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_0831_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2c62905 [2018-09-19 16:27:23,643 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 16:27:23,645 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 16:27:23,664 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 16:27:23,665 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 16:27:23,667 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 16:27:23,669 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 16:27:23,674 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 16:27:23,676 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 16:27:23,677 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 16:27:23,680 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 16:27:23,680 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 16:27:23,681 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 16:27:23,682 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 16:27:23,684 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 16:27:23,686 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 16:27:23,688 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 16:27:23,698 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 16:27:23,700 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 16:27:23,701 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 16:27:23,703 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 16:27:23,704 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 16:27:23,706 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 16:27:23,706 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 16:27:23,706 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 16:27:23,707 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 16:27:23,708 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 16:27:23,709 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 16:27:23,710 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 16:27:23,711 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 16:27:23,711 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 16:27:23,712 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 16:27:23,712 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 16:27:23,712 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 16:27:23,713 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 16:27:23,714 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 16:27:23,714 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 16:27:23,733 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 16:27:23,733 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 16:27:23,734 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 16:27:23,734 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-19 16:27:23,735 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-19 16:27:23,735 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-19 16:27:23,736 INFO L133 SettingsManager]: * Use SBE=true [2018-09-19 16:27:23,736 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 16:27:23,736 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-19 16:27:23,736 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-19 16:27:23,737 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 16:27:23,737 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 16:27:23,737 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 16:27:23,737 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 16:27:23,737 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-19 16:27:23,738 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-19 16:27:23,738 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-19 16:27:23,738 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 16:27:23,738 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 16:27:23,738 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 16:27:23,739 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 16:27:23,739 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 16:27:23,739 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 16:27:23,739 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 16:27:23,740 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 16:27:23,740 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 16:27:23,740 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 16:27:23,740 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-19 16:27:23,740 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 16:27:23,741 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-19 16:27:23,741 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-19 16:27:23,741 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 16:27:23,785 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 16:27:23,800 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 16:27:23,805 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 16:27:23,806 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 16:27:23,807 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 16:27:23,807 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0831_true-unreach-call.c [2018-09-19 16:27:24,207 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c60cae77/6cf4bd497b334e1a9d9bc166f21084db/FLAG8790b9a23 [2018-09-19 16:27:24,439 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 16:27:24,440 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0831_true-unreach-call.c [2018-09-19 16:27:24,452 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c60cae77/6cf4bd497b334e1a9d9bc166f21084db/FLAG8790b9a23 [2018-09-19 16:27:24,468 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c60cae77/6cf4bd497b334e1a9d9bc166f21084db [2018-09-19 16:27:24,479 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 16:27:24,483 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-19 16:27:24,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 16:27:24,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 16:27:24,492 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 16:27:24,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:27:24" (1/1) ... [2018-09-19 16:27:24,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b14e85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:27:24, skipping insertion in model container [2018-09-19 16:27:24,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:27:24" (1/1) ... [2018-09-19 16:27:24,509 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 16:27:24,786 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 16:27:24,818 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 16:27:24,866 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 16:27:24,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:27:24 WrapperNode [2018-09-19 16:27:24,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 16:27:24,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 16:27:24,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 16:27:24,911 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 16:27:24,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:27:24" (1/1) ... [2018-09-19 16:27:24,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:27:24" (1/1) ... [2018-09-19 16:27:24,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:27:24" (1/1) ... [2018-09-19 16:27:24,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:27:24" (1/1) ... [2018-09-19 16:27:24,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:27:24" (1/1) ... [2018-09-19 16:27:24,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:27:24" (1/1) ... [2018-09-19 16:27:24,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:27:24" (1/1) ... [2018-09-19 16:27:24,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 16:27:24,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 16:27:24,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 16:27:24,973 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 16:27:24,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:27:24" (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 16:27:25,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 16:27:25,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 16:27:25,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-19 16:27:25,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-09-19 16:27:25,142 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 16:27:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-19 16:27:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-19 16:27:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-19 16:27:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-09-19 16:27:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-19 16:27:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-19 16:27:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-19 16:27:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-19 16:27:25,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-19 16:27:25,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-19 16:27:25,146 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 16:27:25,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 16:27:25,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 16:27:25,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-19 16:27:25,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-19 16:27:25,429 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:27:25,465 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:27:34,202 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:27:34,212 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:27:34,321 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:27:34,330 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:27:35,234 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 16:27:35,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:27:35 BoogieIcfgContainer [2018-09-19 16:27:35,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 16:27:35,236 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 16:27:35,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 16:27:35,239 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 16:27:35,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 04:27:24" (1/3) ... [2018-09-19 16:27:35,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@defc38c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:27:35, skipping insertion in model container [2018-09-19 16:27:35,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:27:24" (2/3) ... [2018-09-19 16:27:35,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@defc38c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:27:35, skipping insertion in model container [2018-09-19 16:27:35,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:27:35" (3/3) ... [2018-09-19 16:27:35,243 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0831_true-unreach-call.c [2018-09-19 16:27:35,252 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 16:27:35,259 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 16:27:35,304 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 16:27:35,305 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 16:27:35,307 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 16:27:35,307 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 16:27:35,307 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 16:27:35,307 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 16:27:35,308 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 16:27:35,308 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 16:27:35,308 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 16:27:35,331 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states. [2018-09-19 16:27:35,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-19 16:27:35,339 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:27:35,340 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 16:27:35,342 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:27:35,347 INFO L82 PathProgramCache]: Analyzing trace with hash 907118703, now seen corresponding path program 1 times [2018-09-19 16:27:35,353 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:27:35,353 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 16:27:35,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:27:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:27:35,481 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:27:35,503 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 16:27:35,504 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:27:35,524 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:27:35,524 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-19 16:27:35,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-19 16:27:35,546 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-19 16:27:35,547 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-19 16:27:35,550 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 2 states. [2018-09-19 16:27:35,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:27:35,600 INFO L93 Difference]: Finished difference Result 170 states and 212 transitions. [2018-09-19 16:27:35,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-19 16:27:35,602 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-09-19 16:27:35,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:27:35,620 INFO L225 Difference]: With dead ends: 170 [2018-09-19 16:27:35,623 INFO L226 Difference]: Without dead ends: 85 [2018-09-19 16:27:35,627 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 16:27:35,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-09-19 16:27:35,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-09-19 16:27:35,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-09-19 16:27:35,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 95 transitions. [2018-09-19 16:27:35,674 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 95 transitions. Word has length 20 [2018-09-19 16:27:35,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:27:35,674 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 95 transitions. [2018-09-19 16:27:35,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-19 16:27:35,675 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 95 transitions. [2018-09-19 16:27:35,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-19 16:27:35,676 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:27:35,676 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 16:27:35,676 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:27:35,677 INFO L82 PathProgramCache]: Analyzing trace with hash 2013527473, now seen corresponding path program 1 times [2018-09-19 16:27:35,678 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:27:35,678 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 16:27:35,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:27:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:27:35,796 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:27:36,729 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 16:27:36,730 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:27:36,741 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:27:36,742 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-19 16:27:36,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-19 16:27:36,744 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-19 16:27:36,744 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-19 16:27:36,744 INFO L87 Difference]: Start difference. First operand 85 states and 95 transitions. Second operand 9 states. [2018-09-19 16:27:37,422 WARN L178 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-09-19 16:27:51,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:27:51,379 INFO L93 Difference]: Finished difference Result 96 states and 106 transitions. [2018-09-19 16:27:51,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-09-19 16:27:51,380 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 29 [2018-09-19 16:27:51,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:27:51,385 INFO L225 Difference]: With dead ends: 96 [2018-09-19 16:27:51,385 INFO L226 Difference]: Without dead ends: 89 [2018-09-19 16:27:51,387 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-09-19 16:27:51,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-09-19 16:27:51,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 85. [2018-09-19 16:27:51,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-09-19 16:27:51,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 94 transitions. [2018-09-19 16:27:51,402 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 94 transitions. Word has length 29 [2018-09-19 16:27:51,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:27:51,403 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 94 transitions. [2018-09-19 16:27:51,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-19 16:27:51,403 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2018-09-19 16:27:51,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-19 16:27:51,404 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:27:51,404 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 16:27:51,405 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:27:51,405 INFO L82 PathProgramCache]: Analyzing trace with hash -272013875, now seen corresponding path program 1 times [2018-09-19 16:27:51,406 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:27:51,406 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 16:27:51,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:27:51,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:27:51,541 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:27:51,607 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 16:27:51,611 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 16:27:51,612 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:27:51,636 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:27:51,684 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 16:27:51,685 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-19 16:27:51,731 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 16:27:51,739 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 16:27:51,740 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:27:51,745 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:27:51,752 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 16:27:51,752 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-19 16:27:52,044 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 16:27:52,044 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:27:52,059 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:27:52,060 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 16:27:52,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 16:27:52,060 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 16:27:52,061 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-09-19 16:27:52,061 INFO L87 Difference]: Start difference. First operand 85 states and 94 transitions. Second operand 11 states. [2018-09-19 16:27:53,274 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 26 [2018-09-19 16:28:03,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:28:03,190 INFO L93 Difference]: Finished difference Result 102 states and 110 transitions. [2018-09-19 16:28:03,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-19 16:28:03,192 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 31 [2018-09-19 16:28:03,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:28:03,193 INFO L225 Difference]: With dead ends: 102 [2018-09-19 16:28:03,194 INFO L226 Difference]: Without dead ends: 86 [2018-09-19 16:28:03,194 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2018-09-19 16:28:03,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-09-19 16:28:03,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 83. [2018-09-19 16:28:03,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-09-19 16:28:03,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 87 transitions. [2018-09-19 16:28:03,205 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 87 transitions. Word has length 31 [2018-09-19 16:28:03,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:28:03,206 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 87 transitions. [2018-09-19 16:28:03,206 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 16:28:03,206 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2018-09-19 16:28:03,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-19 16:28:03,208 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:28:03,208 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] [2018-09-19 16:28:03,208 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:28:03,208 INFO L82 PathProgramCache]: Analyzing trace with hash 387576925, now seen corresponding path program 1 times [2018-09-19 16:28:03,209 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:28:03,209 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 16:28:03,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:28:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:28:04,081 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:28:04,119 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 16:28:04,129 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 16:28:04,129 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:28:04,134 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:28:04,144 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 16:28:04,145 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-19 16:28:04,169 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 16:28:04,174 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 16:28:04,175 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:28:04,181 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:28:04,186 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 16:28:04,186 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-19 16:28:04,371 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 16:28:04,371 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:28:04,393 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:28:04,393 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-19 16:28:04,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-19 16:28:04,394 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-19 16:28:04,394 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-19 16:28:04,394 INFO L87 Difference]: Start difference. First operand 83 states and 87 transitions. Second operand 9 states. [2018-09-19 16:28:18,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:28:18,804 INFO L93 Difference]: Finished difference Result 140 states and 145 transitions. [2018-09-19 16:28:18,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-09-19 16:28:18,805 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 36 [2018-09-19 16:28:18,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:28:18,808 INFO L225 Difference]: With dead ends: 140 [2018-09-19 16:28:18,808 INFO L226 Difference]: Without dead ends: 83 [2018-09-19 16:28:18,809 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-09-19 16:28:18,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-09-19 16:28:18,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2018-09-19 16:28:18,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-09-19 16:28:18,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 83 transitions. [2018-09-19 16:28:18,818 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 83 transitions. Word has length 36 [2018-09-19 16:28:18,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:28:18,819 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 83 transitions. [2018-09-19 16:28:18,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-19 16:28:18,819 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 83 transitions. [2018-09-19 16:28:18,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-19 16:28:18,821 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:28:18,821 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] [2018-09-19 16:28:18,821 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:28:18,821 INFO L82 PathProgramCache]: Analyzing trace with hash -2066044958, now seen corresponding path program 1 times [2018-09-19 16:28:18,822 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:28:18,822 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 16:28:18,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:28:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:28:19,701 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:28:19,736 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 16:28:19,743 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 16:28:19,744 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:28:19,747 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:28:19,759 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 16:28:19,759 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-19 16:28:19,783 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 16:28:19,791 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 16:28:19,792 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:28:19,795 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:28:19,798 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 16:28:19,798 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-19 16:28:19,941 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 16:28:19,941 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:28:19,961 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:28:19,962 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-09-19 16:28:19,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-09-19 16:28:19,962 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-09-19 16:28:19,962 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-09-19 16:28:19,963 INFO L87 Difference]: Start difference. First operand 81 states and 83 transitions. Second operand 9 states. [2018-09-19 16:28:30,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:28:30,008 INFO L93 Difference]: Finished difference Result 137 states and 140 transitions. [2018-09-19 16:28:30,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-19 16:28:30,009 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 37 [2018-09-19 16:28:30,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:28:30,010 INFO L225 Difference]: With dead ends: 137 [2018-09-19 16:28:30,010 INFO L226 Difference]: Without dead ends: 81 [2018-09-19 16:28:30,011 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-09-19 16:28:30,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-09-19 16:28:30,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-09-19 16:28:30,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-09-19 16:28:30,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 82 transitions. [2018-09-19 16:28:30,019 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 82 transitions. Word has length 37 [2018-09-19 16:28:30,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:28:30,020 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 82 transitions. [2018-09-19 16:28:30,020 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-09-19 16:28:30,020 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2018-09-19 16:28:30,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-19 16:28:30,021 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:28:30,021 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] [2018-09-19 16:28:30,022 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:28:30,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1642116324, now seen corresponding path program 1 times [2018-09-19 16:28:30,022 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:28:30,023 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 16:28:30,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:28:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:28:31,150 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:28:34,040 WARN L178 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-19 16:28:36,372 WARN L819 $PredicateComparison]: unable to prove that (exists ((__ieee754_expf_~t~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~lo~0 (_ FloatingPoint 8 24))) (= (fp.sub RNE (fp.sub RNE |c___ieee754_expf_#in~x| (fp.mul RNE __ieee754_expf_~t~0 (select c_~ln2HI_exp~0 (_ bv0 32)))) __ieee754_expf_~lo~0) c___ieee754_expf_~x)) is different from true [2018-09-19 16:28:38,471 WARN L797 $PredicateComparison]: unable to prove that (exists ((__ieee754_expf_~c~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~t~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~lo~0 (_ FloatingPoint 8 24))) (= (fp.sub RNE c_~one_exp~0 (let ((.cse0 (fp.sub RNE (fp.sub RNE |c___ieee754_expf_#in~x| (fp.mul RNE __ieee754_expf_~t~0 (select c_~ln2HI_exp~0 (_ bv0 32)))) __ieee754_expf_~lo~0))) (fp.sub RNE (fp.div RNE (fp.mul RNE .cse0 __ieee754_expf_~c~0) (fp.sub RNE __ieee754_expf_~c~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 2.0)))) .cse0))) |c___ieee754_expf_#res|)) is different from false [2018-09-19 16:28:40,549 WARN L819 $PredicateComparison]: unable to prove that (exists ((__ieee754_expf_~c~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~t~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~lo~0 (_ FloatingPoint 8 24))) (= (fp.sub RNE c_~one_exp~0 (let ((.cse0 (fp.sub RNE (fp.sub RNE |c___ieee754_expf_#in~x| (fp.mul RNE __ieee754_expf_~t~0 (select c_~ln2HI_exp~0 (_ bv0 32)))) __ieee754_expf_~lo~0))) (fp.sub RNE (fp.div RNE (fp.mul RNE .cse0 __ieee754_expf_~c~0) (fp.sub RNE __ieee754_expf_~c~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 2.0)))) .cse0))) |c___ieee754_expf_#res|)) is different from true [2018-09-19 16:28:41,367 INFO L303 Elim1Store]: Index analysis took 814 ms [2018-09-19 16:28:41,368 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 46 [2018-09-19 16:28:41,369 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-19 16:28:42,222 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2018-09-19 16:28:42,223 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:50, output treesize:46 [2018-09-19 16:28:44,307 WARN L178 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-09-19 16:28:46,485 WARN L178 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-09-19 16:28:50,630 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 16:28:50,630 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:28:50,661 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:28:50,662 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-19 16:28:50,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-19 16:28:50,662 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-19 16:28:50,662 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=58, Unknown=3, NotChecked=30, Total=110 [2018-09-19 16:28:50,663 INFO L87 Difference]: Start difference. First operand 81 states and 82 transitions. Second operand 11 states. [2018-09-19 16:28:57,825 WARN L797 $PredicateComparison]: unable to prove that (and (exists ((__ieee754_expf_~t~0 (_ FloatingPoint 8 24))) (= c___ieee754_expf_~hi~0 (fp.sub RNE |c___ieee754_expf_#in~x| (fp.mul RNE __ieee754_expf_~t~0 (select c_~ln2HI_exp~0 (_ bv0 32)))))) (exists ((__ieee754_expf_~t~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~lo~0 (_ FloatingPoint 8 24))) (= (fp.sub RNE (fp.sub RNE |c___ieee754_expf_#in~x| (fp.mul RNE __ieee754_expf_~t~0 (select c_~ln2HI_exp~0 (_ bv0 32)))) __ieee754_expf_~lo~0) c___ieee754_expf_~x))) is different from false [2018-09-19 16:28:59,847 WARN L819 $PredicateComparison]: unable to prove that (and (exists ((__ieee754_expf_~t~0 (_ FloatingPoint 8 24))) (= c___ieee754_expf_~hi~0 (fp.sub RNE |c___ieee754_expf_#in~x| (fp.mul RNE __ieee754_expf_~t~0 (select c_~ln2HI_exp~0 (_ bv0 32)))))) (exists ((__ieee754_expf_~t~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~lo~0 (_ FloatingPoint 8 24))) (= (fp.sub RNE (fp.sub RNE |c___ieee754_expf_#in~x| (fp.mul RNE __ieee754_expf_~t~0 (select c_~ln2HI_exp~0 (_ bv0 32)))) __ieee754_expf_~lo~0) c___ieee754_expf_~x))) is different from true [2018-09-19 16:29:07,062 WARN L178 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 26 [2018-09-19 16:29:07,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:29:07,680 INFO L93 Difference]: Finished difference Result 88 states and 89 transitions. [2018-09-19 16:29:07,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-09-19 16:29:07,681 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 37 [2018-09-19 16:29:07,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:29:07,683 INFO L225 Difference]: With dead ends: 88 [2018-09-19 16:29:07,684 INFO L226 Difference]: Without dead ends: 81 [2018-09-19 16:29:07,685 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.8s TimeCoverageRelationStatistics Valid=25, Invalid=72, Unknown=5, NotChecked=54, Total=156 [2018-09-19 16:29:07,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-09-19 16:29:07,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-09-19 16:29:07,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-09-19 16:29:07,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2018-09-19 16:29:07,691 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 81 transitions. Word has length 37 [2018-09-19 16:29:07,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:29:07,692 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 81 transitions. [2018-09-19 16:29:07,692 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-19 16:29:07,692 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 81 transitions. [2018-09-19 16:29:07,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-19 16:29:07,694 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:29:07,694 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 16:29:07,695 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:29:07,695 INFO L82 PathProgramCache]: Analyzing trace with hash 654451945, now seen corresponding path program 1 times [2018-09-19 16:29:07,696 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:29:07,696 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-09-19 16:29:07,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:29:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:29:08,975 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:29:13,307 WARN L178 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 13 [2018-09-19 16:29:19,872 WARN L178 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-09-19 16:29:19,911 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 16:29:19,911 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:29:19,940 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:29:19,941 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-19 16:29:19,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-19 16:29:19,941 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-19 16:29:19,941 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-09-19 16:29:19,942 INFO L87 Difference]: Start difference. First operand 81 states and 81 transitions. Second operand 6 states. [2018-09-19 16:29:41,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:29:41,719 INFO L93 Difference]: Finished difference Result 81 states and 81 transitions. [2018-09-19 16:29:41,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-19 16:29:41,773 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2018-09-19 16:29:41,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:29:41,774 INFO L225 Difference]: With dead ends: 81 [2018-09-19 16:29:41,774 INFO L226 Difference]: Without dead ends: 0 [2018-09-19 16:29:41,775 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-09-19 16:29:41,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-19 16:29:41,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-19 16:29:41,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-19 16:29:41,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-19 16:29:41,777 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2018-09-19 16:29:41,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:29:41,777 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-19 16:29:41,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-19 16:29:41,778 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-19 16:29:41,778 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-19 16:29:41,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-19 16:29:44,429 WARN L178 SmtUtils]: Spent 2.52 s on a formula simplification that was a NOOP. DAG size: 37 [2018-09-19 16:29:46,367 WARN L178 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 37 [2018-09-19 16:29:46,373 INFO L426 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-09-19 16:29:46,373 INFO L429 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-09-19 16:29:46,373 INFO L426 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-09-19 16:29:46,374 INFO L426 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-09-19 16:29:46,374 INFO L426 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-09-19 16:29:46,374 INFO L426 ceAbstractionStarter]: For program point L85-1(line 85) no Hoare annotation was computed. [2018-09-19 16:29:46,374 INFO L426 ceAbstractionStarter]: For program point L85-2(line 85) no Hoare annotation was computed. [2018-09-19 16:29:46,375 INFO L426 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2018-09-19 16:29:46,375 INFO L426 ceAbstractionStarter]: For program point L85-3(line 85) no Hoare annotation was computed. [2018-09-19 16:29:46,375 INFO L426 ceAbstractionStarter]: For program point L44(line 44) no Hoare annotation was computed. [2018-09-19 16:29:46,375 INFO L426 ceAbstractionStarter]: For program point L44-1(line 44) no Hoare annotation was computed. [2018-09-19 16:29:46,375 INFO L426 ceAbstractionStarter]: For program point L44-2(line 44) no Hoare annotation was computed. [2018-09-19 16:29:46,376 INFO L426 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2018-09-19 16:29:46,376 INFO L426 ceAbstractionStarter]: For program point L102-2(lines 95 108) no Hoare annotation was computed. [2018-09-19 16:29:46,376 INFO L426 ceAbstractionStarter]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2018-09-19 16:29:46,376 INFO L426 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2018-09-19 16:29:46,376 INFO L426 ceAbstractionStarter]: For program point L53(lines 53 54) no Hoare annotation was computed. [2018-09-19 16:29:46,376 INFO L426 ceAbstractionStarter]: For program point L78(lines 78 81) no Hoare annotation was computed. [2018-09-19 16:29:46,376 INFO L426 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-09-19 16:29:46,376 INFO L426 ceAbstractionStarter]: For program point L70(lines 70 73) no Hoare annotation was computed. [2018-09-19 16:29:46,376 INFO L426 ceAbstractionStarter]: For program point L103-1(line 103) no Hoare annotation was computed. [2018-09-19 16:29:46,376 INFO L426 ceAbstractionStarter]: For program point L103-2(line 103) no Hoare annotation was computed. [2018-09-19 16:29:46,377 INFO L426 ceAbstractionStarter]: For program point L70-2(lines 58 73) no Hoare annotation was computed. [2018-09-19 16:29:46,377 INFO L426 ceAbstractionStarter]: For program point L103-3(line 103) no Hoare annotation was computed. [2018-09-19 16:29:46,377 INFO L426 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-09-19 16:29:46,377 INFO L426 ceAbstractionStarter]: For program point L87-1(line 87) no Hoare annotation was computed. [2018-09-19 16:29:46,377 INFO L426 ceAbstractionStarter]: For program point L87-2(line 87) no Hoare annotation was computed. [2018-09-19 16:29:46,377 INFO L426 ceAbstractionStarter]: For program point __ieee754_expfEXIT(lines 36 109) no Hoare annotation was computed. [2018-09-19 16:29:46,377 INFO L426 ceAbstractionStarter]: For program point L104(line 104) no Hoare annotation was computed. [2018-09-19 16:29:46,378 INFO L426 ceAbstractionStarter]: For program point L71(lines 71 72) no Hoare annotation was computed. [2018-09-19 16:29:46,378 INFO L429 ceAbstractionStarter]: At program point __ieee754_expfENTRY(lines 36 109) the Hoare annotation is: true [2018-09-19 16:29:46,378 INFO L426 ceAbstractionStarter]: For program point L55(lines 55 56) no Hoare annotation was computed. [2018-09-19 16:29:46,378 INFO L426 ceAbstractionStarter]: For program point __ieee754_expfFINAL(lines 36 109) no Hoare annotation was computed. [2018-09-19 16:29:46,378 INFO L426 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-09-19 16:29:46,378 INFO L426 ceAbstractionStarter]: For program point L105-1(line 105) no Hoare annotation was computed. [2018-09-19 16:29:46,378 INFO L426 ceAbstractionStarter]: For program point L105-2(line 105) no Hoare annotation was computed. [2018-09-19 16:29:46,379 INFO L426 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2018-09-19 16:29:46,379 INFO L422 ceAbstractionStarter]: At program point L97-3(lines 97 101) the Hoare annotation is: (or (exists ((__ieee754_expf_~xsb~0 (_ BitVec 32))) (not (= ((_ fp.to_sbv 32) RTZ (fp.add RNE (fp.mul RNE ~invln2_exp~0 |__ieee754_expf_#in~x|) (select ~halF_exp~0 __ieee754_expf_~xsb~0))) (_ bv0 32)))) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (bvugt (bvand __ieee754_expf_~sx~0 (_ bv2147483647 32)) (_ bv1051816472 32))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) (and (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (bvult (bvand __ieee754_expf_~sx~0 (_ bv2147483647 32)) (_ bv1065686418 32)) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|) (= (bvand __ieee754_expf_~sx~0 (_ bv2147483647 32)) __ieee754_expf_~hx~0))))) [2018-09-19 16:29:46,379 INFO L426 ceAbstractionStarter]: For program point L89(lines 89 93) no Hoare annotation was computed. [2018-09-19 16:29:46,379 INFO L426 ceAbstractionStarter]: For program point L89-2(lines 82 95) no Hoare annotation was computed. [2018-09-19 16:29:46,379 INFO L426 ceAbstractionStarter]: For program point L89-3(lines 89 93) no Hoare annotation was computed. [2018-09-19 16:29:46,380 INFO L426 ceAbstractionStarter]: For program point L98(line 98) no Hoare annotation was computed. [2018-09-19 16:29:46,380 INFO L426 ceAbstractionStarter]: For program point L98-1(line 98) no Hoare annotation was computed. [2018-09-19 16:29:46,380 INFO L426 ceAbstractionStarter]: For program point L98-2(line 98) no Hoare annotation was computed. [2018-09-19 16:29:46,380 INFO L426 ceAbstractionStarter]: For program point L98-3(line 98) no Hoare annotation was computed. [2018-09-19 16:29:46,380 INFO L426 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2018-09-19 16:29:46,380 INFO L426 ceAbstractionStarter]: For program point L90-1(line 90) no Hoare annotation was computed. [2018-09-19 16:29:46,380 INFO L426 ceAbstractionStarter]: For program point L90-2(line 90) no Hoare annotation was computed. [2018-09-19 16:29:46,380 INFO L426 ceAbstractionStarter]: For program point L90-3(line 90) no Hoare annotation was computed. [2018-09-19 16:29:46,381 INFO L426 ceAbstractionStarter]: For program point L82(lines 82 108) no Hoare annotation was computed. [2018-09-19 16:29:46,381 INFO L426 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2018-09-19 16:29:46,381 INFO L426 ceAbstractionStarter]: For program point L41-1(lines 41 45) no Hoare annotation was computed. [2018-09-19 16:29:46,381 INFO L422 ceAbstractionStarter]: At program point L41-3(lines 41 45) the Hoare annotation is: (= |__ieee754_expf_#in~x| __ieee754_expf_~x) [2018-09-19 16:29:46,381 INFO L426 ceAbstractionStarter]: For program point L41-4(lines 41 45) no Hoare annotation was computed. [2018-09-19 16:29:46,381 INFO L426 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-09-19 16:29:46,382 INFO L426 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-09-19 16:29:46,382 INFO L426 ceAbstractionStarter]: For program point L58(lines 58 73) no Hoare annotation was computed. [2018-09-19 16:29:46,382 INFO L426 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-09-19 16:29:46,382 INFO L426 ceAbstractionStarter]: For program point L42-1(line 42) no Hoare annotation was computed. [2018-09-19 16:29:46,382 INFO L426 ceAbstractionStarter]: For program point L42-2(line 42) no Hoare annotation was computed. [2018-09-19 16:29:46,382 INFO L426 ceAbstractionStarter]: For program point L42-3(line 42) no Hoare annotation was computed. [2018-09-19 16:29:46,382 INFO L426 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-09-19 16:29:46,383 INFO L426 ceAbstractionStarter]: For program point L100-1(line 100) no Hoare annotation was computed. [2018-09-19 16:29:46,383 INFO L426 ceAbstractionStarter]: For program point L100-2(line 100) no Hoare annotation was computed. [2018-09-19 16:29:46,383 INFO L426 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2018-09-19 16:29:46,383 INFO L426 ceAbstractionStarter]: For program point L59(lines 59 68) no Hoare annotation was computed. [2018-09-19 16:29:46,383 INFO L426 ceAbstractionStarter]: For program point L92-1(line 92) no Hoare annotation was computed. [2018-09-19 16:29:46,383 INFO L426 ceAbstractionStarter]: For program point L92-2(line 92) no Hoare annotation was computed. [2018-09-19 16:29:46,384 INFO L426 ceAbstractionStarter]: For program point L59-2(lines 59 68) no Hoare annotation was computed. [2018-09-19 16:29:46,384 INFO L426 ceAbstractionStarter]: For program point L51(lines 51 52) no Hoare annotation was computed. [2018-09-19 16:29:46,384 INFO L426 ceAbstractionStarter]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2018-09-19 16:29:46,384 INFO L422 ceAbstractionStarter]: At program point L84-3(lines 84 88) the Hoare annotation is: (or (exists ((__ieee754_expf_~xsb~0 (_ BitVec 32))) (not (= ((_ fp.to_sbv 32) RTZ (fp.add RNE (fp.mul RNE ~invln2_exp~0 |__ieee754_expf_#in~x|) (select ~halF_exp~0 __ieee754_expf_~xsb~0))) (_ bv0 32)))) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (bvugt (bvand __ieee754_expf_~sx~0 (_ bv2147483647 32)) (_ bv1051816472 32))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) (and (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (bvult (bvand __ieee754_expf_~sx~0 (_ bv2147483647 32)) (_ bv1065686418 32)) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|) (= (bvand __ieee754_expf_~sx~0 (_ bv2147483647 32)) __ieee754_expf_~hx~0))))) [2018-09-19 16:29:46,384 INFO L426 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-09-19 16:29:46,385 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-19 16:29:46,385 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-19 16:29:46,385 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-19 16:29:46,385 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-19 16:29:46,385 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-19 16:29:46,386 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-19 16:29:46,386 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-19 16:29:46,386 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 111 126) the Hoare annotation is: true [2018-09-19 16:29:46,386 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 111 126) no Hoare annotation was computed. [2018-09-19 16:29:46,386 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 121) no Hoare annotation was computed. [2018-09-19 16:29:46,386 INFO L426 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-09-19 16:29:46,387 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 111 126) no Hoare annotation was computed. [2018-09-19 16:29:46,387 INFO L422 ceAbstractionStarter]: At program point L120(line 120) the Hoare annotation is: (= (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)) main_~x~0) [2018-09-19 16:29:46,387 INFO L426 ceAbstractionStarter]: For program point L120-1(lines 120 123) no Hoare annotation was computed. [2018-09-19 16:29:46,387 INFO L422 ceAbstractionStarter]: At program point L117(line 117) the Hoare annotation is: (= (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)) main_~x~0) [2018-09-19 16:29:46,387 INFO L426 ceAbstractionStarter]: For program point L117-1(line 117) no Hoare annotation was computed. [2018-09-19 16:29:46,391 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: unknown symbol ((_ fp.to_sbv 32) RoundingMode (_ FloatingPoint 8 24) (_ BitVec 32)) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.getBinaryOperator(Term2Expression.java:539) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:234) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:128) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:164) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:128) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:164) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:128) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:434) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:134) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:164) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:108) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:92) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:532) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:195) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-09-19 16:29:46,394 INFO L168 Benchmark]: Toolchain (without parser) took 141914.48 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 740.3 MB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -363.5 MB). Peak memory consumption was 376.8 MB. Max. memory is 7.1 GB. [2018-09-19 16:29:46,396 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 16:29:46,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 426.68 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 16:29:46,397 INFO L168 Benchmark]: Boogie Preprocessor took 61.72 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 16:29:46,398 INFO L168 Benchmark]: RCFGBuilder took 10262.11 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 740.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -775.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. [2018-09-19 16:29:46,399 INFO L168 Benchmark]: TraceAbstraction took 131157.78 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: 401.6 MB). Peak memory consumption was 401.6 MB. Max. memory is 7.1 GB. [2018-09-19 16:29:46,403 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 426.68 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 61.72 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 10262.11 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 740.3 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -775.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 131157.78 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: 401.6 MB). Peak memory consumption was 401.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 121]: 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 - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol ((_ fp.to_sbv 32) RoundingMode (_ FloatingPoint 8 24) (_ BitVec 32)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: unknown symbol ((_ fp.to_sbv 32) RoundingMode (_ FloatingPoint 8 24) (_ BitVec 32)): de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.getBinaryOperator(Term2Expression.java:539) RESULT: Ultimate could not prove your program: Toolchain returned no result. [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...