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_1_3_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2c62905 [2018-09-19 15:29:50,224 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 15:29:50,226 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 15:29:50,241 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 15:29:50,241 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 15:29:50,242 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 15:29:50,244 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 15:29:50,245 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 15:29:50,248 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 15:29:50,248 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 15:29:50,249 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 15:29:50,250 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 15:29:50,251 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 15:29:50,252 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 15:29:50,253 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 15:29:50,256 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 15:29:50,257 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 15:29:50,263 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 15:29:50,269 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 15:29:50,271 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 15:29:50,274 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 15:29:50,276 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 15:29:50,281 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 15:29:50,281 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 15:29:50,285 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 15:29:50,286 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 15:29:50,289 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 15:29:50,290 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 15:29:50,291 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 15:29:50,292 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 15:29:50,295 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 15:29:50,296 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 15:29:50,296 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 15:29:50,296 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 15:29:50,297 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 15:29:50,300 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 15:29:50,300 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 15:29:50,322 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 15:29:50,322 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 15:29:50,323 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 15:29:50,323 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-19 15:29:50,324 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-19 15:29:50,324 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-19 15:29:50,324 INFO L133 SettingsManager]: * Use SBE=true [2018-09-19 15:29:50,325 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 15:29:50,325 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-19 15:29:50,325 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-19 15:29:50,325 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 15:29:50,325 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 15:29:50,326 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 15:29:50,326 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 15:29:50,326 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-19 15:29:50,326 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-19 15:29:50,326 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-19 15:29:50,327 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 15:29:50,327 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 15:29:50,327 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 15:29:50,327 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 15:29:50,328 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 15:29:50,328 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 15:29:50,328 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 15:29:50,328 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 15:29:50,328 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 15:29:50,329 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 15:29:50,329 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-19 15:29:50,329 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 15:29:50,329 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-19 15:29:50,329 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-19 15:29:50,330 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 15:29:50,375 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 15:29:50,392 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 15:29:50,397 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 15:29:50,399 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 15:29:50,399 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 15:29:50,400 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_1_3_true-unreach-call_true-termination.i [2018-09-19 15:29:50,794 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ea5206f2/8b8c9287113b49b3906cbc40fbf53e1d/FLAG1c4495a95 [2018-09-19 15:29:50,965 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 15:29:50,966 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_1_3_true-unreach-call_true-termination.i [2018-09-19 15:29:50,974 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ea5206f2/8b8c9287113b49b3906cbc40fbf53e1d/FLAG1c4495a95 [2018-09-19 15:29:50,996 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ea5206f2/8b8c9287113b49b3906cbc40fbf53e1d [2018-09-19 15:29:51,007 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 15:29:51,010 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-19 15:29:51,011 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 15:29:51,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 15:29:51,018 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 15:29:51,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:29:50" (1/1) ... [2018-09-19 15:29:51,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@762f4698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:29:51, skipping insertion in model container [2018-09-19 15:29:51,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:29:50" (1/1) ... [2018-09-19 15:29:51,036 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 15:29:51,296 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 15:29:51,316 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 15:29:51,330 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 15:29:51,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:29:51 WrapperNode [2018-09-19 15:29:51,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 15:29:51,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 15:29:51,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 15:29:51,359 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 15:29:51,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:29:51" (1/1) ... [2018-09-19 15:29:51,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:29:51" (1/1) ... [2018-09-19 15:29:51,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:29:51" (1/1) ... [2018-09-19 15:29:51,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:29:51" (1/1) ... [2018-09-19 15:29:51,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:29:51" (1/1) ... [2018-09-19 15:29:51,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:29:51" (1/1) ... [2018-09-19 15:29:51,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:29:51" (1/1) ... [2018-09-19 15:29:51,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 15:29:51,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 15:29:51,424 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 15:29:51,424 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 15:29:51,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:29:51" (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 15:29:51,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 15:29:51,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 15:29:51,508 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-09-19 15:29:51,508 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2018-09-19 15:29:51,508 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 15:29:51,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-19 15:29:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-09-19 15:29:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-19 15:29:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-09-19 15:29:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2018-09-19 15:29:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 15:29:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 15:29:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 15:29:57,675 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 15:29:57,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:29:57 BoogieIcfgContainer [2018-09-19 15:29:57,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 15:29:57,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 15:29:57,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 15:29:57,684 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 15:29:57,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 03:29:50" (1/3) ... [2018-09-19 15:29:57,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76f9fa80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:29:57, skipping insertion in model container [2018-09-19 15:29:57,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:29:51" (2/3) ... [2018-09-19 15:29:57,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76f9fa80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:29:57, skipping insertion in model container [2018-09-19 15:29:57,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:29:57" (3/3) ... [2018-09-19 15:29:57,688 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_3_true-unreach-call_true-termination.i [2018-09-19 15:29:57,699 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 15:29:57,707 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 15:29:57,760 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 15:29:57,761 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 15:29:57,761 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 15:29:57,761 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 15:29:57,762 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 15:29:57,762 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 15:29:57,762 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 15:29:57,762 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 15:29:57,763 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 15:29:57,784 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-09-19 15:29:57,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-19 15:29:57,791 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 15:29:57,792 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 15:29:57,795 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 15:29:57,800 INFO L82 PathProgramCache]: Analyzing trace with hash -1667394832, now seen corresponding path program 1 times [2018-09-19 15:29:57,806 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 15:29:57,807 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 15:29:57,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown