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 18:34:08,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 18:34:08,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 18:34:08,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 18:34:08,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 18:34:08,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 18:34:08,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 18:34:08,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 18:34:08,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 18:34:08,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 18:34:08,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 18:34:08,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 18:34:08,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 18:34:08,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 18:34:08,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-10 18:34:08,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-10 18:34:08,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-10 18:34:08,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-10 18:34:08,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-10 18:34:08,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-10 18:34:08,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-10 18:34:08,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-10 18:34:08,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-10 18:34:08,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-10 18:34:08,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-10 18:34:08,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-10 18:34:08,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-10 18:34:08,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-10 18:34:08,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 18:34:08,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 18:34:08,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 18:34:08,060 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-10 18:34:08,069 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 18:34:08,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 18:34:08,071 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 18:34:08,071 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 18:34:08,071 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 18:34:08,071 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 18:34:08,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 18:34:08,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 18:34:08,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 18:34:08,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 18:34:08,072 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 18:34:08,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 18:34:08,073 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 18:34:08,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 18:34:08,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 18:34:08,073 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 18:34:08,073 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 18:34:08,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 18:34:08,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 18:34:08,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 18:34:08,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 18:34:08,075 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 18:34:08,075 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 18:34:08,366 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 18:34:08,385 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 18:34:08,389 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 18:34:08,391 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 18:34:08,391 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 18:34:08,392 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/sqrt_poly2.c [2020-07-10 18:34:08,471 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f85c2a2fe/b5707f823499406ab339e6eafd09a459/FLAG6a7217112 [2020-07-10 18:34:09,014 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 18:34:09,015 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/sqrt_poly2.c [2020-07-10 18:34:09,023 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f85c2a2fe/b5707f823499406ab339e6eafd09a459/FLAG6a7217112 [2020-07-10 18:34:09,325 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f85c2a2fe/b5707f823499406ab339e6eafd09a459 [2020-07-10 18:34:09,335 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 18:34:09,337 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 18:34:09,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 18:34:09,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 18:34:09,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 18:34:09,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 06:34:09" (1/1) ... [2020-07-10 18:34:09,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@733519c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:09, skipping insertion in model container [2020-07-10 18:34:09,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 06:34:09" (1/1) ... [2020-07-10 18:34:09,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 18:34:09,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 18:34:09,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 18:34:09,580 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 18:34:09,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 18:34:09,731 INFO L208 MainTranslator]: Completed translation [2020-07-10 18:34:09,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:09 WrapperNode [2020-07-10 18:34:09,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 18:34:09,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 18:34:09,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 18:34:09,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 18:34:09,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:09" (1/1) ... [2020-07-10 18:34:09,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:09" (1/1) ... [2020-07-10 18:34:09,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:09" (1/1) ... [2020-07-10 18:34:09,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:09" (1/1) ... [2020-07-10 18:34:09,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:09" (1/1) ... [2020-07-10 18:34:09,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:09" (1/1) ... [2020-07-10 18:34:09,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:09" (1/1) ... [2020-07-10 18:34:09,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 18:34:09,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 18:34:09,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 18:34:09,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 18:34:09,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:09" (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 [2020-07-10 18:34:09,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 18:34:09,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 18:34:09,844 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-10 18:34:09,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-10 18:34:09,844 INFO L138 BoogieDeclarations]: Found implementation of procedure sqrt_custom [2020-07-10 18:34:09,844 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 18:34:09,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 18:34:09,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-07-10 18:34:09,845 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-10 18:34:09,845 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-10 18:34:09,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-10 18:34:09,845 INFO L130 BoogieDeclarations]: Found specification of procedure sqrt_custom [2020-07-10 18:34:09,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-10 18:34:09,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-10 18:34:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-10 18:34:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-10 18:34:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-10 18:34:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-10 18:34:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 18:34:09,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 18:34:09,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 18:34:10,287 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 18:34:10,287 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-10 18:34:10,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:34:10 BoogieIcfgContainer [2020-07-10 18:34:10,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 18:34:10,294 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 18:34:10,294 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 18:34:10,298 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 18:34:10,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 06:34:09" (1/3) ... [2020-07-10 18:34:10,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195b32a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:34:10, skipping insertion in model container [2020-07-10 18:34:10,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:09" (2/3) ... [2020-07-10 18:34:10,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195b32a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:34:10, skipping insertion in model container [2020-07-10 18:34:10,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:34:10" (3/3) ... [2020-07-10 18:34:10,301 INFO L109 eAbstractionObserver]: Analyzing ICFG sqrt_poly2.c [2020-07-10 18:34:10,309 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 18:34:10,317 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 18:34:10,329 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 18:34:10,352 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 18:34:10,352 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 18:34:10,353 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 18:34:10,353 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 18:34:10,353 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 18:34:10,353 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 18:34:10,353 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 18:34:10,354 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 18:34:10,372 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-07-10 18:34:10,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-10 18:34:10,385 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 18:34:10,386 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] [2020-07-10 18:34:10,386 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 18:34:10,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 18:34:10,392 INFO L82 PathProgramCache]: Analyzing trace with hash 284093711, now seen corresponding path program 1 times [2020-07-10 18:34:10,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 18:34:10,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [670856188] [2020-07-10 18:34:10,400 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 18:34:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 18:34:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 18:34:10,793 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 18:34:10,796 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-10 18:34:10,796 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-10 18:34:10,798 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 18:34:10,822 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-10 18:34:10,822 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 18:34:10,822 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 18:34:10,822 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-10 18:34:10,823 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-10 18:34:10,823 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-10 18:34:10,823 WARN L170 areAnnotationChecker]: sqrt_customENTRY has no Hoare annotation [2020-07-10 18:34:10,823 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 18:34:10,824 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 18:34:10,824 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 18:34:10,824 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-10 18:34:10,824 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-10 18:34:10,825 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-10 18:34:10,825 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2020-07-10 18:34:10,825 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2020-07-10 18:34:10,825 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-10 18:34:10,826 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-10 18:34:10,826 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-10 18:34:10,826 WARN L170 areAnnotationChecker]: L10-1 has no Hoare annotation [2020-07-10 18:34:10,826 WARN L170 areAnnotationChecker]: L10-3 has no Hoare annotation [2020-07-10 18:34:10,826 WARN L170 areAnnotationChecker]: L58 has no Hoare annotation [2020-07-10 18:34:10,827 WARN L170 areAnnotationChecker]: L12-1 has no Hoare annotation [2020-07-10 18:34:10,827 WARN L170 areAnnotationChecker]: L12-1 has no Hoare annotation [2020-07-10 18:34:10,827 WARN L170 areAnnotationChecker]: L12-3 has no Hoare annotation [2020-07-10 18:34:10,827 WARN L170 areAnnotationChecker]: L29-1 has no Hoare annotation [2020-07-10 18:34:10,827 WARN L170 areAnnotationChecker]: L15 has no Hoare annotation [2020-07-10 18:34:10,828 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2020-07-10 18:34:10,828 WARN L170 areAnnotationChecker]: L58-1 has no Hoare annotation [2020-07-10 18:34:10,828 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-10 18:34:10,828 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-10 18:34:10,828 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-10 18:34:10,829 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-10 18:34:10,829 WARN L170 areAnnotationChecker]: L59-1 has no Hoare annotation [2020-07-10 18:34:10,829 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-10 18:34:10,829 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-10 18:34:10,829 WARN L170 areAnnotationChecker]: L63-1 has no Hoare annotation [2020-07-10 18:34:10,829 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2020-07-10 18:34:10,830 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-10 18:34:10,830 WARN L170 areAnnotationChecker]: L61 has no Hoare annotation [2020-07-10 18:34:10,830 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-10 18:34:10,830 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2020-07-10 18:34:10,830 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-10 18:34:10,830 WARN L170 areAnnotationChecker]: L61-1 has no Hoare annotation [2020-07-10 18:34:10,831 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-10 18:34:10,831 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2020-07-10 18:34:10,831 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-10 18:34:10,831 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-10 18:34:10,831 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-10 18:34:10,831 WARN L170 areAnnotationChecker]: L35-1 has no Hoare annotation [2020-07-10 18:34:10,832 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-10 18:34:10,832 WARN L170 areAnnotationChecker]: L35-2 has no Hoare annotation [2020-07-10 18:34:10,832 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-10 18:34:10,832 WARN L170 areAnnotationChecker]: L35-3 has no Hoare annotation [2020-07-10 18:34:10,832 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-10 18:34:10,833 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-10 18:34:10,833 WARN L170 areAnnotationChecker]: L36-1 has no Hoare annotation [2020-07-10 18:34:10,833 WARN L170 areAnnotationChecker]: L36-2 has no Hoare annotation [2020-07-10 18:34:10,833 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-10 18:34:10,833 WARN L170 areAnnotationChecker]: L37-1 has no Hoare annotation [2020-07-10 18:34:10,833 WARN L170 areAnnotationChecker]: L37-2 has no Hoare annotation [2020-07-10 18:34:10,834 WARN L170 areAnnotationChecker]: L37-3 has no Hoare annotation [2020-07-10 18:34:10,834 WARN L170 areAnnotationChecker]: L37-4 has no Hoare annotation [2020-07-10 18:34:10,834 WARN L170 areAnnotationChecker]: L37-5 has no Hoare annotation [2020-07-10 18:34:10,834 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-10 18:34:10,834 WARN L170 areAnnotationChecker]: L41 has no Hoare annotation [2020-07-10 18:34:10,834 WARN L170 areAnnotationChecker]: L41 has no Hoare annotation [2020-07-10 18:34:10,835 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-10 18:34:10,835 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-10 18:34:10,835 WARN L170 areAnnotationChecker]: L42-1 has no Hoare annotation [2020-07-10 18:34:10,835 WARN L170 areAnnotationChecker]: L41-2 has no Hoare annotation [2020-07-10 18:34:10,835 WARN L170 areAnnotationChecker]: L42-2 has no Hoare annotation [2020-07-10 18:34:10,836 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2020-07-10 18:34:10,836 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2020-07-10 18:34:10,836 WARN L170 areAnnotationChecker]: L49-1 has no Hoare annotation [2020-07-10 18:34:10,836 WARN L170 areAnnotationChecker]: L49-2 has no Hoare annotation [2020-07-10 18:34:10,836 WARN L170 areAnnotationChecker]: L49-3 has no Hoare annotation [2020-07-10 18:34:10,836 WARN L170 areAnnotationChecker]: L49-4 has no Hoare annotation [2020-07-10 18:34:10,837 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-10 18:34:10,837 WARN L170 areAnnotationChecker]: L29-2 has no Hoare annotation [2020-07-10 18:34:10,837 WARN L170 areAnnotationChecker]: L29-3 has no Hoare annotation [2020-07-10 18:34:10,837 WARN L170 areAnnotationChecker]: sqrt_customFINAL has no Hoare annotation [2020-07-10 18:34:10,837 WARN L170 areAnnotationChecker]: sqrt_customEXIT has no Hoare annotation [2020-07-10 18:34:10,838 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. [2020-07-10 18:34:10,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 06:34:10 BoogieIcfgContainer [2020-07-10 18:34:10,843 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 18:34:10,847 INFO L168 Benchmark]: Toolchain (without parser) took 1508.64 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 102.1 MB in the beginning and 119.0 MB in the end (delta: -17.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 7.1 GB. [2020-07-10 18:34:10,848 INFO L168 Benchmark]: CDTParser took 0.84 ms. Allocated memory is still 136.3 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-10 18:34:10,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 394.09 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 101.7 MB in the beginning and 178.6 MB in the end (delta: -77.0 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2020-07-10 18:34:10,850 INFO L168 Benchmark]: Boogie Preprocessor took 51.90 ms. Allocated memory is still 200.3 MB. Free memory was 178.6 MB in the beginning and 175.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-07-10 18:34:10,851 INFO L168 Benchmark]: RCFGBuilder took 507.33 ms. Allocated memory is still 200.3 MB. Free memory was 175.9 MB in the beginning and 144.5 MB in the end (delta: 31.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 7.1 GB. [2020-07-10 18:34:10,852 INFO L168 Benchmark]: TraceAbstraction took 549.26 ms. Allocated memory is still 200.3 MB. Free memory was 144.5 MB in the beginning and 119.0 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2020-07-10 18:34:10,856 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 0.84 ms. Allocated memory is still 136.3 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 394.09 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 101.7 MB in the beginning and 178.6 MB in the end (delta: -77.0 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.90 ms. Allocated memory is still 200.3 MB. Free memory was 178.6 MB in the beginning and 175.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 507.33 ms. Allocated memory is still 200.3 MB. Free memory was 175.9 MB in the beginning and 144.5 MB in the end (delta: 31.3 MB). Peak memory consumption was 31.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 549.26 ms. Allocated memory is still 200.3 MB. Free memory was 144.5 MB in the beginning and 119.0 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.5 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...