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_0460_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2c62905 [2018-09-19 16:22:21,937 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 16:22:21,939 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 16:22:21,952 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 16:22:21,952 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 16:22:21,955 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 16:22:21,958 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 16:22:21,960 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 16:22:21,963 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 16:22:21,966 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 16:22:21,967 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 16:22:21,968 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 16:22:21,969 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 16:22:21,970 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 16:22:21,971 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 16:22:21,972 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 16:22:21,974 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 16:22:21,984 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 16:22:21,987 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 16:22:21,993 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 16:22:21,994 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 16:22:21,996 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 16:22:21,999 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 16:22:21,999 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 16:22:22,003 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 16:22:22,004 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 16:22:22,005 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 16:22:22,006 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 16:22:22,006 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 16:22:22,008 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 16:22:22,008 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 16:22:22,009 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 16:22:22,009 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 16:22:22,009 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 16:22:22,014 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 16:22:22,015 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 16:22:22,015 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 16:22:22,051 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 16:22:22,051 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 16:22:22,052 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 16:22:22,053 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-19 16:22:22,053 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-19 16:22:22,054 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-19 16:22:22,055 INFO L133 SettingsManager]: * Use SBE=true [2018-09-19 16:22:22,055 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 16:22:22,055 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-19 16:22:22,055 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-19 16:22:22,055 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 16:22:22,056 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 16:22:22,056 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 16:22:22,056 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 16:22:22,056 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-19 16:22:22,057 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-19 16:22:22,057 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-19 16:22:22,057 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 16:22:22,057 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 16:22:22,058 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 16:22:22,058 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 16:22:22,058 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 16:22:22,058 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 16:22:22,058 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 16:22:22,058 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 16:22:22,059 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 16:22:22,059 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 16:22:22,059 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-19 16:22:22,059 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 16:22:22,061 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-19 16:22:22,061 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-19 16:22:22,061 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 16:22:22,130 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 16:22:22,147 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 16:22:22,152 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 16:22:22,153 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 16:22:22,154 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 16:22:22,155 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0460_true-unreach-call.c [2018-09-19 16:22:22,512 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/198655149/d99041d0f6c04cf4aa75575f58651906/FLAG9178ec90a [2018-09-19 16:22:22,659 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 16:22:22,660 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0460_true-unreach-call.c [2018-09-19 16:22:22,675 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/198655149/d99041d0f6c04cf4aa75575f58651906/FLAG9178ec90a [2018-09-19 16:22:22,690 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/198655149/d99041d0f6c04cf4aa75575f58651906 [2018-09-19 16:22:22,701 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 16:22:22,704 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-19 16:22:22,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 16:22:22,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 16:22:22,716 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 16:22:22,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:22:22" (1/1) ... [2018-09-19 16:22:22,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c60186e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:22, skipping insertion in model container [2018-09-19 16:22:22,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:22:22" (1/1) ... [2018-09-19 16:22:22,733 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 16:22:23,081 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 16:22:23,103 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 16:22:23,149 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 16:22:23,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:23 WrapperNode [2018-09-19 16:22:23,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 16:22:23,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 16:22:23,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 16:22:23,219 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 16:22:23,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:23" (1/1) ... [2018-09-19 16:22:23,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:23" (1/1) ... [2018-09-19 16:22:23,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:23" (1/1) ... [2018-09-19 16:22:23,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:23" (1/1) ... [2018-09-19 16:22:23,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:23" (1/1) ... [2018-09-19 16:22:23,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:23" (1/1) ... [2018-09-19 16:22:23,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:23" (1/1) ... [2018-09-19 16:22:23,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 16:22:23,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 16:22:23,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 16:22:23,284 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 16:22:23,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:23" (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 16:22:23,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 16:22:23,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 16:22:23,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-19 16:22:23,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-09-19 16:22:23,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acosf [2018-09-19 16:22:23,434 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 16:22:23,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-19 16:22:23,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-19 16:22:23,434 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-19 16:22:23,434 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-09-19 16:22:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-19 16:22:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-19 16:22:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-19 16:22:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-19 16:22:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-19 16:22:23,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-19 16:22:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acosf [2018-09-19 16:22:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 16:22:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 16:22:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 16:22:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-19 16:22:23,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-19 16:22:23,637 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:22:23,678 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:22:30,886 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:22:30,911 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:22:33,395 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:22:34,765 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:22:34,773 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 16:22:34,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:22:34 BoogieIcfgContainer [2018-09-19 16:22:34,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 16:22:34,774 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 16:22:34,774 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 16:22:34,778 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 16:22:34,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 04:22:22" (1/3) ... [2018-09-19 16:22:34,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aaf57ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:22:34, skipping insertion in model container [2018-09-19 16:22:34,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:22:23" (2/3) ... [2018-09-19 16:22:34,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aaf57ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:22:34, skipping insertion in model container [2018-09-19 16:22:34,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:22:34" (3/3) ... [2018-09-19 16:22:34,782 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0460_true-unreach-call.c [2018-09-19 16:22:34,793 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 16:22:34,803 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 16:22:34,849 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 16:22:34,850 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 16:22:34,850 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 16:22:34,850 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 16:22:34,850 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 16:22:34,850 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 16:22:34,850 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 16:22:34,851 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 16:22:34,851 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 16:22:34,871 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2018-09-19 16:22:34,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-19 16:22:34,880 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:22:34,881 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] [2018-09-19 16:22:34,886 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:22:34,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1140012762, now seen corresponding path program 1 times [2018-09-19 16:22:34,896 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:22:34,897 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 16:22:34,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:22:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:22:35,010 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:22:35,029 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 16:22:35,029 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:22:35,043 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:22:35,043 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-19 16:22:35,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-19 16:22:35,059 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-19 16:22:35,059 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-19 16:22:35,062 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 2 states. [2018-09-19 16:22:35,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:22:35,100 INFO L93 Difference]: Finished difference Result 211 states and 274 transitions. [2018-09-19 16:22:35,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-19 16:22:35,102 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-09-19 16:22:35,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:22:35,116 INFO L225 Difference]: With dead ends: 211 [2018-09-19 16:22:35,117 INFO L226 Difference]: Without dead ends: 105 [2018-09-19 16:22:35,123 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 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 16:22:35,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-09-19 16:22:35,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-09-19 16:22:35,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-09-19 16:22:35,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 122 transitions. [2018-09-19 16:22:35,182 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 122 transitions. Word has length 22 [2018-09-19 16:22:35,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:22:35,182 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 122 transitions. [2018-09-19 16:22:35,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-19 16:22:35,183 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 122 transitions. [2018-09-19 16:22:35,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-19 16:22:35,184 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:22:35,185 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 16:22:35,185 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:22:35,185 INFO L82 PathProgramCache]: Analyzing trace with hash -458414498, now seen corresponding path program 1 times [2018-09-19 16:22:35,186 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:22:35,187 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 16:22:35,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:22:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:22:35,330 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:22:35,557 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 16:22:35,565 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 16:22:35,565 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:22:35,576 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:22:35,596 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 16:22:35,597 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-19 16:22:35,628 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 16:22:35,641 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 16:22:35,642 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:22:35,662 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:22:35,665 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 16:22:35,666 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-19 16:22:35,933 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 16:22:35,933 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:22:35,944 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:22:35,945 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-19 16:22:35,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-19 16:22:35,947 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-19 16:22:35,948 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-19 16:22:35,948 INFO L87 Difference]: Start difference. First operand 105 states and 122 transitions. Second operand 9 states. [2018-09-19 16:22:36,479 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-09-19 16:22:36,884 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-09-19 16:22:44,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:22:44,116 INFO L93 Difference]: Finished difference Result 117 states and 133 transitions. [2018-09-19 16:22:44,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-09-19 16:22:44,117 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 31 [2018-09-19 16:22:44,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:22:44,123 INFO L225 Difference]: With dead ends: 117 [2018-09-19 16:22:44,123 INFO L226 Difference]: Without dead ends: 106 [2018-09-19 16:22:44,125 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-09-19 16:22:44,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-09-19 16:22:44,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104. [2018-09-19 16:22:44,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-09-19 16:22:44,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 119 transitions. [2018-09-19 16:22:44,141 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 119 transitions. Word has length 31 [2018-09-19 16:22:44,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:22:44,141 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 119 transitions. [2018-09-19 16:22:44,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-19 16:22:44,141 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 119 transitions. [2018-09-19 16:22:44,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-19 16:22:44,143 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:22:44,143 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 16:22:44,143 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:22:44,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1835804226, now seen corresponding path program 1 times [2018-09-19 16:22:44,144 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:22:44,144 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-09-19 16:22:44,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:22:44,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:22:44,436 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:22:45,609 WARN L178 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-09-19 16:22:47,594 WARN L178 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-09-19 16:22:51,001 WARN L178 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2018-09-19 16:22:54,899 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 16:22:54,899 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:22:54,915 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:22:54,916 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-09-19 16:22:54,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-19 16:22:54,918 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-19 16:22:54,918 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-09-19 16:22:54,918 INFO L87 Difference]: Start difference. First operand 104 states and 119 transitions. Second operand 7 states. [2018-09-19 16:23:04,842 WARN L178 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 11 [2018-09-19 16:23:10,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:23:10,976 INFO L93 Difference]: Finished difference Result 111 states and 126 transitions. [2018-09-19 16:23:10,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-09-19 16:23:10,977 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2018-09-19 16:23:10,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:23:10,979 INFO L225 Difference]: With dead ends: 111 [2018-09-19 16:23:10,982 INFO L226 Difference]: Without dead ends: 104 [2018-09-19 16:23:10,983 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.7s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-09-19 16:23:10,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-09-19 16:23:10,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-09-19 16:23:10,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-09-19 16:23:10,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 118 transitions. [2018-09-19 16:23:10,996 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 118 transitions. Word has length 31 [2018-09-19 16:23:10,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:23:10,996 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 118 transitions. [2018-09-19 16:23:10,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-19 16:23:10,997 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 118 transitions. [2018-09-19 16:23:10,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-19 16:23:10,998 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:23:10,998 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] [2018-09-19 16:23:10,999 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:23:10,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1592653798, now seen corresponding path program 1 times [2018-09-19 16:23:10,999 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:23:11,000 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 16:23:11,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:23:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:23:11,109 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:23:11,160 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 16:23:11,165 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 16:23:11,165 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:23:11,170 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:23:11,180 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 16:23:11,181 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-19 16:23:11,211 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 16:23:11,215 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 16:23:11,216 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:23:11,219 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:23:11,222 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 16:23:11,223 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-19 16:23:11,476 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 16:23:11,476 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:23:11,487 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:23:11,487 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 16:23:11,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 16:23:11,489 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 16:23:11,489 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-09-19 16:23:11,489 INFO L87 Difference]: Start difference. First operand 104 states and 118 transitions. Second operand 10 states. [2018-09-19 16:23:18,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:23:18,852 INFO L93 Difference]: Finished difference Result 116 states and 129 transitions. [2018-09-19 16:23:18,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-19 16:23:18,852 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 33 [2018-09-19 16:23:18,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:23:18,854 INFO L225 Difference]: With dead ends: 116 [2018-09-19 16:23:18,854 INFO L226 Difference]: Without dead ends: 81 [2018-09-19 16:23:18,855 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2018-09-19 16:23:18,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-09-19 16:23:18,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-09-19 16:23:18,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-09-19 16:23:18,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2018-09-19 16:23:18,863 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 33 [2018-09-19 16:23:18,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:23:18,864 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2018-09-19 16:23:18,864 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 16:23:18,864 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2018-09-19 16:23:18,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-19 16:23:18,865 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:23:18,866 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] [2018-09-19 16:23:18,866 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:23:18,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1789167303, now seen corresponding path program 1 times [2018-09-19 16:23:18,867 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:23:18,867 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 16:23:18,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:23:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:23:20,127 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:23:20,169 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 16:23:20,174 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 16:23:20,174 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:23:20,178 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:23:20,188 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 16:23:20,189 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-19 16:23:20,211 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 16:23:20,216 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 16:23:20,216 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:23:20,221 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:23:20,225 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 16:23:20,225 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-19 16:23:20,420 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 16:23:20,420 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:23:20,451 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:23:20,451 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-09-19 16:23:20,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-09-19 16:23:20,452 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-09-19 16:23:20,452 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-09-19 16:23:20,452 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 10 states. [2018-09-19 16:23:26,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:23:26,412 INFO L93 Difference]: Finished difference Result 91 states and 101 transitions. [2018-09-19 16:23:26,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-19 16:23:26,412 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 33 [2018-09-19 16:23:26,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:23:26,414 INFO L225 Difference]: With dead ends: 91 [2018-09-19 16:23:26,414 INFO L226 Difference]: Without dead ends: 80 [2018-09-19 16:23:26,415 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2018-09-19 16:23:26,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-09-19 16:23:26,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-09-19 16:23:26,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-09-19 16:23:26,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 90 transitions. [2018-09-19 16:23:26,423 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 90 transitions. Word has length 33 [2018-09-19 16:23:26,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:23:26,424 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 90 transitions. [2018-09-19 16:23:26,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-09-19 16:23:26,424 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2018-09-19 16:23:26,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-19 16:23:26,426 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:23:26,426 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, 1, 1, 1, 1] [2018-09-19 16:23:26,426 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:23:26,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1165450604, now seen corresponding path program 1 times [2018-09-19 16:23:26,427 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:23:26,427 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 16:23:26,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:23:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:23:27,768 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:23:27,886 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 16:23:27,892 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 16:23:27,892 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:23:27,897 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:23:27,909 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 16:23:27,910 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-19 16:23:27,931 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 16:23:27,935 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 16:23:27,936 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:23:27,939 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:23:27,943 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 16:23:27,943 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-19 16:23:28,229 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 16:23:28,229 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:23:28,267 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:23:28,267 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 16:23:28,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 16:23:28,268 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 16:23:28,268 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-09-19 16:23:28,268 INFO L87 Difference]: Start difference. First operand 80 states and 90 transitions. Second operand 11 states. [2018-09-19 16:23:31,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:23:31,643 INFO L93 Difference]: Finished difference Result 80 states and 90 transitions. [2018-09-19 16:23:31,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 16:23:31,645 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 50 [2018-09-19 16:23:31,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:23:31,646 INFO L225 Difference]: With dead ends: 80 [2018-09-19 16:23:31,646 INFO L226 Difference]: Without dead ends: 0 [2018-09-19 16:23:31,648 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2018-09-19 16:23:31,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-19 16:23:31,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-19 16:23:31,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-19 16:23:31,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-19 16:23:31,649 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2018-09-19 16:23:31,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:23:31,650 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-19 16:23:31,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 16:23:31,650 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-19 16:23:31,650 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-19 16:23:31,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-19 16:23:32,012 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-09-19 16:23:33,458 WARN L178 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 15 [2018-09-19 16:23:33,511 INFO L426 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-09-19 16:23:33,511 INFO L429 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-09-19 16:23:33,512 INFO L426 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-09-19 16:23:33,512 INFO L426 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-09-19 16:23:33,512 INFO L426 ceAbstractionStarter]: For program point L130-1(line 130) no Hoare annotation was computed. [2018-09-19 16:23:33,512 INFO L426 ceAbstractionStarter]: For program point L97-1(line 97) no Hoare annotation was computed. [2018-09-19 16:23:33,512 INFO L426 ceAbstractionStarter]: For program point L97-2(line 97) no Hoare annotation was computed. [2018-09-19 16:23:33,512 INFO L426 ceAbstractionStarter]: For program point L97-3(line 97) no Hoare annotation was computed. [2018-09-19 16:23:33,512 INFO L426 ceAbstractionStarter]: For program point L122(lines 122 159) no Hoare annotation was computed. [2018-09-19 16:23:33,512 INFO L426 ceAbstractionStarter]: For program point __ieee754_acosfFINAL(lines 93 160) no Hoare annotation was computed. [2018-09-19 16:23:33,512 INFO L426 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-09-19 16:23:33,513 INFO L426 ceAbstractionStarter]: For program point L147-1(line 147) no Hoare annotation was computed. [2018-09-19 16:23:33,513 INFO L426 ceAbstractionStarter]: For program point L147-2(line 147) no Hoare annotation was computed. [2018-09-19 16:23:33,513 INFO L426 ceAbstractionStarter]: For program point L110(lines 110 159) no Hoare annotation was computed. [2018-09-19 16:23:33,513 INFO L426 ceAbstractionStarter]: For program point L139-1(lines 139 143) no Hoare annotation was computed. [2018-09-19 16:23:33,513 INFO L422 ceAbstractionStarter]: At program point L139-3(lines 139 143) the Hoare annotation is: (and (= |__ieee754_acosf_#in~x| __ieee754_acosf_~x) (not (bvsgt __ieee754_acosf_~ix~1 (_ bv1065353216 32))) (= |__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 (= (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 16:23:33,513 INFO L426 ceAbstractionStarter]: For program point L102(lines 102 109) no Hoare annotation was computed. [2018-09-19 16:23:33,513 INFO L429 ceAbstractionStarter]: At program point __ieee754_acosfENTRY(lines 93 160) the Hoare annotation is: true [2018-09-19 16:23:33,513 INFO L426 ceAbstractionStarter]: For program point L98(line 98) no Hoare annotation was computed. [2018-09-19 16:23:33,514 INFO L426 ceAbstractionStarter]: For program point L144(lines 144 148) no Hoare annotation was computed. [2018-09-19 16:23:33,514 INFO L426 ceAbstractionStarter]: For program point L111(lines 111 112) no Hoare annotation was computed. [2018-09-19 16:23:33,514 INFO L426 ceAbstractionStarter]: For program point L144-2(lines 134 159) no Hoare annotation was computed. [2018-09-19 16:23:33,514 INFO L426 ceAbstractionStarter]: For program point L144-3(lines 144 148) no Hoare annotation was computed. [2018-09-19 16:23:33,514 INFO L426 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2018-09-19 16:23:33,514 INFO L426 ceAbstractionStarter]: For program point L107(lines 107 109) no Hoare annotation was computed. [2018-09-19 16:23:33,514 INFO L426 ceAbstractionStarter]: For program point L140-1(line 140) no Hoare annotation was computed. [2018-09-19 16:23:33,515 INFO L426 ceAbstractionStarter]: For program point L140-2(line 140) no Hoare annotation was computed. [2018-09-19 16:23:33,515 INFO L426 ceAbstractionStarter]: For program point L140-3(line 140) no Hoare annotation was computed. [2018-09-19 16:23:33,515 INFO L426 ceAbstractionStarter]: For program point L103(lines 103 106) no Hoare annotation was computed. [2018-09-19 16:23:33,515 INFO L426 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-09-19 16:23:33,515 INFO L426 ceAbstractionStarter]: For program point L99-1(line 99) no Hoare annotation was computed. [2018-09-19 16:23:33,515 INFO L426 ceAbstractionStarter]: For program point L99-2(line 99) no Hoare annotation was computed. [2018-09-19 16:23:33,515 INFO L426 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-09-19 16:23:33,516 INFO L426 ceAbstractionStarter]: For program point L145-1(line 145) no Hoare annotation was computed. [2018-09-19 16:23:33,516 INFO L426 ceAbstractionStarter]: For program point __ieee754_acosfEXIT(lines 93 160) no Hoare annotation was computed. [2018-09-19 16:23:33,516 INFO L426 ceAbstractionStarter]: For program point L145-2(line 145) no Hoare annotation was computed. [2018-09-19 16:23:33,516 INFO L426 ceAbstractionStarter]: For program point L145-3(line 145) no Hoare annotation was computed. [2018-09-19 16:23:33,516 INFO L426 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-09-19 16:23:33,517 INFO L422 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: (and (= |__ieee754_acosf_#in~x| __ieee754_acosf_~x) (not (bvsgt __ieee754_acosf_~ix~1 (_ bv1065353216 32))) (= |__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 (= (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 16:23:33,517 INFO L426 ceAbstractionStarter]: For program point L137-1(line 137) no Hoare annotation was computed. [2018-09-19 16:23:33,517 INFO L426 ceAbstractionStarter]: For program point L96-1(lines 96 100) no Hoare annotation was computed. [2018-09-19 16:23:33,517 INFO L422 ceAbstractionStarter]: At program point L96-3(lines 96 100) the Hoare annotation is: (= |__ieee754_acosf_#in~x| __ieee754_acosf_~x) [2018-09-19 16:23:33,517 INFO L426 ceAbstractionStarter]: For program point L96-4(lines 96 100) no Hoare annotation was computed. [2018-09-19 16:23:33,517 INFO L426 ceAbstractionStarter]: For program point L146(line 146) no Hoare annotation was computed. [2018-09-19 16:23:33,517 INFO L426 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-09-19 16:23:33,517 INFO L426 ceAbstractionStarter]: For program point L142-1(line 142) no Hoare annotation was computed. [2018-09-19 16:23:33,517 INFO L426 ceAbstractionStarter]: For program point L142-2(line 142) no Hoare annotation was computed. [2018-09-19 16:23:33,518 INFO L422 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (exists ((__ieee754_acosf_~hx~1 (_ BitVec 32))) (let ((.cse0 (bvand __ieee754_acosf_~hx~1 (_ bv2147483647 32)))) (and (not (bvslt .cse0 (_ bv1056964608 32))) (= |__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 (bvsgt .cse0 (_ bv1065353216 32))) (not (= (bvadd .cse0 (_ bv3229614080 32)) (_ bv0 32)))))) [2018-09-19 16:23:33,518 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-19 16:23:33,518 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-19 16:23:33,518 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-19 16:23:33,518 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-19 16:23:33,518 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-19 16:23:33,518 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-19 16:23:33,518 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-19 16:23:33,518 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 162 183) the Hoare annotation is: true [2018-09-19 16:23:33,519 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 162 183) no Hoare annotation was computed. [2018-09-19 16:23:33,519 INFO L426 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2018-09-19 16:23:33,519 INFO L422 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) RNE 1.0))) (or (fp.lt main_~x~0 (fp.neg .cse0)) (fp.gt main_~x~0 .cse0))) (exists ((__ieee754_acosf_~x (_ FloatingPoint 8 24))) (= (let ((.cse1 (fp.sub RNE __ieee754_acosf_~x __ieee754_acosf_~x))) (fp.div RNE .cse1 .cse1)) main_~res~0))) [2018-09-19 16:23:33,519 INFO L426 ceAbstractionStarter]: For program point L176-1(lines 176 179) no Hoare annotation was computed. [2018-09-19 16:23:33,519 INFO L422 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) RNE 1.0))) (or (fp.lt main_~x~0 (fp.neg .cse0)) (fp.gt main_~x~0 .cse0))) [2018-09-19 16:23:33,519 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2018-09-19 16:23:33,520 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 162 183) no Hoare annotation was computed. [2018-09-19 16:23:33,520 INFO L426 ceAbstractionStarter]: For program point L173-1(line 173) no Hoare annotation was computed. [2018-09-19 16:23:33,520 INFO L426 ceAbstractionStarter]: For program point L171(lines 171 180) no Hoare annotation was computed. [2018-09-19 16:23:33,520 INFO L426 ceAbstractionStarter]: For program point L171-2(lines 171 180) no Hoare annotation was computed. [2018-09-19 16:23:33,520 INFO L426 ceAbstractionStarter]: For program point L77(line 77) no Hoare annotation was computed. [2018-09-19 16:23:33,521 INFO L426 ceAbstractionStarter]: For program point L77-1(line 77) no Hoare annotation was computed. [2018-09-19 16:23:33,521 INFO L426 ceAbstractionStarter]: For program point L77-2(line 77) no Hoare annotation was computed. [2018-09-19 16:23:33,521 INFO L426 ceAbstractionStarter]: For program point L77-3(line 77) no Hoare annotation was computed. [2018-09-19 16:23:33,521 INFO L426 ceAbstractionStarter]: For program point L53-1(lines 53 62) no Hoare annotation was computed. [2018-09-19 16:23:33,521 INFO L429 ceAbstractionStarter]: At program point L53-3(lines 53 62) the Hoare annotation is: true [2018-09-19 16:23:33,521 INFO L426 ceAbstractionStarter]: For program point L53-4(lines 17 82) no Hoare annotation was computed. [2018-09-19 16:23:33,522 INFO L429 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 17 82) the Hoare annotation is: true [2018-09-19 16:23:33,522 INFO L426 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-09-19 16:23:33,522 INFO L426 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-09-19 16:23:33,522 INFO L426 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2018-09-19 16:23:33,522 INFO L426 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 17 82) no Hoare annotation was computed. [2018-09-19 16:23:33,522 INFO L426 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-09-19 16:23:33,522 INFO L426 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 17 82) no Hoare annotation was computed. [2018-09-19 16:23:33,523 INFO L426 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-09-19 16:23:33,523 INFO L426 ceAbstractionStarter]: For program point L79-1(line 79) no Hoare annotation was computed. [2018-09-19 16:23:33,523 INFO L426 ceAbstractionStarter]: For program point L79-2(line 79) no Hoare annotation was computed. [2018-09-19 16:23:33,523 INFO L426 ceAbstractionStarter]: For program point L38(lines 38 42) no Hoare annotation was computed. [2018-09-19 16:23:33,523 INFO L426 ceAbstractionStarter]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2018-09-19 16:23:33,523 INFO L426 ceAbstractionStarter]: For program point L55(lines 55 59) no Hoare annotation was computed. [2018-09-19 16:23:33,524 INFO L426 ceAbstractionStarter]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2018-09-19 16:23:33,524 INFO L426 ceAbstractionStarter]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2018-09-19 16:23:33,524 INFO L429 ceAbstractionStarter]: At program point L22-3(lines 22 26) the Hoare annotation is: true [2018-09-19 16:23:33,524 INFO L426 ceAbstractionStarter]: For program point L22-4(lines 22 26) no Hoare annotation was computed. [2018-09-19 16:23:33,524 INFO L426 ceAbstractionStarter]: For program point L39-1(lines 39 40) no Hoare annotation was computed. [2018-09-19 16:23:33,524 INFO L426 ceAbstractionStarter]: For program point L39-3(lines 39 40) no Hoare annotation was computed. [2018-09-19 16:23:33,524 INFO L429 ceAbstractionStarter]: At program point L39-4(lines 39 40) the Hoare annotation is: true [2018-09-19 16:23:33,525 INFO L426 ceAbstractionStarter]: For program point L39-5(lines 39 40) no Hoare annotation was computed. [2018-09-19 16:23:33,525 INFO L426 ceAbstractionStarter]: For program point L64(lines 64 73) no Hoare annotation was computed. [2018-09-19 16:23:33,525 INFO L426 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-09-19 16:23:33,525 INFO L426 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2018-09-19 16:23:33,525 INFO L426 ceAbstractionStarter]: For program point L23-2(line 23) no Hoare annotation was computed. [2018-09-19 16:23:33,525 INFO L426 ceAbstractionStarter]: For program point L23-3(line 23) no Hoare annotation was computed. [2018-09-19 16:23:33,526 INFO L426 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2018-09-19 16:23:33,526 INFO L426 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-09-19 16:23:33,526 INFO L426 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-09-19 16:23:33,526 INFO L426 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-09-19 16:23:33,526 INFO L426 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2018-09-19 16:23:33,526 INFO L426 ceAbstractionStarter]: For program point L25-2(line 25) no Hoare annotation was computed. [2018-09-19 16:23:33,526 INFO L426 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-09-19 16:23:33,526 INFO L426 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-09-19 16:23:33,526 INFO L429 ceAbstractionStarter]: At program point L76-3(lines 76 80) the Hoare annotation is: true [2018-09-19 16:23:33,527 INFO L426 ceAbstractionStarter]: For program point L76-4(lines 76 80) no Hoare annotation was computed. [2018-09-19 16:23:33,527 INFO L426 ceAbstractionStarter]: For program point L68(lines 68 71) no Hoare annotation was computed. [2018-09-19 16:23:33,534 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:33,535 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:33,535 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:33,536 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:33,542 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:33,542 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:33,543 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:33,543 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:33,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 04:23:33 BoogieIcfgContainer [2018-09-19 16:23:33,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 16:23:33,547 INFO L168 Benchmark]: Toolchain (without parser) took 70845.21 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.2 MB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -387.1 MB). Peak memory consumption was 352.1 MB. Max. memory is 7.1 GB. [2018-09-19 16:23:33,548 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 16:23:33,549 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.69 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 16:23:33,549 INFO L168 Benchmark]: Boogie Preprocessor took 64.36 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 16:23:33,550 INFO L168 Benchmark]: RCFGBuilder took 11490.09 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -767.5 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. [2018-09-19 16:23:33,551 INFO L168 Benchmark]: TraceAbstraction took 58771.83 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.8 GB in the end (delta: 359.3 MB). Peak memory consumption was 359.3 MB. Max. memory is 7.1 GB. [2018-09-19 16:23:33,555 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 512.69 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 64.36 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 11490.09 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 739.2 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -767.5 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 58771.83 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 1.8 GB in the end (delta: 359.3 MB). Peak memory consumption was 359.3 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] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 177]: 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: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant [2018-09-19 16:23:33,563 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:33,563 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:33,564 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:33,564 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:33,565 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:33,565 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:33,565 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] [2018-09-19 16:23:33,565 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_acosf_~hx~1,QUANTIFIED] Derived loop invariant: ((\old(x) == x && !~bvsgt32(ix, 1065353216bv32)) && \old(x) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && (\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])) - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 110 locations, 1 error locations. SAFE Result, 58.6s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 41.0s AutomataDifference, 0.0s DeadEndRemovalTime, 1.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 608 SDtfs, 274 SDslu, 2963 SDs, 0 SdLazy, 361 SolverSat, 15 SolverUnsat, 10 SolverUnknown, 0 SolverNotchecked, 32.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 227 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 16.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 37 PreInvPairs, 50 NumberOfFragments, 149 HoareAnnotationTreeSize, 37 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 12.5s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 194 ConstructedInterpolants, 28 QuantifiedInterpolants, 42506 SizeOfPredicates, 35 NumberOfNonLiveVariables, 696 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...