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_1381_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2c62905 [2018-09-19 16:36:06,411 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 16:36:06,413 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 16:36:06,426 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 16:36:06,426 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 16:36:06,427 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 16:36:06,428 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 16:36:06,430 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 16:36:06,432 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 16:36:06,432 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 16:36:06,433 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 16:36:06,434 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 16:36:06,435 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 16:36:06,436 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 16:36:06,437 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 16:36:06,438 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 16:36:06,438 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 16:36:06,440 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 16:36:06,442 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 16:36:06,443 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 16:36:06,444 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 16:36:06,446 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 16:36:06,448 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 16:36:06,448 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 16:36:06,449 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 16:36:06,450 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 16:36:06,451 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 16:36:06,451 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 16:36:06,452 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 16:36:06,453 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 16:36:06,453 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 16:36:06,454 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 16:36:06,454 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 16:36:06,455 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 16:36:06,456 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 16:36:06,456 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 16:36:06,457 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 16:36:06,472 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 16:36:06,472 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 16:36:06,473 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 16:36:06,473 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-19 16:36:06,474 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-19 16:36:06,474 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-19 16:36:06,474 INFO L133 SettingsManager]: * Use SBE=true [2018-09-19 16:36:06,474 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 16:36:06,475 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-19 16:36:06,475 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-19 16:36:06,475 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 16:36:06,475 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 16:36:06,475 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 16:36:06,476 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 16:36:06,476 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-19 16:36:06,476 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-19 16:36:06,476 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-19 16:36:06,476 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 16:36:06,477 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 16:36:06,477 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 16:36:06,477 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 16:36:06,477 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 16:36:06,477 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 16:36:06,478 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 16:36:06,478 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 16:36:06,478 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 16:36:06,478 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 16:36:06,478 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-19 16:36:06,479 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 16:36:06,479 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-19 16:36:06,479 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-19 16:36:06,479 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 16:36:06,537 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 16:36:06,553 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 16:36:06,557 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 16:36:06,559 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 16:36:06,560 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 16:36:06,560 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1381_true-unreach-call.c [2018-09-19 16:36:06,905 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdacc3550/99e6d3c8e38b45c1acc9edd0abd5f7c6/FLAG1bccdd374 [2018-09-19 16:36:07,066 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 16:36:07,066 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1381_true-unreach-call.c [2018-09-19 16:36:07,075 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdacc3550/99e6d3c8e38b45c1acc9edd0abd5f7c6/FLAG1bccdd374 [2018-09-19 16:36:07,100 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdacc3550/99e6d3c8e38b45c1acc9edd0abd5f7c6 [2018-09-19 16:36:07,110 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 16:36:07,113 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-19 16:36:07,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 16:36:07,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 16:36:07,122 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 16:36:07,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:36:07" (1/1) ... [2018-09-19 16:36:07,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@683919c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:36:07, skipping insertion in model container [2018-09-19 16:36:07,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 04:36:07" (1/1) ... [2018-09-19 16:36:07,138 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 16:36:07,372 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 16:36:07,392 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 16:36:07,405 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 16:36:07,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:36:07 WrapperNode [2018-09-19 16:36:07,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 16:36:07,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 16:36:07,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 16:36:07,438 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 16:36:07,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:36:07" (1/1) ... [2018-09-19 16:36:07,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:36:07" (1/1) ... [2018-09-19 16:36:07,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:36:07" (1/1) ... [2018-09-19 16:36:07,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:36:07" (1/1) ... [2018-09-19 16:36:07,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:36:07" (1/1) ... [2018-09-19 16:36:07,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:36:07" (1/1) ... [2018-09-19 16:36:07,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:36:07" (1/1) ... [2018-09-19 16:36:07,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 16:36:07,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 16:36:07,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 16:36:07,485 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 16:36:07,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:36:07" (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 16:36:07,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 16:36:07,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 16:36:07,552 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2018-09-19 16:36:07,552 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-09-19 16:36:07,552 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 16:36:07,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-19 16:36:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-19 16:36:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2018-09-19 16:36:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-19 16:36:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-09-19 16:36:07,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-19 16:36:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-19 16:36:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-19 16:36:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-09-19 16:36:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-09-19 16:36:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 16:36:07,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 16:36:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 16:36:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-09-19 16:36:07,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-19 16:36:07,809 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:36:07,834 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:36:07,962 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:36:07,985 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-19 16:36:08,139 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 16:36:08,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:36:08 BoogieIcfgContainer [2018-09-19 16:36:08,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 16:36:08,142 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 16:36:08,142 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 16:36:08,145 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 16:36:08,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 04:36:07" (1/3) ... [2018-09-19 16:36:08,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27341c06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:36:08, skipping insertion in model container [2018-09-19 16:36:08,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 04:36:07" (2/3) ... [2018-09-19 16:36:08,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27341c06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 04:36:08, skipping insertion in model container [2018-09-19 16:36:08,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 04:36:08" (3/3) ... [2018-09-19 16:36:08,149 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1381_true-unreach-call.c [2018-09-19 16:36:08,160 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 16:36:08,168 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 16:36:08,217 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 16:36:08,218 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 16:36:08,218 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 16:36:08,218 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 16:36:08,218 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 16:36:08,219 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 16:36:08,219 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 16:36:08,219 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 16:36:08,219 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 16:36:08,240 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2018-09-19 16:36:08,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-19 16:36:08,248 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:36:08,249 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] [2018-09-19 16:36:08,251 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:36:08,257 INFO L82 PathProgramCache]: Analyzing trace with hash 325628866, now seen corresponding path program 1 times [2018-09-19 16:36:08,261 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:36:08,262 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 16:36:08,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-19 16:36:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:36:08,330 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:36:08,350 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 16:36:08,350 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:36:08,362 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:36:08,363 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-19 16:36:08,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-19 16:36:08,383 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-19 16:36:08,384 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-19 16:36:08,386 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 2 states. [2018-09-19 16:36:08,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:36:08,413 INFO L93 Difference]: Finished difference Result 98 states and 110 transitions. [2018-09-19 16:36:08,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-19 16:36:08,415 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-09-19 16:36:08,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:36:08,426 INFO L225 Difference]: With dead ends: 98 [2018-09-19 16:36:08,426 INFO L226 Difference]: Without dead ends: 49 [2018-09-19 16:36:08,430 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 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 16:36:08,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-09-19 16:36:08,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-09-19 16:36:08,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-09-19 16:36:08,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 48 transitions. [2018-09-19 16:36:08,476 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 48 transitions. Word has length 21 [2018-09-19 16:36:08,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:36:08,476 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 48 transitions. [2018-09-19 16:36:08,476 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-19 16:36:08,477 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 48 transitions. [2018-09-19 16:36:08,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-19 16:36:08,479 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 16:36:08,479 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] [2018-09-19 16:36:08,479 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 16:36:08,480 INFO L82 PathProgramCache]: Analyzing trace with hash 477325184, now seen corresponding path program 1 times [2018-09-19 16:36:08,481 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 16:36:08,481 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) [2018-09-19 16:36:08,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-09-19 16:36:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-19 16:36:08,601 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-19 16:36:08,790 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 16:36:08,798 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 16:36:08,799 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:36:08,811 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:36:08,834 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 16:36:08,835 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-09-19 16:36:08,965 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 16:36:08,973 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 16:36:08,973 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:36:08,988 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:36:09,010 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 16:36:09,011 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-09-19 16:36:09,149 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 17 treesize of output 14 [2018-09-19 16:36:09,154 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 14 treesize of output 13 [2018-09-19 16:36:09,154 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:36:09,178 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:36:09,202 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-19 16:36:09,203 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:27, output treesize:23 [2018-09-19 16:36:09,357 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 35 treesize of output 27 [2018-09-19 16:36:09,374 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 27 treesize of output 27 [2018-09-19 16:36:09,375 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-19 16:36:09,401 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-19 16:36:09,487 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-09-19 16:36:09,488 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:44, output treesize:37 [2018-09-19 16:36:10,428 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 16:36:10,429 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-19 16:36:10,444 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-19 16:36:10,444 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-09-19 16:36:10,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-09-19 16:36:10,447 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-09-19 16:36:10,448 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=182, Unknown=0, NotChecked=0, Total=210 [2018-09-19 16:36:10,448 INFO L87 Difference]: Start difference. First operand 49 states and 48 transitions. Second operand 15 states. [2018-09-19 16:36:10,922 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-09-19 16:36:12,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-19 16:36:12,608 INFO L93 Difference]: Finished difference Result 49 states and 48 transitions. [2018-09-19 16:36:12,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-09-19 16:36:12,608 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 48 [2018-09-19 16:36:12,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-19 16:36:12,609 INFO L225 Difference]: With dead ends: 49 [2018-09-19 16:36:12,610 INFO L226 Difference]: Without dead ends: 0 [2018-09-19 16:36:12,612 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=124, Invalid=688, Unknown=0, NotChecked=0, Total=812 [2018-09-19 16:36:12,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-19 16:36:12,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-19 16:36:12,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-19 16:36:12,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-19 16:36:12,613 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2018-09-19 16:36:12,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-19 16:36:12,613 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-19 16:36:12,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-09-19 16:36:12,614 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-19 16:36:12,614 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-19 16:36:12,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-19 16:36:12,870 INFO L426 ceAbstractionStarter]: For program point isnan_floatFINAL(line 33) no Hoare annotation was computed. [2018-09-19 16:36:12,871 INFO L429 ceAbstractionStarter]: At program point isnan_floatENTRY(line 33) the Hoare annotation is: true [2018-09-19 16:36:12,871 INFO L426 ceAbstractionStarter]: For program point isnan_floatEXIT(line 33) no Hoare annotation was computed. [2018-09-19 16:36:12,871 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-09-19 16:36:12,871 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-09-19 16:36:12,872 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-09-19 16:36:12,872 INFO L426 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-09-19 16:36:12,872 INFO L426 ceAbstractionStarter]: For program point L27-1(line 27) no Hoare annotation was computed. [2018-09-19 16:36:12,872 INFO L426 ceAbstractionStarter]: For program point L27-2(line 27) no Hoare annotation was computed. [2018-09-19 16:36:12,872 INFO L426 ceAbstractionStarter]: For program point copysign_floatEXIT(lines 12 30) no Hoare annotation was computed. [2018-09-19 16:36:12,872 INFO L426 ceAbstractionStarter]: For program point L19(lines 19 23) no Hoare annotation was computed. [2018-09-19 16:36:12,873 INFO L426 ceAbstractionStarter]: For program point L19-2(lines 12 30) no Hoare annotation was computed. [2018-09-19 16:36:12,873 INFO L426 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2018-09-19 16:36:12,873 INFO L426 ceAbstractionStarter]: For program point L15-1(line 15) no Hoare annotation was computed. [2018-09-19 16:36:12,873 INFO L426 ceAbstractionStarter]: For program point L15-2(line 15) no Hoare annotation was computed. [2018-09-19 16:36:12,873 INFO L426 ceAbstractionStarter]: For program point L15-3(line 15) no Hoare annotation was computed. [2018-09-19 16:36:12,874 INFO L426 ceAbstractionStarter]: For program point L24(lines 24 28) no Hoare annotation was computed. [2018-09-19 16:36:12,874 INFO L426 ceAbstractionStarter]: For program point L24-2(lines 12 30) no Hoare annotation was computed. [2018-09-19 16:36:12,874 INFO L426 ceAbstractionStarter]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2018-09-19 16:36:12,874 INFO L426 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-09-19 16:36:12,874 INFO L426 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-09-19 16:36:12,874 INFO L426 ceAbstractionStarter]: For program point L20-2(line 20) no Hoare annotation was computed. [2018-09-19 16:36:12,875 INFO L426 ceAbstractionStarter]: For program point L20-3(line 20) no Hoare annotation was computed. [2018-09-19 16:36:12,875 INFO L426 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-09-19 16:36:12,875 INFO L426 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-09-19 16:36:12,875 INFO L426 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2018-09-19 16:36:12,875 INFO L426 ceAbstractionStarter]: For program point L25-2(line 25) no Hoare annotation was computed. [2018-09-19 16:36:12,875 INFO L426 ceAbstractionStarter]: For program point L25-3(line 25) no Hoare annotation was computed. [2018-09-19 16:36:12,876 INFO L426 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-09-19 16:36:12,876 INFO L426 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-09-19 16:36:12,876 INFO L426 ceAbstractionStarter]: For program point L17-1(line 17) no Hoare annotation was computed. [2018-09-19 16:36:12,876 INFO L426 ceAbstractionStarter]: For program point L17-2(line 17) no Hoare annotation was computed. [2018-09-19 16:36:12,876 INFO L426 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-09-19 16:36:12,876 INFO L426 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-09-19 16:36:12,877 INFO L426 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2018-09-19 16:36:12,877 INFO L429 ceAbstractionStarter]: At program point copysign_floatENTRY(lines 12 30) the Hoare annotation is: true [2018-09-19 16:36:12,877 INFO L426 ceAbstractionStarter]: For program point L22-2(line 22) no Hoare annotation was computed. [2018-09-19 16:36:12,877 INFO L426 ceAbstractionStarter]: For program point L14-1(lines 14 18) no Hoare annotation was computed. [2018-09-19 16:36:12,877 INFO L422 ceAbstractionStarter]: At program point L14-3(lines 14 18) the Hoare annotation is: (= |copysign_float_#in~x| copysign_float_~x) [2018-09-19 16:36:12,878 INFO L426 ceAbstractionStarter]: For program point copysign_floatFINAL(lines 12 30) no Hoare annotation was computed. [2018-09-19 16:36:12,878 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-09-19 16:36:12,878 INFO L429 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-09-19 16:36:12,878 INFO L429 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-09-19 16:36:12,878 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-09-19 16:36:12,878 INFO L426 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-09-19 16:36:12,879 INFO L422 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: (and (= (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)) main_~x~0) (exists ((copysign_float_~iy~0 (_ BitVec 32)) (copysign_float_~ix~0 (_ BitVec 32))) (and (= (let ((.cse0 (bvor (bvand copysign_float_~ix~0 (_ bv2147483647 32)) (bvand copysign_float_~iy~0 (_ bv2147483648 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) main_~res~0) (= (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)) (fp ((_ extract 31 31) copysign_float_~ix~0) ((_ extract 30 23) copysign_float_~ix~0) ((_ extract 22 0) copysign_float_~ix~0)))))) [2018-09-19 16:36:12,879 INFO L426 ceAbstractionStarter]: For program point L48-1(lines 48 51) no Hoare annotation was computed. [2018-09-19 16:36:12,879 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 35 54) the Hoare annotation is: true [2018-09-19 16:36:12,879 INFO L422 ceAbstractionStarter]: At program point L45(line 45) the Hoare annotation is: (= (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)) main_~x~0) [2018-09-19 16:36:12,880 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 35 54) no Hoare annotation was computed. [2018-09-19 16:36:12,880 INFO L426 ceAbstractionStarter]: For program point L45-1(line 45) no Hoare annotation was computed. [2018-09-19 16:36:12,880 INFO L426 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 49) no Hoare annotation was computed. [2018-09-19 16:36:12,880 INFO L426 ceAbstractionStarter]: For program point mainEXIT(lines 35 54) no Hoare annotation was computed. [2018-09-19 16:36:12,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 04:36:12 BoogieIcfgContainer [2018-09-19 16:36:12,894 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 16:36:12,895 INFO L168 Benchmark]: Toolchain (without parser) took 5784.71 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 747.1 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -605.3 MB). Peak memory consumption was 141.8 MB. Max. memory is 7.1 GB. [2018-09-19 16:36:12,897 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 16:36:12,897 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.24 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 16:36:12,898 INFO L168 Benchmark]: Boogie Preprocessor took 46.57 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 16:36:12,899 INFO L168 Benchmark]: RCFGBuilder took 655.98 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 747.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -795.6 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2018-09-19 16:36:12,900 INFO L168 Benchmark]: TraceAbstraction took 4752.81 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: 179.8 MB). Peak memory consumption was 179.8 MB. Max. memory is 7.1 GB. [2018-09-19 16:36:12,904 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 322.24 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 46.57 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 655.98 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 747.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -795.6 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4752.81 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: 179.8 MB). Peak memory consumption was 179.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: 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: 14]: Loop Invariant Derived loop invariant: \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 53 locations, 1 error locations. SAFE Result, 4.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 2.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 86 SDtfs, 58 SDslu, 336 SDs, 0 SdLazy, 151 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred 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, 63 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 67 ConstructedInterpolants, 12 QuantifiedInterpolants, 33488 SizeOfPredicates, 15 NumberOfNonLiveVariables, 141 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...