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/float_req_bl_0480_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2c62905 [2018-09-19 16:22:36,727 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 16:22:36,729 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 16:22:36,741 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 16:22:36,741 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 16:22:36,742 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 16:22:36,744 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 16:22:36,746 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 16:22:36,747 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 16:22:36,748 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 16:22:36,749 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 16:22:36,749 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 16:22:36,750 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 16:22:36,751 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 16:22:36,752 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 16:22:36,753 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 16:22:36,754 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 16:22:36,756 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 16:22:36,758 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 16:22:36,759 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 16:22:36,763 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 16:22:36,764 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 16:22:36,768 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-09-19 16:22:36,787 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 16:22:36,787 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 16:22:36,788 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 16:22:36,789 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 16:22:36,789 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 16:22:36,819 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 16:22:36,820 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 16:22:36,822 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 16:22:36,822 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-19 16:22:36,823 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-19 16:22:36,823 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-19 16:22:36,823 INFO L133 SettingsManager]: * Use SBE=true [2018-09-19 16:22:36,823 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 16:22:36,824 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-19 16:22:36,824 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-19 16:22:36,824 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 16:22:36,824 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 16:22:36,826 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 16:22:36,826 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 16:22:36,826 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-19 16:22:36,826 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-19 16:22:36,826 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-19 16:22:36,827 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 16:22:36,827 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 16:22:36,827 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 16:22:36,827 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 16:22:36,829 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 16:22:36,829 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 16:22:36,829 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 16:22:36,829 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 16:22:36,830 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 16:22:36,830 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 16:22:36,830 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-19 16:22:36,830 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 16:22:36,830 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-19 16:22:36,831 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-19 16:22:36,831 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 16:22:36,910 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 16:22:36,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 16:22:36,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 16:22:36,929 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 16:22:36,929 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 16:22:36,930 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0480_true-unreach-call.c [2018-09-19 16:22:37,272 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f72b9f03/f4a925df21714b2e902cb81d8fc89892/FLAGa25203f41 [2018-09-19 16:22:37,425 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 16:22:37,426 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0480_true-unreach-call.c [2018-09-19 16:22:37,436 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f72b9f03/f4a925df21714b2e902cb81d8fc89892/FLAGa25203f41 [2018-09-19 16:22:37,451 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f72b9f03/f4a925df21714b2e902cb81d8fc89892 [2018-09-19 16:22:37,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 16:22:37,464 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-19 16:22:37,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 16:22:37,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 16:22:37,472 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 16:22:37,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:22:37" (1/1) ... [2018-09-19 16:22:37,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e518ec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:37, skipping insertion in model container [2018-09-19 16:22:37,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:22:37" (1/1) ... [2018-09-19 16:22:37,488 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 16:22:37,780 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 16:22:37,802 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 16:22:37,846 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 16:22:37,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:37 WrapperNode [2018-09-19 16:22:37,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 16:22:37,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 16:22:37,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 16:22:37,904 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 16:22:37,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:37" (1/1) ... [2018-09-19 16:22:37,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:37" (1/1) ... [2018-09-19 16:22:37,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:37" (1/1) ... [2018-09-19 16:22:37,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:37" (1/1) ... [2018-09-19 16:22:37,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:37" (1/1) ... [2018-09-19 16:22:37,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:37" (1/1) ... [2018-09-19 16:22:37,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:37" (1/1) ... [2018-09-19 16:22:37,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 16:22:37,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 16:22:37,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 16:22:37,971 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 16:22:37,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:37" (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 16:22:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 16:22:38,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 16:22:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-09-19 16:22:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acosf [2018-09-19 16:22:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-09-19 16:22:38,110 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 16:22:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-19 16:22:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-19 16:22:38,110 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-09-19 16:22:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-19 16:22:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-19 16:22:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-19 16:22:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-19 16:22:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-19 16:22:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-19 16:22:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acosf [2018-09-19 16:22:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-09-19 16:22:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 16:22:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 16:22:38,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 16:22:38,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-19 16:22:38,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-19 16:22:38,395 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:22:38,439 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:22:45,486 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:22:45,506 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:22:48,866 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:22:48,872 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:22:48,897 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:22:48,906 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:22:48,913 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 16:22:48,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:22:48 BoogieIcfgContainer [2018-09-19 16:22:48,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 16:22:48,915 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 16:22:48,915 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 16:22:48,918 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 16:22:48,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 04:22:37" (1/3) ... [2018-09-19 16:22:48,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@426bd171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:22:48, skipping insertion in model container [2018-09-19 16:22:48,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:37" (2/3) ... [2018-09-19 16:22:48,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@426bd171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:22:48, skipping insertion in model container [2018-09-19 16:22:48,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:22:48" (3/3) ... [2018-09-19 16:22:48,923 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0480_true-unreach-call.c [2018-09-19 16:22:48,932 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 16:22:48,939 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 16:22:48,990 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 16:22:48,990 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 16:22:48,991 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 16:22:48,991 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 16:22:48,991 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 16:22:48,991 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 16:22:48,991 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 16:22:48,992 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 16:22:48,992 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 16:22:49,015 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2018-09-19 16:22:49,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-19 16:22:49,023 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:22:49,024 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 16:22:49,027 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:22:49,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1080794843, now seen corresponding path program 1 times [2018-09-19 16:22:49,038 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:22:49,039 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-19 16:22:49,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:22:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:22:49,155 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:22:49,177 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 16:22:49,178 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:22:49,195 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:22:49,195 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-19 16:22:49,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-19 16:22:49,216 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-19 16:22:49,217 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-19 16:22:49,220 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2018-09-19 16:22:49,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:22:49,269 INFO L93 Difference]: Finished difference Result 234 states and 303 transitions. [2018-09-19 16:22:49,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-19 16:22:49,271 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-09-19 16:22:49,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:22:49,285 INFO L225 Difference]: With dead ends: 234 [2018-09-19 16:22:49,286 INFO L226 Difference]: Without dead ends: 117 [2018-09-19 16:22:49,291 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 16:22:49,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-09-19 16:22:49,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-09-19 16:22:49,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-09-19 16:22:49,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2018-09-19 16:22:49,353 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 18 [2018-09-19 16:22:49,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:22:49,354 INFO L480 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2018-09-19 16:22:49,355 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-19 16:22:49,355 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2018-09-19 16:22:49,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-19 16:22:49,356 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:22:49,358 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] [2018-09-19 16:22:49,359 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:22:49,359 INFO L82 PathProgramCache]: Analyzing trace with hash 2059688785, now seen corresponding path program 1 times [2018-09-19 16:22:49,360 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:22:49,360 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 16:22:49,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:22:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:22:49,473 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:22:49,652 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 16:22:49,652 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:22:49,667 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:22:49,667 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-19 16:22:49,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-19 16:22:49,669 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-19 16:22:49,669 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-19 16:22:49,670 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand 5 states. [2018-09-19 16:22:58,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:22:58,691 INFO L93 Difference]: Finished difference Result 124 states and 142 transitions. [2018-09-19 16:22:58,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-19 16:22:58,958 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2018-09-19 16:22:58,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:22:58,964 INFO L225 Difference]: With dead ends: 124 [2018-09-19 16:22:58,964 INFO L226 Difference]: Without dead ends: 121 [2018-09-19 16:22:58,966 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-19 16:22:58,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-09-19 16:22:58,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-09-19 16:22:58,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-09-19 16:22:58,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 139 transitions. [2018-09-19 16:22:58,993 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 139 transitions. Word has length 27 [2018-09-19 16:22:58,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:22:58,993 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 139 transitions. [2018-09-19 16:22:58,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-19 16:22:58,996 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 139 transitions. [2018-09-19 16:22:58,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-19 16:22:58,997 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:22:58,997 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] [2018-09-19 16:22:58,998 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:22:58,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1347774830, now seen corresponding path program 1 times [2018-09-19 16:22:58,999 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:22:58,999 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) [2018-09-19 16:22:59,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-19 16:22:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:22:59,155 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:22:59,228 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 11 treesize of output 8 [2018-09-19 16:22:59,236 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 8 treesize of output 7 [2018-09-19 16:22:59,237 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:22:59,247 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:22:59,262 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:22:59,262 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-19 16:22:59,292 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 29 treesize of output 21 [2018-09-19 16:22:59,305 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 21 treesize of output 9 [2018-09-19 16:22:59,306 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:22:59,333 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:22:59,336 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 16:22:59,337 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-19 16:22:59,619 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 16:22:59,619 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:22:59,635 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:22:59,635 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-09-19 16:22:59,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-19 16:22:59,636 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-19 16:22:59,637 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-19 16:22:59,637 INFO L87 Difference]: Start difference. First operand 121 states and 139 transitions. Second operand 8 states. [2018-09-19 16:23:00,165 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-09-19 16:23:07,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:23:07,428 INFO L93 Difference]: Finished difference Result 146 states and 164 transitions. [2018-09-19 16:23:07,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-09-19 16:23:07,429 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2018-09-19 16:23:07,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:23:07,433 INFO L225 Difference]: With dead ends: 146 [2018-09-19 16:23:07,433 INFO L226 Difference]: Without dead ends: 123 [2018-09-19 16:23:07,434 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-09-19 16:23:07,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-09-19 16:23:07,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 121. [2018-09-19 16:23:07,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-09-19 16:23:07,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 138 transitions. [2018-09-19 16:23:07,447 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 138 transitions. Word has length 27 [2018-09-19 16:23:07,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:23:07,447 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 138 transitions. [2018-09-19 16:23:07,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-19 16:23:07,447 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2018-09-19 16:23:07,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-19 16:23:07,448 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:23:07,449 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] [2018-09-19 16:23:07,449 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:23:07,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1968610319, now seen corresponding path program 1 times [2018-09-19 16:23:07,450 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:23:07,450 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 16:23:07,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:23:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:23:07,717 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:23:07,748 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 11 treesize of output 8 [2018-09-19 16:23:07,752 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 8 treesize of output 7 [2018-09-19 16:23:07,753 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:23:07,756 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:23:07,769 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:23:07,769 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-19 16:23:07,789 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 29 treesize of output 21 [2018-09-19 16:23:07,800 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 21 treesize of output 9 [2018-09-19 16:23:07,801 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:23:07,804 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:23:07,808 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 16:23:07,808 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-19 16:23:07,951 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 16:23:07,952 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:23:07,969 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:23:07,970 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-19 16:23:07,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-19 16:23:07,970 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-19 16:23:07,971 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-19 16:23:07,971 INFO L87 Difference]: Start difference. First operand 121 states and 138 transitions. Second operand 9 states. [2018-09-19 16:23:14,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:23:14,670 INFO L93 Difference]: Finished difference Result 144 states and 161 transitions. [2018-09-19 16:23:14,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-19 16:23:14,671 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2018-09-19 16:23:14,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:23:14,673 INFO L225 Difference]: With dead ends: 144 [2018-09-19 16:23:14,673 INFO L226 Difference]: Without dead ends: 98 [2018-09-19 16:23:14,675 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-19 16:23:14,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-09-19 16:23:14,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-09-19 16:23:14,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-09-19 16:23:14,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 111 transitions. [2018-09-19 16:23:14,683 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 111 transitions. Word has length 27 [2018-09-19 16:23:14,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:23:14,684 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 111 transitions. [2018-09-19 16:23:14,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-19 16:23:14,684 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 111 transitions. [2018-09-19 16:23:14,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-19 16:23:14,685 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:23:14,685 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] [2018-09-19 16:23:14,685 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:23:14,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1454553322, now seen corresponding path program 1 times [2018-09-19 16:23:14,686 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:23:14,686 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 16:23:14,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:23:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:23:15,831 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:23:15,866 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 11 treesize of output 8 [2018-09-19 16:23:15,871 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 8 treesize of output 7 [2018-09-19 16:23:15,871 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:23:15,877 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:23:15,889 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:23:15,890 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-19 16:23:15,938 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 29 treesize of output 21 [2018-09-19 16:23:15,954 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 21 treesize of output 9 [2018-09-19 16:23:15,954 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:23:15,957 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:23:15,961 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 16:23:15,961 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-19 16:23:16,106 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 16:23:16,106 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:23:16,132 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:23:16,133 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-19 16:23:16,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-19 16:23:16,133 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-19 16:23:16,133 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-19 16:23:16,134 INFO L87 Difference]: Start difference. First operand 98 states and 111 transitions. Second operand 9 states. [2018-09-19 16:23:21,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:23:21,937 INFO L93 Difference]: Finished difference Result 121 states and 134 transitions. [2018-09-19 16:23:21,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-19 16:23:21,938 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2018-09-19 16:23:21,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:23:21,940 INFO L225 Difference]: With dead ends: 121 [2018-09-19 16:23:21,941 INFO L226 Difference]: Without dead ends: 97 [2018-09-19 16:23:21,942 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-19 16:23:21,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-09-19 16:23:21,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-09-19 16:23:21,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-09-19 16:23:21,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 109 transitions. [2018-09-19 16:23:21,950 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 109 transitions. Word has length 29 [2018-09-19 16:23:21,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:23:21,950 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 109 transitions. [2018-09-19 16:23:21,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-19 16:23:21,951 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 109 transitions. [2018-09-19 16:23:21,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-19 16:23:21,952 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:23:21,952 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] [2018-09-19 16:23:21,953 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:23:21,953 INFO L82 PathProgramCache]: Analyzing trace with hash -415061973, now seen corresponding path program 1 times [2018-09-19 16:23:21,953 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:23:21,954 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 16:23:21,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:23:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:23:22,050 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:23:22,111 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 11 treesize of output 8 [2018-09-19 16:23:22,118 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 8 treesize of output 7 [2018-09-19 16:23:22,119 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:23:22,123 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:23:22,134 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:23:22,135 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-19 16:23:22,164 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 29 treesize of output 21 [2018-09-19 16:23:22,168 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 21 treesize of output 9 [2018-09-19 16:23:22,168 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:23:22,171 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:23:22,174 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 16:23:22,175 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-19 16:23:22,353 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 16:23:22,353 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:23:22,364 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:23:22,365 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-19 16:23:22,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-19 16:23:22,365 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-19 16:23:22,366 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-09-19 16:23:22,366 INFO L87 Difference]: Start difference. First operand 97 states and 109 transitions. Second operand 12 states. [2018-09-19 16:23:25,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:23:25,421 INFO L93 Difference]: Finished difference Result 102 states and 114 transitions. [2018-09-19 16:23:25,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 16:23:25,421 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 43 [2018-09-19 16:23:25,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:23:25,424 INFO L225 Difference]: With dead ends: 102 [2018-09-19 16:23:25,424 INFO L226 Difference]: Without dead ends: 92 [2018-09-19 16:23:25,425 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-09-19 16:23:25,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-09-19 16:23:25,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-09-19 16:23:25,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-09-19 16:23:25,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 103 transitions. [2018-09-19 16:23:25,432 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 103 transitions. Word has length 43 [2018-09-19 16:23:25,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:23:25,433 INFO L480 AbstractCegarLoop]: Abstraction has 92 states and 103 transitions. [2018-09-19 16:23:25,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-19 16:23:25,433 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 103 transitions. [2018-09-19 16:23:25,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-19 16:23:25,434 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:23:25,434 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 16:23:25,435 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:23:25,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1539319839, now seen corresponding path program 1 times [2018-09-19 16:23:25,435 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:23:25,436 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-09-19 16:23:25,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:23:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:23:26,712 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:23:26,779 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 11 treesize of output 8 [2018-09-19 16:23:26,788 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 8 treesize of output 7 [2018-09-19 16:23:26,788 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:23:26,792 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:23:26,804 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:23:26,805 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-19 16:23:26,825 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 29 treesize of output 21 [2018-09-19 16:23:26,831 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 21 treesize of output 9 [2018-09-19 16:23:26,832 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:23:26,835 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:23:26,840 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 16:23:26,840 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-19 16:23:26,972 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 16:23:26,972 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:23:27,005 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:23:27,006 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-19 16:23:27,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-19 16:23:27,006 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-19 16:23:27,007 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-19 16:23:27,007 INFO L87 Difference]: Start difference. First operand 92 states and 103 transitions. Second operand 9 states. [2018-09-19 16:23:30,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:23:30,072 INFO L93 Difference]: Finished difference Result 92 states and 103 transitions. [2018-09-19 16:23:30,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-19 16:23:30,073 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 46 [2018-09-19 16:23:30,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:23:30,073 INFO L225 Difference]: With dead ends: 92 [2018-09-19 16:23:30,074 INFO L226 Difference]: Without dead ends: 0 [2018-09-19 16:23:30,075 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-19 16:23:30,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-19 16:23:30,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-19 16:23:30,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-19 16:23:30,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-19 16:23:30,076 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46 [2018-09-19 16:23:30,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:23:30,077 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-19 16:23:30,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-19 16:23:30,077 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-19 16:23:30,077 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-19 16:23:30,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-19 16:23:30,469 INFO L426 ceAbstractionStarter]: For program point L93-1(lines 93 97) no Hoare annotation was computed. [2018-09-19 16:23:30,469 INFO L422 ceAbstractionStarter]: At program point L93-3(lines 93 97) the Hoare annotation is: (= |__ieee754_acosf_#in~x| __ieee754_acosf_~x) [2018-09-19 16:23:30,469 INFO L426 ceAbstractionStarter]: For program point L93-4(lines 93 97) no Hoare annotation was computed. [2018-09-19 16:23:30,470 INFO L426 ceAbstractionStarter]: For program point __ieee754_acosfFINAL(lines 90 157) no Hoare annotation was computed. [2018-09-19 16:23:30,470 INFO L426 ceAbstractionStarter]: For program point L143(line 143) no Hoare annotation was computed. [2018-09-19 16:23:30,470 INFO L426 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-09-19 16:23:30,470 INFO L426 ceAbstractionStarter]: For program point L139-1(line 139) no Hoare annotation was computed. [2018-09-19 16:23:30,470 INFO L426 ceAbstractionStarter]: For program point L139-2(line 139) no Hoare annotation was computed. [2018-09-19 16:23:30,470 INFO L429 ceAbstractionStarter]: At program point __ieee754_acosfENTRY(lines 90 157) the Hoare annotation is: true [2018-09-19 16:23:30,470 INFO L422 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (not (= (bvadd (bvand __ieee754_acosf_~hx~1 (_ bv2147483647 32)) (_ bv3229614080 32)) (_ bv0 32))))) [2018-09-19 16:23:30,470 INFO L426 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-09-19 16:23:30,471 INFO L426 ceAbstractionStarter]: For program point L127-1(line 127) no Hoare annotation was computed. [2018-09-19 16:23:30,471 INFO L426 ceAbstractionStarter]: For program point L94-1(line 94) no Hoare annotation was computed. [2018-09-19 16:23:30,471 INFO L426 ceAbstractionStarter]: For program point L94-2(line 94) no Hoare annotation was computed. [2018-09-19 16:23:30,471 INFO L426 ceAbstractionStarter]: For program point L94-3(line 94) no Hoare annotation was computed. [2018-09-19 16:23:30,471 INFO L426 ceAbstractionStarter]: For program point L119(lines 119 156) no Hoare annotation was computed. [2018-09-19 16:23:30,471 INFO L426 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2018-09-19 16:23:30,471 INFO L426 ceAbstractionStarter]: For program point L144-1(line 144) no Hoare annotation was computed. [2018-09-19 16:23:30,471 INFO L426 ceAbstractionStarter]: For program point L144-2(line 144) no Hoare annotation was computed. [2018-09-19 16:23:30,471 INFO L426 ceAbstractionStarter]: For program point L107(lines 107 156) no Hoare annotation was computed. [2018-09-19 16:23:30,472 INFO L426 ceAbstractionStarter]: For program point L136-1(lines 136 140) no Hoare annotation was computed. [2018-09-19 16:23:30,472 INFO L422 ceAbstractionStarter]: At program point L136-3(lines 136 140) the Hoare annotation is: (and (= |__ieee754_acosf_#in~x| __ieee754_acosf_~x) (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (not (= (bvadd (bvand __ieee754_acosf_~hx~1 (_ bv2147483647 32)) (_ bv3229614080 32)) (_ bv0 32))))) (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= (bvand __ieee754_acosf_~hx~1 (_ bv2147483647 32)) __ieee754_acosf_~ix~1) (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1)))))) [2018-09-19 16:23:30,472 INFO L426 ceAbstractionStarter]: For program point L99(lines 99 106) no Hoare annotation was computed. [2018-09-19 16:23:30,472 INFO L426 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2018-09-19 16:23:30,472 INFO L426 ceAbstractionStarter]: For program point __ieee754_acosfEXIT(lines 90 157) no Hoare annotation was computed. [2018-09-19 16:23:30,473 INFO L426 ceAbstractionStarter]: For program point L141(lines 141 145) no Hoare annotation was computed. [2018-09-19 16:23:30,473 INFO L426 ceAbstractionStarter]: For program point L108(lines 108 109) no Hoare annotation was computed. [2018-09-19 16:23:30,473 INFO L426 ceAbstractionStarter]: For program point L141-2(lines 131 156) no Hoare annotation was computed. [2018-09-19 16:23:30,473 INFO L426 ceAbstractionStarter]: For program point L141-3(lines 141 145) no Hoare annotation was computed. [2018-09-19 16:23:30,473 INFO L426 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2018-09-19 16:23:30,473 INFO L426 ceAbstractionStarter]: For program point L104(lines 104 106) no Hoare annotation was computed. [2018-09-19 16:23:30,474 INFO L426 ceAbstractionStarter]: For program point L137-1(line 137) no Hoare annotation was computed. [2018-09-19 16:23:30,474 INFO L426 ceAbstractionStarter]: For program point L137-2(line 137) no Hoare annotation was computed. [2018-09-19 16:23:30,474 INFO L426 ceAbstractionStarter]: For program point L137-3(line 137) no Hoare annotation was computed. [2018-09-19 16:23:30,474 INFO L426 ceAbstractionStarter]: For program point L100(lines 100 103) no Hoare annotation was computed. [2018-09-19 16:23:30,474 INFO L426 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-09-19 16:23:30,474 INFO L426 ceAbstractionStarter]: For program point L96-1(line 96) no Hoare annotation was computed. [2018-09-19 16:23:30,476 INFO L426 ceAbstractionStarter]: For program point L96-2(line 96) no Hoare annotation was computed. [2018-09-19 16:23:30,476 INFO L426 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-09-19 16:23:30,476 INFO L426 ceAbstractionStarter]: For program point L142-1(line 142) no Hoare annotation was computed. [2018-09-19 16:23:30,476 INFO L426 ceAbstractionStarter]: For program point L142-2(line 142) no Hoare annotation was computed. [2018-09-19 16:23:30,476 INFO L426 ceAbstractionStarter]: For program point L142-3(line 142) no Hoare annotation was computed. [2018-09-19 16:23:30,477 INFO L426 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-09-19 16:23:30,477 INFO L422 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (and (= |__ieee754_acosf_#in~x| __ieee754_acosf_~x) (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1))) (not (= (bvadd (bvand __ieee754_acosf_~hx~1 (_ bv2147483647 32)) (_ bv3229614080 32)) (_ bv0 32))))) (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (and (= (bvand __ieee754_acosf_~hx~1 (_ bv2147483647 32)) __ieee754_acosf_~ix~1) (= |__ieee754_acosf_#in~x| (fp ((_ extract 31 31) __ieee754_acosf_~hx~1) ((_ extract 30 23) __ieee754_acosf_~hx~1) ((_ extract 22 0) __ieee754_acosf_~hx~1)))))) [2018-09-19 16:23:30,477 INFO L426 ceAbstractionStarter]: For program point L134-1(line 134) no Hoare annotation was computed. [2018-09-19 16:23:30,477 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-19 16:23:30,477 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-19 16:23:30,478 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-19 16:23:30,478 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-19 16:23:30,478 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-19 16:23:30,478 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-19 16:23:30,478 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-19 16:23:30,478 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 182) no Hoare annotation was computed. [2018-09-19 16:23:30,479 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 171 187) the Hoare annotation is: true [2018-09-19 16:23:30,479 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 171 187) no Hoare annotation was computed. [2018-09-19 16:23:30,479 INFO L426 ceAbstractionStarter]: For program point L182(line 182) no Hoare annotation was computed. [2018-09-19 16:23:30,479 INFO L426 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-09-19 16:23:30,479 INFO L422 ceAbstractionStarter]: At program point L181-1(line 181) the Hoare annotation is: (and (= main_~x~0 ((_ to_fp 8 24) RNE 1.0)) (= ((_ to_fp 8 24) RNE (_ +zero 11 53)) main_~res~0) |main_#t~short17|) [2018-09-19 16:23:30,479 INFO L426 ceAbstractionStarter]: For program point L181-2(line 181) no Hoare annotation was computed. [2018-09-19 16:23:30,479 INFO L422 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: (= main_~x~0 ((_ to_fp 8 24) RNE 1.0)) [2018-09-19 16:23:30,479 INFO L426 ceAbstractionStarter]: For program point L178-1(line 178) no Hoare annotation was computed. [2018-09-19 16:23:30,480 INFO L426 ceAbstractionStarter]: For program point L181-4(lines 181 184) no Hoare annotation was computed. [2018-09-19 16:23:30,480 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 171 187) no Hoare annotation was computed. [2018-09-19 16:23:30,480 INFO L426 ceAbstractionStarter]: For program point L35-2(lines 35 39) no Hoare annotation was computed. [2018-09-19 16:23:30,480 INFO L426 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2018-09-19 16:23:30,480 INFO L426 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-09-19 16:23:30,480 INFO L426 ceAbstractionStarter]: For program point L52-2(lines 52 56) no Hoare annotation was computed. [2018-09-19 16:23:30,480 INFO L429 ceAbstractionStarter]: At program point L19-3(lines 19 23) the Hoare annotation is: true [2018-09-19 16:23:30,480 INFO L426 ceAbstractionStarter]: For program point L19-4(lines 19 23) no Hoare annotation was computed. [2018-09-19 16:23:30,480 INFO L426 ceAbstractionStarter]: For program point L36-1(lines 36 37) no Hoare annotation was computed. [2018-09-19 16:23:30,481 INFO L426 ceAbstractionStarter]: For program point L36-3(lines 36 37) no Hoare annotation was computed. [2018-09-19 16:23:30,481 INFO L429 ceAbstractionStarter]: At program point L36-4(lines 36 37) the Hoare annotation is: true [2018-09-19 16:23:30,481 INFO L426 ceAbstractionStarter]: For program point L36-5(lines 36 37) no Hoare annotation was computed. [2018-09-19 16:23:30,481 INFO L426 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2018-09-19 16:23:30,481 INFO L426 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-09-19 16:23:30,481 INFO L426 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-09-19 16:23:30,481 INFO L426 ceAbstractionStarter]: For program point L20-2(line 20) no Hoare annotation was computed. [2018-09-19 16:23:30,481 INFO L426 ceAbstractionStarter]: For program point L20-3(line 20) no Hoare annotation was computed. [2018-09-19 16:23:30,481 INFO L429 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 14 79) the Hoare annotation is: true [2018-09-19 16:23:30,481 INFO L426 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 14 79) no Hoare annotation was computed. [2018-09-19 16:23:30,481 INFO L426 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-09-19 16:23:30,482 INFO L426 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-09-19 16:23:30,482 INFO L426 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 14 79) no Hoare annotation was computed. [2018-09-19 16:23:30,482 INFO L426 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-09-19 16:23:30,482 INFO L426 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-09-19 16:23:30,482 INFO L426 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2018-09-19 16:23:30,482 INFO L426 ceAbstractionStarter]: For program point L22-2(line 22) no Hoare annotation was computed. [2018-09-19 16:23:30,482 INFO L426 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-09-19 16:23:30,482 INFO L426 ceAbstractionStarter]: For program point L73-1(lines 73 77) no Hoare annotation was computed. [2018-09-19 16:23:30,482 INFO L429 ceAbstractionStarter]: At program point L73-3(lines 73 77) the Hoare annotation is: true [2018-09-19 16:23:30,483 INFO L426 ceAbstractionStarter]: For program point L73-4(lines 73 77) no Hoare annotation was computed. [2018-09-19 16:23:30,483 INFO L426 ceAbstractionStarter]: For program point L65(lines 65 68) no Hoare annotation was computed. [2018-09-19 16:23:30,483 INFO L426 ceAbstractionStarter]: For program point L74(line 74) no Hoare annotation was computed. [2018-09-19 16:23:30,483 INFO L426 ceAbstractionStarter]: For program point L74-1(line 74) no Hoare annotation was computed. [2018-09-19 16:23:30,483 INFO L426 ceAbstractionStarter]: For program point L74-2(line 74) no Hoare annotation was computed. [2018-09-19 16:23:30,483 INFO L426 ceAbstractionStarter]: For program point L74-3(line 74) no Hoare annotation was computed. [2018-09-19 16:23:30,483 INFO L426 ceAbstractionStarter]: For program point L50-1(lines 50 59) no Hoare annotation was computed. [2018-09-19 16:23:30,484 INFO L429 ceAbstractionStarter]: At program point L50-3(lines 50 59) the Hoare annotation is: true [2018-09-19 16:23:30,484 INFO L426 ceAbstractionStarter]: For program point L50-4(lines 14 79) no Hoare annotation was computed. [2018-09-19 16:23:30,484 INFO L426 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2018-09-19 16:23:30,484 INFO L426 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-09-19 16:23:30,484 INFO L426 ceAbstractionStarter]: For program point L42-2(lines 42 43) no Hoare annotation was computed. [2018-09-19 16:23:30,484 INFO L426 ceAbstractionStarter]: For program point L26(lines 26 27) no Hoare annotation was computed. [2018-09-19 16:23:30,484 INFO L426 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-09-19 16:23:30,485 INFO L426 ceAbstractionStarter]: For program point L76-1(line 76) no Hoare annotation was computed. [2018-09-19 16:23:30,485 INFO L426 ceAbstractionStarter]: For program point L76-2(line 76) no Hoare annotation was computed. [2018-09-19 16:23:30,485 INFO L426 ceAbstractionStarter]: For program point L35(lines 35 39) no Hoare annotation was computed. [2018-09-19 16:23:30,485 INFO L426 ceAbstractionStarter]: For program point L163-2(line 163) no Hoare annotation was computed. [2018-09-19 16:23:30,485 INFO L426 ceAbstractionStarter]: For program point L162-1(lines 162 166) no Hoare annotation was computed. [2018-09-19 16:23:30,485 INFO L426 ceAbstractionStarter]: For program point L163-3(line 163) no Hoare annotation was computed. [2018-09-19 16:23:30,485 INFO L422 ceAbstractionStarter]: At program point L162-3(lines 162 166) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-09-19 16:23:30,486 INFO L426 ceAbstractionStarter]: For program point L162-4(lines 162 166) no Hoare annotation was computed. [2018-09-19 16:23:30,486 INFO L426 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 159 169) no Hoare annotation was computed. [2018-09-19 16:23:30,486 INFO L429 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 159 169) the Hoare annotation is: true [2018-09-19 16:23:30,486 INFO L426 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 159 169) no Hoare annotation was computed. [2018-09-19 16:23:30,486 INFO L426 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-09-19 16:23:30,486 INFO L426 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2018-09-19 16:23:30,486 INFO L426 ceAbstractionStarter]: For program point L165-1(line 165) no Hoare annotation was computed. [2018-09-19 16:23:30,486 INFO L426 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-09-19 16:23:30,486 INFO L426 ceAbstractionStarter]: For program point L165-2(line 165) no Hoare annotation was computed. [2018-09-19 16:23:30,486 INFO L426 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2018-09-19 16:23:30,500 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,501 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,502 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,502 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,502 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,503 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,503 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,503 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,505 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,505 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,505 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,506 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,506 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,506 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,506 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,507 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 04:23:30 BoogieIcfgContainer [2018-09-19 16:23:30,509 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 16:23:30,510 INFO L168 Benchmark]: Toolchain (without parser) took 53049.05 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.5 MB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -333.7 MB). Peak memory consumption was 399.8 MB. Max. memory is 7.1 GB. [2018-09-19 16:23:30,512 INFO L168 Benchmark]: CDTParser took 0.24 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 16:23:30,512 INFO L168 Benchmark]: CACSL2BoogieTranslator took 438.43 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 16:23:30,513 INFO L168 Benchmark]: Boogie Preprocessor took 66.10 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 16:23:30,514 INFO L168 Benchmark]: RCFGBuilder took 10944.16 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.5 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -751.1 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2018-09-19 16:23:30,515 INFO L168 Benchmark]: TraceAbstraction took 41594.32 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 396.3 MB). Peak memory consumption was 396.3 MB. Max. memory is 7.1 GB. [2018-09-19 16:23:30,519 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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. * CACSL2BoogieTranslator took 438.43 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 66.10 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. * RCFGBuilder took 10944.16 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 733.5 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -751.1 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 41594.32 ms. Allocated memory is still 2.3 GB. Free memory was 2.1 GB in the beginning and 1.7 GB in the end (delta: 396.3 MB). Peak memory consumption was 396.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 182]: 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: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant [2018-09-19 16:23:30,529 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,529 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,529 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,530 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,530 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,530 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,530 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,531 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,532 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,532 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,532 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,532 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,532 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,533 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,533 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:30,533 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] Derived loop invariant: ((\old(x) == x && \old(x) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && (\exists __ieee754_acosf_~hx~1 : bv32 :: \old(x) == ~fp~LONGDOUBLE(__ieee754_acosf_~hx~1[31:31], __ieee754_acosf_~hx~1[30:23], __ieee754_acosf_~hx~1[22:0]) && !(~bvadd64(~bvand32(__ieee754_acosf_~hx~1, 2147483647bv32), 3229614080bv32) == 0bv32))) && (\exists __ieee754_acosf_~hx~1 : bv32 :: ~bvand32(__ieee754_acosf_~hx~1, 2147483647bv32) == ix && \old(x) == ~fp~LONGDOUBLE(__ieee754_acosf_~hx~1[31:31], __ieee754_acosf_~hx~1[30:23], __ieee754_acosf_~hx~1[22:0])) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 121 locations, 1 error locations. SAFE Result, 41.5s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 35.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 776 SDtfs, 300 SDslu, 3695 SDs, 0 SdLazy, 450 SolverSat, 23 SolverUnsat, 11 SolverUnknown, 0 SolverNotchecked, 31.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 245 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred 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: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 43 PreInvPairs, 57 NumberOfFragments, 149 HoareAnnotationTreeSize, 43 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 217 NumberOfCodeBlocks, 217 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 210 ConstructedInterpolants, 22 QuantifiedInterpolants, 38155 SizeOfPredicates, 40 NumberOfNonLiveVariables, 791 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...