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/AutomizerCInline_WitnessPrinter.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/nested3_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 11:48:03,287 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:48:03,290 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:48:03,308 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:48:03,308 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:48:03,309 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:48:03,311 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:48:03,313 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:48:03,316 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:48:03,317 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:48:03,326 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:48:03,326 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:48:03,328 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:48:03,329 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:48:03,330 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:48:03,330 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:48:03,333 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:48:03,335 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:48:03,340 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:48:03,345 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:48:03,347 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:48:03,349 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:48:03,351 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 11:48:03,351 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 11:48:03,351 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 11:48:03,352 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 11:48:03,353 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 11:48:03,354 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 11:48:03,356 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 11:48:03,358 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 11:48:03,358 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 11:48:03,359 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 11:48:03,359 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:48:03,359 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:48:03,362 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:48:03,363 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:48:03,363 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 [2018-11-23 11:48:03,395 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:48:03,395 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:48:03,396 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:48:03,397 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:48:03,397 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:48:03,397 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:48:03,398 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 11:48:03,398 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:48:03,398 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:48:03,398 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:48:03,398 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:48:03,400 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:48:03,400 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:48:03,400 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:48:03,400 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 11:48:03,401 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 11:48:03,401 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:48:03,401 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:48:03,401 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:48:03,403 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:48:03,403 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:48:03,404 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:48:03,404 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:48:03,404 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:48:03,404 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:48:03,404 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:48:03,405 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:48:03,405 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:48:03,405 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 11:48:03,405 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:48:03,405 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 11:48:03,406 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 11:48:03,406 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 11:48:03,478 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:48:03,493 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:48:03,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:48:03,499 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:48:03,499 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:48:03,500 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/nested3_true-unreach-call.c [2018-11-23 11:48:03,569 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87549eb6b/b7eec7d5f26b41a08abc942224eb49f5/FLAG9a7ce85d5 [2018-11-23 11:48:04,060 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:48:04,062 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested3_true-unreach-call.c [2018-11-23 11:48:04,070 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87549eb6b/b7eec7d5f26b41a08abc942224eb49f5/FLAG9a7ce85d5 [2018-11-23 11:48:04,420 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87549eb6b/b7eec7d5f26b41a08abc942224eb49f5 [2018-11-23 11:48:04,431 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:48:04,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:48:04,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:48:04,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:48:04,438 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:48:04,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:48:04" (1/1) ... [2018-11-23 11:48:04,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aae84c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:48:04, skipping insertion in model container [2018-11-23 11:48:04,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:48:04" (1/1) ... [2018-11-23 11:48:04,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:48:04,476 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:48:04,711 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:48:04,717 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:48:04,739 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:48:04,757 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:48:04,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:48:04 WrapperNode [2018-11-23 11:48:04,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:48:04,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:48:04,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:48:04,760 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:48:04,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:48:04" (1/1) ... [2018-11-23 11:48:04,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:48:04" (1/1) ... [2018-11-23 11:48:04,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:48:04,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:48:04,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:48:04,784 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:48:04,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:48:04" (1/1) ... [2018-11-23 11:48:04,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:48:04" (1/1) ... [2018-11-23 11:48:04,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:48:04" (1/1) ... [2018-11-23 11:48:04,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:48:04" (1/1) ... [2018-11-23 11:48:04,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:48:04" (1/1) ... [2018-11-23 11:48:04,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:48:04" (1/1) ... [2018-11-23 11:48:04,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:48:04" (1/1) ... [2018-11-23 11:48:04,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:48:04,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:48:04,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:48:04,811 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:48:04,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:48:04" (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 [2018-11-23 11:48:04,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:48:04,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:48:04,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:48:04,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:48:04,948 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:48:04,948 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:48:04,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 11:48:04,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 11:48:05,445 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:48:05,446 INFO L280 CfgBuilder]: Removed 3 assue(true) statements. [2018-11-23 11:48:05,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:48:05 BoogieIcfgContainer [2018-11-23 11:48:05,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:48:05,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:48:05,448 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:48:05,451 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:48:05,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:48:04" (1/3) ... [2018-11-23 11:48:05,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528c60af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:48:05, skipping insertion in model container [2018-11-23 11:48:05,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:48:04" (2/3) ... [2018-11-23 11:48:05,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528c60af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:48:05, skipping insertion in model container [2018-11-23 11:48:05,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:48:05" (3/3) ... [2018-11-23 11:48:05,455 INFO L112 eAbstractionObserver]: Analyzing ICFG nested3_true-unreach-call.c [2018-11-23 11:48:05,467 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:48:05,475 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:48:05,491 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:48:05,521 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 11:48:05,522 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:48:05,522 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:48:05,522 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:48:05,523 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:48:05,523 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:48:05,523 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:48:05,523 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:48:05,524 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:48:05,542 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-11-23 11:48:05,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 11:48:05,549 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:48:05,550 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:48:05,552 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:48:05,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:48:05,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1303616190, now seen corresponding path program 1 times [2018-11-23 11:48:05,563 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:48:05,564 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 [2018-11-23 11:48:05,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:48:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:48:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:48:05,638 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:48:05,682 INFO L256 TraceCheckUtils]: 0: Hoare triple {26#true} call ULTIMATE.init(); {26#true} is VALID [2018-11-23 11:48:05,686 INFO L273 TraceCheckUtils]: 1: Hoare triple {26#true} assume true; {26#true} is VALID [2018-11-23 11:48:05,686 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {26#true} {26#true} #59#return; {26#true} is VALID [2018-11-23 11:48:05,687 INFO L256 TraceCheckUtils]: 3: Hoare triple {26#true} call #t~ret3 := main(); {26#true} is VALID [2018-11-23 11:48:05,687 INFO L273 TraceCheckUtils]: 4: Hoare triple {26#true} ~x~0 := 0bv32;~y~0 := 0bv32;~z~0 := 0bv32;~w~0 := 0bv32; {26#true} is VALID [2018-11-23 11:48:05,690 INFO L273 TraceCheckUtils]: 5: Hoare triple {26#true} assume !true; {27#false} is VALID [2018-11-23 11:48:05,690 INFO L256 TraceCheckUtils]: 6: Hoare triple {27#false} call __VERIFIER_assert(~bvurem32(~x~0, 2bv32)); {27#false} is VALID [2018-11-23 11:48:05,691 INFO L273 TraceCheckUtils]: 7: Hoare triple {27#false} ~cond := #in~cond; {27#false} is VALID [2018-11-23 11:48:05,691 INFO L273 TraceCheckUtils]: 8: Hoare triple {27#false} assume 0bv32 == ~cond; {27#false} is VALID [2018-11-23 11:48:05,691 INFO L273 TraceCheckUtils]: 9: Hoare triple {27#false} assume !false; {27#false} is VALID [2018-11-23 11:48:05,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:48:05,694 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:48:05,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:48:05,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 11:48:05,704 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-11-23 11:48:05,708 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:48:05,712 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2018-11-23 11:48:05,739 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:48:05,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 11:48:05,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 11:48:05,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 11:48:05,750 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2018-11-23 11:48:05,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:05,927 INFO L93 Difference]: Finished difference Result 41 states and 60 transitions. [2018-11-23 11:48:05,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 11:48:05,927 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-11-23 11:48:05,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:48:05,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-23 11:48:05,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 60 transitions. [2018-11-23 11:48:05,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-23 11:48:05,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 60 transitions. [2018-11-23 11:48:05,946 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 60 transitions. [2018-11-23 11:48:06,369 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:48:06,382 INFO L225 Difference]: With dead ends: 41 [2018-11-23 11:48:06,382 INFO L226 Difference]: Without dead ends: 19 [2018-11-23 11:48:06,386 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 11:48:06,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-11-23 11:48:06,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-11-23 11:48:06,433 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:48:06,434 INFO L82 GeneralOperation]: Start isEquivalent. First operand 19 states. Second operand 19 states. [2018-11-23 11:48:06,434 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand 19 states. [2018-11-23 11:48:06,434 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 19 states. [2018-11-23 11:48:06,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:06,440 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2018-11-23 11:48:06,440 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-11-23 11:48:06,441 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:48:06,441 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:48:06,441 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand 19 states. [2018-11-23 11:48:06,442 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 19 states. [2018-11-23 11:48:06,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:06,446 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2018-11-23 11:48:06,446 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-11-23 11:48:06,447 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:48:06,447 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:48:06,447 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:48:06,447 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:48:06,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-11-23 11:48:06,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2018-11-23 11:48:06,452 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 10 [2018-11-23 11:48:06,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:48:06,452 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions. [2018-11-23 11:48:06,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 11:48:06,453 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-11-23 11:48:06,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 11:48:06,453 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:48:06,454 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:48:06,454 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:48:06,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:48:06,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1274063518, now seen corresponding path program 1 times [2018-11-23 11:48:06,455 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:48:06,455 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 [2018-11-23 11:48:06,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:48:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:48:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:48:06,498 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:48:06,676 INFO L256 TraceCheckUtils]: 0: Hoare triple {184#true} call ULTIMATE.init(); {184#true} is VALID [2018-11-23 11:48:06,676 INFO L273 TraceCheckUtils]: 1: Hoare triple {184#true} assume true; {184#true} is VALID [2018-11-23 11:48:06,677 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {184#true} {184#true} #59#return; {184#true} is VALID [2018-11-23 11:48:06,677 INFO L256 TraceCheckUtils]: 3: Hoare triple {184#true} call #t~ret3 := main(); {184#true} is VALID [2018-11-23 11:48:06,679 INFO L273 TraceCheckUtils]: 4: Hoare triple {184#true} ~x~0 := 0bv32;~y~0 := 0bv32;~z~0 := 0bv32;~w~0 := 0bv32; {201#(= main_~x~0 (_ bv0 32))} is VALID [2018-11-23 11:48:06,680 INFO L273 TraceCheckUtils]: 5: Hoare triple {201#(= main_~x~0 (_ bv0 32))} assume !~bvult32(~x~0, 268435455bv32); {185#false} is VALID [2018-11-23 11:48:06,680 INFO L256 TraceCheckUtils]: 6: Hoare triple {185#false} call __VERIFIER_assert(~bvurem32(~x~0, 2bv32)); {185#false} is VALID [2018-11-23 11:48:06,680 INFO L273 TraceCheckUtils]: 7: Hoare triple {185#false} ~cond := #in~cond; {185#false} is VALID [2018-11-23 11:48:06,681 INFO L273 TraceCheckUtils]: 8: Hoare triple {185#false} assume 0bv32 == ~cond; {185#false} is VALID [2018-11-23 11:48:06,681 INFO L273 TraceCheckUtils]: 9: Hoare triple {185#false} assume !false; {185#false} is VALID [2018-11-23 11:48:06,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:48:06,682 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:48:06,686 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:48:06,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 11:48:06,688 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-23 11:48:06,689 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:48:06,689 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 11:48:06,715 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:48:06,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 11:48:06,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 11:48:06,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:48:06,716 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. Second operand 3 states. [2018-11-23 11:48:06,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:06,857 INFO L93 Difference]: Finished difference Result 33 states and 41 transitions. [2018-11-23 11:48:06,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 11:48:06,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-23 11:48:06,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:48:06,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 11:48:06,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 41 transitions. [2018-11-23 11:48:06,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 11:48:06,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 41 transitions. [2018-11-23 11:48:06,864 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 41 transitions. [2018-11-23 11:48:07,218 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:48:07,222 INFO L225 Difference]: With dead ends: 33 [2018-11-23 11:48:07,222 INFO L226 Difference]: Without dead ends: 26 [2018-11-23 11:48:07,226 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:48:07,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-11-23 11:48:07,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 20. [2018-11-23 11:48:07,341 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:48:07,341 INFO L82 GeneralOperation]: Start isEquivalent. First operand 26 states. Second operand 20 states. [2018-11-23 11:48:07,341 INFO L74 IsIncluded]: Start isIncluded. First operand 26 states. Second operand 20 states. [2018-11-23 11:48:07,341 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 20 states. [2018-11-23 11:48:07,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:07,345 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2018-11-23 11:48:07,345 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2018-11-23 11:48:07,346 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:48:07,346 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:48:07,346 INFO L74 IsIncluded]: Start isIncluded. First operand 20 states. Second operand 26 states. [2018-11-23 11:48:07,347 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 26 states. [2018-11-23 11:48:07,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:07,350 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2018-11-23 11:48:07,351 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2018-11-23 11:48:07,351 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:48:07,352 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:48:07,352 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:48:07,352 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:48:07,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-11-23 11:48:07,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2018-11-23 11:48:07,355 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 10 [2018-11-23 11:48:07,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:48:07,356 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2018-11-23 11:48:07,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 11:48:07,356 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-11-23 11:48:07,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 11:48:07,357 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:48:07,357 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:48:07,357 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:48:07,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:48:07,358 INFO L82 PathProgramCache]: Analyzing trace with hash 856543284, now seen corresponding path program 1 times [2018-11-23 11:48:07,358 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:48:07,358 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 4 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 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:48:07,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:48:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:48:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:48:07,396 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:48:07,447 INFO L256 TraceCheckUtils]: 0: Hoare triple {351#true} call ULTIMATE.init(); {351#true} is VALID [2018-11-23 11:48:07,448 INFO L273 TraceCheckUtils]: 1: Hoare triple {351#true} assume true; {351#true} is VALID [2018-11-23 11:48:07,448 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {351#true} {351#true} #59#return; {351#true} is VALID [2018-11-23 11:48:07,448 INFO L256 TraceCheckUtils]: 3: Hoare triple {351#true} call #t~ret3 := main(); {351#true} is VALID [2018-11-23 11:48:07,449 INFO L273 TraceCheckUtils]: 4: Hoare triple {351#true} ~x~0 := 0bv32;~y~0 := 0bv32;~z~0 := 0bv32;~w~0 := 0bv32; {351#true} is VALID [2018-11-23 11:48:07,450 INFO L273 TraceCheckUtils]: 5: Hoare triple {351#true} assume !!~bvult32(~x~0, 268435455bv32);~y~0 := 0bv32; {371#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:07,450 INFO L273 TraceCheckUtils]: 6: Hoare triple {371#(= main_~y~0 (_ bv0 32))} assume !~bvult32(~y~0, 268435455bv32); {352#false} is VALID [2018-11-23 11:48:07,451 INFO L256 TraceCheckUtils]: 7: Hoare triple {352#false} call __VERIFIER_assert(~bvurem32(~y~0, 2bv32)); {352#false} is VALID [2018-11-23 11:48:07,451 INFO L273 TraceCheckUtils]: 8: Hoare triple {352#false} ~cond := #in~cond; {352#false} is VALID [2018-11-23 11:48:07,451 INFO L273 TraceCheckUtils]: 9: Hoare triple {352#false} assume 0bv32 == ~cond; {352#false} is VALID [2018-11-23 11:48:07,452 INFO L273 TraceCheckUtils]: 10: Hoare triple {352#false} assume !false; {352#false} is VALID [2018-11-23 11:48:07,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:48:07,453 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:48:07,457 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:48:07,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 11:48:07,458 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-11-23 11:48:07,459 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:48:07,459 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 11:48:07,511 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:48:07,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 11:48:07,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 11:48:07,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:48:07,513 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand 3 states. [2018-11-23 11:48:07,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:07,673 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2018-11-23 11:48:07,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 11:48:07,673 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-11-23 11:48:07,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:48:07,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 11:48:07,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 49 transitions. [2018-11-23 11:48:07,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 11:48:07,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 49 transitions. [2018-11-23 11:48:07,680 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 49 transitions. [2018-11-23 11:48:07,811 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:48:07,813 INFO L225 Difference]: With dead ends: 38 [2018-11-23 11:48:07,814 INFO L226 Difference]: Without dead ends: 24 [2018-11-23 11:48:07,815 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:48:07,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-11-23 11:48:07,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 21. [2018-11-23 11:48:07,838 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:48:07,839 INFO L82 GeneralOperation]: Start isEquivalent. First operand 24 states. Second operand 21 states. [2018-11-23 11:48:07,839 INFO L74 IsIncluded]: Start isIncluded. First operand 24 states. Second operand 21 states. [2018-11-23 11:48:07,839 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 21 states. [2018-11-23 11:48:07,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:07,842 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2018-11-23 11:48:07,842 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2018-11-23 11:48:07,843 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:48:07,843 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:48:07,843 INFO L74 IsIncluded]: Start isIncluded. First operand 21 states. Second operand 24 states. [2018-11-23 11:48:07,843 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 24 states. [2018-11-23 11:48:07,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:07,846 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2018-11-23 11:48:07,846 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2018-11-23 11:48:07,847 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:48:07,847 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:48:07,847 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:48:07,847 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:48:07,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-11-23 11:48:07,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2018-11-23 11:48:07,850 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 11 [2018-11-23 11:48:07,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:48:07,850 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2018-11-23 11:48:07,850 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 11:48:07,850 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-11-23 11:48:07,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 11:48:07,851 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:48:07,851 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:48:07,852 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:48:07,852 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:48:07,852 INFO L82 PathProgramCache]: Analyzing trace with hash 808417067, now seen corresponding path program 1 times [2018-11-23 11:48:07,852 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:48:07,853 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 5 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 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:48:07,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:48:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:48:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:48:07,889 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:48:07,929 INFO L256 TraceCheckUtils]: 0: Hoare triple {528#true} call ULTIMATE.init(); {528#true} is VALID [2018-11-23 11:48:07,929 INFO L273 TraceCheckUtils]: 1: Hoare triple {528#true} assume true; {528#true} is VALID [2018-11-23 11:48:07,930 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {528#true} {528#true} #59#return; {528#true} is VALID [2018-11-23 11:48:07,930 INFO L256 TraceCheckUtils]: 3: Hoare triple {528#true} call #t~ret3 := main(); {528#true} is VALID [2018-11-23 11:48:07,930 INFO L273 TraceCheckUtils]: 4: Hoare triple {528#true} ~x~0 := 0bv32;~y~0 := 0bv32;~z~0 := 0bv32;~w~0 := 0bv32; {528#true} is VALID [2018-11-23 11:48:07,931 INFO L273 TraceCheckUtils]: 5: Hoare triple {528#true} assume !!~bvult32(~x~0, 268435455bv32);~y~0 := 0bv32; {528#true} is VALID [2018-11-23 11:48:07,933 INFO L273 TraceCheckUtils]: 6: Hoare triple {528#true} assume !!~bvult32(~y~0, 268435455bv32);~z~0 := 0bv32; {551#(= main_~z~0 (_ bv0 32))} is VALID [2018-11-23 11:48:07,933 INFO L273 TraceCheckUtils]: 7: Hoare triple {551#(= main_~z~0 (_ bv0 32))} assume !~bvult32(~z~0, 268435455bv32); {529#false} is VALID [2018-11-23 11:48:07,934 INFO L256 TraceCheckUtils]: 8: Hoare triple {529#false} call __VERIFIER_assert(~bvurem32(~z~0, 4bv32)); {529#false} is VALID [2018-11-23 11:48:07,934 INFO L273 TraceCheckUtils]: 9: Hoare triple {529#false} ~cond := #in~cond; {529#false} is VALID [2018-11-23 11:48:07,934 INFO L273 TraceCheckUtils]: 10: Hoare triple {529#false} assume 0bv32 == ~cond; {529#false} is VALID [2018-11-23 11:48:07,934 INFO L273 TraceCheckUtils]: 11: Hoare triple {529#false} assume !false; {529#false} is VALID [2018-11-23 11:48:07,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:48:07,936 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 11:48:07,938 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:48:07,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 11:48:07,938 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-11-23 11:48:07,939 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:48:07,939 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 11:48:07,967 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:48:07,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 11:48:07,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 11:48:07,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:48:07,968 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 3 states. [2018-11-23 11:48:08,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:08,177 INFO L93 Difference]: Finished difference Result 38 states and 47 transitions. [2018-11-23 11:48:08,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 11:48:08,177 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-11-23 11:48:08,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:48:08,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 11:48:08,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 45 transitions. [2018-11-23 11:48:08,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 11:48:08,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 45 transitions. [2018-11-23 11:48:08,182 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 45 transitions. [2018-11-23 11:48:08,283 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:48:08,285 INFO L225 Difference]: With dead ends: 38 [2018-11-23 11:48:08,285 INFO L226 Difference]: Without dead ends: 23 [2018-11-23 11:48:08,286 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:48:08,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-11-23 11:48:08,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2018-11-23 11:48:08,304 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:48:08,304 INFO L82 GeneralOperation]: Start isEquivalent. First operand 23 states. Second operand 22 states. [2018-11-23 11:48:08,304 INFO L74 IsIncluded]: Start isIncluded. First operand 23 states. Second operand 22 states. [2018-11-23 11:48:08,304 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 22 states. [2018-11-23 11:48:08,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:08,308 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2018-11-23 11:48:08,308 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2018-11-23 11:48:08,309 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:48:08,309 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:48:08,309 INFO L74 IsIncluded]: Start isIncluded. First operand 22 states. Second operand 23 states. [2018-11-23 11:48:08,309 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 23 states. [2018-11-23 11:48:08,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:08,312 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2018-11-23 11:48:08,312 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2018-11-23 11:48:08,313 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:48:08,313 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:48:08,313 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:48:08,313 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:48:08,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-11-23 11:48:08,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2018-11-23 11:48:08,315 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 12 [2018-11-23 11:48:08,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:48:08,316 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2018-11-23 11:48:08,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 11:48:08,316 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2018-11-23 11:48:08,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 11:48:08,317 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:48:08,317 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:48:08,317 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:48:08,317 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:48:08,318 INFO L82 PathProgramCache]: Analyzing trace with hash -681648618, now seen corresponding path program 1 times [2018-11-23 11:48:08,318 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:48:08,318 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 6 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 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:48:08,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:48:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:48:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:48:08,385 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:48:08,529 INFO L256 TraceCheckUtils]: 0: Hoare triple {709#true} call ULTIMATE.init(); {709#true} is VALID [2018-11-23 11:48:08,529 INFO L273 TraceCheckUtils]: 1: Hoare triple {709#true} assume true; {709#true} is VALID [2018-11-23 11:48:08,530 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {709#true} {709#true} #59#return; {709#true} is VALID [2018-11-23 11:48:08,530 INFO L256 TraceCheckUtils]: 3: Hoare triple {709#true} call #t~ret3 := main(); {709#true} is VALID [2018-11-23 11:48:08,530 INFO L273 TraceCheckUtils]: 4: Hoare triple {709#true} ~x~0 := 0bv32;~y~0 := 0bv32;~z~0 := 0bv32;~w~0 := 0bv32; {709#true} is VALID [2018-11-23 11:48:08,530 INFO L273 TraceCheckUtils]: 5: Hoare triple {709#true} assume !!~bvult32(~x~0, 268435455bv32);~y~0 := 0bv32; {709#true} is VALID [2018-11-23 11:48:08,531 INFO L273 TraceCheckUtils]: 6: Hoare triple {709#true} assume !!~bvult32(~y~0, 268435455bv32);~z~0 := 0bv32; {732#(= main_~z~0 (_ bv0 32))} is VALID [2018-11-23 11:48:08,532 INFO L273 TraceCheckUtils]: 7: Hoare triple {732#(= main_~z~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {736#(= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:08,535 INFO L273 TraceCheckUtils]: 8: Hoare triple {736#(= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32))} assume !~bvult32(~z~0, 268435455bv32); {710#false} is VALID [2018-11-23 11:48:08,536 INFO L256 TraceCheckUtils]: 9: Hoare triple {710#false} call __VERIFIER_assert(~bvurem32(~z~0, 4bv32)); {710#false} is VALID [2018-11-23 11:48:08,536 INFO L273 TraceCheckUtils]: 10: Hoare triple {710#false} ~cond := #in~cond; {710#false} is VALID [2018-11-23 11:48:08,536 INFO L273 TraceCheckUtils]: 11: Hoare triple {710#false} assume 0bv32 == ~cond; {710#false} is VALID [2018-11-23 11:48:08,537 INFO L273 TraceCheckUtils]: 12: Hoare triple {710#false} assume !false; {710#false} is VALID [2018-11-23 11:48:08,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:48:08,538 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:48:08,841 INFO L273 TraceCheckUtils]: 12: Hoare triple {710#false} assume !false; {710#false} is VALID [2018-11-23 11:48:08,841 INFO L273 TraceCheckUtils]: 11: Hoare triple {710#false} assume 0bv32 == ~cond; {710#false} is VALID [2018-11-23 11:48:08,841 INFO L273 TraceCheckUtils]: 10: Hoare triple {710#false} ~cond := #in~cond; {710#false} is VALID [2018-11-23 11:48:08,842 INFO L256 TraceCheckUtils]: 9: Hoare triple {710#false} call __VERIFIER_assert(~bvurem32(~z~0, 4bv32)); {710#false} is VALID [2018-11-23 11:48:08,842 INFO L273 TraceCheckUtils]: 8: Hoare triple {764#(bvult main_~z~0 (_ bv268435455 32))} assume !~bvult32(~z~0, 268435455bv32); {710#false} is VALID [2018-11-23 11:48:08,843 INFO L273 TraceCheckUtils]: 7: Hoare triple {768#(bvult (bvadd main_~z~0 (_ bv1 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {764#(bvult main_~z~0 (_ bv268435455 32))} is VALID [2018-11-23 11:48:08,845 INFO L273 TraceCheckUtils]: 6: Hoare triple {709#true} assume !!~bvult32(~y~0, 268435455bv32);~z~0 := 0bv32; {768#(bvult (bvadd main_~z~0 (_ bv1 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:08,845 INFO L273 TraceCheckUtils]: 5: Hoare triple {709#true} assume !!~bvult32(~x~0, 268435455bv32);~y~0 := 0bv32; {709#true} is VALID [2018-11-23 11:48:08,846 INFO L273 TraceCheckUtils]: 4: Hoare triple {709#true} ~x~0 := 0bv32;~y~0 := 0bv32;~z~0 := 0bv32;~w~0 := 0bv32; {709#true} is VALID [2018-11-23 11:48:08,846 INFO L256 TraceCheckUtils]: 3: Hoare triple {709#true} call #t~ret3 := main(); {709#true} is VALID [2018-11-23 11:48:08,846 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {709#true} {709#true} #59#return; {709#true} is VALID [2018-11-23 11:48:08,846 INFO L273 TraceCheckUtils]: 1: Hoare triple {709#true} assume true; {709#true} is VALID [2018-11-23 11:48:08,847 INFO L256 TraceCheckUtils]: 0: Hoare triple {709#true} call ULTIMATE.init(); {709#true} is VALID [2018-11-23 11:48:08,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:48:08,849 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:48:08,849 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-11-23 11:48:08,850 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-11-23 11:48:08,850 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:48:08,851 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-23 11:48:08,908 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:48:08,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 11:48:08,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 11:48:08,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:48:08,910 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 6 states. [2018-11-23 11:48:09,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:09,190 INFO L93 Difference]: Finished difference Result 42 states and 53 transitions. [2018-11-23 11:48:09,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 11:48:09,190 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-11-23 11:48:09,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:48:09,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 11:48:09,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 50 transitions. [2018-11-23 11:48:09,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 11:48:09,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 50 transitions. [2018-11-23 11:48:09,195 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 50 transitions. [2018-11-23 11:48:09,294 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:48:09,295 INFO L225 Difference]: With dead ends: 42 [2018-11-23 11:48:09,295 INFO L226 Difference]: Without dead ends: 26 [2018-11-23 11:48:09,296 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-11-23 11:48:09,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-11-23 11:48:09,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2018-11-23 11:48:09,321 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:48:09,321 INFO L82 GeneralOperation]: Start isEquivalent. First operand 26 states. Second operand 25 states. [2018-11-23 11:48:09,321 INFO L74 IsIncluded]: Start isIncluded. First operand 26 states. Second operand 25 states. [2018-11-23 11:48:09,321 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 25 states. [2018-11-23 11:48:09,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:09,323 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2018-11-23 11:48:09,324 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2018-11-23 11:48:09,324 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:48:09,324 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:48:09,325 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand 26 states. [2018-11-23 11:48:09,325 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 26 states. [2018-11-23 11:48:09,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:09,327 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2018-11-23 11:48:09,327 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2018-11-23 11:48:09,328 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:48:09,328 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:48:09,328 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:48:09,328 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:48:09,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-11-23 11:48:09,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2018-11-23 11:48:09,330 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 13 [2018-11-23 11:48:09,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:48:09,331 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2018-11-23 11:48:09,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 11:48:09,331 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2018-11-23 11:48:09,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 11:48:09,332 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:48:09,332 INFO L402 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:48:09,332 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:48:09,333 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:48:09,333 INFO L82 PathProgramCache]: Analyzing trace with hash 877091307, now seen corresponding path program 2 times [2018-11-23 11:48:09,333 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:48:09,333 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 7 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 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:48:09,354 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-23 11:48:09,384 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 11:48:09,384 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 11:48:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:48:09,406 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:48:09,613 INFO L256 TraceCheckUtils]: 0: Hoare triple {957#true} call ULTIMATE.init(); {957#true} is VALID [2018-11-23 11:48:09,614 INFO L273 TraceCheckUtils]: 1: Hoare triple {957#true} assume true; {957#true} is VALID [2018-11-23 11:48:09,614 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {957#true} {957#true} #59#return; {957#true} is VALID [2018-11-23 11:48:09,615 INFO L256 TraceCheckUtils]: 3: Hoare triple {957#true} call #t~ret3 := main(); {957#true} is VALID [2018-11-23 11:48:09,615 INFO L273 TraceCheckUtils]: 4: Hoare triple {957#true} ~x~0 := 0bv32;~y~0 := 0bv32;~z~0 := 0bv32;~w~0 := 0bv32; {957#true} is VALID [2018-11-23 11:48:09,615 INFO L273 TraceCheckUtils]: 5: Hoare triple {957#true} assume !!~bvult32(~x~0, 268435455bv32);~y~0 := 0bv32; {957#true} is VALID [2018-11-23 11:48:09,616 INFO L273 TraceCheckUtils]: 6: Hoare triple {957#true} assume !!~bvult32(~y~0, 268435455bv32);~z~0 := 0bv32; {980#(= main_~z~0 (_ bv0 32))} is VALID [2018-11-23 11:48:09,618 INFO L273 TraceCheckUtils]: 7: Hoare triple {980#(= main_~z~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {984#(= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:09,618 INFO L273 TraceCheckUtils]: 8: Hoare triple {984#(= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {988#(= (bvadd main_~z~0 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:09,620 INFO L273 TraceCheckUtils]: 9: Hoare triple {988#(= (bvadd main_~z~0 (_ bv4294967294 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {992#(= (bvadd main_~z~0 (_ bv4294967293 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:09,621 INFO L273 TraceCheckUtils]: 10: Hoare triple {992#(= (bvadd main_~z~0 (_ bv4294967293 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {996#(= (bvadd main_~z~0 (_ bv4294967292 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:09,622 INFO L273 TraceCheckUtils]: 11: Hoare triple {996#(= (bvadd main_~z~0 (_ bv4294967292 32)) (_ bv0 32))} assume !~bvult32(~z~0, 268435455bv32); {958#false} is VALID [2018-11-23 11:48:09,622 INFO L256 TraceCheckUtils]: 12: Hoare triple {958#false} call __VERIFIER_assert(~bvurem32(~z~0, 4bv32)); {958#false} is VALID [2018-11-23 11:48:09,623 INFO L273 TraceCheckUtils]: 13: Hoare triple {958#false} ~cond := #in~cond; {958#false} is VALID [2018-11-23 11:48:09,623 INFO L273 TraceCheckUtils]: 14: Hoare triple {958#false} assume 0bv32 == ~cond; {958#false} is VALID [2018-11-23 11:48:09,623 INFO L273 TraceCheckUtils]: 15: Hoare triple {958#false} assume !false; {958#false} is VALID [2018-11-23 11:48:09,625 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:48:09,625 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:48:10,014 INFO L273 TraceCheckUtils]: 15: Hoare triple {958#false} assume !false; {958#false} is VALID [2018-11-23 11:48:10,016 INFO L273 TraceCheckUtils]: 14: Hoare triple {1015#(not (= (_ bv0 32) __VERIFIER_assert_~cond))} assume 0bv32 == ~cond; {958#false} is VALID [2018-11-23 11:48:10,017 INFO L273 TraceCheckUtils]: 13: Hoare triple {1019#(not (= |__VERIFIER_assert_#in~cond| (_ bv0 32)))} ~cond := #in~cond; {1015#(not (= (_ bv0 32) __VERIFIER_assert_~cond))} is VALID [2018-11-23 11:48:10,018 INFO L256 TraceCheckUtils]: 12: Hoare triple {1023#(not (= (bvurem main_~z~0 (_ bv4 32)) (_ bv0 32)))} call __VERIFIER_assert(~bvurem32(~z~0, 4bv32)); {1019#(not (= |__VERIFIER_assert_#in~cond| (_ bv0 32)))} is VALID [2018-11-23 11:48:10,035 INFO L273 TraceCheckUtils]: 11: Hoare triple {1027#(or (not (= (bvurem main_~z~0 (_ bv4 32)) (_ bv0 32))) (bvult main_~z~0 (_ bv268435455 32)))} assume !~bvult32(~z~0, 268435455bv32); {1023#(not (= (bvurem main_~z~0 (_ bv4 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:10,037 INFO L273 TraceCheckUtils]: 10: Hoare triple {1031#(or (bvult (bvadd main_~z~0 (_ bv1 32)) (_ bv268435455 32)) (not (= (bvurem (bvadd main_~z~0 (_ bv1 32)) (_ bv4 32)) (_ bv0 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1027#(or (not (= (bvurem main_~z~0 (_ bv4 32)) (_ bv0 32))) (bvult main_~z~0 (_ bv268435455 32)))} is VALID [2018-11-23 11:48:10,040 INFO L273 TraceCheckUtils]: 9: Hoare triple {1035#(or (bvult (bvadd main_~z~0 (_ bv2 32)) (_ bv268435455 32)) (not (= (_ bv0 32) (bvurem (bvadd main_~z~0 (_ bv2 32)) (_ bv4 32)))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1031#(or (bvult (bvadd main_~z~0 (_ bv1 32)) (_ bv268435455 32)) (not (= (bvurem (bvadd main_~z~0 (_ bv1 32)) (_ bv4 32)) (_ bv0 32))))} is VALID [2018-11-23 11:48:10,052 INFO L273 TraceCheckUtils]: 8: Hoare triple {1039#(or (not (= (bvurem (bvadd main_~z~0 (_ bv3 32)) (_ bv4 32)) (_ bv0 32))) (bvult (bvadd main_~z~0 (_ bv3 32)) (_ bv268435455 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1035#(or (bvult (bvadd main_~z~0 (_ bv2 32)) (_ bv268435455 32)) (not (= (_ bv0 32) (bvurem (bvadd main_~z~0 (_ bv2 32)) (_ bv4 32)))))} is VALID [2018-11-23 11:48:10,068 INFO L273 TraceCheckUtils]: 7: Hoare triple {1043#(or (not (= (bvurem (bvadd main_~z~0 (_ bv4 32)) (_ bv4 32)) (_ bv0 32))) (bvult (bvadd main_~z~0 (_ bv4 32)) (_ bv268435455 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1039#(or (not (= (bvurem (bvadd main_~z~0 (_ bv3 32)) (_ bv4 32)) (_ bv0 32))) (bvult (bvadd main_~z~0 (_ bv3 32)) (_ bv268435455 32)))} is VALID [2018-11-23 11:48:10,083 INFO L273 TraceCheckUtils]: 6: Hoare triple {957#true} assume !!~bvult32(~y~0, 268435455bv32);~z~0 := 0bv32; {1043#(or (not (= (bvurem (bvadd main_~z~0 (_ bv4 32)) (_ bv4 32)) (_ bv0 32))) (bvult (bvadd main_~z~0 (_ bv4 32)) (_ bv268435455 32)))} is VALID [2018-11-23 11:48:10,083 INFO L273 TraceCheckUtils]: 5: Hoare triple {957#true} assume !!~bvult32(~x~0, 268435455bv32);~y~0 := 0bv32; {957#true} is VALID [2018-11-23 11:48:10,084 INFO L273 TraceCheckUtils]: 4: Hoare triple {957#true} ~x~0 := 0bv32;~y~0 := 0bv32;~z~0 := 0bv32;~w~0 := 0bv32; {957#true} is VALID [2018-11-23 11:48:10,084 INFO L256 TraceCheckUtils]: 3: Hoare triple {957#true} call #t~ret3 := main(); {957#true} is VALID [2018-11-23 11:48:10,084 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {957#true} {957#true} #59#return; {957#true} is VALID [2018-11-23 11:48:10,085 INFO L273 TraceCheckUtils]: 1: Hoare triple {957#true} assume true; {957#true} is VALID [2018-11-23 11:48:10,085 INFO L256 TraceCheckUtils]: 0: Hoare triple {957#true} call ULTIMATE.init(); {957#true} is VALID [2018-11-23 11:48:10,087 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:48:10,091 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:48:10,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2018-11-23 11:48:10,092 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 16 [2018-11-23 11:48:10,092 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:48:10,093 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states. [2018-11-23 11:48:10,155 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:48:10,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 11:48:10,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 11:48:10,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2018-11-23 11:48:10,156 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 15 states. [2018-11-23 11:48:12,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:12,217 INFO L93 Difference]: Finished difference Result 78 states and 103 transitions. [2018-11-23 11:48:12,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-23 11:48:12,217 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 16 [2018-11-23 11:48:12,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:48:12,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-23 11:48:12,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 94 transitions. [2018-11-23 11:48:12,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-23 11:48:12,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 94 transitions. [2018-11-23 11:48:12,226 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states and 94 transitions. [2018-11-23 11:48:12,427 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 94 edges. 94 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:48:12,433 INFO L225 Difference]: With dead ends: 78 [2018-11-23 11:48:12,433 INFO L226 Difference]: Without dead ends: 59 [2018-11-23 11:48:12,434 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=133, Invalid=329, Unknown=0, NotChecked=0, Total=462 [2018-11-23 11:48:12,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-11-23 11:48:12,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 30. [2018-11-23 11:48:12,507 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:48:12,508 INFO L82 GeneralOperation]: Start isEquivalent. First operand 59 states. Second operand 30 states. [2018-11-23 11:48:12,508 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand 30 states. [2018-11-23 11:48:12,508 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 30 states. [2018-11-23 11:48:12,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:12,512 INFO L93 Difference]: Finished difference Result 59 states and 78 transitions. [2018-11-23 11:48:12,512 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2018-11-23 11:48:12,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:48:12,514 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:48:12,514 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand 59 states. [2018-11-23 11:48:12,514 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 59 states. [2018-11-23 11:48:12,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:12,519 INFO L93 Difference]: Finished difference Result 59 states and 78 transitions. [2018-11-23 11:48:12,519 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2018-11-23 11:48:12,520 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:48:12,520 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:48:12,520 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:48:12,521 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:48:12,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-11-23 11:48:12,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2018-11-23 11:48:12,523 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 16 [2018-11-23 11:48:12,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:48:12,523 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2018-11-23 11:48:12,523 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 11:48:12,523 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2018-11-23 11:48:12,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 11:48:12,524 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:48:12,524 INFO L402 BasicCegarLoop]: trace histogram [5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:48:12,525 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:48:12,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:48:12,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1080485078, now seen corresponding path program 1 times [2018-11-23 11:48:12,526 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:48:12,526 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 8 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 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:48:12,548 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 11:48:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:48:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:48:12,590 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:48:12,770 INFO L256 TraceCheckUtils]: 0: Hoare triple {1383#true} call ULTIMATE.init(); {1383#true} is VALID [2018-11-23 11:48:12,770 INFO L273 TraceCheckUtils]: 1: Hoare triple {1383#true} assume true; {1383#true} is VALID [2018-11-23 11:48:12,771 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {1383#true} {1383#true} #59#return; {1383#true} is VALID [2018-11-23 11:48:12,771 INFO L256 TraceCheckUtils]: 3: Hoare triple {1383#true} call #t~ret3 := main(); {1383#true} is VALID [2018-11-23 11:48:12,771 INFO L273 TraceCheckUtils]: 4: Hoare triple {1383#true} ~x~0 := 0bv32;~y~0 := 0bv32;~z~0 := 0bv32;~w~0 := 0bv32; {1383#true} is VALID [2018-11-23 11:48:12,772 INFO L273 TraceCheckUtils]: 5: Hoare triple {1383#true} assume !!~bvult32(~x~0, 268435455bv32);~y~0 := 0bv32; {1383#true} is VALID [2018-11-23 11:48:12,777 INFO L273 TraceCheckUtils]: 6: Hoare triple {1383#true} assume !!~bvult32(~y~0, 268435455bv32);~z~0 := 0bv32; {1406#(= main_~z~0 (_ bv0 32))} is VALID [2018-11-23 11:48:12,778 INFO L273 TraceCheckUtils]: 7: Hoare triple {1406#(= main_~z~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1410#(= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:12,781 INFO L273 TraceCheckUtils]: 8: Hoare triple {1410#(= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1414#(= (bvadd main_~z~0 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:12,782 INFO L273 TraceCheckUtils]: 9: Hoare triple {1414#(= (bvadd main_~z~0 (_ bv4294967294 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1418#(= (bvadd main_~z~0 (_ bv4294967293 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:12,783 INFO L273 TraceCheckUtils]: 10: Hoare triple {1418#(= (bvadd main_~z~0 (_ bv4294967293 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1422#(= (bvadd main_~z~0 (_ bv4294967292 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:12,783 INFO L273 TraceCheckUtils]: 11: Hoare triple {1422#(= (bvadd main_~z~0 (_ bv4294967292 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1426#(= (bvadd main_~z~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:12,784 INFO L273 TraceCheckUtils]: 12: Hoare triple {1426#(= (bvadd main_~z~0 (_ bv4294967291 32)) (_ bv0 32))} assume !~bvult32(~z~0, 268435455bv32); {1384#false} is VALID [2018-11-23 11:48:12,784 INFO L256 TraceCheckUtils]: 13: Hoare triple {1384#false} call __VERIFIER_assert(~bvurem32(~z~0, 4bv32)); {1384#false} is VALID [2018-11-23 11:48:12,785 INFO L273 TraceCheckUtils]: 14: Hoare triple {1384#false} ~cond := #in~cond; {1384#false} is VALID [2018-11-23 11:48:12,785 INFO L273 TraceCheckUtils]: 15: Hoare triple {1384#false} assume !(0bv32 == ~cond); {1384#false} is VALID [2018-11-23 11:48:12,786 INFO L273 TraceCheckUtils]: 16: Hoare triple {1384#false} assume true; {1384#false} is VALID [2018-11-23 11:48:12,786 INFO L268 TraceCheckUtils]: 17: Hoare quadruple {1384#false} {1384#false} #63#return; {1384#false} is VALID [2018-11-23 11:48:12,786 INFO L273 TraceCheckUtils]: 18: Hoare triple {1384#false} #t~post1 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post1);havoc #t~post1; {1384#false} is VALID [2018-11-23 11:48:12,787 INFO L273 TraceCheckUtils]: 19: Hoare triple {1384#false} assume !~bvult32(~y~0, 268435455bv32); {1384#false} is VALID [2018-11-23 11:48:12,787 INFO L256 TraceCheckUtils]: 20: Hoare triple {1384#false} call __VERIFIER_assert(~bvurem32(~y~0, 2bv32)); {1384#false} is VALID [2018-11-23 11:48:12,787 INFO L273 TraceCheckUtils]: 21: Hoare triple {1384#false} ~cond := #in~cond; {1384#false} is VALID [2018-11-23 11:48:12,788 INFO L273 TraceCheckUtils]: 22: Hoare triple {1384#false} assume 0bv32 == ~cond; {1384#false} is VALID [2018-11-23 11:48:12,788 INFO L273 TraceCheckUtils]: 23: Hoare triple {1384#false} assume !false; {1384#false} is VALID [2018-11-23 11:48:12,789 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 11:48:12,790 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:48:13,162 INFO L273 TraceCheckUtils]: 23: Hoare triple {1384#false} assume !false; {1384#false} is VALID [2018-11-23 11:48:13,163 INFO L273 TraceCheckUtils]: 22: Hoare triple {1384#false} assume 0bv32 == ~cond; {1384#false} is VALID [2018-11-23 11:48:13,163 INFO L273 TraceCheckUtils]: 21: Hoare triple {1384#false} ~cond := #in~cond; {1384#false} is VALID [2018-11-23 11:48:13,164 INFO L256 TraceCheckUtils]: 20: Hoare triple {1384#false} call __VERIFIER_assert(~bvurem32(~y~0, 2bv32)); {1384#false} is VALID [2018-11-23 11:48:13,164 INFO L273 TraceCheckUtils]: 19: Hoare triple {1384#false} assume !~bvult32(~y~0, 268435455bv32); {1384#false} is VALID [2018-11-23 11:48:13,165 INFO L273 TraceCheckUtils]: 18: Hoare triple {1384#false} #t~post1 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post1);havoc #t~post1; {1384#false} is VALID [2018-11-23 11:48:13,165 INFO L268 TraceCheckUtils]: 17: Hoare quadruple {1383#true} {1384#false} #63#return; {1384#false} is VALID [2018-11-23 11:48:13,165 INFO L273 TraceCheckUtils]: 16: Hoare triple {1383#true} assume true; {1383#true} is VALID [2018-11-23 11:48:13,166 INFO L273 TraceCheckUtils]: 15: Hoare triple {1383#true} assume !(0bv32 == ~cond); {1383#true} is VALID [2018-11-23 11:48:13,166 INFO L273 TraceCheckUtils]: 14: Hoare triple {1383#true} ~cond := #in~cond; {1383#true} is VALID [2018-11-23 11:48:13,166 INFO L256 TraceCheckUtils]: 13: Hoare triple {1384#false} call __VERIFIER_assert(~bvurem32(~z~0, 4bv32)); {1383#true} is VALID [2018-11-23 11:48:13,168 INFO L273 TraceCheckUtils]: 12: Hoare triple {1496#(bvult main_~z~0 (_ bv268435455 32))} assume !~bvult32(~z~0, 268435455bv32); {1384#false} is VALID [2018-11-23 11:48:13,169 INFO L273 TraceCheckUtils]: 11: Hoare triple {1500#(bvult (bvadd main_~z~0 (_ bv1 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1496#(bvult main_~z~0 (_ bv268435455 32))} is VALID [2018-11-23 11:48:13,171 INFO L273 TraceCheckUtils]: 10: Hoare triple {1504#(bvult (bvadd main_~z~0 (_ bv2 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1500#(bvult (bvadd main_~z~0 (_ bv1 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:13,173 INFO L273 TraceCheckUtils]: 9: Hoare triple {1508#(bvult (bvadd main_~z~0 (_ bv3 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1504#(bvult (bvadd main_~z~0 (_ bv2 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:13,176 INFO L273 TraceCheckUtils]: 8: Hoare triple {1512#(bvult (bvadd main_~z~0 (_ bv4 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1508#(bvult (bvadd main_~z~0 (_ bv3 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:13,178 INFO L273 TraceCheckUtils]: 7: Hoare triple {1516#(bvult (bvadd main_~z~0 (_ bv5 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1512#(bvult (bvadd main_~z~0 (_ bv4 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:13,179 INFO L273 TraceCheckUtils]: 6: Hoare triple {1383#true} assume !!~bvult32(~y~0, 268435455bv32);~z~0 := 0bv32; {1516#(bvult (bvadd main_~z~0 (_ bv5 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:13,180 INFO L273 TraceCheckUtils]: 5: Hoare triple {1383#true} assume !!~bvult32(~x~0, 268435455bv32);~y~0 := 0bv32; {1383#true} is VALID [2018-11-23 11:48:13,180 INFO L273 TraceCheckUtils]: 4: Hoare triple {1383#true} ~x~0 := 0bv32;~y~0 := 0bv32;~z~0 := 0bv32;~w~0 := 0bv32; {1383#true} is VALID [2018-11-23 11:48:13,180 INFO L256 TraceCheckUtils]: 3: Hoare triple {1383#true} call #t~ret3 := main(); {1383#true} is VALID [2018-11-23 11:48:13,181 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {1383#true} {1383#true} #59#return; {1383#true} is VALID [2018-11-23 11:48:13,181 INFO L273 TraceCheckUtils]: 1: Hoare triple {1383#true} assume true; {1383#true} is VALID [2018-11-23 11:48:13,181 INFO L256 TraceCheckUtils]: 0: Hoare triple {1383#true} call ULTIMATE.init(); {1383#true} is VALID [2018-11-23 11:48:13,183 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:48:13,185 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:48:13,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-11-23 11:48:13,188 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 24 [2018-11-23 11:48:13,188 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:48:13,189 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states. [2018-11-23 11:48:13,241 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:48:13,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 11:48:13,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 11:48:13,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2018-11-23 11:48:13,242 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand 14 states. [2018-11-23 11:48:14,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:14,325 INFO L93 Difference]: Finished difference Result 62 states and 75 transitions. [2018-11-23 11:48:14,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 11:48:14,325 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 24 [2018-11-23 11:48:14,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:48:14,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-23 11:48:14,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 62 transitions. [2018-11-23 11:48:14,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-23 11:48:14,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 62 transitions. [2018-11-23 11:48:14,329 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 62 transitions. [2018-11-23 11:48:14,444 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:48:14,445 INFO L225 Difference]: With dead ends: 62 [2018-11-23 11:48:14,445 INFO L226 Difference]: Without dead ends: 38 [2018-11-23 11:48:14,446 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=131, Invalid=211, Unknown=0, NotChecked=0, Total=342 [2018-11-23 11:48:14,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-11-23 11:48:14,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2018-11-23 11:48:14,593 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:48:14,593 INFO L82 GeneralOperation]: Start isEquivalent. First operand 38 states. Second operand 37 states. [2018-11-23 11:48:14,593 INFO L74 IsIncluded]: Start isIncluded. First operand 38 states. Second operand 37 states. [2018-11-23 11:48:14,593 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 37 states. [2018-11-23 11:48:14,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:14,595 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2018-11-23 11:48:14,596 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2018-11-23 11:48:14,596 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:48:14,596 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:48:14,596 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 38 states. [2018-11-23 11:48:14,597 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 38 states. [2018-11-23 11:48:14,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:14,598 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2018-11-23 11:48:14,599 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2018-11-23 11:48:14,599 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:48:14,599 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:48:14,599 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:48:14,599 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:48:14,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-23 11:48:14,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2018-11-23 11:48:14,601 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 24 [2018-11-23 11:48:14,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:48:14,601 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2018-11-23 11:48:14,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 11:48:14,602 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2018-11-23 11:48:14,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 11:48:14,602 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:48:14,603 INFO L402 BasicCegarLoop]: trace histogram [12, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:48:14,603 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:48:14,603 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:48:14,603 INFO L82 PathProgramCache]: Analyzing trace with hash -515728011, now seen corresponding path program 2 times [2018-11-23 11:48:14,604 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:48:14,604 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 9 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 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:48:14,627 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2018-11-23 11:48:14,671 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 11:48:14,672 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 11:48:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:48:14,698 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:48:14,931 INFO L256 TraceCheckUtils]: 0: Hoare triple {1792#true} call ULTIMATE.init(); {1792#true} is VALID [2018-11-23 11:48:14,932 INFO L273 TraceCheckUtils]: 1: Hoare triple {1792#true} assume true; {1792#true} is VALID [2018-11-23 11:48:14,932 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {1792#true} {1792#true} #59#return; {1792#true} is VALID [2018-11-23 11:48:14,932 INFO L256 TraceCheckUtils]: 3: Hoare triple {1792#true} call #t~ret3 := main(); {1792#true} is VALID [2018-11-23 11:48:14,933 INFO L273 TraceCheckUtils]: 4: Hoare triple {1792#true} ~x~0 := 0bv32;~y~0 := 0bv32;~z~0 := 0bv32;~w~0 := 0bv32; {1792#true} is VALID [2018-11-23 11:48:14,933 INFO L273 TraceCheckUtils]: 5: Hoare triple {1792#true} assume !!~bvult32(~x~0, 268435455bv32);~y~0 := 0bv32; {1792#true} is VALID [2018-11-23 11:48:14,934 INFO L273 TraceCheckUtils]: 6: Hoare triple {1792#true} assume !!~bvult32(~y~0, 268435455bv32);~z~0 := 0bv32; {1815#(= main_~z~0 (_ bv0 32))} is VALID [2018-11-23 11:48:14,935 INFO L273 TraceCheckUtils]: 7: Hoare triple {1815#(= main_~z~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1819#(= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:14,936 INFO L273 TraceCheckUtils]: 8: Hoare triple {1819#(= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1823#(= (bvadd main_~z~0 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:14,936 INFO L273 TraceCheckUtils]: 9: Hoare triple {1823#(= (bvadd main_~z~0 (_ bv4294967294 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1827#(= (bvadd main_~z~0 (_ bv4294967293 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:14,937 INFO L273 TraceCheckUtils]: 10: Hoare triple {1827#(= (bvadd main_~z~0 (_ bv4294967293 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1831#(= (bvadd main_~z~0 (_ bv4294967292 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:14,937 INFO L273 TraceCheckUtils]: 11: Hoare triple {1831#(= (bvadd main_~z~0 (_ bv4294967292 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1835#(= (bvadd main_~z~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:14,938 INFO L273 TraceCheckUtils]: 12: Hoare triple {1835#(= (bvadd main_~z~0 (_ bv4294967291 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1839#(= (_ bv6 32) main_~z~0)} is VALID [2018-11-23 11:48:14,959 INFO L273 TraceCheckUtils]: 13: Hoare triple {1839#(= (_ bv6 32) main_~z~0)} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1843#(= (bvadd main_~z~0 (_ bv4294967289 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:14,973 INFO L273 TraceCheckUtils]: 14: Hoare triple {1843#(= (bvadd main_~z~0 (_ bv4294967289 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1847#(= (_ bv8 32) main_~z~0)} is VALID [2018-11-23 11:48:14,989 INFO L273 TraceCheckUtils]: 15: Hoare triple {1847#(= (_ bv8 32) main_~z~0)} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1851#(= (bvadd main_~z~0 (_ bv4294967287 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:15,005 INFO L273 TraceCheckUtils]: 16: Hoare triple {1851#(= (bvadd main_~z~0 (_ bv4294967287 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1855#(= (_ bv10 32) main_~z~0)} is VALID [2018-11-23 11:48:15,020 INFO L273 TraceCheckUtils]: 17: Hoare triple {1855#(= (_ bv10 32) main_~z~0)} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1859#(= (bvadd main_~z~0 (_ bv4294967285 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:15,029 INFO L273 TraceCheckUtils]: 18: Hoare triple {1859#(= (bvadd main_~z~0 (_ bv4294967285 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1863#(= (bvadd main_~z~0 (_ bv4294967284 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:15,043 INFO L273 TraceCheckUtils]: 19: Hoare triple {1863#(= (bvadd main_~z~0 (_ bv4294967284 32)) (_ bv0 32))} assume !~bvult32(~z~0, 268435455bv32); {1793#false} is VALID [2018-11-23 11:48:15,043 INFO L256 TraceCheckUtils]: 20: Hoare triple {1793#false} call __VERIFIER_assert(~bvurem32(~z~0, 4bv32)); {1793#false} is VALID [2018-11-23 11:48:15,044 INFO L273 TraceCheckUtils]: 21: Hoare triple {1793#false} ~cond := #in~cond; {1793#false} is VALID [2018-11-23 11:48:15,044 INFO L273 TraceCheckUtils]: 22: Hoare triple {1793#false} assume !(0bv32 == ~cond); {1793#false} is VALID [2018-11-23 11:48:15,044 INFO L273 TraceCheckUtils]: 23: Hoare triple {1793#false} assume true; {1793#false} is VALID [2018-11-23 11:48:15,044 INFO L268 TraceCheckUtils]: 24: Hoare quadruple {1793#false} {1793#false} #63#return; {1793#false} is VALID [2018-11-23 11:48:15,045 INFO L273 TraceCheckUtils]: 25: Hoare triple {1793#false} #t~post1 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post1);havoc #t~post1; {1793#false} is VALID [2018-11-23 11:48:15,045 INFO L273 TraceCheckUtils]: 26: Hoare triple {1793#false} assume !~bvult32(~y~0, 268435455bv32); {1793#false} is VALID [2018-11-23 11:48:15,045 INFO L256 TraceCheckUtils]: 27: Hoare triple {1793#false} call __VERIFIER_assert(~bvurem32(~y~0, 2bv32)); {1793#false} is VALID [2018-11-23 11:48:15,045 INFO L273 TraceCheckUtils]: 28: Hoare triple {1793#false} ~cond := #in~cond; {1793#false} is VALID [2018-11-23 11:48:15,045 INFO L273 TraceCheckUtils]: 29: Hoare triple {1793#false} assume 0bv32 == ~cond; {1793#false} is VALID [2018-11-23 11:48:15,046 INFO L273 TraceCheckUtils]: 30: Hoare triple {1793#false} assume !false; {1793#false} is VALID [2018-11-23 11:48:15,047 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 1 proven. 78 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 11:48:15,048 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:48:15,899 INFO L273 TraceCheckUtils]: 30: Hoare triple {1793#false} assume !false; {1793#false} is VALID [2018-11-23 11:48:15,900 INFO L273 TraceCheckUtils]: 29: Hoare triple {1793#false} assume 0bv32 == ~cond; {1793#false} is VALID [2018-11-23 11:48:15,900 INFO L273 TraceCheckUtils]: 28: Hoare triple {1793#false} ~cond := #in~cond; {1793#false} is VALID [2018-11-23 11:48:15,900 INFO L256 TraceCheckUtils]: 27: Hoare triple {1793#false} call __VERIFIER_assert(~bvurem32(~y~0, 2bv32)); {1793#false} is VALID [2018-11-23 11:48:15,901 INFO L273 TraceCheckUtils]: 26: Hoare triple {1793#false} assume !~bvult32(~y~0, 268435455bv32); {1793#false} is VALID [2018-11-23 11:48:15,901 INFO L273 TraceCheckUtils]: 25: Hoare triple {1793#false} #t~post1 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post1);havoc #t~post1; {1793#false} is VALID [2018-11-23 11:48:15,901 INFO L268 TraceCheckUtils]: 24: Hoare quadruple {1792#true} {1793#false} #63#return; {1793#false} is VALID [2018-11-23 11:48:15,902 INFO L273 TraceCheckUtils]: 23: Hoare triple {1792#true} assume true; {1792#true} is VALID [2018-11-23 11:48:15,902 INFO L273 TraceCheckUtils]: 22: Hoare triple {1792#true} assume !(0bv32 == ~cond); {1792#true} is VALID [2018-11-23 11:48:15,902 INFO L273 TraceCheckUtils]: 21: Hoare triple {1792#true} ~cond := #in~cond; {1792#true} is VALID [2018-11-23 11:48:15,902 INFO L256 TraceCheckUtils]: 20: Hoare triple {1793#false} call __VERIFIER_assert(~bvurem32(~z~0, 4bv32)); {1792#true} is VALID [2018-11-23 11:48:15,903 INFO L273 TraceCheckUtils]: 19: Hoare triple {1933#(bvult main_~z~0 (_ bv268435455 32))} assume !~bvult32(~z~0, 268435455bv32); {1793#false} is VALID [2018-11-23 11:48:15,903 INFO L273 TraceCheckUtils]: 18: Hoare triple {1937#(bvult (bvadd main_~z~0 (_ bv1 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1933#(bvult main_~z~0 (_ bv268435455 32))} is VALID [2018-11-23 11:48:15,905 INFO L273 TraceCheckUtils]: 17: Hoare triple {1941#(bvult (bvadd main_~z~0 (_ bv2 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1937#(bvult (bvadd main_~z~0 (_ bv1 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:15,908 INFO L273 TraceCheckUtils]: 16: Hoare triple {1945#(bvult (bvadd main_~z~0 (_ bv3 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1941#(bvult (bvadd main_~z~0 (_ bv2 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:15,911 INFO L273 TraceCheckUtils]: 15: Hoare triple {1949#(bvult (bvadd main_~z~0 (_ bv4 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1945#(bvult (bvadd main_~z~0 (_ bv3 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:15,914 INFO L273 TraceCheckUtils]: 14: Hoare triple {1953#(bvult (bvadd main_~z~0 (_ bv5 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1949#(bvult (bvadd main_~z~0 (_ bv4 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:15,918 INFO L273 TraceCheckUtils]: 13: Hoare triple {1957#(bvult (bvadd main_~z~0 (_ bv6 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1953#(bvult (bvadd main_~z~0 (_ bv5 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:15,920 INFO L273 TraceCheckUtils]: 12: Hoare triple {1961#(bvult (bvadd main_~z~0 (_ bv7 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1957#(bvult (bvadd main_~z~0 (_ bv6 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:15,923 INFO L273 TraceCheckUtils]: 11: Hoare triple {1965#(bvult (bvadd main_~z~0 (_ bv8 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1961#(bvult (bvadd main_~z~0 (_ bv7 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:15,930 INFO L273 TraceCheckUtils]: 10: Hoare triple {1969#(bvult (bvadd main_~z~0 (_ bv9 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1965#(bvult (bvadd main_~z~0 (_ bv8 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:15,934 INFO L273 TraceCheckUtils]: 9: Hoare triple {1973#(bvult (bvadd main_~z~0 (_ bv10 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1969#(bvult (bvadd main_~z~0 (_ bv9 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:15,941 INFO L273 TraceCheckUtils]: 8: Hoare triple {1977#(bvult (bvadd main_~z~0 (_ bv11 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1973#(bvult (bvadd main_~z~0 (_ bv10 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:15,944 INFO L273 TraceCheckUtils]: 7: Hoare triple {1981#(bvult (bvadd main_~z~0 (_ bv12 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {1977#(bvult (bvadd main_~z~0 (_ bv11 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:15,944 INFO L273 TraceCheckUtils]: 6: Hoare triple {1792#true} assume !!~bvult32(~y~0, 268435455bv32);~z~0 := 0bv32; {1981#(bvult (bvadd main_~z~0 (_ bv12 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:15,944 INFO L273 TraceCheckUtils]: 5: Hoare triple {1792#true} assume !!~bvult32(~x~0, 268435455bv32);~y~0 := 0bv32; {1792#true} is VALID [2018-11-23 11:48:15,944 INFO L273 TraceCheckUtils]: 4: Hoare triple {1792#true} ~x~0 := 0bv32;~y~0 := 0bv32;~z~0 := 0bv32;~w~0 := 0bv32; {1792#true} is VALID [2018-11-23 11:48:15,945 INFO L256 TraceCheckUtils]: 3: Hoare triple {1792#true} call #t~ret3 := main(); {1792#true} is VALID [2018-11-23 11:48:15,945 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {1792#true} {1792#true} #59#return; {1792#true} is VALID [2018-11-23 11:48:15,945 INFO L273 TraceCheckUtils]: 1: Hoare triple {1792#true} assume true; {1792#true} is VALID [2018-11-23 11:48:15,946 INFO L256 TraceCheckUtils]: 0: Hoare triple {1792#true} call ULTIMATE.init(); {1792#true} is VALID [2018-11-23 11:48:15,948 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 3 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:48:15,956 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:48:15,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2018-11-23 11:48:15,956 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 31 [2018-11-23 11:48:15,957 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:48:15,957 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 28 states. [2018-11-23 11:48:16,014 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:48:16,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-11-23 11:48:16,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-11-23 11:48:16,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=534, Unknown=0, NotChecked=0, Total=756 [2018-11-23 11:48:16,015 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand 28 states. [2018-11-23 11:48:18,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:18,923 INFO L93 Difference]: Finished difference Result 83 states and 103 transitions. [2018-11-23 11:48:18,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-11-23 11:48:18,923 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 31 [2018-11-23 11:48:18,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:48:18,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-23 11:48:18,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 83 transitions. [2018-11-23 11:48:18,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-23 11:48:18,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 83 transitions. [2018-11-23 11:48:18,928 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 28 states and 83 transitions. [2018-11-23 11:48:19,083 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:48:19,085 INFO L225 Difference]: With dead ends: 83 [2018-11-23 11:48:19,085 INFO L226 Difference]: Without dead ends: 52 [2018-11-23 11:48:19,086 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=558, Invalid=1002, Unknown=0, NotChecked=0, Total=1560 [2018-11-23 11:48:19,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-11-23 11:48:19,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 51. [2018-11-23 11:48:19,252 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:48:19,252 INFO L82 GeneralOperation]: Start isEquivalent. First operand 52 states. Second operand 51 states. [2018-11-23 11:48:19,253 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand 51 states. [2018-11-23 11:48:19,253 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 51 states. [2018-11-23 11:48:19,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:19,255 INFO L93 Difference]: Finished difference Result 52 states and 55 transitions. [2018-11-23 11:48:19,255 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2018-11-23 11:48:19,255 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:48:19,256 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:48:19,256 INFO L74 IsIncluded]: Start isIncluded. First operand 51 states. Second operand 52 states. [2018-11-23 11:48:19,256 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 52 states. [2018-11-23 11:48:19,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:19,258 INFO L93 Difference]: Finished difference Result 52 states and 55 transitions. [2018-11-23 11:48:19,258 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2018-11-23 11:48:19,258 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:48:19,259 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:48:19,259 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:48:19,259 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:48:19,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-11-23 11:48:19,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 54 transitions. [2018-11-23 11:48:19,261 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 54 transitions. Word has length 31 [2018-11-23 11:48:19,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:48:19,261 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 54 transitions. [2018-11-23 11:48:19,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-11-23 11:48:19,261 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 54 transitions. [2018-11-23 11:48:19,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 11:48:19,262 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:48:19,263 INFO L402 BasicCegarLoop]: trace histogram [26, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:48:19,263 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:48:19,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:48:19,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1281434581, now seen corresponding path program 3 times [2018-11-23 11:48:19,264 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:48:19,264 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 10 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 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:48:19,289 INFO L101 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2018-11-23 11:48:19,314 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-11-23 11:48:19,314 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 11:48:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:48:19,328 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:48:19,463 INFO L256 TraceCheckUtils]: 0: Hoare triple {2369#true} call ULTIMATE.init(); {2369#true} is VALID [2018-11-23 11:48:19,463 INFO L273 TraceCheckUtils]: 1: Hoare triple {2369#true} assume true; {2369#true} is VALID [2018-11-23 11:48:19,463 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {2369#true} {2369#true} #59#return; {2369#true} is VALID [2018-11-23 11:48:19,464 INFO L256 TraceCheckUtils]: 3: Hoare triple {2369#true} call #t~ret3 := main(); {2369#true} is VALID [2018-11-23 11:48:19,464 INFO L273 TraceCheckUtils]: 4: Hoare triple {2369#true} ~x~0 := 0bv32;~y~0 := 0bv32;~z~0 := 0bv32;~w~0 := 0bv32; {2369#true} is VALID [2018-11-23 11:48:19,464 INFO L273 TraceCheckUtils]: 5: Hoare triple {2369#true} assume !!~bvult32(~x~0, 268435455bv32);~y~0 := 0bv32; {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,465 INFO L273 TraceCheckUtils]: 6: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} assume !!~bvult32(~y~0, 268435455bv32);~z~0 := 0bv32; {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,465 INFO L273 TraceCheckUtils]: 7: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,465 INFO L273 TraceCheckUtils]: 8: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,466 INFO L273 TraceCheckUtils]: 9: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,466 INFO L273 TraceCheckUtils]: 10: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,467 INFO L273 TraceCheckUtils]: 11: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,467 INFO L273 TraceCheckUtils]: 12: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,468 INFO L273 TraceCheckUtils]: 13: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,468 INFO L273 TraceCheckUtils]: 14: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,469 INFO L273 TraceCheckUtils]: 15: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,470 INFO L273 TraceCheckUtils]: 16: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,470 INFO L273 TraceCheckUtils]: 17: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,471 INFO L273 TraceCheckUtils]: 18: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,471 INFO L273 TraceCheckUtils]: 19: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,472 INFO L273 TraceCheckUtils]: 20: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,474 INFO L273 TraceCheckUtils]: 21: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,474 INFO L273 TraceCheckUtils]: 22: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,475 INFO L273 TraceCheckUtils]: 23: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,475 INFO L273 TraceCheckUtils]: 24: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,475 INFO L273 TraceCheckUtils]: 25: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,476 INFO L273 TraceCheckUtils]: 26: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,476 INFO L273 TraceCheckUtils]: 27: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,476 INFO L273 TraceCheckUtils]: 28: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,477 INFO L273 TraceCheckUtils]: 29: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,477 INFO L273 TraceCheckUtils]: 30: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,478 INFO L273 TraceCheckUtils]: 31: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,478 INFO L273 TraceCheckUtils]: 32: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,479 INFO L273 TraceCheckUtils]: 33: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} assume !~bvult32(~z~0, 268435455bv32); {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,479 INFO L256 TraceCheckUtils]: 34: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} call __VERIFIER_assert(~bvurem32(~z~0, 4bv32)); {2369#true} is VALID [2018-11-23 11:48:19,479 INFO L273 TraceCheckUtils]: 35: Hoare triple {2369#true} ~cond := #in~cond; {2369#true} is VALID [2018-11-23 11:48:19,480 INFO L273 TraceCheckUtils]: 36: Hoare triple {2369#true} assume !(0bv32 == ~cond); {2369#true} is VALID [2018-11-23 11:48:19,480 INFO L273 TraceCheckUtils]: 37: Hoare triple {2369#true} assume true; {2369#true} is VALID [2018-11-23 11:48:19,481 INFO L268 TraceCheckUtils]: 38: Hoare quadruple {2369#true} {2389#(= main_~y~0 (_ bv0 32))} #63#return; {2389#(= main_~y~0 (_ bv0 32))} is VALID [2018-11-23 11:48:19,481 INFO L273 TraceCheckUtils]: 39: Hoare triple {2389#(= main_~y~0 (_ bv0 32))} #t~post1 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post1);havoc #t~post1; {2492#(= (_ bv1 32) main_~y~0)} is VALID [2018-11-23 11:48:19,482 INFO L273 TraceCheckUtils]: 40: Hoare triple {2492#(= (_ bv1 32) main_~y~0)} assume !~bvult32(~y~0, 268435455bv32); {2492#(= (_ bv1 32) main_~y~0)} is VALID [2018-11-23 11:48:19,482 INFO L256 TraceCheckUtils]: 41: Hoare triple {2492#(= (_ bv1 32) main_~y~0)} call __VERIFIER_assert(~bvurem32(~y~0, 2bv32)); {2499#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:19,485 INFO L273 TraceCheckUtils]: 42: Hoare triple {2499#(= (bvadd |__VERIFIER_assert_#in~cond| (_ bv4294967295 32)) (_ bv0 32))} ~cond := #in~cond; {2503#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:19,487 INFO L273 TraceCheckUtils]: 43: Hoare triple {2503#(= (bvadd __VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == ~cond; {2370#false} is VALID [2018-11-23 11:48:19,488 INFO L273 TraceCheckUtils]: 44: Hoare triple {2370#false} assume !false; {2370#false} is VALID [2018-11-23 11:48:19,490 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2018-11-23 11:48:19,490 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:48:19,659 INFO L273 TraceCheckUtils]: 44: Hoare triple {2370#false} assume !false; {2370#false} is VALID [2018-11-23 11:48:19,660 INFO L273 TraceCheckUtils]: 43: Hoare triple {2513#(not (= (_ bv0 32) __VERIFIER_assert_~cond))} assume 0bv32 == ~cond; {2370#false} is VALID [2018-11-23 11:48:19,661 INFO L273 TraceCheckUtils]: 42: Hoare triple {2517#(not (= |__VERIFIER_assert_#in~cond| (_ bv0 32)))} ~cond := #in~cond; {2513#(not (= (_ bv0 32) __VERIFIER_assert_~cond))} is VALID [2018-11-23 11:48:19,662 INFO L256 TraceCheckUtils]: 41: Hoare triple {2521#(not (= (bvurem main_~y~0 (_ bv2 32)) (_ bv0 32)))} call __VERIFIER_assert(~bvurem32(~y~0, 2bv32)); {2517#(not (= |__VERIFIER_assert_#in~cond| (_ bv0 32)))} is VALID [2018-11-23 11:48:19,663 INFO L273 TraceCheckUtils]: 40: Hoare triple {2521#(not (= (bvurem main_~y~0 (_ bv2 32)) (_ bv0 32)))} assume !~bvult32(~y~0, 268435455bv32); {2521#(not (= (bvurem main_~y~0 (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,664 INFO L273 TraceCheckUtils]: 39: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} #t~post1 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post1);havoc #t~post1; {2521#(not (= (bvurem main_~y~0 (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,665 INFO L268 TraceCheckUtils]: 38: Hoare quadruple {2369#true} {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} #63#return; {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,666 INFO L273 TraceCheckUtils]: 37: Hoare triple {2369#true} assume true; {2369#true} is VALID [2018-11-23 11:48:19,666 INFO L273 TraceCheckUtils]: 36: Hoare triple {2369#true} assume !(0bv32 == ~cond); {2369#true} is VALID [2018-11-23 11:48:19,666 INFO L273 TraceCheckUtils]: 35: Hoare triple {2369#true} ~cond := #in~cond; {2369#true} is VALID [2018-11-23 11:48:19,667 INFO L256 TraceCheckUtils]: 34: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} call __VERIFIER_assert(~bvurem32(~z~0, 4bv32)); {2369#true} is VALID [2018-11-23 11:48:19,667 INFO L273 TraceCheckUtils]: 33: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} assume !~bvult32(~z~0, 268435455bv32); {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,668 INFO L273 TraceCheckUtils]: 32: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,668 INFO L273 TraceCheckUtils]: 31: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,669 INFO L273 TraceCheckUtils]: 30: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,669 INFO L273 TraceCheckUtils]: 29: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,670 INFO L273 TraceCheckUtils]: 28: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,670 INFO L273 TraceCheckUtils]: 27: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,671 INFO L273 TraceCheckUtils]: 26: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,671 INFO L273 TraceCheckUtils]: 25: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,672 INFO L273 TraceCheckUtils]: 24: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,672 INFO L273 TraceCheckUtils]: 23: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,673 INFO L273 TraceCheckUtils]: 22: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,674 INFO L273 TraceCheckUtils]: 21: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,674 INFO L273 TraceCheckUtils]: 20: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,675 INFO L273 TraceCheckUtils]: 19: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,675 INFO L273 TraceCheckUtils]: 18: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,676 INFO L273 TraceCheckUtils]: 17: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,677 INFO L273 TraceCheckUtils]: 16: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,677 INFO L273 TraceCheckUtils]: 15: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,678 INFO L273 TraceCheckUtils]: 14: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,678 INFO L273 TraceCheckUtils]: 13: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,679 INFO L273 TraceCheckUtils]: 12: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,679 INFO L273 TraceCheckUtils]: 11: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,680 INFO L273 TraceCheckUtils]: 10: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,681 INFO L273 TraceCheckUtils]: 9: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,681 INFO L273 TraceCheckUtils]: 8: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,682 INFO L273 TraceCheckUtils]: 7: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,682 INFO L273 TraceCheckUtils]: 6: Hoare triple {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} assume !!~bvult32(~y~0, 268435455bv32);~z~0 := 0bv32; {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,683 INFO L273 TraceCheckUtils]: 5: Hoare triple {2369#true} assume !!~bvult32(~x~0, 268435455bv32);~y~0 := 0bv32; {2528#(not (= (bvurem (bvadd main_~y~0 (_ bv1 32)) (_ bv2 32)) (_ bv0 32)))} is VALID [2018-11-23 11:48:19,683 INFO L273 TraceCheckUtils]: 4: Hoare triple {2369#true} ~x~0 := 0bv32;~y~0 := 0bv32;~z~0 := 0bv32;~w~0 := 0bv32; {2369#true} is VALID [2018-11-23 11:48:19,684 INFO L256 TraceCheckUtils]: 3: Hoare triple {2369#true} call #t~ret3 := main(); {2369#true} is VALID [2018-11-23 11:48:19,684 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {2369#true} {2369#true} #59#return; {2369#true} is VALID [2018-11-23 11:48:19,684 INFO L273 TraceCheckUtils]: 1: Hoare triple {2369#true} assume true; {2369#true} is VALID [2018-11-23 11:48:19,684 INFO L256 TraceCheckUtils]: 0: Hoare triple {2369#true} call ULTIMATE.init(); {2369#true} is VALID [2018-11-23 11:48:19,689 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2018-11-23 11:48:19,690 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:48:19,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2018-11-23 11:48:19,691 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 45 [2018-11-23 11:48:19,691 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:48:19,692 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states. [2018-11-23 11:48:19,728 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:48:19,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 11:48:19,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 11:48:19,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-11-23 11:48:19,729 INFO L87 Difference]: Start difference. First operand 51 states and 54 transitions. Second operand 10 states. [2018-11-23 11:48:21,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:21,396 INFO L93 Difference]: Finished difference Result 193 states and 209 transitions. [2018-11-23 11:48:21,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 11:48:21,396 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 45 [2018-11-23 11:48:21,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:48:21,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-11-23 11:48:21,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 72 transitions. [2018-11-23 11:48:21,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-11-23 11:48:21,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 72 transitions. [2018-11-23 11:48:21,402 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 72 transitions. [2018-11-23 11:48:21,513 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:48:21,518 INFO L225 Difference]: With dead ends: 193 [2018-11-23 11:48:21,518 INFO L226 Difference]: Without dead ends: 148 [2018-11-23 11:48:21,519 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 11:48:21,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-11-23 11:48:22,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 116. [2018-11-23 11:48:22,280 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:48:22,280 INFO L82 GeneralOperation]: Start isEquivalent. First operand 148 states. Second operand 116 states. [2018-11-23 11:48:22,280 INFO L74 IsIncluded]: Start isIncluded. First operand 148 states. Second operand 116 states. [2018-11-23 11:48:22,281 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 116 states. [2018-11-23 11:48:22,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:22,287 INFO L93 Difference]: Finished difference Result 148 states and 159 transitions. [2018-11-23 11:48:22,287 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 159 transitions. [2018-11-23 11:48:22,288 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:48:22,288 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:48:22,288 INFO L74 IsIncluded]: Start isIncluded. First operand 116 states. Second operand 148 states. [2018-11-23 11:48:22,288 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 148 states. [2018-11-23 11:48:22,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:22,295 INFO L93 Difference]: Finished difference Result 148 states and 159 transitions. [2018-11-23 11:48:22,295 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 159 transitions. [2018-11-23 11:48:22,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:48:22,296 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:48:22,296 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:48:22,296 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:48:22,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-11-23 11:48:22,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 124 transitions. [2018-11-23 11:48:22,301 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 124 transitions. Word has length 45 [2018-11-23 11:48:22,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:48:22,301 INFO L480 AbstractCegarLoop]: Abstraction has 116 states and 124 transitions. [2018-11-23 11:48:22,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 11:48:22,301 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 124 transitions. [2018-11-23 11:48:22,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-23 11:48:22,306 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:48:22,307 INFO L402 BasicCegarLoop]: trace histogram [52, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:48:22,307 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:48:22,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:48:22,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1164988214, now seen corresponding path program 4 times [2018-11-23 11:48:22,308 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:48:22,308 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 11 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 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:48:22,326 INFO L101 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-23 11:48:22,467 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-23 11:48:22,467 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 11:48:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:48:22,543 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:48:23,445 INFO L256 TraceCheckUtils]: 0: Hoare triple {3520#true} call ULTIMATE.init(); {3520#true} is VALID [2018-11-23 11:48:23,446 INFO L273 TraceCheckUtils]: 1: Hoare triple {3520#true} assume true; {3520#true} is VALID [2018-11-23 11:48:23,446 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {3520#true} {3520#true} #59#return; {3520#true} is VALID [2018-11-23 11:48:23,446 INFO L256 TraceCheckUtils]: 3: Hoare triple {3520#true} call #t~ret3 := main(); {3520#true} is VALID [2018-11-23 11:48:23,447 INFO L273 TraceCheckUtils]: 4: Hoare triple {3520#true} ~x~0 := 0bv32;~y~0 := 0bv32;~z~0 := 0bv32;~w~0 := 0bv32; {3520#true} is VALID [2018-11-23 11:48:23,447 INFO L273 TraceCheckUtils]: 5: Hoare triple {3520#true} assume !!~bvult32(~x~0, 268435455bv32);~y~0 := 0bv32; {3520#true} is VALID [2018-11-23 11:48:23,448 INFO L273 TraceCheckUtils]: 6: Hoare triple {3520#true} assume !!~bvult32(~y~0, 268435455bv32);~z~0 := 0bv32; {3543#(= main_~z~0 (_ bv0 32))} is VALID [2018-11-23 11:48:23,449 INFO L273 TraceCheckUtils]: 7: Hoare triple {3543#(= main_~z~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3547#(= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:23,450 INFO L273 TraceCheckUtils]: 8: Hoare triple {3547#(= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3551#(= (bvadd main_~z~0 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:23,451 INFO L273 TraceCheckUtils]: 9: Hoare triple {3551#(= (bvadd main_~z~0 (_ bv4294967294 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3555#(= (bvadd main_~z~0 (_ bv4294967293 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:23,452 INFO L273 TraceCheckUtils]: 10: Hoare triple {3555#(= (bvadd main_~z~0 (_ bv4294967293 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3559#(= (bvadd main_~z~0 (_ bv4294967292 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:23,459 INFO L273 TraceCheckUtils]: 11: Hoare triple {3559#(= (bvadd main_~z~0 (_ bv4294967292 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3563#(= (bvadd main_~z~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:23,460 INFO L273 TraceCheckUtils]: 12: Hoare triple {3563#(= (bvadd main_~z~0 (_ bv4294967291 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3567#(= (_ bv6 32) main_~z~0)} is VALID [2018-11-23 11:48:23,460 INFO L273 TraceCheckUtils]: 13: Hoare triple {3567#(= (_ bv6 32) main_~z~0)} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3571#(= (bvadd main_~z~0 (_ bv4294967289 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:23,461 INFO L273 TraceCheckUtils]: 14: Hoare triple {3571#(= (bvadd main_~z~0 (_ bv4294967289 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3575#(= (_ bv8 32) main_~z~0)} is VALID [2018-11-23 11:48:23,461 INFO L273 TraceCheckUtils]: 15: Hoare triple {3575#(= (_ bv8 32) main_~z~0)} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3579#(= (bvadd main_~z~0 (_ bv4294967287 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:23,462 INFO L273 TraceCheckUtils]: 16: Hoare triple {3579#(= (bvadd main_~z~0 (_ bv4294967287 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3583#(= (_ bv10 32) main_~z~0)} is VALID [2018-11-23 11:48:23,463 INFO L273 TraceCheckUtils]: 17: Hoare triple {3583#(= (_ bv10 32) main_~z~0)} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3587#(= (bvadd main_~z~0 (_ bv4294967285 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:23,463 INFO L273 TraceCheckUtils]: 18: Hoare triple {3587#(= (bvadd main_~z~0 (_ bv4294967285 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3591#(= (bvadd main_~z~0 (_ bv4294967284 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:23,464 INFO L273 TraceCheckUtils]: 19: Hoare triple {3591#(= (bvadd main_~z~0 (_ bv4294967284 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3595#(= (_ bv13 32) main_~z~0)} is VALID [2018-11-23 11:48:23,465 INFO L273 TraceCheckUtils]: 20: Hoare triple {3595#(= (_ bv13 32) main_~z~0)} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3599#(= (bvadd main_~z~0 (_ bv4294967282 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:23,466 INFO L273 TraceCheckUtils]: 21: Hoare triple {3599#(= (bvadd main_~z~0 (_ bv4294967282 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3603#(= (bvadd main_~z~0 (_ bv4294967281 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:23,466 INFO L273 TraceCheckUtils]: 22: Hoare triple {3603#(= (bvadd main_~z~0 (_ bv4294967281 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3607#(= (_ bv16 32) main_~z~0)} is VALID [2018-11-23 11:48:23,467 INFO L273 TraceCheckUtils]: 23: Hoare triple {3607#(= (_ bv16 32) main_~z~0)} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3611#(= (bvadd main_~z~0 (_ bv4294967279 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:23,468 INFO L273 TraceCheckUtils]: 24: Hoare triple {3611#(= (bvadd main_~z~0 (_ bv4294967279 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3615#(= (bvadd main_~z~0 (_ bv4294967278 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:23,469 INFO L273 TraceCheckUtils]: 25: Hoare triple {3615#(= (bvadd main_~z~0 (_ bv4294967278 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3619#(= (bvadd main_~z~0 (_ bv4294967277 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:23,472 INFO L273 TraceCheckUtils]: 26: Hoare triple {3619#(= (bvadd main_~z~0 (_ bv4294967277 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3623#(= (_ bv20 32) main_~z~0)} is VALID [2018-11-23 11:48:23,473 INFO L273 TraceCheckUtils]: 27: Hoare triple {3623#(= (_ bv20 32) main_~z~0)} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3627#(= (bvadd main_~z~0 (_ bv4294967275 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:23,473 INFO L273 TraceCheckUtils]: 28: Hoare triple {3627#(= (bvadd main_~z~0 (_ bv4294967275 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3631#(= (bvadd main_~z~0 (_ bv4294967274 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:23,474 INFO L273 TraceCheckUtils]: 29: Hoare triple {3631#(= (bvadd main_~z~0 (_ bv4294967274 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3635#(= (bvadd main_~z~0 (_ bv4294967273 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:23,474 INFO L273 TraceCheckUtils]: 30: Hoare triple {3635#(= (bvadd main_~z~0 (_ bv4294967273 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3639#(= (bvadd main_~z~0 (_ bv4294967272 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:23,475 INFO L273 TraceCheckUtils]: 31: Hoare triple {3639#(= (bvadd main_~z~0 (_ bv4294967272 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3643#(= (_ bv25 32) main_~z~0)} is VALID [2018-11-23 11:48:23,476 INFO L273 TraceCheckUtils]: 32: Hoare triple {3643#(= (_ bv25 32) main_~z~0)} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3647#(= (bvadd main_~z~0 (_ bv4294967270 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:23,476 INFO L273 TraceCheckUtils]: 33: Hoare triple {3647#(= (bvadd main_~z~0 (_ bv4294967270 32)) (_ bv0 32))} assume !~bvult32(~z~0, 268435455bv32); {3521#false} is VALID [2018-11-23 11:48:23,477 INFO L256 TraceCheckUtils]: 34: Hoare triple {3521#false} call __VERIFIER_assert(~bvurem32(~z~0, 4bv32)); {3521#false} is VALID [2018-11-23 11:48:23,477 INFO L273 TraceCheckUtils]: 35: Hoare triple {3521#false} ~cond := #in~cond; {3521#false} is VALID [2018-11-23 11:48:23,477 INFO L273 TraceCheckUtils]: 36: Hoare triple {3521#false} assume !(0bv32 == ~cond); {3521#false} is VALID [2018-11-23 11:48:23,478 INFO L273 TraceCheckUtils]: 37: Hoare triple {3521#false} assume true; {3521#false} is VALID [2018-11-23 11:48:23,478 INFO L268 TraceCheckUtils]: 38: Hoare quadruple {3521#false} {3521#false} #63#return; {3521#false} is VALID [2018-11-23 11:48:23,478 INFO L273 TraceCheckUtils]: 39: Hoare triple {3521#false} #t~post1 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post1);havoc #t~post1; {3521#false} is VALID [2018-11-23 11:48:23,479 INFO L273 TraceCheckUtils]: 40: Hoare triple {3521#false} assume !!~bvult32(~y~0, 268435455bv32);~z~0 := 0bv32; {3521#false} is VALID [2018-11-23 11:48:23,479 INFO L273 TraceCheckUtils]: 41: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:23,479 INFO L273 TraceCheckUtils]: 42: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:23,480 INFO L273 TraceCheckUtils]: 43: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:23,480 INFO L273 TraceCheckUtils]: 44: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:23,480 INFO L273 TraceCheckUtils]: 45: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:23,481 INFO L273 TraceCheckUtils]: 46: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:23,481 INFO L273 TraceCheckUtils]: 47: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:23,481 INFO L273 TraceCheckUtils]: 48: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:23,481 INFO L273 TraceCheckUtils]: 49: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:23,482 INFO L273 TraceCheckUtils]: 50: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:23,482 INFO L273 TraceCheckUtils]: 51: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:23,482 INFO L273 TraceCheckUtils]: 52: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:23,482 INFO L273 TraceCheckUtils]: 53: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:23,482 INFO L273 TraceCheckUtils]: 54: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:23,483 INFO L273 TraceCheckUtils]: 55: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:23,483 INFO L273 TraceCheckUtils]: 56: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:23,483 INFO L273 TraceCheckUtils]: 57: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:23,483 INFO L273 TraceCheckUtils]: 58: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:23,483 INFO L273 TraceCheckUtils]: 59: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:23,484 INFO L273 TraceCheckUtils]: 60: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:23,484 INFO L273 TraceCheckUtils]: 61: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:23,484 INFO L273 TraceCheckUtils]: 62: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:23,484 INFO L273 TraceCheckUtils]: 63: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:23,484 INFO L273 TraceCheckUtils]: 64: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:23,485 INFO L273 TraceCheckUtils]: 65: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:23,485 INFO L273 TraceCheckUtils]: 66: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:23,485 INFO L273 TraceCheckUtils]: 67: Hoare triple {3521#false} assume !~bvult32(~z~0, 268435455bv32); {3521#false} is VALID [2018-11-23 11:48:23,485 INFO L256 TraceCheckUtils]: 68: Hoare triple {3521#false} call __VERIFIER_assert(~bvurem32(~z~0, 4bv32)); {3521#false} is VALID [2018-11-23 11:48:23,485 INFO L273 TraceCheckUtils]: 69: Hoare triple {3521#false} ~cond := #in~cond; {3521#false} is VALID [2018-11-23 11:48:23,486 INFO L273 TraceCheckUtils]: 70: Hoare triple {3521#false} assume !(0bv32 == ~cond); {3521#false} is VALID [2018-11-23 11:48:23,486 INFO L273 TraceCheckUtils]: 71: Hoare triple {3521#false} assume true; {3521#false} is VALID [2018-11-23 11:48:23,486 INFO L268 TraceCheckUtils]: 72: Hoare quadruple {3521#false} {3521#false} #63#return; {3521#false} is VALID [2018-11-23 11:48:23,486 INFO L273 TraceCheckUtils]: 73: Hoare triple {3521#false} #t~post1 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post1);havoc #t~post1; {3521#false} is VALID [2018-11-23 11:48:23,486 INFO L273 TraceCheckUtils]: 74: Hoare triple {3521#false} assume !~bvult32(~y~0, 268435455bv32); {3521#false} is VALID [2018-11-23 11:48:23,487 INFO L256 TraceCheckUtils]: 75: Hoare triple {3521#false} call __VERIFIER_assert(~bvurem32(~y~0, 2bv32)); {3521#false} is VALID [2018-11-23 11:48:23,487 INFO L273 TraceCheckUtils]: 76: Hoare triple {3521#false} ~cond := #in~cond; {3521#false} is VALID [2018-11-23 11:48:23,487 INFO L273 TraceCheckUtils]: 77: Hoare triple {3521#false} assume 0bv32 == ~cond; {3521#false} is VALID [2018-11-23 11:48:23,487 INFO L273 TraceCheckUtils]: 78: Hoare triple {3521#false} assume !false; {3521#false} is VALID [2018-11-23 11:48:23,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1444 backedges. 731 proven. 351 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2018-11-23 11:48:23,494 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:48:25,969 INFO L273 TraceCheckUtils]: 78: Hoare triple {3521#false} assume !false; {3521#false} is VALID [2018-11-23 11:48:25,970 INFO L273 TraceCheckUtils]: 77: Hoare triple {3521#false} assume 0bv32 == ~cond; {3521#false} is VALID [2018-11-23 11:48:25,970 INFO L273 TraceCheckUtils]: 76: Hoare triple {3521#false} ~cond := #in~cond; {3521#false} is VALID [2018-11-23 11:48:25,971 INFO L256 TraceCheckUtils]: 75: Hoare triple {3521#false} call __VERIFIER_assert(~bvurem32(~y~0, 2bv32)); {3521#false} is VALID [2018-11-23 11:48:25,971 INFO L273 TraceCheckUtils]: 74: Hoare triple {3521#false} assume !~bvult32(~y~0, 268435455bv32); {3521#false} is VALID [2018-11-23 11:48:25,972 INFO L273 TraceCheckUtils]: 73: Hoare triple {3521#false} #t~post1 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post1);havoc #t~post1; {3521#false} is VALID [2018-11-23 11:48:25,972 INFO L268 TraceCheckUtils]: 72: Hoare quadruple {3520#true} {3521#false} #63#return; {3521#false} is VALID [2018-11-23 11:48:25,972 INFO L273 TraceCheckUtils]: 71: Hoare triple {3520#true} assume true; {3520#true} is VALID [2018-11-23 11:48:25,972 INFO L273 TraceCheckUtils]: 70: Hoare triple {3520#true} assume !(0bv32 == ~cond); {3520#true} is VALID [2018-11-23 11:48:25,972 INFO L273 TraceCheckUtils]: 69: Hoare triple {3520#true} ~cond := #in~cond; {3520#true} is VALID [2018-11-23 11:48:25,973 INFO L256 TraceCheckUtils]: 68: Hoare triple {3521#false} call __VERIFIER_assert(~bvurem32(~z~0, 4bv32)); {3520#true} is VALID [2018-11-23 11:48:25,973 INFO L273 TraceCheckUtils]: 67: Hoare triple {3521#false} assume !~bvult32(~z~0, 268435455bv32); {3521#false} is VALID [2018-11-23 11:48:25,973 INFO L273 TraceCheckUtils]: 66: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:25,973 INFO L273 TraceCheckUtils]: 65: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:25,973 INFO L273 TraceCheckUtils]: 64: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:25,974 INFO L273 TraceCheckUtils]: 63: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:25,974 INFO L273 TraceCheckUtils]: 62: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:25,974 INFO L273 TraceCheckUtils]: 61: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:25,974 INFO L273 TraceCheckUtils]: 60: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:25,974 INFO L273 TraceCheckUtils]: 59: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:25,975 INFO L273 TraceCheckUtils]: 58: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:25,975 INFO L273 TraceCheckUtils]: 57: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:25,975 INFO L273 TraceCheckUtils]: 56: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:25,975 INFO L273 TraceCheckUtils]: 55: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:25,975 INFO L273 TraceCheckUtils]: 54: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:25,975 INFO L273 TraceCheckUtils]: 53: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:25,975 INFO L273 TraceCheckUtils]: 52: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:25,975 INFO L273 TraceCheckUtils]: 51: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:25,976 INFO L273 TraceCheckUtils]: 50: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:25,976 INFO L273 TraceCheckUtils]: 49: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:25,976 INFO L273 TraceCheckUtils]: 48: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:25,976 INFO L273 TraceCheckUtils]: 47: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:25,976 INFO L273 TraceCheckUtils]: 46: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:25,976 INFO L273 TraceCheckUtils]: 45: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:25,976 INFO L273 TraceCheckUtils]: 44: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:25,977 INFO L273 TraceCheckUtils]: 43: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:25,977 INFO L273 TraceCheckUtils]: 42: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:25,977 INFO L273 TraceCheckUtils]: 41: Hoare triple {3521#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3521#false} is VALID [2018-11-23 11:48:25,977 INFO L273 TraceCheckUtils]: 40: Hoare triple {3521#false} assume !!~bvult32(~y~0, 268435455bv32);~z~0 := 0bv32; {3521#false} is VALID [2018-11-23 11:48:25,977 INFO L273 TraceCheckUtils]: 39: Hoare triple {3521#false} #t~post1 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post1);havoc #t~post1; {3521#false} is VALID [2018-11-23 11:48:25,977 INFO L268 TraceCheckUtils]: 38: Hoare quadruple {3520#true} {3521#false} #63#return; {3521#false} is VALID [2018-11-23 11:48:25,977 INFO L273 TraceCheckUtils]: 37: Hoare triple {3520#true} assume true; {3520#true} is VALID [2018-11-23 11:48:25,977 INFO L273 TraceCheckUtils]: 36: Hoare triple {3520#true} assume !(0bv32 == ~cond); {3520#true} is VALID [2018-11-23 11:48:25,978 INFO L273 TraceCheckUtils]: 35: Hoare triple {3520#true} ~cond := #in~cond; {3520#true} is VALID [2018-11-23 11:48:25,978 INFO L256 TraceCheckUtils]: 34: Hoare triple {3521#false} call __VERIFIER_assert(~bvurem32(~z~0, 4bv32)); {3520#true} is VALID [2018-11-23 11:48:25,978 INFO L273 TraceCheckUtils]: 33: Hoare triple {3921#(bvult main_~z~0 (_ bv268435455 32))} assume !~bvult32(~z~0, 268435455bv32); {3521#false} is VALID [2018-11-23 11:48:25,979 INFO L273 TraceCheckUtils]: 32: Hoare triple {3925#(bvult (bvadd main_~z~0 (_ bv1 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3921#(bvult main_~z~0 (_ bv268435455 32))} is VALID [2018-11-23 11:48:25,981 INFO L273 TraceCheckUtils]: 31: Hoare triple {3929#(bvult (bvadd main_~z~0 (_ bv2 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3925#(bvult (bvadd main_~z~0 (_ bv1 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:25,983 INFO L273 TraceCheckUtils]: 30: Hoare triple {3933#(bvult (bvadd main_~z~0 (_ bv3 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3929#(bvult (bvadd main_~z~0 (_ bv2 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:25,985 INFO L273 TraceCheckUtils]: 29: Hoare triple {3937#(bvult (bvadd main_~z~0 (_ bv4 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3933#(bvult (bvadd main_~z~0 (_ bv3 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:25,987 INFO L273 TraceCheckUtils]: 28: Hoare triple {3941#(bvult (bvadd main_~z~0 (_ bv5 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3937#(bvult (bvadd main_~z~0 (_ bv4 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:25,995 INFO L273 TraceCheckUtils]: 27: Hoare triple {3945#(bvult (bvadd main_~z~0 (_ bv6 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3941#(bvult (bvadd main_~z~0 (_ bv5 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:25,997 INFO L273 TraceCheckUtils]: 26: Hoare triple {3949#(bvult (bvadd main_~z~0 (_ bv7 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3945#(bvult (bvadd main_~z~0 (_ bv6 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:26,000 INFO L273 TraceCheckUtils]: 25: Hoare triple {3953#(bvult (bvadd main_~z~0 (_ bv8 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3949#(bvult (bvadd main_~z~0 (_ bv7 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:26,003 INFO L273 TraceCheckUtils]: 24: Hoare triple {3957#(bvult (bvadd main_~z~0 (_ bv9 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3953#(bvult (bvadd main_~z~0 (_ bv8 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:26,006 INFO L273 TraceCheckUtils]: 23: Hoare triple {3961#(bvult (bvadd main_~z~0 (_ bv10 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3957#(bvult (bvadd main_~z~0 (_ bv9 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:26,008 INFO L273 TraceCheckUtils]: 22: Hoare triple {3965#(bvult (bvadd main_~z~0 (_ bv11 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3961#(bvult (bvadd main_~z~0 (_ bv10 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:26,011 INFO L273 TraceCheckUtils]: 21: Hoare triple {3969#(bvult (bvadd main_~z~0 (_ bv12 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3965#(bvult (bvadd main_~z~0 (_ bv11 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:26,013 INFO L273 TraceCheckUtils]: 20: Hoare triple {3973#(bvult (bvadd main_~z~0 (_ bv13 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3969#(bvult (bvadd main_~z~0 (_ bv12 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:26,017 INFO L273 TraceCheckUtils]: 19: Hoare triple {3977#(bvult (bvadd main_~z~0 (_ bv14 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3973#(bvult (bvadd main_~z~0 (_ bv13 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:26,020 INFO L273 TraceCheckUtils]: 18: Hoare triple {3981#(bvult (bvadd main_~z~0 (_ bv15 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3977#(bvult (bvadd main_~z~0 (_ bv14 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:26,023 INFO L273 TraceCheckUtils]: 17: Hoare triple {3985#(bvult (bvadd main_~z~0 (_ bv16 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3981#(bvult (bvadd main_~z~0 (_ bv15 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:26,027 INFO L273 TraceCheckUtils]: 16: Hoare triple {3989#(bvult (bvadd main_~z~0 (_ bv17 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3985#(bvult (bvadd main_~z~0 (_ bv16 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:26,031 INFO L273 TraceCheckUtils]: 15: Hoare triple {3993#(bvult (bvadd main_~z~0 (_ bv18 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3989#(bvult (bvadd main_~z~0 (_ bv17 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:26,033 INFO L273 TraceCheckUtils]: 14: Hoare triple {3997#(bvult (bvadd main_~z~0 (_ bv19 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3993#(bvult (bvadd main_~z~0 (_ bv18 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:26,036 INFO L273 TraceCheckUtils]: 13: Hoare triple {4001#(bvult (bvadd main_~z~0 (_ bv20 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {3997#(bvult (bvadd main_~z~0 (_ bv19 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:26,039 INFO L273 TraceCheckUtils]: 12: Hoare triple {4005#(bvult (bvadd main_~z~0 (_ bv21 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4001#(bvult (bvadd main_~z~0 (_ bv20 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:26,041 INFO L273 TraceCheckUtils]: 11: Hoare triple {4009#(bvult (bvadd main_~z~0 (_ bv22 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4005#(bvult (bvadd main_~z~0 (_ bv21 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:26,044 INFO L273 TraceCheckUtils]: 10: Hoare triple {4013#(bvult (bvadd main_~z~0 (_ bv23 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4009#(bvult (bvadd main_~z~0 (_ bv22 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:26,047 INFO L273 TraceCheckUtils]: 9: Hoare triple {4017#(bvult (bvadd main_~z~0 (_ bv24 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4013#(bvult (bvadd main_~z~0 (_ bv23 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:26,049 INFO L273 TraceCheckUtils]: 8: Hoare triple {4021#(bvult (bvadd main_~z~0 (_ bv25 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4017#(bvult (bvadd main_~z~0 (_ bv24 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:26,052 INFO L273 TraceCheckUtils]: 7: Hoare triple {4025#(bvult (bvadd main_~z~0 (_ bv26 32)) (_ bv268435455 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {4021#(bvult (bvadd main_~z~0 (_ bv25 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:26,053 INFO L273 TraceCheckUtils]: 6: Hoare triple {3520#true} assume !!~bvult32(~y~0, 268435455bv32);~z~0 := 0bv32; {4025#(bvult (bvadd main_~z~0 (_ bv26 32)) (_ bv268435455 32))} is VALID [2018-11-23 11:48:26,053 INFO L273 TraceCheckUtils]: 5: Hoare triple {3520#true} assume !!~bvult32(~x~0, 268435455bv32);~y~0 := 0bv32; {3520#true} is VALID [2018-11-23 11:48:26,053 INFO L273 TraceCheckUtils]: 4: Hoare triple {3520#true} ~x~0 := 0bv32;~y~0 := 0bv32;~z~0 := 0bv32;~w~0 := 0bv32; {3520#true} is VALID [2018-11-23 11:48:26,054 INFO L256 TraceCheckUtils]: 3: Hoare triple {3520#true} call #t~ret3 := main(); {3520#true} is VALID [2018-11-23 11:48:26,054 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {3520#true} {3520#true} #59#return; {3520#true} is VALID [2018-11-23 11:48:26,054 INFO L273 TraceCheckUtils]: 1: Hoare triple {3520#true} assume true; {3520#true} is VALID [2018-11-23 11:48:26,054 INFO L256 TraceCheckUtils]: 0: Hoare triple {3520#true} call ULTIMATE.init(); {3520#true} is VALID [2018-11-23 11:48:26,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1444 backedges. 735 proven. 351 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-11-23 11:48:26,061 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:48:26,061 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 56 [2018-11-23 11:48:26,063 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 79 [2018-11-23 11:48:26,065 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:48:26,065 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 56 states. [2018-11-23 11:48:26,178 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:48:26,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 56 states [2018-11-23 11:48:26,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2018-11-23 11:48:26,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=838, Invalid=2242, Unknown=0, NotChecked=0, Total=3080 [2018-11-23 11:48:26,180 INFO L87 Difference]: Start difference. First operand 116 states and 124 transitions. Second operand 56 states. [2018-11-23 11:48:29,608 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 7 [2018-11-23 11:48:30,216 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 7 [2018-11-23 11:48:30,821 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 7 [2018-11-23 11:48:31,471 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 7 [2018-11-23 11:48:32,115 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 7 [2018-11-23 11:48:32,755 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 7 [2018-11-23 11:48:34,048 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 7 [2018-11-23 11:48:36,411 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 7 [2018-11-23 11:48:37,023 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 7 [2018-11-23 11:48:43,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:43,817 INFO L93 Difference]: Finished difference Result 311 states and 411 transitions. [2018-11-23 11:48:43,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-11-23 11:48:43,817 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 79 [2018-11-23 11:48:43,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:48:43,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-11-23 11:48:43,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 125 transitions. [2018-11-23 11:48:43,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-11-23 11:48:43,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 125 transitions. [2018-11-23 11:48:43,822 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 56 states and 125 transitions. [2018-11-23 11:48:44,052 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 125 edges. 125 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:48:44,056 INFO L225 Difference]: With dead ends: 311 [2018-11-23 11:48:44,056 INFO L226 Difference]: Without dead ends: 201 [2018-11-23 11:48:44,059 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=2294, Invalid=4348, Unknown=0, NotChecked=0, Total=6642 [2018-11-23 11:48:44,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-11-23 11:48:45,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 200. [2018-11-23 11:48:45,300 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 11:48:45,300 INFO L82 GeneralOperation]: Start isEquivalent. First operand 201 states. Second operand 200 states. [2018-11-23 11:48:45,301 INFO L74 IsIncluded]: Start isIncluded. First operand 201 states. Second operand 200 states. [2018-11-23 11:48:45,301 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 200 states. [2018-11-23 11:48:45,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:45,307 INFO L93 Difference]: Finished difference Result 201 states and 209 transitions. [2018-11-23 11:48:45,307 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 209 transitions. [2018-11-23 11:48:45,308 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:48:45,308 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:48:45,308 INFO L74 IsIncluded]: Start isIncluded. First operand 200 states. Second operand 201 states. [2018-11-23 11:48:45,308 INFO L87 Difference]: Start difference. First operand 200 states. Second operand 201 states. [2018-11-23 11:48:45,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:48:45,314 INFO L93 Difference]: Finished difference Result 201 states and 209 transitions. [2018-11-23 11:48:45,314 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 209 transitions. [2018-11-23 11:48:45,315 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:48:45,315 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 11:48:45,315 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 11:48:45,315 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 11:48:45,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2018-11-23 11:48:45,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 208 transitions. [2018-11-23 11:48:45,320 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 208 transitions. Word has length 79 [2018-11-23 11:48:45,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:48:45,321 INFO L480 AbstractCegarLoop]: Abstraction has 200 states and 208 transitions. [2018-11-23 11:48:45,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has 56 states. [2018-11-23 11:48:45,321 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 208 transitions. [2018-11-23 11:48:45,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-23 11:48:45,323 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:48:45,323 INFO L402 BasicCegarLoop]: trace histogram [108, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:48:45,323 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:48:45,323 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:48:45,324 INFO L82 PathProgramCache]: Analyzing trace with hash -826950346, now seen corresponding path program 5 times [2018-11-23 11:48:45,324 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 11:48:45,324 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 12 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 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 11:48:45,350 INFO L101 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2018-11-23 11:48:56,677 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 56 check-sat command(s) [2018-11-23 11:48:56,677 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 11:48:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:48:56,860 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:48:59,290 INFO L256 TraceCheckUtils]: 0: Hoare triple {5478#true} call ULTIMATE.init(); {5478#true} is VALID [2018-11-23 11:48:59,290 INFO L273 TraceCheckUtils]: 1: Hoare triple {5478#true} assume true; {5478#true} is VALID [2018-11-23 11:48:59,291 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {5478#true} {5478#true} #59#return; {5478#true} is VALID [2018-11-23 11:48:59,291 INFO L256 TraceCheckUtils]: 3: Hoare triple {5478#true} call #t~ret3 := main(); {5478#true} is VALID [2018-11-23 11:48:59,291 INFO L273 TraceCheckUtils]: 4: Hoare triple {5478#true} ~x~0 := 0bv32;~y~0 := 0bv32;~z~0 := 0bv32;~w~0 := 0bv32; {5478#true} is VALID [2018-11-23 11:48:59,291 INFO L273 TraceCheckUtils]: 5: Hoare triple {5478#true} assume !!~bvult32(~x~0, 268435455bv32);~y~0 := 0bv32; {5478#true} is VALID [2018-11-23 11:48:59,292 INFO L273 TraceCheckUtils]: 6: Hoare triple {5478#true} assume !!~bvult32(~y~0, 268435455bv32);~z~0 := 0bv32; {5501#(= main_~z~0 (_ bv0 32))} is VALID [2018-11-23 11:48:59,292 INFO L273 TraceCheckUtils]: 7: Hoare triple {5501#(= main_~z~0 (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5505#(= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,293 INFO L273 TraceCheckUtils]: 8: Hoare triple {5505#(= (bvadd main_~z~0 (_ bv4294967295 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5509#(= (bvadd main_~z~0 (_ bv4294967294 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,293 INFO L273 TraceCheckUtils]: 9: Hoare triple {5509#(= (bvadd main_~z~0 (_ bv4294967294 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5513#(= (bvadd main_~z~0 (_ bv4294967293 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,294 INFO L273 TraceCheckUtils]: 10: Hoare triple {5513#(= (bvadd main_~z~0 (_ bv4294967293 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5517#(= (bvadd main_~z~0 (_ bv4294967292 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,294 INFO L273 TraceCheckUtils]: 11: Hoare triple {5517#(= (bvadd main_~z~0 (_ bv4294967292 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5521#(= (bvadd main_~z~0 (_ bv4294967291 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,295 INFO L273 TraceCheckUtils]: 12: Hoare triple {5521#(= (bvadd main_~z~0 (_ bv4294967291 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5525#(= (_ bv6 32) main_~z~0)} is VALID [2018-11-23 11:48:59,295 INFO L273 TraceCheckUtils]: 13: Hoare triple {5525#(= (_ bv6 32) main_~z~0)} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5529#(= (bvadd main_~z~0 (_ bv4294967289 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,296 INFO L273 TraceCheckUtils]: 14: Hoare triple {5529#(= (bvadd main_~z~0 (_ bv4294967289 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5533#(= (_ bv8 32) main_~z~0)} is VALID [2018-11-23 11:48:59,297 INFO L273 TraceCheckUtils]: 15: Hoare triple {5533#(= (_ bv8 32) main_~z~0)} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5537#(= (bvadd main_~z~0 (_ bv4294967287 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,298 INFO L273 TraceCheckUtils]: 16: Hoare triple {5537#(= (bvadd main_~z~0 (_ bv4294967287 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5541#(= (_ bv10 32) main_~z~0)} is VALID [2018-11-23 11:48:59,299 INFO L273 TraceCheckUtils]: 17: Hoare triple {5541#(= (_ bv10 32) main_~z~0)} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5545#(= (bvadd main_~z~0 (_ bv4294967285 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,300 INFO L273 TraceCheckUtils]: 18: Hoare triple {5545#(= (bvadd main_~z~0 (_ bv4294967285 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5549#(= (bvadd main_~z~0 (_ bv4294967284 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,301 INFO L273 TraceCheckUtils]: 19: Hoare triple {5549#(= (bvadd main_~z~0 (_ bv4294967284 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5553#(= (_ bv13 32) main_~z~0)} is VALID [2018-11-23 11:48:59,301 INFO L273 TraceCheckUtils]: 20: Hoare triple {5553#(= (_ bv13 32) main_~z~0)} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5557#(= (bvadd main_~z~0 (_ bv4294967282 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,302 INFO L273 TraceCheckUtils]: 21: Hoare triple {5557#(= (bvadd main_~z~0 (_ bv4294967282 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5561#(= (bvadd main_~z~0 (_ bv4294967281 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,303 INFO L273 TraceCheckUtils]: 22: Hoare triple {5561#(= (bvadd main_~z~0 (_ bv4294967281 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5565#(= (_ bv16 32) main_~z~0)} is VALID [2018-11-23 11:48:59,304 INFO L273 TraceCheckUtils]: 23: Hoare triple {5565#(= (_ bv16 32) main_~z~0)} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5569#(= (bvadd main_~z~0 (_ bv4294967279 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,305 INFO L273 TraceCheckUtils]: 24: Hoare triple {5569#(= (bvadd main_~z~0 (_ bv4294967279 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5573#(= (bvadd main_~z~0 (_ bv4294967278 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,306 INFO L273 TraceCheckUtils]: 25: Hoare triple {5573#(= (bvadd main_~z~0 (_ bv4294967278 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5577#(= (bvadd main_~z~0 (_ bv4294967277 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,307 INFO L273 TraceCheckUtils]: 26: Hoare triple {5577#(= (bvadd main_~z~0 (_ bv4294967277 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5581#(= (_ bv20 32) main_~z~0)} is VALID [2018-11-23 11:48:59,307 INFO L273 TraceCheckUtils]: 27: Hoare triple {5581#(= (_ bv20 32) main_~z~0)} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5585#(= (bvadd main_~z~0 (_ bv4294967275 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,308 INFO L273 TraceCheckUtils]: 28: Hoare triple {5585#(= (bvadd main_~z~0 (_ bv4294967275 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5589#(= (bvadd main_~z~0 (_ bv4294967274 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,309 INFO L273 TraceCheckUtils]: 29: Hoare triple {5589#(= (bvadd main_~z~0 (_ bv4294967274 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5593#(= (bvadd main_~z~0 (_ bv4294967273 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,310 INFO L273 TraceCheckUtils]: 30: Hoare triple {5593#(= (bvadd main_~z~0 (_ bv4294967273 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5597#(= (bvadd main_~z~0 (_ bv4294967272 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,311 INFO L273 TraceCheckUtils]: 31: Hoare triple {5597#(= (bvadd main_~z~0 (_ bv4294967272 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5601#(= (_ bv25 32) main_~z~0)} is VALID [2018-11-23 11:48:59,312 INFO L273 TraceCheckUtils]: 32: Hoare triple {5601#(= (_ bv25 32) main_~z~0)} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5605#(= (bvadd main_~z~0 (_ bv4294967270 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,313 INFO L273 TraceCheckUtils]: 33: Hoare triple {5605#(= (bvadd main_~z~0 (_ bv4294967270 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5609#(= (bvadd main_~z~0 (_ bv4294967269 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,314 INFO L273 TraceCheckUtils]: 34: Hoare triple {5609#(= (bvadd main_~z~0 (_ bv4294967269 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5613#(= (_ bv28 32) main_~z~0)} is VALID [2018-11-23 11:48:59,315 INFO L273 TraceCheckUtils]: 35: Hoare triple {5613#(= (_ bv28 32) main_~z~0)} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5617#(= (bvadd main_~z~0 (_ bv4294967267 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,316 INFO L273 TraceCheckUtils]: 36: Hoare triple {5617#(= (bvadd main_~z~0 (_ bv4294967267 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5621#(= (_ bv30 32) main_~z~0)} is VALID [2018-11-23 11:48:59,317 INFO L273 TraceCheckUtils]: 37: Hoare triple {5621#(= (_ bv30 32) main_~z~0)} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5625#(= (bvadd main_~z~0 (_ bv4294967265 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,317 INFO L273 TraceCheckUtils]: 38: Hoare triple {5625#(= (bvadd main_~z~0 (_ bv4294967265 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5629#(= (bvadd main_~z~0 (_ bv4294967264 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,318 INFO L273 TraceCheckUtils]: 39: Hoare triple {5629#(= (bvadd main_~z~0 (_ bv4294967264 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5633#(= (bvadd main_~z~0 (_ bv4294967263 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,319 INFO L273 TraceCheckUtils]: 40: Hoare triple {5633#(= (bvadd main_~z~0 (_ bv4294967263 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5637#(= (_ bv34 32) main_~z~0)} is VALID [2018-11-23 11:48:59,320 INFO L273 TraceCheckUtils]: 41: Hoare triple {5637#(= (_ bv34 32) main_~z~0)} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5641#(= (bvadd main_~z~0 (_ bv4294967261 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,321 INFO L273 TraceCheckUtils]: 42: Hoare triple {5641#(= (bvadd main_~z~0 (_ bv4294967261 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5645#(= (bvadd main_~z~0 (_ bv4294967260 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,322 INFO L273 TraceCheckUtils]: 43: Hoare triple {5645#(= (bvadd main_~z~0 (_ bv4294967260 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5649#(= (bvadd main_~z~0 (_ bv4294967259 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,323 INFO L273 TraceCheckUtils]: 44: Hoare triple {5649#(= (bvadd main_~z~0 (_ bv4294967259 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5653#(= (_ bv38 32) main_~z~0)} is VALID [2018-11-23 11:48:59,324 INFO L273 TraceCheckUtils]: 45: Hoare triple {5653#(= (_ bv38 32) main_~z~0)} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5657#(= (bvadd main_~z~0 (_ bv4294967257 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,324 INFO L273 TraceCheckUtils]: 46: Hoare triple {5657#(= (bvadd main_~z~0 (_ bv4294967257 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5661#(= (bvadd main_~z~0 (_ bv4294967256 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,325 INFO L273 TraceCheckUtils]: 47: Hoare triple {5661#(= (bvadd main_~z~0 (_ bv4294967256 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5665#(= (_ bv41 32) main_~z~0)} is VALID [2018-11-23 11:48:59,326 INFO L273 TraceCheckUtils]: 48: Hoare triple {5665#(= (_ bv41 32) main_~z~0)} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5669#(= (bvadd main_~z~0 (_ bv4294967254 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,327 INFO L273 TraceCheckUtils]: 49: Hoare triple {5669#(= (bvadd main_~z~0 (_ bv4294967254 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5673#(= (bvadd main_~z~0 (_ bv4294967253 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,328 INFO L273 TraceCheckUtils]: 50: Hoare triple {5673#(= (bvadd main_~z~0 (_ bv4294967253 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5677#(= (bvadd main_~z~0 (_ bv4294967252 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,329 INFO L273 TraceCheckUtils]: 51: Hoare triple {5677#(= (bvadd main_~z~0 (_ bv4294967252 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5681#(= (bvadd main_~z~0 (_ bv4294967251 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,330 INFO L273 TraceCheckUtils]: 52: Hoare triple {5681#(= (bvadd main_~z~0 (_ bv4294967251 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5685#(= (bvadd main_~z~0 (_ bv4294967250 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,346 INFO L273 TraceCheckUtils]: 53: Hoare triple {5685#(= (bvadd main_~z~0 (_ bv4294967250 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5689#(= (bvadd main_~z~0 (_ bv4294967249 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,347 INFO L273 TraceCheckUtils]: 54: Hoare triple {5689#(= (bvadd main_~z~0 (_ bv4294967249 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5693#(= (_ bv48 32) main_~z~0)} is VALID [2018-11-23 11:48:59,347 INFO L273 TraceCheckUtils]: 55: Hoare triple {5693#(= (_ bv48 32) main_~z~0)} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5697#(= (bvadd main_~z~0 (_ bv4294967247 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,348 INFO L273 TraceCheckUtils]: 56: Hoare triple {5697#(= (bvadd main_~z~0 (_ bv4294967247 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5701#(= (bvadd main_~z~0 (_ bv4294967246 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,349 INFO L273 TraceCheckUtils]: 57: Hoare triple {5701#(= (bvadd main_~z~0 (_ bv4294967246 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5705#(= (_ bv51 32) main_~z~0)} is VALID [2018-11-23 11:48:59,349 INFO L273 TraceCheckUtils]: 58: Hoare triple {5705#(= (_ bv51 32) main_~z~0)} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5709#(= (bvadd main_~z~0 (_ bv4294967244 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,350 INFO L273 TraceCheckUtils]: 59: Hoare triple {5709#(= (bvadd main_~z~0 (_ bv4294967244 32)) (_ bv0 32))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5713#(= (_ bv53 32) main_~z~0)} is VALID [2018-11-23 11:48:59,350 INFO L273 TraceCheckUtils]: 60: Hoare triple {5713#(= (_ bv53 32) main_~z~0)} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5717#(= (bvadd main_~z~0 (_ bv4294967242 32)) (_ bv0 32))} is VALID [2018-11-23 11:48:59,351 INFO L273 TraceCheckUtils]: 61: Hoare triple {5717#(= (bvadd main_~z~0 (_ bv4294967242 32)) (_ bv0 32))} assume !~bvult32(~z~0, 268435455bv32); {5479#false} is VALID [2018-11-23 11:48:59,351 INFO L256 TraceCheckUtils]: 62: Hoare triple {5479#false} call __VERIFIER_assert(~bvurem32(~z~0, 4bv32)); {5479#false} is VALID [2018-11-23 11:48:59,352 INFO L273 TraceCheckUtils]: 63: Hoare triple {5479#false} ~cond := #in~cond; {5479#false} is VALID [2018-11-23 11:48:59,352 INFO L273 TraceCheckUtils]: 64: Hoare triple {5479#false} assume !(0bv32 == ~cond); {5479#false} is VALID [2018-11-23 11:48:59,352 INFO L273 TraceCheckUtils]: 65: Hoare triple {5479#false} assume true; {5479#false} is VALID [2018-11-23 11:48:59,353 INFO L268 TraceCheckUtils]: 66: Hoare quadruple {5479#false} {5479#false} #63#return; {5479#false} is VALID [2018-11-23 11:48:59,353 INFO L273 TraceCheckUtils]: 67: Hoare triple {5479#false} #t~post1 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post1);havoc #t~post1; {5479#false} is VALID [2018-11-23 11:48:59,353 INFO L273 TraceCheckUtils]: 68: Hoare triple {5479#false} assume !!~bvult32(~y~0, 268435455bv32);~z~0 := 0bv32; {5479#false} is VALID [2018-11-23 11:48:59,353 INFO L273 TraceCheckUtils]: 69: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,354 INFO L273 TraceCheckUtils]: 70: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,354 INFO L273 TraceCheckUtils]: 71: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,354 INFO L273 TraceCheckUtils]: 72: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,354 INFO L273 TraceCheckUtils]: 73: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,355 INFO L273 TraceCheckUtils]: 74: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,355 INFO L273 TraceCheckUtils]: 75: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,355 INFO L273 TraceCheckUtils]: 76: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,355 INFO L273 TraceCheckUtils]: 77: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,355 INFO L273 TraceCheckUtils]: 78: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,355 INFO L273 TraceCheckUtils]: 79: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,355 INFO L273 TraceCheckUtils]: 80: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,355 INFO L273 TraceCheckUtils]: 81: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,356 INFO L273 TraceCheckUtils]: 82: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,356 INFO L273 TraceCheckUtils]: 83: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,356 INFO L273 TraceCheckUtils]: 84: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,356 INFO L273 TraceCheckUtils]: 85: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,356 INFO L273 TraceCheckUtils]: 86: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,356 INFO L273 TraceCheckUtils]: 87: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,356 INFO L273 TraceCheckUtils]: 88: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,356 INFO L273 TraceCheckUtils]: 89: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,357 INFO L273 TraceCheckUtils]: 90: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,357 INFO L273 TraceCheckUtils]: 91: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,357 INFO L273 TraceCheckUtils]: 92: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,357 INFO L273 TraceCheckUtils]: 93: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,357 INFO L273 TraceCheckUtils]: 94: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,357 INFO L273 TraceCheckUtils]: 95: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,357 INFO L273 TraceCheckUtils]: 96: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,357 INFO L273 TraceCheckUtils]: 97: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,358 INFO L273 TraceCheckUtils]: 98: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,358 INFO L273 TraceCheckUtils]: 99: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,358 INFO L273 TraceCheckUtils]: 100: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,358 INFO L273 TraceCheckUtils]: 101: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,358 INFO L273 TraceCheckUtils]: 102: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,358 INFO L273 TraceCheckUtils]: 103: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,358 INFO L273 TraceCheckUtils]: 104: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,358 INFO L273 TraceCheckUtils]: 105: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,359 INFO L273 TraceCheckUtils]: 106: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,359 INFO L273 TraceCheckUtils]: 107: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,359 INFO L273 TraceCheckUtils]: 108: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,359 INFO L273 TraceCheckUtils]: 109: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,359 INFO L273 TraceCheckUtils]: 110: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,359 INFO L273 TraceCheckUtils]: 111: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,359 INFO L273 TraceCheckUtils]: 112: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,359 INFO L273 TraceCheckUtils]: 113: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,360 INFO L273 TraceCheckUtils]: 114: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,360 INFO L273 TraceCheckUtils]: 115: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,360 INFO L273 TraceCheckUtils]: 116: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,360 INFO L273 TraceCheckUtils]: 117: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,360 INFO L273 TraceCheckUtils]: 118: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,360 INFO L273 TraceCheckUtils]: 119: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,360 INFO L273 TraceCheckUtils]: 120: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,360 INFO L273 TraceCheckUtils]: 121: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,361 INFO L273 TraceCheckUtils]: 122: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:48:59,361 INFO L273 TraceCheckUtils]: 123: Hoare triple {5479#false} assume !~bvult32(~z~0, 268435455bv32); {5479#false} is VALID [2018-11-23 11:48:59,361 INFO L256 TraceCheckUtils]: 124: Hoare triple {5479#false} call __VERIFIER_assert(~bvurem32(~z~0, 4bv32)); {5479#false} is VALID [2018-11-23 11:48:59,361 INFO L273 TraceCheckUtils]: 125: Hoare triple {5479#false} ~cond := #in~cond; {5479#false} is VALID [2018-11-23 11:48:59,361 INFO L273 TraceCheckUtils]: 126: Hoare triple {5479#false} assume !(0bv32 == ~cond); {5479#false} is VALID [2018-11-23 11:48:59,361 INFO L273 TraceCheckUtils]: 127: Hoare triple {5479#false} assume true; {5479#false} is VALID [2018-11-23 11:48:59,361 INFO L268 TraceCheckUtils]: 128: Hoare quadruple {5479#false} {5479#false} #63#return; {5479#false} is VALID [2018-11-23 11:48:59,361 INFO L273 TraceCheckUtils]: 129: Hoare triple {5479#false} #t~post1 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post1);havoc #t~post1; {5479#false} is VALID [2018-11-23 11:48:59,362 INFO L273 TraceCheckUtils]: 130: Hoare triple {5479#false} assume !~bvult32(~y~0, 268435455bv32); {5479#false} is VALID [2018-11-23 11:48:59,362 INFO L256 TraceCheckUtils]: 131: Hoare triple {5479#false} call __VERIFIER_assert(~bvurem32(~y~0, 2bv32)); {5479#false} is VALID [2018-11-23 11:48:59,362 INFO L273 TraceCheckUtils]: 132: Hoare triple {5479#false} ~cond := #in~cond; {5479#false} is VALID [2018-11-23 11:48:59,362 INFO L273 TraceCheckUtils]: 133: Hoare triple {5479#false} assume 0bv32 == ~cond; {5479#false} is VALID [2018-11-23 11:48:59,362 INFO L273 TraceCheckUtils]: 134: Hoare triple {5479#false} assume !false; {5479#false} is VALID [2018-11-23 11:48:59,382 INFO L134 CoverageAnalysis]: Checked inductivity of 6008 backedges. 3027 proven. 1485 refuted. 0 times theorem prover too weak. 1496 trivial. 0 not checked. [2018-11-23 11:48:59,383 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:49:12,976 INFO L273 TraceCheckUtils]: 134: Hoare triple {5479#false} assume !false; {5479#false} is VALID [2018-11-23 11:49:12,976 INFO L273 TraceCheckUtils]: 133: Hoare triple {5479#false} assume 0bv32 == ~cond; {5479#false} is VALID [2018-11-23 11:49:12,977 INFO L273 TraceCheckUtils]: 132: Hoare triple {5479#false} ~cond := #in~cond; {5479#false} is VALID [2018-11-23 11:49:12,977 INFO L256 TraceCheckUtils]: 131: Hoare triple {5479#false} call __VERIFIER_assert(~bvurem32(~y~0, 2bv32)); {5479#false} is VALID [2018-11-23 11:49:12,977 INFO L273 TraceCheckUtils]: 130: Hoare triple {5479#false} assume !~bvult32(~y~0, 268435455bv32); {5479#false} is VALID [2018-11-23 11:49:12,977 INFO L273 TraceCheckUtils]: 129: Hoare triple {5479#false} #t~post1 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post1);havoc #t~post1; {5479#false} is VALID [2018-11-23 11:49:12,977 INFO L268 TraceCheckUtils]: 128: Hoare quadruple {5478#true} {5479#false} #63#return; {5479#false} is VALID [2018-11-23 11:49:12,978 INFO L273 TraceCheckUtils]: 127: Hoare triple {5478#true} assume true; {5478#true} is VALID [2018-11-23 11:49:12,978 INFO L273 TraceCheckUtils]: 126: Hoare triple {5478#true} assume !(0bv32 == ~cond); {5478#true} is VALID [2018-11-23 11:49:12,978 INFO L273 TraceCheckUtils]: 125: Hoare triple {5478#true} ~cond := #in~cond; {5478#true} is VALID [2018-11-23 11:49:12,978 INFO L256 TraceCheckUtils]: 124: Hoare triple {5479#false} call __VERIFIER_assert(~bvurem32(~z~0, 4bv32)); {5478#true} is VALID [2018-11-23 11:49:12,979 INFO L273 TraceCheckUtils]: 123: Hoare triple {5479#false} assume !~bvult32(~z~0, 268435455bv32); {5479#false} is VALID [2018-11-23 11:49:12,979 INFO L273 TraceCheckUtils]: 122: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,979 INFO L273 TraceCheckUtils]: 121: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,979 INFO L273 TraceCheckUtils]: 120: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,979 INFO L273 TraceCheckUtils]: 119: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,979 INFO L273 TraceCheckUtils]: 118: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,979 INFO L273 TraceCheckUtils]: 117: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,979 INFO L273 TraceCheckUtils]: 116: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,979 INFO L273 TraceCheckUtils]: 115: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,980 INFO L273 TraceCheckUtils]: 114: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,980 INFO L273 TraceCheckUtils]: 113: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,980 INFO L273 TraceCheckUtils]: 112: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,980 INFO L273 TraceCheckUtils]: 111: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,980 INFO L273 TraceCheckUtils]: 110: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,980 INFO L273 TraceCheckUtils]: 109: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,980 INFO L273 TraceCheckUtils]: 108: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,980 INFO L273 TraceCheckUtils]: 107: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,981 INFO L273 TraceCheckUtils]: 106: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,981 INFO L273 TraceCheckUtils]: 105: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,981 INFO L273 TraceCheckUtils]: 104: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,981 INFO L273 TraceCheckUtils]: 103: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,981 INFO L273 TraceCheckUtils]: 102: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,981 INFO L273 TraceCheckUtils]: 101: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,981 INFO L273 TraceCheckUtils]: 100: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,982 INFO L273 TraceCheckUtils]: 99: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,982 INFO L273 TraceCheckUtils]: 98: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,982 INFO L273 TraceCheckUtils]: 97: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,982 INFO L273 TraceCheckUtils]: 96: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,982 INFO L273 TraceCheckUtils]: 95: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,982 INFO L273 TraceCheckUtils]: 94: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,982 INFO L273 TraceCheckUtils]: 93: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,982 INFO L273 TraceCheckUtils]: 92: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,982 INFO L273 TraceCheckUtils]: 91: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,983 INFO L273 TraceCheckUtils]: 90: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,983 INFO L273 TraceCheckUtils]: 89: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,983 INFO L273 TraceCheckUtils]: 88: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,983 INFO L273 TraceCheckUtils]: 87: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,983 INFO L273 TraceCheckUtils]: 86: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,983 INFO L273 TraceCheckUtils]: 85: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,983 INFO L273 TraceCheckUtils]: 84: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,983 INFO L273 TraceCheckUtils]: 83: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,984 INFO L273 TraceCheckUtils]: 82: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,984 INFO L273 TraceCheckUtils]: 81: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,984 INFO L273 TraceCheckUtils]: 80: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,984 INFO L273 TraceCheckUtils]: 79: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,984 INFO L273 TraceCheckUtils]: 78: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,984 INFO L273 TraceCheckUtils]: 77: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,984 INFO L273 TraceCheckUtils]: 76: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,984 INFO L273 TraceCheckUtils]: 75: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,985 INFO L273 TraceCheckUtils]: 74: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,985 INFO L273 TraceCheckUtils]: 73: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,985 INFO L273 TraceCheckUtils]: 72: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,985 INFO L273 TraceCheckUtils]: 71: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,985 INFO L273 TraceCheckUtils]: 70: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,985 INFO L273 TraceCheckUtils]: 69: Hoare triple {5479#false} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {5479#false} is VALID [2018-11-23 11:49:12,985 INFO L273 TraceCheckUtils]: 68: Hoare triple {5479#false} assume !!~bvult32(~y~0, 268435455bv32);~z~0 := 0bv32; {5479#false} is VALID [2018-11-23 11:49:12,985 INFO L273 TraceCheckUtils]: 67: Hoare triple {5479#false} #t~post1 := ~y~0;~y~0 := ~bvadd32(1bv32, #t~post1);havoc #t~post1; {5479#false} is VALID [2018-11-23 11:49:13,005 INFO L268 TraceCheckUtils]: 66: Hoare quadruple {6148#(forall ((v_main_~z~0_BEFORE_CALL_3 (_ BitVec 32))) (or (not (= |__VERIFIER_assert_#in~cond| (bvurem v_main_~z~0_BEFORE_CALL_3 (_ bv4 32)))) (not (= (_ bv0 32) (bvurem v_main_~z~0_BEFORE_CALL_3 (_ bv4 32))))))} {6144#(= (bvurem main_~z~0 (_ bv4 32)) (_ bv0 32))} #63#return; {5479#false} is VALID [2018-11-23 11:49:13,007 INFO L273 TraceCheckUtils]: 65: Hoare triple {6148#(forall ((v_main_~z~0_BEFORE_CALL_3 (_ BitVec 32))) (or (not (= |__VERIFIER_assert_#in~cond| (bvurem v_main_~z~0_BEFORE_CALL_3 (_ bv4 32)))) (not (= (_ bv0 32) (bvurem v_main_~z~0_BEFORE_CALL_3 (_ bv4 32))))))} assume true; {6148#(forall ((v_main_~z~0_BEFORE_CALL_3 (_ BitVec 32))) (or (not (= |__VERIFIER_assert_#in~cond| (bvurem v_main_~z~0_BEFORE_CALL_3 (_ bv4 32)))) (not (= (_ bv0 32) (bvurem v_main_~z~0_BEFORE_CALL_3 (_ bv4 32))))))} is VALID [2018-11-23 11:49:13,007 INFO L273 TraceCheckUtils]: 64: Hoare triple {6155#(or (= (_ bv0 32) __VERIFIER_assert_~cond) (forall ((v_main_~z~0_BEFORE_CALL_3 (_ BitVec 32))) (or (not (= |__VERIFIER_assert_#in~cond| (bvurem v_main_~z~0_BEFORE_CALL_3 (_ bv4 32)))) (not (= (_ bv0 32) (bvurem v_main_~z~0_BEFORE_CALL_3 (_ bv4 32)))))))} assume !(0bv32 == ~cond); {6148#(forall ((v_main_~z~0_BEFORE_CALL_3 (_ BitVec 32))) (or (not (= |__VERIFIER_assert_#in~cond| (bvurem v_main_~z~0_BEFORE_CALL_3 (_ bv4 32)))) (not (= (_ bv0 32) (bvurem v_main_~z~0_BEFORE_CALL_3 (_ bv4 32))))))} is VALID [2018-11-23 11:49:13,009 INFO L273 TraceCheckUtils]: 63: Hoare triple {5478#true} ~cond := #in~cond; {6155#(or (= (_ bv0 32) __VERIFIER_assert_~cond) (forall ((v_main_~z~0_BEFORE_CALL_3 (_ BitVec 32))) (or (not (= |__VERIFIER_assert_#in~cond| (bvurem v_main_~z~0_BEFORE_CALL_3 (_ bv4 32)))) (not (= (_ bv0 32) (bvurem v_main_~z~0_BEFORE_CALL_3 (_ bv4 32)))))))} is VALID [2018-11-23 11:49:13,009 INFO L256 TraceCheckUtils]: 62: Hoare triple {6144#(= (bvurem main_~z~0 (_ bv4 32)) (_ bv0 32))} call __VERIFIER_assert(~bvurem32(~z~0, 4bv32)); {5478#true} is VALID [2018-11-23 11:49:13,009 INFO L273 TraceCheckUtils]: 61: Hoare triple {6162#(or (= (bvurem main_~z~0 (_ bv4 32)) (_ bv0 32)) (bvult main_~z~0 (_ bv268435455 32)))} assume !~bvult32(~z~0, 268435455bv32); {6144#(= (bvurem main_~z~0 (_ bv4 32)) (_ bv0 32))} is VALID [2018-11-23 11:49:13,010 INFO L273 TraceCheckUtils]: 60: Hoare triple {6166#(or (bvult (bvadd main_~z~0 (_ bv1 32)) (_ bv268435455 32)) (not (bvult main_~z~0 (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6162#(or (= (bvurem main_~z~0 (_ bv4 32)) (_ bv0 32)) (bvult main_~z~0 (_ bv268435455 32)))} is VALID [2018-11-23 11:49:13,012 INFO L273 TraceCheckUtils]: 59: Hoare triple {6170#(or (bvult (bvadd main_~z~0 (_ bv2 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv1 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6166#(or (bvult (bvadd main_~z~0 (_ bv1 32)) (_ bv268435455 32)) (not (bvult main_~z~0 (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,016 INFO L273 TraceCheckUtils]: 58: Hoare triple {6174#(or (not (bvult (bvadd main_~z~0 (_ bv2 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv3 32)) (_ bv268435455 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6170#(or (bvult (bvadd main_~z~0 (_ bv2 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv1 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,019 INFO L273 TraceCheckUtils]: 57: Hoare triple {6178#(or (bvult (bvadd main_~z~0 (_ bv4 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv3 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6174#(or (not (bvult (bvadd main_~z~0 (_ bv2 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv3 32)) (_ bv268435455 32)))} is VALID [2018-11-23 11:49:13,023 INFO L273 TraceCheckUtils]: 56: Hoare triple {6182#(or (bvult (bvadd main_~z~0 (_ bv5 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv4 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6178#(or (bvult (bvadd main_~z~0 (_ bv4 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv3 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,025 INFO L273 TraceCheckUtils]: 55: Hoare triple {6186#(or (bvult (bvadd main_~z~0 (_ bv6 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv5 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6182#(or (bvult (bvadd main_~z~0 (_ bv5 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv4 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,029 INFO L273 TraceCheckUtils]: 54: Hoare triple {6190#(or (bvult (bvadd main_~z~0 (_ bv7 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv6 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6186#(or (bvult (bvadd main_~z~0 (_ bv6 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv5 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,032 INFO L273 TraceCheckUtils]: 53: Hoare triple {6194#(or (not (bvult (bvadd main_~z~0 (_ bv7 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv8 32)) (_ bv268435455 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6190#(or (bvult (bvadd main_~z~0 (_ bv7 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv6 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,036 INFO L273 TraceCheckUtils]: 52: Hoare triple {6198#(or (not (bvult (bvadd main_~z~0 (_ bv8 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv9 32)) (_ bv268435455 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6194#(or (not (bvult (bvadd main_~z~0 (_ bv7 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv8 32)) (_ bv268435455 32)))} is VALID [2018-11-23 11:49:13,041 INFO L273 TraceCheckUtils]: 51: Hoare triple {6202#(or (not (bvult (bvadd main_~z~0 (_ bv9 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv10 32)) (_ bv268435455 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6198#(or (not (bvult (bvadd main_~z~0 (_ bv8 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv9 32)) (_ bv268435455 32)))} is VALID [2018-11-23 11:49:13,044 INFO L273 TraceCheckUtils]: 50: Hoare triple {6206#(or (not (bvult (bvadd main_~z~0 (_ bv10 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv11 32)) (_ bv268435455 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6202#(or (not (bvult (bvadd main_~z~0 (_ bv9 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv10 32)) (_ bv268435455 32)))} is VALID [2018-11-23 11:49:13,048 INFO L273 TraceCheckUtils]: 49: Hoare triple {6210#(or (not (bvult (bvadd main_~z~0 (_ bv11 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv12 32)) (_ bv268435455 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6206#(or (not (bvult (bvadd main_~z~0 (_ bv10 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv11 32)) (_ bv268435455 32)))} is VALID [2018-11-23 11:49:13,052 INFO L273 TraceCheckUtils]: 48: Hoare triple {6214#(or (bvult (bvadd main_~z~0 (_ bv13 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv12 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6210#(or (not (bvult (bvadd main_~z~0 (_ bv11 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv12 32)) (_ bv268435455 32)))} is VALID [2018-11-23 11:49:13,054 INFO L273 TraceCheckUtils]: 47: Hoare triple {6218#(or (not (bvult (bvadd main_~z~0 (_ bv13 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv14 32)) (_ bv268435455 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6214#(or (bvult (bvadd main_~z~0 (_ bv13 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv12 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,057 INFO L273 TraceCheckUtils]: 46: Hoare triple {6222#(or (bvult (bvadd main_~z~0 (_ bv15 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv14 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6218#(or (not (bvult (bvadd main_~z~0 (_ bv13 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv14 32)) (_ bv268435455 32)))} is VALID [2018-11-23 11:49:13,061 INFO L273 TraceCheckUtils]: 45: Hoare triple {6226#(or (not (bvult (bvadd main_~z~0 (_ bv15 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv16 32)) (_ bv268435455 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6222#(or (bvult (bvadd main_~z~0 (_ bv15 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv14 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,064 INFO L273 TraceCheckUtils]: 44: Hoare triple {6230#(or (not (bvult (bvadd main_~z~0 (_ bv16 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv17 32)) (_ bv268435455 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6226#(or (not (bvult (bvadd main_~z~0 (_ bv15 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv16 32)) (_ bv268435455 32)))} is VALID [2018-11-23 11:49:13,068 INFO L273 TraceCheckUtils]: 43: Hoare triple {6234#(or (not (bvult (bvadd main_~z~0 (_ bv17 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv18 32)) (_ bv268435455 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6230#(or (not (bvult (bvadd main_~z~0 (_ bv16 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv17 32)) (_ bv268435455 32)))} is VALID [2018-11-23 11:49:13,071 INFO L273 TraceCheckUtils]: 42: Hoare triple {6238#(or (bvult (bvadd main_~z~0 (_ bv19 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv18 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6234#(or (not (bvult (bvadd main_~z~0 (_ bv17 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv18 32)) (_ bv268435455 32)))} is VALID [2018-11-23 11:49:13,075 INFO L273 TraceCheckUtils]: 41: Hoare triple {6242#(or (bvult (bvadd main_~z~0 (_ bv20 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv19 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6238#(or (bvult (bvadd main_~z~0 (_ bv19 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv18 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,078 INFO L273 TraceCheckUtils]: 40: Hoare triple {6246#(or (bvult (bvadd main_~z~0 (_ bv21 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv20 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6242#(or (bvult (bvadd main_~z~0 (_ bv20 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv19 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,083 INFO L273 TraceCheckUtils]: 39: Hoare triple {6250#(or (not (bvult (bvadd main_~z~0 (_ bv21 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv22 32)) (_ bv268435455 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6246#(or (bvult (bvadd main_~z~0 (_ bv21 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv20 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,087 INFO L273 TraceCheckUtils]: 38: Hoare triple {6254#(or (bvult (bvadd main_~z~0 (_ bv23 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv22 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6250#(or (not (bvult (bvadd main_~z~0 (_ bv21 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv22 32)) (_ bv268435455 32)))} is VALID [2018-11-23 11:49:13,090 INFO L273 TraceCheckUtils]: 37: Hoare triple {6258#(or (not (bvult (bvadd main_~z~0 (_ bv23 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv24 32)) (_ bv268435455 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6254#(or (bvult (bvadd main_~z~0 (_ bv23 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv22 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,092 INFO L273 TraceCheckUtils]: 36: Hoare triple {6262#(or (not (bvult (bvadd main_~z~0 (_ bv24 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv25 32)) (_ bv268435455 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6258#(or (not (bvult (bvadd main_~z~0 (_ bv23 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv24 32)) (_ bv268435455 32)))} is VALID [2018-11-23 11:49:13,097 INFO L273 TraceCheckUtils]: 35: Hoare triple {6266#(or (bvult (bvadd main_~z~0 (_ bv26 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv25 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6262#(or (not (bvult (bvadd main_~z~0 (_ bv24 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv25 32)) (_ bv268435455 32)))} is VALID [2018-11-23 11:49:13,100 INFO L273 TraceCheckUtils]: 34: Hoare triple {6270#(or (bvult (bvadd main_~z~0 (_ bv27 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv26 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6266#(or (bvult (bvadd main_~z~0 (_ bv26 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv25 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,104 INFO L273 TraceCheckUtils]: 33: Hoare triple {6274#(or (bvult (bvadd main_~z~0 (_ bv28 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv27 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6270#(or (bvult (bvadd main_~z~0 (_ bv27 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv26 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,107 INFO L273 TraceCheckUtils]: 32: Hoare triple {6278#(or (bvult (bvadd main_~z~0 (_ bv29 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv28 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6274#(or (bvult (bvadd main_~z~0 (_ bv28 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv27 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,111 INFO L273 TraceCheckUtils]: 31: Hoare triple {6282#(or (not (bvult (bvadd main_~z~0 (_ bv29 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv30 32)) (_ bv268435455 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6278#(or (bvult (bvadd main_~z~0 (_ bv29 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv28 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,114 INFO L273 TraceCheckUtils]: 30: Hoare triple {6286#(or (bvult (bvadd main_~z~0 (_ bv31 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv30 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6282#(or (not (bvult (bvadd main_~z~0 (_ bv29 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv30 32)) (_ bv268435455 32)))} is VALID [2018-11-23 11:49:13,116 INFO L273 TraceCheckUtils]: 29: Hoare triple {6290#(or (not (bvult (bvadd main_~z~0 (_ bv31 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv32 32)) (_ bv268435455 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6286#(or (bvult (bvadd main_~z~0 (_ bv31 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv30 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,119 INFO L273 TraceCheckUtils]: 28: Hoare triple {6294#(or (not (bvult (bvadd main_~z~0 (_ bv32 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv33 32)) (_ bv268435455 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6290#(or (not (bvult (bvadd main_~z~0 (_ bv31 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv32 32)) (_ bv268435455 32)))} is VALID [2018-11-23 11:49:13,122 INFO L273 TraceCheckUtils]: 27: Hoare triple {6298#(or (bvult (bvadd main_~z~0 (_ bv34 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv33 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6294#(or (not (bvult (bvadd main_~z~0 (_ bv32 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv33 32)) (_ bv268435455 32)))} is VALID [2018-11-23 11:49:13,124 INFO L273 TraceCheckUtils]: 26: Hoare triple {6302#(or (bvult (bvadd main_~z~0 (_ bv35 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv34 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6298#(or (bvult (bvadd main_~z~0 (_ bv34 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv33 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,128 INFO L273 TraceCheckUtils]: 25: Hoare triple {6306#(or (not (bvult (bvadd main_~z~0 (_ bv35 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv36 32)) (_ bv268435455 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6302#(or (bvult (bvadd main_~z~0 (_ bv35 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv34 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,130 INFO L273 TraceCheckUtils]: 24: Hoare triple {6310#(or (not (bvult (bvadd main_~z~0 (_ bv36 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv37 32)) (_ bv268435455 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6306#(or (not (bvult (bvadd main_~z~0 (_ bv35 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv36 32)) (_ bv268435455 32)))} is VALID [2018-11-23 11:49:13,134 INFO L273 TraceCheckUtils]: 23: Hoare triple {6314#(or (bvult (bvadd main_~z~0 (_ bv38 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv37 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6310#(or (not (bvult (bvadd main_~z~0 (_ bv36 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv37 32)) (_ bv268435455 32)))} is VALID [2018-11-23 11:49:13,137 INFO L273 TraceCheckUtils]: 22: Hoare triple {6318#(or (bvult (bvadd main_~z~0 (_ bv39 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv38 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6314#(or (bvult (bvadd main_~z~0 (_ bv38 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv37 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,140 INFO L273 TraceCheckUtils]: 21: Hoare triple {6322#(or (bvult (bvadd main_~z~0 (_ bv40 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv39 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6318#(or (bvult (bvadd main_~z~0 (_ bv39 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv38 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,143 INFO L273 TraceCheckUtils]: 20: Hoare triple {6326#(or (not (bvult (bvadd main_~z~0 (_ bv40 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv41 32)) (_ bv268435455 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6322#(or (bvult (bvadd main_~z~0 (_ bv40 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv39 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,148 INFO L273 TraceCheckUtils]: 19: Hoare triple {6330#(or (bvult (bvadd main_~z~0 (_ bv42 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv41 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6326#(or (not (bvult (bvadd main_~z~0 (_ bv40 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv41 32)) (_ bv268435455 32)))} is VALID [2018-11-23 11:49:13,152 INFO L273 TraceCheckUtils]: 18: Hoare triple {6334#(or (bvult (bvadd main_~z~0 (_ bv43 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv42 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6330#(or (bvult (bvadd main_~z~0 (_ bv42 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv41 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,155 INFO L273 TraceCheckUtils]: 17: Hoare triple {6338#(or (bvult (bvadd main_~z~0 (_ bv44 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv43 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6334#(or (bvult (bvadd main_~z~0 (_ bv43 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv42 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,157 INFO L273 TraceCheckUtils]: 16: Hoare triple {6342#(or (bvult (bvadd main_~z~0 (_ bv45 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv44 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6338#(or (bvult (bvadd main_~z~0 (_ bv44 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv43 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,159 INFO L273 TraceCheckUtils]: 15: Hoare triple {6346#(or (bvult (bvadd main_~z~0 (_ bv46 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv45 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6342#(or (bvult (bvadd main_~z~0 (_ bv45 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv44 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,163 INFO L273 TraceCheckUtils]: 14: Hoare triple {6350#(or (bvult (bvadd main_~z~0 (_ bv47 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv46 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6346#(or (bvult (bvadd main_~z~0 (_ bv46 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv45 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,167 INFO L273 TraceCheckUtils]: 13: Hoare triple {6354#(or (bvult (bvadd main_~z~0 (_ bv48 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv47 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6350#(or (bvult (bvadd main_~z~0 (_ bv47 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv46 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,171 INFO L273 TraceCheckUtils]: 12: Hoare triple {6358#(or (bvult (bvadd main_~z~0 (_ bv49 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv48 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6354#(or (bvult (bvadd main_~z~0 (_ bv48 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv47 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,173 INFO L273 TraceCheckUtils]: 11: Hoare triple {6362#(or (bvult (bvadd main_~z~0 (_ bv50 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv49 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6358#(or (bvult (bvadd main_~z~0 (_ bv49 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv48 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,177 INFO L273 TraceCheckUtils]: 10: Hoare triple {6366#(or (not (bvult (bvadd main_~z~0 (_ bv50 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv51 32)) (_ bv268435455 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6362#(or (bvult (bvadd main_~z~0 (_ bv50 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv49 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,180 INFO L273 TraceCheckUtils]: 9: Hoare triple {6370#(or (bvult (bvadd main_~z~0 (_ bv52 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv51 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6366#(or (not (bvult (bvadd main_~z~0 (_ bv50 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv51 32)) (_ bv268435455 32)))} is VALID [2018-11-23 11:49:13,183 INFO L273 TraceCheckUtils]: 8: Hoare triple {6374#(or (not (bvult (bvadd main_~z~0 (_ bv52 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv53 32)) (_ bv268435455 32)))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6370#(or (bvult (bvadd main_~z~0 (_ bv52 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv51 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,186 INFO L273 TraceCheckUtils]: 7: Hoare triple {6378#(or (bvult (bvadd main_~z~0 (_ bv54 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv53 32)) (_ bv268435455 32))))} assume !!~bvult32(~z~0, 268435455bv32);#t~post0 := ~z~0;~z~0 := ~bvadd32(1bv32, #t~post0);havoc #t~post0; {6374#(or (not (bvult (bvadd main_~z~0 (_ bv52 32)) (_ bv268435455 32))) (bvult (bvadd main_~z~0 (_ bv53 32)) (_ bv268435455 32)))} is VALID [2018-11-23 11:49:13,187 INFO L273 TraceCheckUtils]: 6: Hoare triple {5478#true} assume !!~bvult32(~y~0, 268435455bv32);~z~0 := 0bv32; {6378#(or (bvult (bvadd main_~z~0 (_ bv54 32)) (_ bv268435455 32)) (not (bvult (bvadd main_~z~0 (_ bv53 32)) (_ bv268435455 32))))} is VALID [2018-11-23 11:49:13,188 INFO L273 TraceCheckUtils]: 5: Hoare triple {5478#true} assume !!~bvult32(~x~0, 268435455bv32);~y~0 := 0bv32; {5478#true} is VALID [2018-11-23 11:49:13,188 INFO L273 TraceCheckUtils]: 4: Hoare triple {5478#true} ~x~0 := 0bv32;~y~0 := 0bv32;~z~0 := 0bv32;~w~0 := 0bv32; {5478#true} is VALID [2018-11-23 11:49:13,188 INFO L256 TraceCheckUtils]: 3: Hoare triple {5478#true} call #t~ret3 := main(); {5478#true} is VALID [2018-11-23 11:49:13,188 INFO L268 TraceCheckUtils]: 2: Hoare quadruple {5478#true} {5478#true} #59#return; {5478#true} is VALID [2018-11-23 11:49:13,188 INFO L273 TraceCheckUtils]: 1: Hoare triple {5478#true} assume true; {5478#true} is VALID [2018-11-23 11:49:13,188 INFO L256 TraceCheckUtils]: 0: Hoare triple {5478#true} call ULTIMATE.init(); {5478#true} is VALID [2018-11-23 11:49:13,228 INFO L134 CoverageAnalysis]: Checked inductivity of 6008 backedges. 3032 proven. 1488 refuted. 0 times theorem prover too weak. 1488 trivial. 0 not checked. [2018-11-23 11:49:13,233 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 11:49:13,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 60] total 115 [2018-11-23 11:49:13,234 INFO L78 Accepts]: Start accepts. Automaton has 115 states. Word has length 135 [2018-11-23 11:49:13,235 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 11:49:13,235 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 115 states. [2018-11-23 11:49:13,742 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 141 edges. 141 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 11:49:13,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 115 states [2018-11-23 11:49:13,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2018-11-23 11:49:13,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3309, Invalid=9801, Unknown=0, NotChecked=0, Total=13110 [2018-11-23 11:49:13,748 INFO L87 Difference]: Start difference. First operand 200 states and 208 transitions. Second operand 115 states. [2018-11-23 11:49:28,920 WARN L180 SmtUtils]: Spent 3.41 s on a formula simplification that was a NOOP. DAG size: 278 [2018-11-23 11:49:34,027 WARN L180 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-11-23 11:49:40,448 WARN L180 SmtUtils]: Spent 3.57 s on a formula simplification that was a NOOP. DAG size: 273 [2018-11-23 11:49:47,851 WARN L180 SmtUtils]: Spent 3.43 s on a formula simplification that was a NOOP. DAG size: 268 [2018-11-23 11:49:54,216 WARN L180 SmtUtils]: Spent 3.31 s on a formula simplification that was a NOOP. DAG size: 263 [2018-11-23 11:50:00,556 WARN L180 SmtUtils]: Spent 3.05 s on a formula simplification that was a NOOP. DAG size: 258 [2018-11-23 11:50:06,887 WARN L180 SmtUtils]: Spent 3.18 s on a formula simplification that was a NOOP. DAG size: 253 [2018-11-23 11:50:12,777 WARN L180 SmtUtils]: Spent 2.86 s on a formula simplification that was a NOOP. DAG size: 248 [2018-11-23 11:50:18,574 WARN L180 SmtUtils]: Spent 2.57 s on a formula simplification that was a NOOP. DAG size: 243 [2018-11-23 11:50:24,355 WARN L180 SmtUtils]: Spent 2.70 s on a formula simplification that was a NOOP. DAG size: 238 [2018-11-23 11:50:29,944 WARN L180 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 233 [2018-11-23 11:50:35,236 WARN L180 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 228 [2018-11-23 11:50:40,201 WARN L180 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 223 [2018-11-23 11:50:44,823 WARN L180 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 218 [2018-11-23 11:50:49,542 WARN L180 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 213 [2018-11-23 11:50:53,973 WARN L180 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 208 [2018-11-23 11:50:58,257 WARN L180 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 203 [2018-11-23 11:51:02,413 WARN L180 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 198 [2018-11-23 11:51:06,542 WARN L180 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 193 [2018-11-23 11:51:10,448 WARN L180 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 188 [2018-11-23 11:51:14,416 WARN L180 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 183 [2018-11-23 11:51:18,143 WARN L180 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 178 [2018-11-23 11:51:21,955 WARN L180 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 173 [2018-11-23 11:51:25,485 WARN L180 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 168 [2018-11-23 11:51:29,055 WARN L180 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 163 [2018-11-23 11:51:32,444 WARN L180 SmtUtils]: Spent 993.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2018-11-23 11:51:35,548 WARN L180 SmtUtils]: Spent 905.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-11-23 11:51:38,742 WARN L180 SmtUtils]: Spent 901.00 ms on a formula simplification that was a NOOP. DAG size: 148