/usr/bin/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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-benchs/sqrt_poly2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 13:13:29,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 13:13:29,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 13:13:29,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 13:13:29,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 13:13:29,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 13:13:29,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 13:13:30,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 13:13:30,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 13:13:30,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 13:13:30,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 13:13:30,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 13:13:30,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 13:13:30,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 13:13:30,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 13:13:30,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 13:13:30,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 13:13:30,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 13:13:30,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 13:13:30,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 13:13:30,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 13:13:30,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 13:13:30,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 13:13:30,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 13:13:30,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 13:13:30,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 13:13:30,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 13:13:30,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 13:13:30,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 13:13:30,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 13:13:30,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 13:13:30,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 13:13:30,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 13:13:30,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 13:13:30,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 13:13:30,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 13:13:30,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 13:13:30,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 13:13:30,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 13:13:30,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 13:13:30,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 13:13:30,049 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 13:13:30,079 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 13:13:30,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 13:13:30,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 13:13:30,080 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 13:13:30,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 13:13:30,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 13:13:30,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 13:13:30,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 13:13:30,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 13:13:30,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 13:13:30,083 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 13:13:30,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 13:13:30,083 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 13:13:30,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 13:13:30,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 13:13:30,084 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 13:13:30,085 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 13:13:30,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 13:13:30,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 13:13:30,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 13:13:30,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 13:13:30,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 13:13:30,086 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-17 13:13:30,393 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 13:13:30,406 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 13:13:30,411 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 13:13:30,413 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 13:13:30,413 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 13:13:30,414 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/sqrt_poly2.c [2020-07-17 13:13:30,499 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57b89ca20/7169147722ca4c32a00f90b83dc5c8c0/FLAG4318a5515 [2020-07-17 13:13:30,919 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 13:13:30,919 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/sqrt_poly2.c [2020-07-17 13:13:30,927 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57b89ca20/7169147722ca4c32a00f90b83dc5c8c0/FLAG4318a5515 [2020-07-17 13:13:31,291 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57b89ca20/7169147722ca4c32a00f90b83dc5c8c0 [2020-07-17 13:13:31,300 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 13:13:31,303 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 13:13:31,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 13:13:31,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 13:13:31,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 13:13:31,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:13:31" (1/1) ... [2020-07-17 13:13:31,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d75de99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:31, skipping insertion in model container [2020-07-17 13:13:31,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:13:31" (1/1) ... [2020-07-17 13:13:31,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 13:13:31,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 13:13:31,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:13:31,579 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 13:13:31,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:13:31,738 INFO L208 MainTranslator]: Completed translation [2020-07-17 13:13:31,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:31 WrapperNode [2020-07-17 13:13:31,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 13:13:31,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 13:13:31,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 13:13:31,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 13:13:31,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:31" (1/1) ... [2020-07-17 13:13:31,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:31" (1/1) ... [2020-07-17 13:13:31,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:31" (1/1) ... [2020-07-17 13:13:31,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:31" (1/1) ... [2020-07-17 13:13:31,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:31" (1/1) ... [2020-07-17 13:13:31,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:31" (1/1) ... [2020-07-17 13:13:31,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:31" (1/1) ... [2020-07-17 13:13:31,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 13:13:31,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 13:13:31,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 13:13:31,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 13:13:31,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:31" (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 [2020-07-17 13:13:31,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 13:13:31,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 13:13:31,845 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-17 13:13:31,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-17 13:13:31,845 INFO L138 BoogieDeclarations]: Found implementation of procedure sqrt_custom [2020-07-17 13:13:31,845 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 13:13:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 13:13:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-07-17 13:13:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-17 13:13:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-17 13:13:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-17 13:13:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure sqrt_custom [2020-07-17 13:13:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 13:13:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-17 13:13:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 13:13:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 13:13:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-17 13:13:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 13:13:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 13:13:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 13:13:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 13:13:32,269 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 13:13:32,270 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 13:13:32,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:13:32 BoogieIcfgContainer [2020-07-17 13:13:32,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 13:13:32,276 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 13:13:32,276 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 13:13:32,279 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 13:13:32,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 01:13:31" (1/3) ... [2020-07-17 13:13:32,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4905178b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:13:32, skipping insertion in model container [2020-07-17 13:13:32,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:13:31" (2/3) ... [2020-07-17 13:13:32,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4905178b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:13:32, skipping insertion in model container [2020-07-17 13:13:32,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:13:32" (3/3) ... [2020-07-17 13:13:32,283 INFO L109 eAbstractionObserver]: Analyzing ICFG sqrt_poly2.c [2020-07-17 13:13:32,293 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 13:13:32,301 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 13:13:32,316 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 13:13:32,337 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 13:13:32,337 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 13:13:32,338 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-17 13:13:32,338 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 13:13:32,338 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 13:13:32,338 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 13:13:32,338 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 13:13:32,338 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 13:13:32,354 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-07-17 13:13:32,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-17 13:13:32,366 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:13:32,367 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] [2020-07-17 13:13:32,367 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:13:32,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:13:32,373 INFO L82 PathProgramCache]: Analyzing trace with hash 284093711, now seen corresponding path program 1 times [2020-07-17 13:13:32,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:13:32,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1135506897] [2020-07-17 13:13:32,386 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:13:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 13:13:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 13:13:32,797 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:13:32,799 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-17 13:13:32,799 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 13:13:32,800 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 13:13:32,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 01:13:32 BoogieIcfgContainer [2020-07-17 13:13:32,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 13:13:32,825 INFO L168 Benchmark]: Toolchain (without parser) took 1522.46 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 105.7 MB in the beginning and 137.9 MB in the end (delta: -32.2 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:32,827 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 147.3 MB. Free memory was 123.9 MB in the beginning and 123.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-17 13:13:32,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 435.02 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 105.3 MB in the beginning and 182.4 MB in the end (delta: -77.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:32,829 INFO L168 Benchmark]: Boogie Preprocessor took 44.71 ms. Allocated memory is still 203.9 MB. Free memory was 182.4 MB in the beginning and 180.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:32,830 INFO L168 Benchmark]: RCFGBuilder took 490.61 ms. Allocated memory is still 203.9 MB. Free memory was 180.0 MB in the beginning and 158.6 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:32,831 INFO L168 Benchmark]: TraceAbstraction took 546.74 ms. Allocated memory is still 203.9 MB. Free memory was 158.0 MB in the beginning and 137.9 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2020-07-17 13:13:32,835 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 147.3 MB. Free memory was 123.9 MB in the beginning and 123.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 435.02 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 105.3 MB in the beginning and 182.4 MB in the end (delta: -77.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.71 ms. Allocated memory is still 203.9 MB. Free memory was 182.4 MB in the beginning and 180.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 490.61 ms. Allocated memory is still 203.9 MB. Free memory was 180.0 MB in the beginning and 158.6 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 546.74 ms. Allocated memory is still 203.9 MB. Free memory was 158.0 MB in the beginning and 137.9 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 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...