java -ea -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-Const.epf -i ../../../trunk/examples/svcomp/loops/veris.c_sendmail__tTflag_arr_one_loop_true-unreach-call_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-370d6ab [2018-11-14 18:27:20,201 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-14 18:27:20,205 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-14 18:27:20,222 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-14 18:27:20,223 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-14 18:27:20,224 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-14 18:27:20,225 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-14 18:27:20,228 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-14 18:27:20,230 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-14 18:27:20,238 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-14 18:27:20,239 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-14 18:27:20,239 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-14 18:27:20,242 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-14 18:27:20,243 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-14 18:27:20,244 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-14 18:27:20,248 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-14 18:27:20,248 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-14 18:27:20,252 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-14 18:27:20,255 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-14 18:27:20,260 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-14 18:27:20,261 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-14 18:27:20,264 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-14 18:27:20,268 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-14 18:27:20,269 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-14 18:27:20,269 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-14 18:27:20,270 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-14 18:27:20,271 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-14 18:27:20,273 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-14 18:27:20,274 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-14 18:27:20,277 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-14 18:27:20,277 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-14 18:27:20,278 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-14 18:27:20,279 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-14 18:27:20,279 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-14 18:27:20,280 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-14 18:27:20,281 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-14 18:27:20,281 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector-Const.epf [2018-11-14 18:27:20,307 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-14 18:27:20,308 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-14 18:27:20,309 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-14 18:27:20,310 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-14 18:27:20,311 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-14 18:27:20,311 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-14 18:27:20,311 INFO L133 SettingsManager]: * Use SBE=true [2018-11-14 18:27:20,312 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-14 18:27:20,312 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-14 18:27:20,312 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-14 18:27:20,312 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-14 18:27:20,314 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-14 18:27:20,314 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-14 18:27:20,314 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-14 18:27:20,314 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-14 18:27:20,314 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-14 18:27:20,315 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-14 18:27:20,315 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-14 18:27:20,315 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-14 18:27:20,315 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-14 18:27:20,316 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-14 18:27:20,317 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-14 18:27:20,317 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-14 18:27:20,317 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-14 18:27:20,317 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-14 18:27:20,318 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-14 18:27:20,318 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-14 18:27:20,318 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-14 18:27:20,318 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-14 18:27:20,318 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-14 18:27:20,319 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-14 18:27:20,319 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-14 18:27:20,319 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-14 18:27:20,390 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-14 18:27:20,408 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-14 18:27:20,412 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-14 18:27:20,414 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-14 18:27:20,414 INFO L276 PluginConnector]: CDTParser initialized [2018-11-14 18:27:20,415 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/veris.c_sendmail__tTflag_arr_one_loop_true-unreach-call_true-termination.i [2018-11-14 18:27:20,488 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8e51b2d2/5cf6daf8710a4b209e786601d84cccaa/FLAG5552a1c60 [2018-11-14 18:27:20,955 INFO L298 CDTParser]: Found 1 translation units. [2018-11-14 18:27:20,956 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/veris.c_sendmail__tTflag_arr_one_loop_true-unreach-call_true-termination.i [2018-11-14 18:27:20,964 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8e51b2d2/5cf6daf8710a4b209e786601d84cccaa/FLAG5552a1c60 [2018-11-14 18:27:20,978 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8e51b2d2/5cf6daf8710a4b209e786601d84cccaa [2018-11-14 18:27:20,987 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-14 18:27:20,989 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-11-14 18:27:20,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-14 18:27:20,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-14 18:27:20,994 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-14 18:27:20,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 06:27:20" (1/1) ... [2018-11-14 18:27:20,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f62c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:27:20, skipping insertion in model container [2018-11-14 18:27:21,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 06:27:20" (1/1) ... [2018-11-14 18:27:21,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-14 18:27:21,041 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-14 18:27:21,331 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 18:27:21,339 INFO L191 MainTranslator]: Completed pre-run [2018-11-14 18:27:21,367 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-14 18:27:21,394 INFO L195 MainTranslator]: Completed translation [2018-11-14 18:27:21,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:27:21 WrapperNode [2018-11-14 18:27:21,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-14 18:27:21,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-14 18:27:21,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-14 18:27:21,396 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-14 18:27:21,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:27:21" (1/1) ... [2018-11-14 18:27:21,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:27:21" (1/1) ... [2018-11-14 18:27:21,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:27:21" (1/1) ... [2018-11-14 18:27:21,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:27:21" (1/1) ... [2018-11-14 18:27:21,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:27:21" (1/1) ... [2018-11-14 18:27:21,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:27:21" (1/1) ... [2018-11-14 18:27:21,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:27:21" (1/1) ... [2018-11-14 18:27:21,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-14 18:27:21,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-14 18:27:21,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-14 18:27:21,465 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-14 18:27:21,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:27:21" (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 [2018-11-14 18:27:21,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-14 18:27:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-14 18:27:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-14 18:27:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-14 18:27:21,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-14 18:27:21,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-11-14 18:27:21,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-14 18:27:21,633 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-14 18:27:21,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-14 18:27:21,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-14 18:27:21,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-14 18:27:21,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-14 18:27:21,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-14 18:27:21,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-14 18:27:21,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-11-14 18:27:22,159 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-14 18:27:22,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 06:27:22 BoogieIcfgContainer [2018-11-14 18:27:22,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-14 18:27:22,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-14 18:27:22,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-14 18:27:22,164 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-14 18:27:22,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 06:27:20" (1/3) ... [2018-11-14 18:27:22,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457e2fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 06:27:22, skipping insertion in model container [2018-11-14 18:27:22,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 06:27:21" (2/3) ... [2018-11-14 18:27:22,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457e2fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 06:27:22, skipping insertion in model container [2018-11-14 18:27:22,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 06:27:22" (3/3) ... [2018-11-14 18:27:22,168 INFO L112 eAbstractionObserver]: Analyzing ICFG veris.c_sendmail__tTflag_arr_one_loop_true-unreach-call_true-termination.i [2018-11-14 18:27:22,177 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-14 18:27:22,185 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-14 18:27:22,200 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-14 18:27:22,239 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-14 18:27:22,240 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-14 18:27:22,240 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-14 18:27:22,240 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-14 18:27:22,240 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-14 18:27:22,241 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-14 18:27:22,241 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-14 18:27:22,241 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-14 18:27:22,241 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-14 18:27:22,259 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-11-14 18:27:22,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-14 18:27:22,265 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 18:27:22,266 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 18:27:22,269 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 18:27:22,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 18:27:22,275 INFO L82 PathProgramCache]: Analyzing trace with hash -900586403, now seen corresponding path program 1 times [2018-11-14 18:27:22,280 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 18:27:22,280 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-14 18:27:22,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 18:27:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 18:27:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 18:27:22,382 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 18:27:22,466 INFO L256 TraceCheckUtils]: 0: Hoare triple {27#true} call ULTIMATE.init(); {27#true} is VALID [2018-11-14 18:27:22,470 INFO L273 TraceCheckUtils]: 1: Hoare triple {27#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {27#true} is VALID [2018-11-14 18:27:22,470 INFO L273 TraceCheckUtils]: 2: Hoare triple {27#true} assume true; {27#true} is VALID [2018-11-14 18:27:22,471 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {27#true} {27#true} #49#return; {27#true} is VALID [2018-11-14 18:27:22,471 INFO L256 TraceCheckUtils]: 4: Hoare triple {27#true} call #t~ret5 := main(); {27#true} is VALID [2018-11-14 18:27:22,471 INFO L273 TraceCheckUtils]: 5: Hoare triple {27#true} call ~#in~0.base, ~#in~0.offset := #Ultimate.alloc(11bv32);havoc ~s~0.base, ~s~0.offset;havoc ~c~0;havoc ~i~0;havoc ~j~0;havoc ~idx_in~0;~i~0 := 0bv32; {27#true} is VALID [2018-11-14 18:27:22,484 INFO L273 TraceCheckUtils]: 6: Hoare triple {27#true} assume !true; {28#false} is VALID [2018-11-14 18:27:22,485 INFO L273 TraceCheckUtils]: 7: Hoare triple {28#false} call write~intINTTYPE1(0bv8, ~#in~0.base, ~bvadd32(10bv32, ~#in~0.offset), 1bv32);~idx_in~0 := 0bv32;~s~0.base, ~s~0.offset := ~#in~0.base, ~#in~0.offset;~i~0 := 0bv32;call #t~mem2 := read~intINTTYPE1(~#in~0.base, ~bvadd32(~#in~0.offset, ~idx_in~0), 1bv32);~c~0 := #t~mem2;havoc #t~mem2; {28#false} is VALID [2018-11-14 18:27:22,486 INFO L273 TraceCheckUtils]: 8: Hoare triple {28#false} assume !true; {28#false} is VALID [2018-11-14 18:27:22,486 INFO L256 TraceCheckUtils]: 9: Hoare triple {28#false} call __VERIFIER_assert((if ~bvuge32(~i~0, 0bv32) then 1bv32 else 0bv32)); {28#false} is VALID [2018-11-14 18:27:22,486 INFO L273 TraceCheckUtils]: 10: Hoare triple {28#false} ~cond := #in~cond; {28#false} is VALID [2018-11-14 18:27:22,487 INFO L273 TraceCheckUtils]: 11: Hoare triple {28#false} assume ~cond == 0bv32; {28#false} is VALID [2018-11-14 18:27:22,487 INFO L273 TraceCheckUtils]: 12: Hoare triple {28#false} assume !false; {28#false} is VALID [2018-11-14 18:27:22,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 18:27:22,491 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-14 18:27:22,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 18:27:22,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-14 18:27:22,502 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2018-11-14 18:27:22,505 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 18:27:22,510 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2018-11-14 18:27:22,580 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 18:27:22,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-14 18:27:22,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-14 18:27:22,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-14 18:27:22,593 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2018-11-14 18:27:22,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 18:27:22,873 INFO L93 Difference]: Finished difference Result 39 states and 46 transitions. [2018-11-14 18:27:22,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-14 18:27:22,873 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2018-11-14 18:27:22,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 18:27:22,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-14 18:27:22,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 46 transitions. [2018-11-14 18:27:22,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-14 18:27:22,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 46 transitions. [2018-11-14 18:27:22,891 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 46 transitions. [2018-11-14 18:27:23,054 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 18:27:23,065 INFO L225 Difference]: With dead ends: 39 [2018-11-14 18:27:23,065 INFO L226 Difference]: Without dead ends: 17 [2018-11-14 18:27:23,068 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-14 18:27:23,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-11-14 18:27:23,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-11-14 18:27:23,124 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 18:27:23,124 INFO L82 GeneralOperation]: Start isEquivalent. First operand 17 states. Second operand 17 states. [2018-11-14 18:27:23,125 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand 17 states. [2018-11-14 18:27:23,125 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 17 states. [2018-11-14 18:27:23,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 18:27:23,128 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2018-11-14 18:27:23,128 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-11-14 18:27:23,129 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 18:27:23,129 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 18:27:23,129 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand 17 states. [2018-11-14 18:27:23,129 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 17 states. [2018-11-14 18:27:23,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 18:27:23,132 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2018-11-14 18:27:23,133 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-11-14 18:27:23,133 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 18:27:23,133 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 18:27:23,133 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 18:27:23,134 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 18:27:23,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-11-14 18:27:23,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2018-11-14 18:27:23,137 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 13 [2018-11-14 18:27:23,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 18:27:23,138 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2018-11-14 18:27:23,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-14 18:27:23,138 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-11-14 18:27:23,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-14 18:27:23,139 INFO L367 BasicCegarLoop]: Found error trace [2018-11-14 18:27:23,139 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-14 18:27:23,140 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-14 18:27:23,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-14 18:27:23,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1574784468, now seen corresponding path program 1 times [2018-11-14 18:27:23,141 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-14 18:27:23,141 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-14 18:27:23,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-14 18:27:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 18:27:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-14 18:27:23,217 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-14 18:27:23,337 INFO L256 TraceCheckUtils]: 0: Hoare triple {176#true} call ULTIMATE.init(); {176#true} is VALID [2018-11-14 18:27:23,338 INFO L273 TraceCheckUtils]: 1: Hoare triple {176#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1]; {176#true} is VALID [2018-11-14 18:27:23,338 INFO L273 TraceCheckUtils]: 2: Hoare triple {176#true} assume true; {176#true} is VALID [2018-11-14 18:27:23,338 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {176#true} {176#true} #49#return; {176#true} is VALID [2018-11-14 18:27:23,339 INFO L256 TraceCheckUtils]: 4: Hoare triple {176#true} call #t~ret5 := main(); {176#true} is VALID [2018-11-14 18:27:23,339 INFO L273 TraceCheckUtils]: 5: Hoare triple {176#true} call ~#in~0.base, ~#in~0.offset := #Ultimate.alloc(11bv32);havoc ~s~0.base, ~s~0.offset;havoc ~c~0;havoc ~i~0;havoc ~j~0;havoc ~idx_in~0;~i~0 := 0bv32; {176#true} is VALID [2018-11-14 18:27:23,339 INFO L273 TraceCheckUtils]: 6: Hoare triple {176#true} assume true; {176#true} is VALID [2018-11-14 18:27:23,340 INFO L273 TraceCheckUtils]: 7: Hoare triple {176#true} assume !~bvult32(~i~0, 10bv32); {176#true} is VALID [2018-11-14 18:27:23,340 INFO L273 TraceCheckUtils]: 8: Hoare triple {176#true} call write~intINTTYPE1(0bv8, ~#in~0.base, ~bvadd32(10bv32, ~#in~0.offset), 1bv32);~idx_in~0 := 0bv32;~s~0.base, ~s~0.offset := ~#in~0.base, ~#in~0.offset;~i~0 := 0bv32;call #t~mem2 := read~intINTTYPE1(~#in~0.base, ~bvadd32(~#in~0.offset, ~idx_in~0), 1bv32);~c~0 := #t~mem2;havoc #t~mem2; {176#true} is VALID [2018-11-14 18:27:23,340 INFO L273 TraceCheckUtils]: 9: Hoare triple {176#true} assume true; {176#true} is VALID [2018-11-14 18:27:23,341 INFO L273 TraceCheckUtils]: 10: Hoare triple {176#true} assume !(~bvsle32(48bv32, ~zero_extendFrom8To32(~c~0)) && ~bvsle32(~zero_extendFrom8To32(~c~0), 57bv32)); {176#true} is VALID [2018-11-14 18:27:23,343 INFO L256 TraceCheckUtils]: 11: Hoare triple {176#true} call __VERIFIER_assert((if ~bvuge32(~i~0, 0bv32) then 1bv32 else 0bv32)); {214#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 18:27:23,343 INFO L273 TraceCheckUtils]: 12: Hoare triple {214#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} ~cond := #in~cond; {218#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-14 18:27:23,344 INFO L273 TraceCheckUtils]: 13: Hoare triple {218#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume ~cond == 0bv32; {177#false} is VALID [2018-11-14 18:27:23,345 INFO L273 TraceCheckUtils]: 14: Hoare triple {177#false} assume !false; {177#false} is VALID [2018-11-14 18:27:23,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-14 18:27:23,347 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-14 18:27:23,350 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-14 18:27:23,351 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-14 18:27:23,352 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-11-14 18:27:23,353 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-14 18:27:23,353 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-14 18:27:23,391 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 18:27:23,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-14 18:27:23,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-14 18:27:23,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-14 18:27:23,393 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 4 states. [2018-11-14 18:27:23,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 18:27:23,668 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2018-11-14 18:27:23,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-14 18:27:23,668 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-11-14 18:27:23,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-14 18:27:23,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-14 18:27:23,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2018-11-14 18:27:23,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-14 18:27:23,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2018-11-14 18:27:23,673 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 18 transitions. [2018-11-14 18:27:23,921 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-14 18:27:23,922 INFO L225 Difference]: With dead ends: 17 [2018-11-14 18:27:23,922 INFO L226 Difference]: Without dead ends: 0 [2018-11-14 18:27:23,924 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-14 18:27:23,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-14 18:27:23,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-14 18:27:23,925 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-14 18:27:23,926 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2018-11-14 18:27:23,926 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-14 18:27:23,926 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-14 18:27:23,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 18:27:23,927 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-14 18:27:23,927 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-14 18:27:23,927 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 18:27:23,928 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 18:27:23,928 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2018-11-14 18:27:23,928 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2018-11-14 18:27:23,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-14 18:27:23,929 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-14 18:27:23,929 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-14 18:27:23,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 18:27:23,929 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-14 18:27:23,930 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-14 18:27:23,930 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-14 18:27:23,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-14 18:27:23,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-14 18:27:23,931 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2018-11-14 18:27:23,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-14 18:27:23,931 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-14 18:27:23,931 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-14 18:27:23,931 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-14 18:27:23,933 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-14 18:27:23,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-14 18:27:24,309 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-14 18:27:24,309 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-14 18:27:24,309 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-14 18:27:24,310 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-14 18:27:24,310 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-14 18:27:24,310 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-14 18:27:24,310 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-14 18:27:24,311 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 27 33) no Hoare annotation was computed. [2018-11-14 18:27:24,311 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 10 37) no Hoare annotation was computed. [2018-11-14 18:27:24,311 INFO L428 ceAbstractionStarter]: At program point L27-3(lines 27 33) the Hoare annotation is: true [2018-11-14 18:27:24,311 INFO L428 ceAbstractionStarter]: At program point L27-4(lines 27 33) the Hoare annotation is: true [2018-11-14 18:27:24,311 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 10 37) no Hoare annotation was computed. [2018-11-14 18:27:24,312 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 10 37) the Hoare annotation is: true [2018-11-14 18:27:24,312 INFO L425 ceAbstractionStarter]: For program point L18-1(lines 18 20) no Hoare annotation was computed. [2018-11-14 18:27:24,312 INFO L425 ceAbstractionStarter]: For program point L18-3(lines 18 20) no Hoare annotation was computed. [2018-11-14 18:27:24,312 INFO L428 ceAbstractionStarter]: At program point L18-4(lines 18 20) the Hoare annotation is: true [2018-11-14 18:27:24,312 INFO L425 ceAbstractionStarter]: For program point L18-5(lines 18 20) no Hoare annotation was computed. [2018-11-14 18:27:24,312 INFO L425 ceAbstractionStarter]: For program point L35(line 35) no Hoare annotation was computed. [2018-11-14 18:27:24,313 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 4 9) the Hoare annotation is: true [2018-11-14 18:27:24,313 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2018-11-14 18:27:24,313 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 4 9) no Hoare annotation was computed. [2018-11-14 18:27:24,313 INFO L425 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2018-11-14 18:27:24,313 INFO L425 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2018-11-14 18:27:24,313 INFO L425 ceAbstractionStarter]: For program point L5-2(lines 4 9) no Hoare annotation was computed. [2018-11-14 18:27:24,315 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-14 18:27:24,316 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-14 18:27:24,316 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2018-11-14 18:27:24,316 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-14 18:27:24,316 WARN L170 areAnnotationChecker]: L18-1 has no Hoare annotation [2018-11-14 18:27:24,317 WARN L170 areAnnotationChecker]: L18-5 has no Hoare annotation [2018-11-14 18:27:24,317 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-14 18:27:24,317 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2018-11-14 18:27:24,317 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2018-11-14 18:27:24,317 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2018-11-14 18:27:24,317 WARN L170 areAnnotationChecker]: L18-1 has no Hoare annotation [2018-11-14 18:27:24,318 WARN L170 areAnnotationChecker]: L18-1 has no Hoare annotation [2018-11-14 18:27:24,318 WARN L170 areAnnotationChecker]: L18-5 has no Hoare annotation [2018-11-14 18:27:24,318 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2018-11-14 18:27:24,318 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2018-11-14 18:27:24,318 WARN L170 areAnnotationChecker]: L5-2 has no Hoare annotation [2018-11-14 18:27:24,318 WARN L170 areAnnotationChecker]: L18-3 has no Hoare annotation [2018-11-14 18:27:24,319 WARN L170 areAnnotationChecker]: L27-1 has no Hoare annotation [2018-11-14 18:27:24,319 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2018-11-14 18:27:24,319 WARN L170 areAnnotationChecker]: L27-1 has no Hoare annotation [2018-11-14 18:27:24,319 WARN L170 areAnnotationChecker]: L27-1 has no Hoare annotation [2018-11-14 18:27:24,319 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2018-11-14 18:27:24,320 WARN L170 areAnnotationChecker]: L35 has no Hoare annotation [2018-11-14 18:27:24,320 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2018-11-14 18:27:24,320 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2018-11-14 18:27:24,320 INFO L163 areAnnotationChecker]: CFG has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2018-11-14 18:27:24,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 06:27:24 BoogieIcfgContainer [2018-11-14 18:27:24,326 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-14 18:27:24,328 INFO L168 Benchmark]: Toolchain (without parser) took 3339.92 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 715.1 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -641.2 MB). Peak memory consumption was 73.9 MB. Max. memory is 7.1 GB. [2018-11-14 18:27:24,330 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-11-14 18:27:24,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 405.69 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-11-14 18:27:24,331 INFO L168 Benchmark]: Boogie Preprocessor took 68.22 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. [2018-11-14 18:27:24,332 INFO L168 Benchmark]: RCFGBuilder took 695.83 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 715.1 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -743.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2018-11-14 18:27:24,333 INFO L168 Benchmark]: TraceAbstraction took 2165.39 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 91.2 MB). Peak memory consumption was 91.2 MB. Max. memory is 7.1 GB. [2018-11-14 18:27:24,337 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 405.69 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 68.22 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 695.83 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 715.1 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -743.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2165.39 ms. Allocated memory is still 2.2 GB. Free memory was 2.1 GB in the beginning and 2.0 GB in the end (delta: 91.2 MB). Peak memory consumption was 91.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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: 27]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 24 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 40 SDtfs, 1 SDslu, 29 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 8 LocationsWithAnnotation, 9 PreInvPairs, 11 NumberOfFragments, 8 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 452 SizeOfPredicates, 2 NumberOfNonLiveVariables, 84 ConjunctsInSsa, 4 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...