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_1010_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2c62905 [2018-09-19 16:33:56,842 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 16:33:56,845 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 16:33:56,858 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 16:33:56,858 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 16:33:56,859 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 16:33:56,861 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 16:33:56,863 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 16:33:56,865 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 16:33:56,866 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 16:33:56,868 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 16:33:56,868 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 16:33:56,869 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 16:33:56,870 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 16:33:56,871 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 16:33:56,872 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 16:33:56,873 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 16:33:56,875 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 16:33:56,878 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 16:33:56,880 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 16:33:56,881 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 16:33:56,882 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 16:33:56,885 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 16:33:56,886 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 16:33:56,886 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 16:33:56,887 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 16:33:56,888 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 16:33:56,889 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 16:33:56,890 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 16:33:56,892 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 16:33:56,892 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 16:33:56,893 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 16:33:56,894 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 16:33:56,894 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 16:33:56,895 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 16:33:56,896 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 16:33:56,896 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 16:33:56,930 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 16:33:56,930 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 16:33:56,932 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 16:33:56,932 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-19 16:33:56,933 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-19 16:33:56,933 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-19 16:33:56,933 INFO L133 SettingsManager]: * Use SBE=true [2018-09-19 16:33:56,935 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 16:33:56,936 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-19 16:33:56,936 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-19 16:33:56,936 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 16:33:56,936 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 16:33:56,937 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 16:33:56,937 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 16:33:56,937 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-19 16:33:56,938 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-19 16:33:56,938 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-19 16:33:56,938 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 16:33:56,938 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 16:33:56,940 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 16:33:56,940 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 16:33:56,941 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 16:33:56,941 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 16:33:56,941 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 16:33:56,941 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 16:33:56,941 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 16:33:56,942 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 16:33:56,942 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-19 16:33:56,942 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 16:33:56,942 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-19 16:33:56,943 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-19 16:33:56,943 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 16:33:57,017 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 16:33:57,031 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 16:33:57,036 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 16:33:57,038 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 16:33:57,039 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 16:33:57,040 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-09-19 16:33:57,418 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93c3fbaf8/43d3d8e78379411b8a65b93faca5c000/FLAGcf3e03df0 [2018-09-19 16:33:57,592 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 16:33:57,593 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1010_true-unreach-call.c [2018-09-19 16:33:57,600 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93c3fbaf8/43d3d8e78379411b8a65b93faca5c000/FLAGcf3e03df0 [2018-09-19 16:33:57,615 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93c3fbaf8/43d3d8e78379411b8a65b93faca5c000 [2018-09-19 16:33:57,626 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 16:33:57,629 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-19 16:33:57,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 16:33:57,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 16:33:57,638 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 16:33:57,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:33:57" (1/1) ... [2018-09-19 16:33:57,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bb5d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:33:57, skipping insertion in model container [2018-09-19 16:33:57,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:33:57" (1/1) ... [2018-09-19 16:33:57,656 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 16:33:57,880 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 16:33:57,900 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 16:33:57,910 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 16:33:57,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:33:57 WrapperNode [2018-09-19 16:33:57,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 16:33:57,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 16:33:57,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 16:33:57,951 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 16:33:57,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:33:57" (1/1) ... [2018-09-19 16:33:57,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:33:57" (1/1) ... [2018-09-19 16:33:57,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:33:57" (1/1) ... [2018-09-19 16:33:57,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:33:57" (1/1) ... [2018-09-19 16:33:57,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:33:57" (1/1) ... [2018-09-19 16:33:57,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:33:57" (1/1) ... [2018-09-19 16:33:57,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:33:57" (1/1) ... [2018-09-19 16:33:57,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 16:33:57,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 16:33:57,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 16:33:57,996 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 16:33:57,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:33:57" (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 16:33:58,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 16:33:58,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 16:33:58,071 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-19 16:33:58,071 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-09-19 16:33:58,071 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 16:33:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-19 16:33:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-19 16:33:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-19 16:33:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-09-19 16:33:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-19 16:33:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-19 16:33:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-19 16:33:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-19 16:33:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-19 16:33:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-19 16:33:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 16:33:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 16:33:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 16:33:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-19 16:33:58,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-19 16:33:58,431 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:33:58,473 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:33:58,627 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 16:33:58,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:33:58 BoogieIcfgContainer [2018-09-19 16:33:58,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 16:33:58,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 16:33:58,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 16:33:58,633 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 16:33:58,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 04:33:57" (1/3) ... [2018-09-19 16:33:58,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16f97d1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:33:58, skipping insertion in model container [2018-09-19 16:33:58,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:33:57" (2/3) ... [2018-09-19 16:33:58,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16f97d1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:33:58, skipping insertion in model container [2018-09-19 16:33:58,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:33:58" (3/3) ... [2018-09-19 16:33:58,640 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1010_true-unreach-call.c [2018-09-19 16:33:58,649 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 16:33:58,659 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 16:33:58,711 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 16:33:58,712 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 16:33:58,712 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 16:33:58,712 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 16:33:58,712 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 16:33:58,713 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 16:33:58,713 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 16:33:58,713 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 16:33:58,713 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 16:33:58,732 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2018-09-19 16:33:58,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-19 16:33:58,739 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:33:58,740 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] [2018-09-19 16:33:58,743 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:33:58,748 INFO L82 PathProgramCache]: Analyzing trace with hash 417414279, now seen corresponding path program 1 times [2018-09-19 16:33:58,754 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:33:58,754 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-19 16:33:58,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-19 16:33:58,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:33:58,833 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:33:58,865 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 16:33:58,865 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:33:58,878 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:33:58,879 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-19 16:33:58,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-19 16:33:58,896 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-19 16:33:58,897 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-19 16:33:58,900 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 2 states. [2018-09-19 16:33:58,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:33:58,925 INFO L93 Difference]: Finished difference Result 78 states and 86 transitions. [2018-09-19 16:33:58,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-19 16:33:58,927 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-09-19 16:33:58,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:33:58,936 INFO L225 Difference]: With dead ends: 78 [2018-09-19 16:33:58,937 INFO L226 Difference]: Without dead ends: 39 [2018-09-19 16:33:58,940 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 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 16:33:58,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-09-19 16:33:58,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-09-19 16:33:58,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-09-19 16:33:58,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 38 transitions. [2018-09-19 16:33:58,981 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 38 transitions. Word has length 20 [2018-09-19 16:33:58,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:33:58,982 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 38 transitions. [2018-09-19 16:33:58,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-19 16:33:58,982 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 38 transitions. [2018-09-19 16:33:58,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-19 16:33:58,984 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:33:58,984 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] [2018-09-19 16:33:58,984 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:33:58,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1999044579, now seen corresponding path program 1 times [2018-09-19 16:33:58,986 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:33:58,986 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 16:33:58,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:33:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:33:59,061 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:33:59,230 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 16:33:59,240 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 16:33:59,241 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:33:59,246 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:33:59,262 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 16:33:59,263 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-19 16:33:59,312 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 16:33:59,333 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 16:33:59,333 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:33:59,343 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:33:59,366 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 16:33:59,367 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-19 16:33:59,632 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-09-19 16:33:59,636 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-09-19 16:33:59,637 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:33:59,657 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:33:59,674 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-19 16:33:59,675 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:19 [2018-09-19 16:33:59,739 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 31 treesize of output 23 [2018-09-19 16:33:59,754 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 23 treesize of output 15 [2018-09-19 16:33:59,755 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:33:59,765 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:33:59,778 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-19 16:33:59,778 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:40, output treesize:25 [2018-09-19 16:34:00,850 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 16:34:00,850 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:34:00,866 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:34:00,866 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-09-19 16:34:00,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-19 16:34:00,869 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-19 16:34:00,870 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-09-19 16:34:00,870 INFO L87 Difference]: Start difference. First operand 39 states and 38 transitions. Second operand 15 states. [2018-09-19 16:34:01,604 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-09-19 16:34:02,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:34:02,778 INFO L93 Difference]: Finished difference Result 39 states and 38 transitions. [2018-09-19 16:34:02,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-09-19 16:34:02,778 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 38 [2018-09-19 16:34:02,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:34:02,779 INFO L225 Difference]: With dead ends: 39 [2018-09-19 16:34:02,780 INFO L226 Difference]: Without dead ends: 0 [2018-09-19 16:34:02,782 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=109, Invalid=703, Unknown=0, NotChecked=0, Total=812 [2018-09-19 16:34:02,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-19 16:34:02,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-19 16:34:02,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-19 16:34:02,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-19 16:34:02,783 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2018-09-19 16:34:02,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:34:02,783 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-19 16:34:02,784 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-19 16:34:02,784 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-19 16:34:02,784 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-19 16:34:02,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-19 16:34:03,054 INFO L426 ceAbstractionStarter]: For program point isnan_floatFINAL(line 12) no Hoare annotation was computed. [2018-09-19 16:34:03,055 INFO L429 ceAbstractionStarter]: At program point isnan_floatENTRY(line 12) the Hoare annotation is: true [2018-09-19 16:34:03,055 INFO L426 ceAbstractionStarter]: For program point isnan_floatEXIT(line 12) no Hoare annotation was computed. [2018-09-19 16:34:03,055 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-19 16:34:03,055 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-19 16:34:03,055 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-19 16:34:03,056 INFO L426 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 14 27) no Hoare annotation was computed. [2018-09-19 16:34:03,056 INFO L426 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-09-19 16:34:03,056 INFO L426 ceAbstractionStarter]: For program point L21(lines 21 25) no Hoare annotation was computed. [2018-09-19 16:34:03,056 INFO L426 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-09-19 16:34:03,056 INFO L426 ceAbstractionStarter]: For program point L21-2(lines 14 27) no Hoare annotation was computed. [2018-09-19 16:34:03,057 INFO L426 ceAbstractionStarter]: For program point L19-1(line 19) no Hoare annotation was computed. [2018-09-19 16:34:03,057 INFO L426 ceAbstractionStarter]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2018-09-19 16:34:03,057 INFO L426 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-09-19 16:34:03,057 INFO L426 ceAbstractionStarter]: For program point L19-2(line 19) no Hoare annotation was computed. [2018-09-19 16:34:03,057 INFO L426 ceAbstractionStarter]: For program point L17-1(line 17) no Hoare annotation was computed. [2018-09-19 16:34:03,058 INFO L426 ceAbstractionStarter]: For program point L17-2(line 17) no Hoare annotation was computed. [2018-09-19 16:34:03,058 INFO L426 ceAbstractionStarter]: For program point L17-3(line 17) no Hoare annotation was computed. [2018-09-19 16:34:03,058 INFO L426 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 14 27) no Hoare annotation was computed. [2018-09-19 16:34:03,058 INFO L426 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-09-19 16:34:03,058 INFO L426 ceAbstractionStarter]: For program point L24-1(line 24) no Hoare annotation was computed. [2018-09-19 16:34:03,058 INFO L429 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 14 27) the Hoare annotation is: true [2018-09-19 16:34:03,059 INFO L426 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-09-19 16:34:03,059 INFO L426 ceAbstractionStarter]: For program point L24-2(line 24) no Hoare annotation was computed. [2018-09-19 16:34:03,059 INFO L426 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2018-09-19 16:34:03,059 INFO L426 ceAbstractionStarter]: For program point L22-2(line 22) no Hoare annotation was computed. [2018-09-19 16:34:03,059 INFO L426 ceAbstractionStarter]: For program point L22-3(line 22) no Hoare annotation was computed. [2018-09-19 16:34:03,059 INFO L426 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-09-19 16:34:03,060 INFO L426 ceAbstractionStarter]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2018-09-19 16:34:03,060 INFO L422 ceAbstractionStarter]: At program point L16-3(lines 16 20) the Hoare annotation is: (= fabs_float_~x |fabs_float_#in~x|) [2018-09-19 16:34:03,060 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-19 16:34:03,060 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-19 16:34:03,060 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-19 16:34:03,061 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-19 16:34:03,061 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 29 45) the Hoare annotation is: true [2018-09-19 16:34:03,061 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 40) no Hoare annotation was computed. [2018-09-19 16:34:03,061 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 29 45) no Hoare annotation was computed. [2018-09-19 16:34:03,062 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 29 45) no Hoare annotation was computed. [2018-09-19 16:34:03,062 INFO L426 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-09-19 16:34:03,062 INFO L422 ceAbstractionStarter]: At program point L39(line 39) the Hoare annotation is: (and (= (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)) main_~x~0) (exists ((fabs_float_~ix~0 (_ BitVec 32))) (and (= (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)) (fp ((_ extract 31 31) fabs_float_~ix~0) ((_ extract 30 23) fabs_float_~ix~0) ((_ extract 22 0) fabs_float_~ix~0))) (= main_~res~0 (let ((.cse0 (bvand fabs_float_~ix~0 (_ bv2147483647 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))))))) [2018-09-19 16:34:03,062 INFO L426 ceAbstractionStarter]: For program point L39-1(lines 39 42) no Hoare annotation was computed. [2018-09-19 16:34:03,062 INFO L422 ceAbstractionStarter]: At program point L36(line 36) the Hoare annotation is: (= (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)) main_~x~0) [2018-09-19 16:34:03,063 INFO L426 ceAbstractionStarter]: For program point L36-1(line 36) no Hoare annotation was computed. [2018-09-19 16:34:03,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 04:34:03 BoogieIcfgContainer [2018-09-19 16:34:03,078 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 16:34:03,079 INFO L168 Benchmark]: Toolchain (without parser) took 5452.50 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 734.5 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -600.4 MB). Peak memory consumption was 134.1 MB. Max. memory is 7.1 GB. [2018-09-19 16:34:03,081 INFO L168 Benchmark]: CDTParser took 0.25 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 16:34:03,081 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.97 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 16:34:03,082 INFO L168 Benchmark]: Boogie Preprocessor took 44.83 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 16:34:03,082 INFO L168 Benchmark]: RCFGBuilder took 632.93 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 734.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -780.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2018-09-19 16:34:03,084 INFO L168 Benchmark]: TraceAbstraction took 4448.53 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 169.4 MB). Peak memory consumption was 169.4 MB. Max. memory is 7.1 GB. [2018-09-19 16:34:03,088 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 318.97 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 44.83 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 632.93 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 734.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -780.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4448.53 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 169.4 MB). Peak memory consumption was 169.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 40]: 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: 16]: Loop Invariant Derived loop invariant: x == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 43 locations, 1 error locations. SAFE Result, 4.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 66 SDtfs, 25 SDslu, 259 SDs, 0 SdLazy, 156 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 10 PreInvPairs, 12 NumberOfFragments, 51 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 56 ConstructedInterpolants, 12 QuantifiedInterpolants, 17973 SizeOfPredicates, 14 NumberOfNonLiveVariables, 118 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...