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-newlib/double_req_bl_1092a_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2c62905 [2018-09-19 16:18:12,781 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 16:18:12,783 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 16:18:12,800 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 16:18:12,801 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 16:18:12,802 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 16:18:12,804 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 16:18:12,807 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 16:18:12,810 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 16:18:12,812 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 16:18:12,813 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 16:18:12,813 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 16:18:12,815 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 16:18:12,818 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 16:18:12,820 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 16:18:12,821 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 16:18:12,828 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 16:18:12,833 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 16:18:12,835 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 16:18:12,839 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 16:18:12,840 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 16:18:12,843 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 16:18:12,845 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 16:18:12,849 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 16:18:12,850 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 16:18:12,851 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 16:18:12,852 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 16:18:12,852 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 16:18:12,853 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 16:18:12,856 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 16:18:12,856 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 16:18:12,858 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 16:18:12,860 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 16:18:12,860 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 16:18:12,861 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 16:18:12,863 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 16:18:12,863 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 16:18:12,894 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 16:18:12,895 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 16:18:12,896 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 16:18:12,896 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-19 16:18:12,899 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-19 16:18:12,899 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-19 16:18:12,900 INFO L133 SettingsManager]: * Use SBE=true [2018-09-19 16:18:12,900 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 16:18:12,900 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-19 16:18:12,900 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-19 16:18:12,900 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 16:18:12,901 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 16:18:12,901 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 16:18:12,901 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 16:18:12,901 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-19 16:18:12,903 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-19 16:18:12,903 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-19 16:18:12,903 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 16:18:12,903 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 16:18:12,904 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 16:18:12,905 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 16:18:12,905 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 16:18:12,905 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 16:18:12,905 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 16:18:12,906 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 16:18:12,906 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 16:18:12,906 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 16:18:12,906 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-19 16:18:12,907 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 16:18:12,907 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-19 16:18:12,907 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-19 16:18:12,907 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 16:18:12,979 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 16:18:12,994 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 16:18:12,997 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 16:18:12,998 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 16:18:12,998 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 16:18:12,999 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1092a_true-unreach-call.c [2018-09-19 16:18:13,336 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c765ef479/6025b8babb0b4b83bcc68474bfdc6f64/FLAGaa43aedd3 [2018-09-19 16:18:13,472 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 16:18:13,473 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1092a_true-unreach-call.c [2018-09-19 16:18:13,479 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c765ef479/6025b8babb0b4b83bcc68474bfdc6f64/FLAGaa43aedd3 [2018-09-19 16:18:13,494 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c765ef479/6025b8babb0b4b83bcc68474bfdc6f64 [2018-09-19 16:18:13,503 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 16:18:13,507 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-19 16:18:13,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 16:18:13,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 16:18:13,515 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 16:18:13,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:18:13" (1/1) ... [2018-09-19 16:18:13,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48677be0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:13, skipping insertion in model container [2018-09-19 16:18:13,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:18:13" (1/1) ... [2018-09-19 16:18:13,532 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 16:18:13,773 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 16:18:13,794 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 16:18:13,821 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 16:18:13,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:13 WrapperNode [2018-09-19 16:18:13,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 16:18:13,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 16:18:13,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 16:18:13,863 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 16:18:13,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:13" (1/1) ... [2018-09-19 16:18:13,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:13" (1/1) ... [2018-09-19 16:18:13,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:13" (1/1) ... [2018-09-19 16:18:13,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:13" (1/1) ... [2018-09-19 16:18:13,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:13" (1/1) ... [2018-09-19 16:18:13,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:13" (1/1) ... [2018-09-19 16:18:13,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:13" (1/1) ... [2018-09-19 16:18:13,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 16:18:13,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 16:18:13,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 16:18:13,915 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 16:18:13,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:13" (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 16:18:14,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 16:18:14,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 16:18:14,054 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-09-19 16:18:14,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_double [2018-09-19 16:18:14,054 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 16:18:14,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-19 16:18:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-09-19 16:18:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_double [2018-09-19 16:18:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-19 16:18:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-19 16:18:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-19 16:18:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-19 16:18:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-19 16:18:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-19 16:18:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 16:18:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 16:18:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 16:18:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-19 16:18:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-19 16:18:14,331 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:18:14,386 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:18:14,426 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:18:15,834 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 16:18:15,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:18:15 BoogieIcfgContainer [2018-09-19 16:18:15,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 16:18:15,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 16:18:15,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 16:18:15,839 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 16:18:15,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 04:18:13" (1/3) ... [2018-09-19 16:18:15,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fd4f9d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:18:15, skipping insertion in model container [2018-09-19 16:18:15,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:18:13" (2/3) ... [2018-09-19 16:18:15,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fd4f9d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:18:15, skipping insertion in model container [2018-09-19 16:18:15,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:18:15" (3/3) ... [2018-09-19 16:18:15,843 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a_true-unreach-call.c [2018-09-19 16:18:15,853 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 16:18:15,862 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 16:18:15,914 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 16:18:15,915 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 16:18:15,915 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 16:18:15,915 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 16:18:15,915 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 16:18:15,916 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 16:18:15,917 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 16:18:15,917 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 16:18:15,917 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 16:18:15,937 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states. [2018-09-19 16:18:15,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-19 16:18:15,945 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:18:15,946 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 16:18:15,949 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:18:15,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1001944266, now seen corresponding path program 1 times [2018-09-19 16:18:15,960 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:18:15,960 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 16:18:15,975 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 16:18:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:18:16,064 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:18:16,083 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 16:18:16,084 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:18:16,097 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:18:16,098 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-19 16:18:16,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-19 16:18:16,118 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-19 16:18:16,119 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-19 16:18:16,121 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 2 states. [2018-09-19 16:18:16,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:18:16,148 INFO L93 Difference]: Finished difference Result 120 states and 158 transitions. [2018-09-19 16:18:16,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-19 16:18:16,152 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-09-19 16:18:16,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:18:16,165 INFO L225 Difference]: With dead ends: 120 [2018-09-19 16:18:16,165 INFO L226 Difference]: Without dead ends: 60 [2018-09-19 16:18:16,169 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-19 16:18:16,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-09-19 16:18:16,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-09-19 16:18:16,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-09-19 16:18:16,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 74 transitions. [2018-09-19 16:18:16,215 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 74 transitions. Word has length 18 [2018-09-19 16:18:16,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:18:16,215 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 74 transitions. [2018-09-19 16:18:16,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-19 16:18:16,216 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2018-09-19 16:18:16,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-19 16:18:16,217 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:18:16,217 INFO L376 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] [2018-09-19 16:18:16,218 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:18:16,218 INFO L82 PathProgramCache]: Analyzing trace with hash -262001498, now seen corresponding path program 1 times [2018-09-19 16:18:16,219 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:18:16,219 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-19 16:18:16,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:18:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:18:16,301 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:18:16,518 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-19 16:18:16,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-19 16:18:16,524 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:18:16,550 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:18:16,608 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-19 16:18:16,609 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-19 16:18:16,673 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-19 16:18:16,682 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-19 16:18:16,682 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:18:16,691 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:18:16,706 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-19 16:18:16,707 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-19 16:18:17,177 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 16:18:17,178 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:18:17,191 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:18:17,192 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-19 16:18:17,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-19 16:18:17,194 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-19 16:18:17,194 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-19 16:18:17,198 INFO L87 Difference]: Start difference. First operand 60 states and 74 transitions. Second operand 9 states. [2018-09-19 16:18:18,047 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-19 16:18:18,484 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-19 16:18:24,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:18:24,412 INFO L93 Difference]: Finished difference Result 116 states and 129 transitions. [2018-09-19 16:18:24,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 16:18:24,413 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 31 [2018-09-19 16:18:24,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:18:24,417 INFO L225 Difference]: With dead ends: 116 [2018-09-19 16:18:24,417 INFO L226 Difference]: Without dead ends: 69 [2018-09-19 16:18:24,419 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=93, Invalid=327, Unknown=0, NotChecked=0, Total=420 [2018-09-19 16:18:24,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-09-19 16:18:24,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 51. [2018-09-19 16:18:24,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-09-19 16:18:24,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 57 transitions. [2018-09-19 16:18:24,429 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 57 transitions. Word has length 31 [2018-09-19 16:18:24,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:18:24,429 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 57 transitions. [2018-09-19 16:18:24,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-19 16:18:24,430 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2018-09-19 16:18:24,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-19 16:18:24,432 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:18:24,432 INFO L376 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] [2018-09-19 16:18:24,432 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:18:24,434 INFO L82 PathProgramCache]: Analyzing trace with hash -1963531185, now seen corresponding path program 1 times [2018-09-19 16:18:24,434 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:18:24,434 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-19 16:18:24,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:18:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:18:24,500 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:18:24,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-19 16:18:24,549 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-19 16:18:24,550 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:18:24,558 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:18:24,579 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-19 16:18:24,579 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-19 16:18:24,618 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-19 16:18:24,637 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-19 16:18:24,637 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:18:24,661 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:18:24,671 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-19 16:18:24,671 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-19 16:18:24,890 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 16:18:24,891 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:18:24,906 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:18:24,906 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-19 16:18:24,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-19 16:18:24,907 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-19 16:18:24,907 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-19 16:18:24,908 INFO L87 Difference]: Start difference. First operand 51 states and 57 transitions. Second operand 9 states. [2018-09-19 16:18:29,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:18:29,319 INFO L93 Difference]: Finished difference Result 103 states and 108 transitions. [2018-09-19 16:18:29,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-09-19 16:18:29,320 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 31 [2018-09-19 16:18:29,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:18:29,323 INFO L225 Difference]: With dead ends: 103 [2018-09-19 16:18:29,323 INFO L226 Difference]: Without dead ends: 62 [2018-09-19 16:18:29,324 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=93, Invalid=327, Unknown=0, NotChecked=0, Total=420 [2018-09-19 16:18:29,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-09-19 16:18:29,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 47. [2018-09-19 16:18:29,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-09-19 16:18:29,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 49 transitions. [2018-09-19 16:18:29,330 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 49 transitions. Word has length 31 [2018-09-19 16:18:29,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:18:29,330 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 49 transitions. [2018-09-19 16:18:29,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-19 16:18:29,331 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2018-09-19 16:18:29,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-19 16:18:29,332 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:18:29,332 INFO L376 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] [2018-09-19 16:18:29,332 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:18:29,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1759812404, now seen corresponding path program 1 times [2018-09-19 16:18:29,333 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:18:29,333 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-09-19 16:18:29,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:18:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:18:29,481 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:18:32,989 WARN L178 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 11 [2018-09-19 16:18:33,020 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 16:18:33,020 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:18:33,035 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:18:33,035 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-19 16:18:33,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 16:18:33,036 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 16:18:33,037 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-09-19 16:18:33,038 INFO L87 Difference]: Start difference. First operand 47 states and 49 transitions. Second operand 6 states. [2018-09-19 16:18:37,121 WARN L178 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 13 [2018-09-19 16:18:39,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:18:39,031 INFO L93 Difference]: Finished difference Result 66 states and 67 transitions. [2018-09-19 16:18:39,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-19 16:18:39,041 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2018-09-19 16:18:39,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:18:39,043 INFO L225 Difference]: With dead ends: 66 [2018-09-19 16:18:39,043 INFO L226 Difference]: Without dead ends: 47 [2018-09-19 16:18:39,044 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-09-19 16:18:39,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-09-19 16:18:39,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-09-19 16:18:39,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-09-19 16:18:39,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2018-09-19 16:18:39,049 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 44 [2018-09-19 16:18:39,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:18:39,050 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2018-09-19 16:18:39,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 16:18:39,050 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-09-19 16:18:39,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-19 16:18:39,052 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:18:39,052 INFO L376 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] [2018-09-19 16:18:39,052 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:18:39,052 INFO L82 PathProgramCache]: Analyzing trace with hash 623561467, now seen corresponding path program 1 times [2018-09-19 16:18:39,053 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:18:39,053 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-09-19 16:18:39,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:18:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:18:39,231 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:18:39,269 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-09-19 16:18:39,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-09-19 16:18:39,274 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:18:39,279 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:18:39,293 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:18:39,294 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:17, output treesize:13 [2018-09-19 16:18:39,479 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2018-09-19 16:18:39,518 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:18:39,543 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:18:39,545 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 35 [2018-09-19 16:18:39,546 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:18:39,675 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:18:39,693 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:18:39,694 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-09-19 16:18:39,730 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 48 [2018-09-19 16:18:39,748 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:18:39,749 INFO L700 Elim1Store]: detected not equals via solver [2018-09-19 16:18:39,751 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 22 [2018-09-19 16:18:39,752 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:18:39,764 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:18:39,767 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:18:39,768 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:64, output treesize:15 [2018-09-19 16:18:39,951 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 16:18:39,951 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:18:39,977 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:18:39,978 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 16:18:39,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 16:18:39,978 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 16:18:39,979 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-09-19 16:18:39,979 INFO L87 Difference]: Start difference. First operand 47 states and 48 transitions. Second operand 11 states. [2018-09-19 16:18:40,868 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-09-19 16:18:40,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:18:40,974 INFO L93 Difference]: Finished difference Result 66 states and 66 transitions. [2018-09-19 16:18:40,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 16:18:40,979 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 45 [2018-09-19 16:18:40,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:18:40,980 INFO L225 Difference]: With dead ends: 66 [2018-09-19 16:18:40,980 INFO L226 Difference]: Without dead ends: 47 [2018-09-19 16:18:40,981 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2018-09-19 16:18:40,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-09-19 16:18:40,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-09-19 16:18:40,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-09-19 16:18:40,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2018-09-19 16:18:40,987 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 45 [2018-09-19 16:18:40,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:18:40,988 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2018-09-19 16:18:40,988 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 16:18:40,988 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2018-09-19 16:18:40,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-19 16:18:40,989 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:18:40,990 INFO L376 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] [2018-09-19 16:18:40,990 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:18:40,990 INFO L82 PathProgramCache]: Analyzing trace with hash -2005267350, now seen corresponding path program 1 times [2018-09-19 16:18:40,991 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:18:40,991 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-09-19 16:18:41,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:18:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:18:41,141 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:18:41,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-09-19 16:18:41,228 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-19 16:18:41,229 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:18:41,234 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:18:41,251 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-19 16:18:41,252 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-19 16:18:41,295 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2018-09-19 16:18:41,300 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-19 16:18:41,300 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:18:41,304 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:18:41,316 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-19 16:18:41,317 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-19 16:18:41,574 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 16:18:41,575 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:18:41,590 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:18:41,591 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-19 16:18:41,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-19 16:18:41,591 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-19 16:18:41,592 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-19 16:18:41,592 INFO L87 Difference]: Start difference. First operand 47 states and 47 transitions. Second operand 8 states. [2018-09-19 16:18:44,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:18:44,225 INFO L93 Difference]: Finished difference Result 62 states and 62 transitions. [2018-09-19 16:18:44,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-19 16:18:44,226 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 46 [2018-09-19 16:18:44,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:18:44,226 INFO L225 Difference]: With dead ends: 62 [2018-09-19 16:18:44,227 INFO L226 Difference]: Without dead ends: 0 [2018-09-19 16:18:44,228 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2018-09-19 16:18:44,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-19 16:18:44,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-19 16:18:44,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-19 16:18:44,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-19 16:18:44,230 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2018-09-19 16:18:44,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:18:44,230 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-19 16:18:44,230 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-19 16:18:44,230 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-19 16:18:44,230 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-19 16:18:44,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-19 16:18:44,564 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 11 [2018-09-19 16:18:44,756 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 10 [2018-09-19 16:18:44,758 INFO L426 ceAbstractionStarter]: For program point isnan_doubleENTRY(line 15) no Hoare annotation was computed. [2018-09-19 16:18:44,758 INFO L426 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 15) no Hoare annotation was computed. [2018-09-19 16:18:44,758 INFO L426 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 15) no Hoare annotation was computed. [2018-09-19 16:18:44,759 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-19 16:18:44,759 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-19 16:18:44,759 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-19 16:18:44,759 INFO L426 ceAbstractionStarter]: For program point L60(lines 60 72) no Hoare annotation was computed. [2018-09-19 16:18:44,759 INFO L426 ceAbstractionStarter]: For program point L52(lines 52 55) no Hoare annotation was computed. [2018-09-19 16:18:44,759 INFO L426 ceAbstractionStarter]: For program point L77(line 77) no Hoare annotation was computed. [2018-09-19 16:18:44,759 INFO L426 ceAbstractionStarter]: For program point L44(lines 44 49) no Hoare annotation was computed. [2018-09-19 16:18:44,759 INFO L426 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2018-09-19 16:18:44,760 INFO L426 ceAbstractionStarter]: For program point L61-1(lines 61 70) no Hoare annotation was computed. [2018-09-19 16:18:44,760 INFO L426 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-09-19 16:18:44,760 INFO L426 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-09-19 16:18:44,760 INFO L426 ceAbstractionStarter]: For program point L78-1(line 78) no Hoare annotation was computed. [2018-09-19 16:18:44,760 INFO L426 ceAbstractionStarter]: For program point L78-2(line 78) no Hoare annotation was computed. [2018-09-19 16:18:44,760 INFO L426 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2018-09-19 16:18:44,760 INFO L426 ceAbstractionStarter]: For program point L78-3(line 78) no Hoare annotation was computed. [2018-09-19 16:18:44,761 INFO L426 ceAbstractionStarter]: For program point L62(lines 62 69) no Hoare annotation was computed. [2018-09-19 16:18:44,761 INFO L426 ceAbstractionStarter]: For program point L29(lines 29 73) no Hoare annotation was computed. [2018-09-19 16:18:44,761 INFO L429 ceAbstractionStarter]: At program point ceil_doubleENTRY(lines 19 81) the Hoare annotation is: true [2018-09-19 16:18:44,761 INFO L426 ceAbstractionStarter]: For program point ceil_doubleFINAL(lines 19 81) no Hoare annotation was computed. [2018-09-19 16:18:44,761 INFO L426 ceAbstractionStarter]: For program point ceil_doubleEXIT(lines 19 81) no Hoare annotation was computed. [2018-09-19 16:18:44,761 INFO L426 ceAbstractionStarter]: For program point L30(lines 30 50) no Hoare annotation was computed. [2018-09-19 16:18:44,762 INFO L426 ceAbstractionStarter]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2018-09-19 16:18:44,762 INFO L422 ceAbstractionStarter]: At program point L22-3(lines 22 27) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) RNE 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0)) (= |ceil_double_#in~x| ceil_double_~x)) [2018-09-19 16:18:44,762 INFO L426 ceAbstractionStarter]: For program point L22-4(lines 22 27) no Hoare annotation was computed. [2018-09-19 16:18:44,762 INFO L426 ceAbstractionStarter]: For program point L31(lines 31 39) no Hoare annotation was computed. [2018-09-19 16:18:44,762 INFO L426 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-09-19 16:18:44,762 INFO L426 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2018-09-19 16:18:44,763 INFO L426 ceAbstractionStarter]: For program point L23-2(line 23) no Hoare annotation was computed. [2018-09-19 16:18:44,763 INFO L426 ceAbstractionStarter]: For program point L23-3(line 23) no Hoare annotation was computed. [2018-09-19 16:18:44,763 INFO L426 ceAbstractionStarter]: For program point L32(lines 32 38) no Hoare annotation was computed. [2018-09-19 16:18:44,763 INFO L426 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-09-19 16:18:44,763 INFO L426 ceAbstractionStarter]: For program point L74(lines 74 79) no Hoare annotation was computed. [2018-09-19 16:18:44,763 INFO L426 ceAbstractionStarter]: For program point L74-2(lines 19 81) no Hoare annotation was computed. [2018-09-19 16:18:44,763 INFO L426 ceAbstractionStarter]: For program point L74-3(lines 74 79) no Hoare annotation was computed. [2018-09-19 16:18:44,763 INFO L426 ceAbstractionStarter]: For program point L66(lines 66 67) no Hoare annotation was computed. [2018-09-19 16:18:44,764 INFO L426 ceAbstractionStarter]: For program point L66-2(lines 66 67) no Hoare annotation was computed. [2018-09-19 16:18:44,764 INFO L426 ceAbstractionStarter]: For program point L58(lines 58 59) no Hoare annotation was computed. [2018-09-19 16:18:44,764 INFO L426 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-09-19 16:18:44,764 INFO L426 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2018-09-19 16:18:44,764 INFO L426 ceAbstractionStarter]: For program point L25-2(line 25) no Hoare annotation was computed. [2018-09-19 16:18:44,764 INFO L426 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2018-09-19 16:18:44,764 INFO L426 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-09-19 16:18:44,764 INFO L426 ceAbstractionStarter]: For program point L75-1(line 75) no Hoare annotation was computed. [2018-09-19 16:18:44,764 INFO L426 ceAbstractionStarter]: For program point L75-2(line 75) no Hoare annotation was computed. [2018-09-19 16:18:44,764 INFO L426 ceAbstractionStarter]: For program point L75-3(line 75) no Hoare annotation was computed. [2018-09-19 16:18:44,765 INFO L426 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-09-19 16:18:44,765 INFO L426 ceAbstractionStarter]: For program point L26-1(line 26) no Hoare annotation was computed. [2018-09-19 16:18:44,765 INFO L426 ceAbstractionStarter]: For program point L26-2(line 26) no Hoare annotation was computed. [2018-09-19 16:18:44,765 INFO L426 ceAbstractionStarter]: For program point L26-3(line 26) no Hoare annotation was computed. [2018-09-19 16:18:44,765 INFO L426 ceAbstractionStarter]: For program point L51(lines 51 73) no Hoare annotation was computed. [2018-09-19 16:18:44,765 INFO L426 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-09-19 16:18:44,765 INFO L426 ceAbstractionStarter]: For program point L35(lines 35 38) no Hoare annotation was computed. [2018-09-19 16:18:44,765 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-19 16:18:44,766 INFO L422 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= ((_ to_fp 11 53) RNE 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0) [2018-09-19 16:18:44,766 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-19 16:18:44,766 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-19 16:18:44,766 INFO L426 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-09-19 16:18:44,766 INFO L426 ceAbstractionStarter]: For program point L95(lines 95 98) no Hoare annotation was computed. [2018-09-19 16:18:44,766 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 83 101) the Hoare annotation is: true [2018-09-19 16:18:44,766 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 83 101) no Hoare annotation was computed. [2018-09-19 16:18:44,767 INFO L422 ceAbstractionStarter]: At program point L92(line 92) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) RNE 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0)) (= main_~x~0 (fp.neg (_ +zero 11 53)))) [2018-09-19 16:18:44,767 INFO L426 ceAbstractionStarter]: For program point L92-1(line 92) no Hoare annotation was computed. [2018-09-19 16:18:44,767 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 83 101) no Hoare annotation was computed. [2018-09-19 16:18:44,767 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 96) no Hoare annotation was computed. [2018-09-19 16:18:44,774 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:18:44,778 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:18:44,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 04:18:44 BoogieIcfgContainer [2018-09-19 16:18:44,780 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 16:18:44,781 INFO L168 Benchmark]: Toolchain (without parser) took 31277.25 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 766.5 MB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -374.6 MB). Peak memory consumption was 391.9 MB. Max. memory is 7.1 GB. [2018-09-19 16:18:44,782 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 16:18:44,783 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.36 ms. Allocated memory is still 1.6 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 16:18:44,784 INFO L168 Benchmark]: Boogie Preprocessor took 51.76 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 16:18:44,787 INFO L168 Benchmark]: RCFGBuilder took 1919.87 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 766.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -800.1 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2018-09-19 16:18:44,788 INFO L168 Benchmark]: TraceAbstraction took 28945.01 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.8 GB in the end (delta: 414.9 MB). Peak memory consumption was 414.9 MB. Max. memory is 7.1 GB. [2018-09-19 16:18:44,793 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 354.36 ms. Allocated memory is still 1.6 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 51.76 ms. Allocated memory is still 1.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 1919.87 ms. Allocated memory was 1.6 GB in the beginning and 2.3 GB in the end (delta: 766.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -800.1 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28945.01 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.8 GB in the end (delta: 414.9 MB). Peak memory consumption was 414.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 96]: 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 - InvariantResult [Line: 22]: Loop Invariant [2018-09-19 16:18:44,801 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-09-19 16:18:44,802 WARN L389 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: !(~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E300) == huge_ceil) || \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 67 locations, 1 error locations. SAFE Result, 28.8s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 21.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 294 SDtfs, 492 SDslu, 933 SDs, 0 SdLazy, 602 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 250 GetRequests, 174 SyntacticMatches, 2 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 11.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred 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, 6 MinimizatonAttempts, 33 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 8 NumberOfFragments, 30 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 34 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 215 NumberOfCodeBlocks, 215 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 209 ConstructedInterpolants, 66 QuantifiedInterpolants, 72251 SizeOfPredicates, 35 NumberOfNonLiveVariables, 437 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...