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/float-benchs/nan_float_range_true-unreach-call_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2c62905 [2018-09-19 15:46:10,628 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 15:46:10,630 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 15:46:10,642 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 15:46:10,642 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 15:46:10,643 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 15:46:10,645 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 15:46:10,646 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 15:46:10,648 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 15:46:10,649 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 15:46:10,650 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 15:46:10,650 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 15:46:10,651 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 15:46:10,652 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 15:46:10,654 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 15:46:10,654 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 15:46:10,655 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 15:46:10,657 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 15:46:10,659 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 15:46:10,661 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 15:46:10,662 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 15:46:10,663 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 15:46:10,666 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-19 15:46:10,684 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 15:46:10,718 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 15:46:10,718 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 15:46:10,719 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 15:46:10,720 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-19 15:46:10,721 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-19 15:46:10,721 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-19 15:46:10,722 INFO L133 SettingsManager]: * Use SBE=true [2018-09-19 15:46:10,722 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 15:46:10,722 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-19 15:46:10,722 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-19 15:46:10,724 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 15:46:10,724 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 15:46:10,724 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 15:46:10,724 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 15:46:10,725 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-19 15:46:10,725 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-19 15:46:10,725 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-19 15:46:10,725 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 15:46:10,725 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 15:46:10,726 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 15:46:10,726 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 15:46:10,726 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 15:46:10,726 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 15:46:10,726 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 15:46:10,727 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 15:46:10,727 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 15:46:10,727 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 15:46:10,727 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-19 15:46:10,730 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 15:46:10,730 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-19 15:46:10,730 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-19 15:46:10,730 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 15:46:10,808 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 15:46:10,826 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 15:46:10,830 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 15:46:10,832 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 15:46:10,832 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 15:46:10,833 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/nan_float_range_true-unreach-call_true-termination.c [2018-09-19 15:46:11,191 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbfc54e5e/6d40689538ac4dbf8a54e1151c8e5cb8/FLAGbd3c03b60 [2018-09-19 15:46:11,349 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 15:46:11,350 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/nan_float_range_true-unreach-call_true-termination.c [2018-09-19 15:46:11,356 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbfc54e5e/6d40689538ac4dbf8a54e1151c8e5cb8/FLAGbd3c03b60 [2018-09-19 15:46:11,371 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbfc54e5e/6d40689538ac4dbf8a54e1151c8e5cb8 [2018-09-19 15:46:11,381 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 15:46:11,385 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-19 15:46:11,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 15:46:11,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 15:46:11,393 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 15:46:11,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:46:11" (1/1) ... [2018-09-19 15:46:11,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e85618f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:46:11, skipping insertion in model container [2018-09-19 15:46:11,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:46:11" (1/1) ... [2018-09-19 15:46:11,410 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 15:46:11,612 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 15:46:11,636 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 15:46:11,640 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 15:46:11,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:46:11 WrapperNode [2018-09-19 15:46:11,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 15:46:11,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 15:46:11,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 15:46:11,659 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 15:46:11,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:46:11" (1/1) ... [2018-09-19 15:46:11,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:46:11" (1/1) ... [2018-09-19 15:46:11,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:46:11" (1/1) ... [2018-09-19 15:46:11,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:46:11" (1/1) ... [2018-09-19 15:46:11,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:46:11" (1/1) ... [2018-09-19 15:46:11,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:46:11" (1/1) ... [2018-09-19 15:46:11,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:46:11" (1/1) ... [2018-09-19 15:46:11,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 15:46:11,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 15:46:11,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 15:46:11,694 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 15:46:11,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:46:11" (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 15:46:11,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 15:46:11,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 15:46:11,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-19 15:46:11,762 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 15:46:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-19 15:46:11,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-19 15:46:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-19 15:46:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 15:46:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 15:46:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 15:46:12,156 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 15:46:12,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:46:12 BoogieIcfgContainer [2018-09-19 15:46:12,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 15:46:12,158 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 15:46:12,158 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 15:46:12,162 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 15:46:12,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 03:46:11" (1/3) ... [2018-09-19 15:46:12,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@313502d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:46:12, skipping insertion in model container [2018-09-19 15:46:12,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:46:11" (2/3) ... [2018-09-19 15:46:12,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@313502d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:46:12, skipping insertion in model container [2018-09-19 15:46:12,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:46:12" (3/3) ... [2018-09-19 15:46:12,166 INFO L112 eAbstractionObserver]: Analyzing ICFG nan_float_range_true-unreach-call_true-termination.c [2018-09-19 15:46:12,176 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 15:46:12,183 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 15:46:12,230 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 15:46:12,231 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 15:46:12,231 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 15:46:12,231 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 15:46:12,231 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 15:46:12,231 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 15:46:12,232 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 15:46:12,232 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 15:46:12,232 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 15:46:12,252 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-09-19 15:46:12,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-19 15:46:12,258 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 15:46:12,259 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 15:46:12,262 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 15:46:12,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1736771137, now seen corresponding path program 1 times [2018-09-19 15:46:12,273 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 15:46:12,273 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) [2018-09-19 15:46:12,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-19 15:46:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 15:46:12,337 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 15:46:12,635 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-09-19 15:46:13,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-19 15:46:13,277 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 15:46:13,288 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 15:46:13,289 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-19 15:46:13,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-19 15:46:13,308 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-19 15:46:13,309 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-19 15:46:13,312 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 5 states. [2018-09-19 15:46:13,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 15:46:13,930 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2018-09-19 15:46:13,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-19 15:46:13,937 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-09-19 15:46:13,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 15:46:13,944 INFO L225 Difference]: With dead ends: 28 [2018-09-19 15:46:13,945 INFO L226 Difference]: Without dead ends: 0 [2018-09-19 15:46:13,949 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-19 15:46:13,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-19 15:46:13,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-19 15:46:13,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-19 15:46:13,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-19 15:46:13,976 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-09-19 15:46:13,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 15:46:13,977 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-19 15:46:13,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-19 15:46:13,977 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-19 15:46:13,977 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-19 15:46:13,983 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-19 15:46:14,212 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-09-19 15:46:14,215 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-09-19 15:46:14,215 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-19 15:46:14,215 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-19 15:46:14,215 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-19 15:46:14,216 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-19 15:46:14,216 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-19 15:46:14,216 INFO L422 ceAbstractionStarter]: At program point L14(line 14) the Hoare annotation is: (fp.geq ((_ to_fp 11 53) RNE main_~x~0) (fp.neg ((_ to_fp 11 53) RNE 10000000000.0))) [2018-09-19 15:46:14,216 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 8 17) the Hoare annotation is: true [2018-09-19 15:46:14,217 INFO L426 ceAbstractionStarter]: For program point L13(lines 13 15) no Hoare annotation was computed. [2018-09-19 15:46:14,217 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 8 17) no Hoare annotation was computed. [2018-09-19 15:46:14,217 INFO L426 ceAbstractionStarter]: For program point L13-1(lines 13 15) no Hoare annotation was computed. [2018-09-19 15:46:14,217 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 8 17) no Hoare annotation was computed. [2018-09-19 15:46:14,219 INFO L429 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 6) the Hoare annotation is: true [2018-09-19 15:46:14,219 INFO L426 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 6) no Hoare annotation was computed. [2018-09-19 15:46:14,219 INFO L426 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2018-09-19 15:46:14,219 INFO L426 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2018-09-19 15:46:14,220 INFO L426 ceAbstractionStarter]: For program point L6-1(line 6) no Hoare annotation was computed. [2018-09-19 15:46:14,220 INFO L426 ceAbstractionStarter]: For program point L6-3(line 6) no Hoare annotation was computed. [2018-09-19 15:46:14,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 03:46:14 BoogieIcfgContainer [2018-09-19 15:46:14,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 15:46:14,228 INFO L168 Benchmark]: Toolchain (without parser) took 2843.40 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: -761.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 15:46:14,229 INFO L168 Benchmark]: CDTParser took 0.23 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 15:46:14,230 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.05 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 15:46:14,232 INFO L168 Benchmark]: Boogie Preprocessor took 35.47 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 15:46:14,233 INFO L168 Benchmark]: RCFGBuilder took 463.32 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: -811.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2018-09-19 15:46:14,234 INFO L168 Benchmark]: TraceAbstraction took 2066.30 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: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 7.1 GB. [2018-09-19 15:46:14,239 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 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 272.05 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 35.47 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 463.32 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: -811.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2066.30 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: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 16 SDtfs, 7 SDslu, 40 SDs, 0 SdLazy, 9 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 13 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 216 SizeOfPredicates, 2 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...