java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2c62905 [2018-09-19 15:28:56,038 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 15:28:56,040 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 15:28:56,055 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 15:28:56,055 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 15:28:56,057 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 15:28:56,059 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 15:28:56,062 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 15:28:56,065 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 15:28:56,068 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 15:28:56,069 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 15:28:56,070 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 15:28:56,072 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 15:28:56,076 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 15:28:56,077 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 15:28:56,078 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 15:28:56,079 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 15:28:56,084 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 15:28:56,092 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 15:28:56,097 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 15:28:56,100 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 15:28:56,102 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 15:28:56,107 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 15:28:56,107 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 15:28:56,107 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 15:28:56,110 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 15:28:56,111 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 15:28:56,112 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 15:28:56,113 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 15:28:56,116 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 15:28:56,116 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 15:28:56,118 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 15:28:56,118 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 15:28:56,120 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 15:28:56,121 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 15:28:56,122 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 15:28:56,123 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-19 15:28:56,140 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 15:28:56,140 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 15:28:56,141 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 15:28:56,141 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-19 15:28:56,142 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-19 15:28:56,142 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-19 15:28:56,142 INFO L133 SettingsManager]: * Use SBE=true [2018-09-19 15:28:56,143 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 15:28:56,143 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-19 15:28:56,143 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-19 15:28:56,143 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 15:28:56,144 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 15:28:56,144 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 15:28:56,144 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 15:28:56,144 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-19 15:28:56,144 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-19 15:28:56,144 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-19 15:28:56,145 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 15:28:56,145 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 15:28:56,145 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 15:28:56,145 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 15:28:56,145 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 15:28:56,146 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 15:28:56,146 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 15:28:56,146 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 15:28:56,146 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 15:28:56,146 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 15:28:56,149 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-19 15:28:56,150 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 15:28:56,150 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-19 15:28:56,150 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-19 15:28:56,150 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 15:28:56,226 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 15:28:56,244 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 15:28:56,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 15:28:56,250 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 15:28:56,251 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 15:28:56,251 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i [2018-09-19 15:28:56,601 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a05899c1/e50cc4832795473bbb4b24fb8abc1e5b/FLAG4125513c9 [2018-09-19 15:28:56,718 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 15:28:56,718 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_3_7_false-unreach-call_true-termination.i [2018-09-19 15:28:56,724 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a05899c1/e50cc4832795473bbb4b24fb8abc1e5b/FLAG4125513c9 [2018-09-19 15:28:56,740 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a05899c1/e50cc4832795473bbb4b24fb8abc1e5b [2018-09-19 15:28:56,750 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 15:28:56,753 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-19 15:28:56,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 15:28:56,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 15:28:56,761 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 15:28:56,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:28:56" (1/1) ... [2018-09-19 15:28:56,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59f955d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:28:56, skipping insertion in model container [2018-09-19 15:28:56,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:28:56" (1/1) ... [2018-09-19 15:28:56,778 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 15:28:57,049 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 15:28:57,075 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 15:28:57,097 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 15:28:57,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:28:57 WrapperNode [2018-09-19 15:28:57,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 15:28:57,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 15:28:57,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 15:28:57,134 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 15:28:57,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:28:57" (1/1) ... [2018-09-19 15:28:57,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:28:57" (1/1) ... [2018-09-19 15:28:57,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:28:57" (1/1) ... [2018-09-19 15:28:57,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:28:57" (1/1) ... [2018-09-19 15:28:57,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:28:57" (1/1) ... [2018-09-19 15:28:57,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:28:57" (1/1) ... [2018-09-19 15:28:57,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:28:57" (1/1) ... [2018-09-19 15:28:57,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 15:28:57,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 15:28:57,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 15:28:57,176 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 15:28:57,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:28:57" (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 [2018-09-19 15:28:57,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 15:28:57,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 15:28:57,264 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-09-19 15:28:57,264 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-09-19 15:28:57,264 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 15:28:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-19 15:28:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-09-19 15:28:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-19 15:28:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-09-19 15:28:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-09-19 15:28:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 15:28:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 15:28:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 15:29:05,768 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 15:29:05,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:29:05 BoogieIcfgContainer [2018-09-19 15:29:05,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 15:29:05,770 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 15:29:05,770 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 15:29:05,774 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 15:29:05,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 03:28:56" (1/3) ... [2018-09-19 15:29:05,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a4a3b4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:29:05, skipping insertion in model container [2018-09-19 15:29:05,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:28:57" (2/3) ... [2018-09-19 15:29:05,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a4a3b4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:29:05, skipping insertion in model container [2018-09-19 15:29:05,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:29:05" (3/3) ... [2018-09-19 15:29:05,778 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_3_7_false-unreach-call_true-termination.i [2018-09-19 15:29:05,789 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 15:29:05,799 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 15:29:05,851 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 15:29:05,852 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 15:29:05,852 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 15:29:05,853 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 15:29:05,853 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 15:29:05,853 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 15:29:05,853 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 15:29:05,854 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 15:29:05,854 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 15:29:05,873 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-09-19 15:29:05,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-19 15:29:05,880 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 15:29:05,882 INFO L376 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 15:29:05,884 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 15:29:05,889 INFO L82 PathProgramCache]: Analyzing trace with hash 122785517, now seen corresponding path program 1 times [2018-09-19 15:29:05,895 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 15:29:05,895 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-19 15:29:05,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 15:32:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-19 15:33:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-19 15:33:02,932 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-19 15:33:02,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 03:33:02 BoogieIcfgContainer [2018-09-19 15:33:02,974 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 15:33:02,975 INFO L168 Benchmark]: Toolchain (without parser) took 246225.16 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -760.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 15:33:02,978 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 15:33:02,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 379.47 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-19 15:33:02,979 INFO L168 Benchmark]: Boogie Preprocessor took 41.14 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 15:33:02,980 INFO L168 Benchmark]: RCFGBuilder took 8593.72 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -793.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2018-09-19 15:33:02,981 INFO L168 Benchmark]: TraceAbstraction took 237204.51 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2018-09-19 15:33:02,986 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 379.47 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.14 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 8593.72 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 749.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -793.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 237204.51 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 28]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L16] float IN = __VERIFIER_nondet_float(); [L19] CALL, EXPR f(IN) VAL [\old(x)=1.2432805299758911] [L6] RET return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=1.2432805299758911, \result=0.9486472606658936, x=1.2432805299758911] [L19] EXPR f(IN) VAL [f(IN)=0.9486472606658936, IN=1.2432805299758911] [L19] CALL, EXPR fp(IN) VAL [\old(x)=1.2432805299758911] [L11] RET return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=1.2432805299758911, \result=0.3318118453025818, x=1.2432805299758911] [L19] EXPR fp(IN) VAL [f(IN)=0.9486472606658936, fp(IN)=0.3318118453025818, IN=1.2432805299758911] [L19] float x = IN - f(IN)/fp(IN); [L21] CALL, EXPR f(x) VAL [\old(x)=-1.6157110929489136] [L6] RET return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=-1.6157110929489136, \result=-1.0101959705352783, x=-1.6157110929489136] [L21] EXPR f(x) VAL [f(x)=-1.0101959705352783, IN=1.2432805299758911, x=-1.6157110929489136] [L21] CALL, EXPR fp(x) VAL [\old(x)=-1.6157110929489136] [L11] RET return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=-1.6157110929489136, \result=0.0033986587077379227, x=-1.6157110929489136] [L21] EXPR fp(x) VAL [f(x)=-1.0101959705352783, fp(x)=0.0033986587077379227, IN=1.2432805299758911, x=-1.6157110929489136] [L21] x = x - f(x)/fp(x) [L23] CALL, EXPR f(x) VAL [\old(x)=295.6180114746094] [L6] RET return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [\old(x)=295.6180114746094, \result=39164653338624, x=295.6180114746094] [L23] EXPR f(x) VAL [f(x)=39164653338624, IN=1.2432805299758911, x=295.6180114746094] [L23] CALL, EXPR fp(x) VAL [\old(x)=295.6180114746094] [L11] RET return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; VAL [\old(x)=295.6180114746094, \result=927260737536, x=295.6180114746094] [L23] EXPR fp(x) VAL [f(x)=39164653338624, fp(x)=927260737536, IN=1.2432805299758911, x=295.6180114746094] [L23] x = x - f(x)/fp(x) [L27] COND TRUE !(x < 0.1) VAL [IN=1.2432805299758911, x=253.38107299804688] [L28] __VERIFIER_error() VAL [IN=1.2432805299758911, x=253.38107299804688] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 28 locations, 1 error locations. UNSAFE Result, 237.1s OverallTime, 1 OverallIterations, 3 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred 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, 222.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 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 proved your program to be incorrect! Received shutdown request...