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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-benchs/sqrt_biNewton_pseudoconstant.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:15:56,369 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:15:56,371 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:15:56,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 01:15:56,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 01:15:56,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 01:15:56,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 01:15:56,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 01:15:56,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 01:15:56,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 01:15:56,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 01:15:56,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 01:15:56,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:15:56,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:15:56,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:15:56,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:15:56,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:15:56,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:15:56,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:15:56,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:15:56,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:15:56,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:15:56,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:15:56,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:15:56,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 01:15:56,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 01:15:56,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 01:15:56,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 01:15:56,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 01:15:56,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 01:15:56,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 01:15:56,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 01:15:56,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 01:15:56,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 01:15:56,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 01:15:56,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 01:15:56,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 01:15:56,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 01:15:56,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:15:56,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:15:56,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:15:56,426 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 01:15:56,448 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:15:56,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:15:56,449 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:15:56,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:15:56,450 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:15:56,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:15:56,450 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:15:56,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:15:56,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:15:56,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:15:56,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:15:56,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:15:56,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:15:56,451 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:15:56,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:15:56,452 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:15:56,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:15:56,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:15:56,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:15:56,452 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:15:56,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:15:56,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:15:56,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:15:56,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:15:56,453 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:15:56,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:15:56,454 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:15:56,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:15:56,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:15:56,482 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:15:56,495 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:15:56,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:15:56,501 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:15:56,502 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:15:56,502 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/sqrt_biNewton_pseudoconstant.c [2019-09-08 01:15:56,563 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fccbc8a06/1990aaddeeff4303998dfb2e15befadf/FLAG04d5079e4 [2019-09-08 01:15:57,018 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:15:57,019 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/sqrt_biNewton_pseudoconstant.c [2019-09-08 01:15:57,025 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fccbc8a06/1990aaddeeff4303998dfb2e15befadf/FLAG04d5079e4 [2019-09-08 01:15:57,394 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fccbc8a06/1990aaddeeff4303998dfb2e15befadf [2019-09-08 01:15:57,405 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:15:57,406 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:15:57,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:15:57,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:15:57,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:15:57,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:15:57" (1/1) ... [2019-09-08 01:15:57,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54a89fb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:15:57, skipping insertion in model container [2019-09-08 01:15:57,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:15:57" (1/1) ... [2019-09-08 01:15:57,423 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:15:57,444 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:15:57,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:15:57,681 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:15:57,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:15:57,726 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:15:57,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:15:57 WrapperNode [2019-09-08 01:15:57,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:15:57,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:15:57,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:15:57,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:15:57,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:15:57" (1/1) ... [2019-09-08 01:15:57,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:15:57" (1/1) ... [2019-09-08 01:15:57,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:15:57" (1/1) ... [2019-09-08 01:15:57,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:15:57" (1/1) ... [2019-09-08 01:15:57,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:15:57" (1/1) ... [2019-09-08 01:15:57,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:15:57" (1/1) ... [2019-09-08 01:15:57,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:15:57" (1/1) ... [2019-09-08 01:15:57,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:15:57,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:15:57,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:15:57,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:15:57,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:15:57" (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 [2019-09-08 01:15:57,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:15:57,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:15:57,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-08 01:15:57,924 INFO L138 BoogieDeclarations]: Found implementation of procedure SqrtR [2019-09-08 01:15:57,924 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:15:57,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:15:57,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-09-08 01:15:57,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 01:15:57,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-08 01:15:57,925 INFO L130 BoogieDeclarations]: Found specification of procedure SqrtR [2019-09-08 01:15:57,925 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:15:57,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:15:57,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:15:58,123 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:15:58,124 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-08 01:15:58,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:15:58 BoogieIcfgContainer [2019-09-08 01:15:58,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:15:58,126 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:15:58,126 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:15:58,130 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:15:58,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:15:57" (1/3) ... [2019-09-08 01:15:58,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e594fe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:15:58, skipping insertion in model container [2019-09-08 01:15:58,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:15:57" (2/3) ... [2019-09-08 01:15:58,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e594fe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:15:58, skipping insertion in model container [2019-09-08 01:15:58,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:15:58" (3/3) ... [2019-09-08 01:15:58,133 INFO L109 eAbstractionObserver]: Analyzing ICFG sqrt_biNewton_pseudoconstant.c [2019-09-08 01:15:58,143 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:15:58,151 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 01:15:58,182 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 01:15:58,222 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:15:58,223 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:15:58,223 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:15:58,224 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:15:58,224 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:15:58,224 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:15:58,224 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:15:58,225 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:15:58,225 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:15:58,249 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2019-09-08 01:15:58,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-09-08 01:15:58,257 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:15:58,259 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:15:58,261 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:15:58,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:15:58,267 INFO L82 PathProgramCache]: Analyzing trace with hash -995072322, now seen corresponding path program 1 times [2019-09-08 01:15:58,269 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:15:58,270 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:15:58,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:15:58,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:15:58,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:15:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:15:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:15:58,414 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 01:15:58,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:15:58 BoogieIcfgContainer [2019-09-08 01:15:58,438 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 01:15:58,442 INFO L168 Benchmark]: Toolchain (without parser) took 1033.64 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 86.4 MB in the beginning and 147.9 MB in the end (delta: -61.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-08 01:15:58,443 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 01:15:58,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.04 ms. Allocated memory is still 138.4 MB. Free memory was 86.2 MB in the beginning and 75.7 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-09-08 01:15:58,446 INFO L168 Benchmark]: Boogie Preprocessor took 143.04 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 75.7 MB in the beginning and 175.6 MB in the end (delta: -99.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-09-08 01:15:58,447 INFO L168 Benchmark]: RCFGBuilder took 254.30 ms. Allocated memory is still 198.7 MB. Free memory was 175.6 MB in the beginning and 161.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-09-08 01:15:58,448 INFO L168 Benchmark]: TraceAbstraction took 312.04 ms. Allocated memory is still 198.7 MB. Free memory was 161.7 MB in the beginning and 147.9 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2019-09-08 01:15:58,454 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 320.04 ms. Allocated memory is still 138.4 MB. Free memory was 86.2 MB in the beginning and 75.7 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 143.04 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 75.7 MB in the beginning and 175.6 MB in the end (delta: -99.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 254.30 ms. Allocated memory is still 198.7 MB. Free memory was 175.6 MB in the beginning and 161.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 312.04 ms. Allocated memory is still 198.7 MB. Free memory was 161.7 MB in the beginning and 147.9 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 8]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 48, overapproximation of someUnaryDOUBLEoperation at line 20, overapproximation of someBinaryArithmeticDOUBLEoperation at line 33. Possible FailurePath: [L10] double _EPS = 1e-6; VAL [\old(_EPS)=1, _EPS=1/1000000] [L38] double d, dd, r; [L39] double epsilon = 1e-8; [L41] d = 1. VAL [_EPS=1/1000000, d=1, epsilon=1/100000000] [L41] COND TRUE d <= 20. [L43] dd = __VERIFIER_nondet_double() [L46] CALL, EXPR SqrtR(dd) VAL [\old(Input)=2, _EPS=1/1000000] [L14] double xn, xnp1, residu, lsup, linf; [L15] int i, cond; VAL [\old(Input)=2, _EPS=1/1000000, Input=2] [L16] COND TRUE Input <= 1.0 [L16] xn = 1.0 VAL [\old(Input)=2, _EPS=1/1000000, Input=2, xn=1] [L17] xnp1 = xn [L18] residu = 2.0*_EPS*(xn+xnp1) [L19] lsup = _EPS * (xn+xnp1) [L20] linf = -lsup [L21] cond = ((residu > lsup) || (residu < linf)) [L22] i = 0 VAL [\old(Input)=2, _EPS=1/1000000, cond=0, i=0, Input=2, xn=1, xn=1] [L23] COND FALSE !(\read(cond)) VAL [\old(Input)=2, _EPS=1/1000000, cond=0, i=0, Input=2, xn=1, xn=1] [L33] return 1.0 / xnp1; VAL [\old(Input)=2, _EPS=1/1000000, cond=0, i=0, Input=2, xn=1, xn=1] [L46] RET, EXPR SqrtR(dd) VAL [_EPS=1/1000000, d=1, d=2, epsilon=1/100000000, SqrtR(dd)=3] [L46] r = SqrtR(dd) [L48] CALL __VERIFIER_assert(r >= 0.9 && r <= 5.) VAL [\old(cond)=0, _EPS=1/1000000] [L8] COND TRUE !(cond) VAL [\old(cond)=0, _EPS=1/1000000, cond=0] [L8] __VERIFIER_error() VAL [\old(cond)=0, _EPS=1/1000000, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 29 locations, 1 error locations. UNSAFE Result, 0.2s 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=29occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 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...