java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label50_false-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 10:21:28,508 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 10:21:28,509 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 10:21:28,525 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 10:21:28,526 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 10:21:28,527 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 10:21:28,528 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 10:21:28,530 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 10:21:28,531 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 10:21:28,533 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 10:21:28,535 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 10:21:28,535 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 10:21:28,536 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 10:21:28,539 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 10:21:28,540 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 10:21:28,542 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 10:21:28,543 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 10:21:28,550 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 10:21:28,555 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 10:21:28,559 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 10:21:28,561 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 10:21:28,563 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 10:21:28,567 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 10:21:28,567 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 10:21:28,567 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 10:21:28,569 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 10:21:28,572 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 10:21:28,573 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 10:21:28,575 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 10:21:28,578 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 10:21:28,579 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 10:21:28,580 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-10-27 10:21:28,584 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-INT.epf [2018-10-27 10:21:28,613 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 10:21:28,613 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 10:21:28,614 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 10:21:28,614 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 10:21:28,615 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 10:21:28,615 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 10:21:28,615 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 10:21:28,615 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 10:21:28,615 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 10:21:28,617 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 10:21:28,617 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 10:21:28,617 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 10:21:28,618 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 10:21:28,618 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 10:21:28,618 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 10:21:28,618 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 10:21:28,619 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 10:21:28,619 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 10:21:28,619 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 10:21:28,619 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 10:21:28,619 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 10:21:28,620 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 10:21:28,620 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 10:21:28,620 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 10:21:28,620 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 10:21:28,620 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 10:21:28,621 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 10:21:28,623 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 10:21:28,623 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 10:21:28,623 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 10:21:28,623 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 10:21:28,623 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 10:21:28,623 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 10:21:28,624 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 10:21:28,689 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 10:21:28,704 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 10:21:28,709 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 10:21:28,711 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 10:21:28,711 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 10:21:28,712 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label50_false-unreach-call_false-termination.c [2018-10-27 10:21:28,787 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6ce6d01d8/eee22c02b84748dbbd91855361edaf31/FLAG261902cc9 [2018-10-27 10:21:29,404 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 10:21:29,405 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label50_false-unreach-call_false-termination.c [2018-10-27 10:21:29,430 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6ce6d01d8/eee22c02b84748dbbd91855361edaf31/FLAG261902cc9 [2018-10-27 10:21:29,457 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/6ce6d01d8/eee22c02b84748dbbd91855361edaf31 [2018-10-27 10:21:29,470 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 10:21:29,471 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 10:21:29,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 10:21:29,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 10:21:29,477 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 10:21:29,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:21:29" (1/1) ... [2018-10-27 10:21:29,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68109397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:29, skipping insertion in model container [2018-10-27 10:21:29,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:21:29" (1/1) ... [2018-10-27 10:21:29,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 10:21:29,568 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 10:21:29,968 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 10:21:29,978 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 10:21:30,124 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 10:21:30,146 INFO L193 MainTranslator]: Completed translation [2018-10-27 10:21:30,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:30 WrapperNode [2018-10-27 10:21:30,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 10:21:30,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 10:21:30,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 10:21:30,148 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 10:21:30,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:30" (1/1) ... [2018-10-27 10:21:30,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:30" (1/1) ... [2018-10-27 10:21:30,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 10:21:30,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 10:21:30,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 10:21:30,362 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 10:21:30,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:30" (1/1) ... [2018-10-27 10:21:30,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:30" (1/1) ... [2018-10-27 10:21:30,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:30" (1/1) ... [2018-10-27 10:21:30,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:30" (1/1) ... [2018-10-27 10:21:30,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:30" (1/1) ... [2018-10-27 10:21:30,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:30" (1/1) ... [2018-10-27 10:21:30,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:30" (1/1) ... [2018-10-27 10:21:30,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 10:21:30,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 10:21:30,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 10:21:30,426 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 10:21:30,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-27 10:21:30,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 10:21:30,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 10:21:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-27 10:21:30,522 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-27 10:21:30,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 10:21:30,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 10:21:30,523 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 10:21:30,524 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 10:21:34,238 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 10:21:34,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:21:34 BoogieIcfgContainer [2018-10-27 10:21:34,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 10:21:34,243 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 10:21:34,243 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 10:21:34,248 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 10:21:34,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:21:29" (1/3) ... [2018-10-27 10:21:34,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f0ea61c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:21:34, skipping insertion in model container [2018-10-27 10:21:34,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:30" (2/3) ... [2018-10-27 10:21:34,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f0ea61c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:21:34, skipping insertion in model container [2018-10-27 10:21:34,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:21:34" (3/3) ... [2018-10-27 10:21:34,252 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label50_false-unreach-call_false-termination.c [2018-10-27 10:21:34,263 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 10:21:34,277 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 10:21:34,297 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 10:21:34,342 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 10:21:34,342 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 10:21:34,343 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 10:21:34,343 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 10:21:34,343 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 10:21:34,343 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 10:21:34,344 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 10:21:34,344 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 10:21:34,371 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-10-27 10:21:34,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-27 10:21:34,386 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 10:21:34,387 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 10:21:34,389 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 10:21:34,394 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 10:21:34,395 INFO L82 PathProgramCache]: Analyzing trace with hash -110615784, now seen corresponding path program 1 times [2018-10-27 10:21:34,397 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 10:21:34,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 10:21:34,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 10:21:34,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 10:21:34,445 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 10:21:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 10:21:34,999 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 10:21:35,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 10:21:35,069 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 10:21:35,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 10:21:35,070 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 10:21:35,076 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 10:21:35,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 10:21:35,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 10:21:35,094 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-10-27 10:21:36,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 10:21:36,945 INFO L93 Difference]: Finished difference Result 621 states and 1059 transitions. [2018-10-27 10:21:36,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 10:21:36,946 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2018-10-27 10:21:36,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 10:21:36,968 INFO L225 Difference]: With dead ends: 621 [2018-10-27 10:21:36,969 INFO L226 Difference]: Without dead ends: 382 [2018-10-27 10:21:36,981 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 10:21:37,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-10-27 10:21:37,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2018-10-27 10:21:37,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-10-27 10:21:37,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 608 transitions. [2018-10-27 10:21:37,066 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 608 transitions. Word has length 88 [2018-10-27 10:21:37,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 10:21:37,067 INFO L481 AbstractCegarLoop]: Abstraction has 382 states and 608 transitions. [2018-10-27 10:21:37,067 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 10:21:37,068 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 608 transitions. [2018-10-27 10:21:37,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-27 10:21:37,074 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 10:21:37,074 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 10:21:37,074 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 10:21:37,078 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 10:21:37,078 INFO L82 PathProgramCache]: Analyzing trace with hash 2087174949, now seen corresponding path program 1 times [2018-10-27 10:21:37,078 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 10:21:37,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 10:21:37,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 10:21:37,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 10:21:37,081 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 10:21:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 10:21:37,281 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 10:21:37,281 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 10:21:37,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 10:21:37,282 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 10:21:37,284 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 10:21:37,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 10:21:37,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 10:21:37,285 INFO L87 Difference]: Start difference. First operand 382 states and 608 transitions. Second operand 3 states. [2018-10-27 10:21:38,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 10:21:38,407 INFO L93 Difference]: Finished difference Result 1057 states and 1749 transitions. [2018-10-27 10:21:38,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 10:21:38,414 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2018-10-27 10:21:38,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 10:21:38,429 INFO L225 Difference]: With dead ends: 1057 [2018-10-27 10:21:38,430 INFO L226 Difference]: Without dead ends: 681 [2018-10-27 10:21:38,433 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 10:21:38,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2018-10-27 10:21:38,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 676. [2018-10-27 10:21:38,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2018-10-27 10:21:38,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 1044 transitions. [2018-10-27 10:21:38,491 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 1044 transitions. Word has length 97 [2018-10-27 10:21:38,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 10:21:38,491 INFO L481 AbstractCegarLoop]: Abstraction has 676 states and 1044 transitions. [2018-10-27 10:21:38,492 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 10:21:38,492 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1044 transitions. [2018-10-27 10:21:38,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-27 10:21:38,501 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 10:21:38,502 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 10:21:38,502 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 10:21:38,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 10:21:38,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1316217369, now seen corresponding path program 1 times [2018-10-27 10:21:38,503 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 10:21:38,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 10:21:38,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 10:21:38,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 10:21:38,506 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 10:21:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 10:21:38,841 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 10:21:38,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 10:21:38,842 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 10:21:38,842 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 10:21:38,842 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 10:21:38,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 10:21:38,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-27 10:21:38,843 INFO L87 Difference]: Start difference. First operand 676 states and 1044 transitions. Second operand 6 states. [2018-10-27 10:21:41,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 10:21:41,753 INFO L93 Difference]: Finished difference Result 2173 states and 3497 transitions. [2018-10-27 10:21:41,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 10:21:41,756 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-10-27 10:21:41,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 10:21:41,775 INFO L225 Difference]: With dead ends: 2173 [2018-10-27 10:21:41,775 INFO L226 Difference]: Without dead ends: 1503 [2018-10-27 10:21:41,784 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-10-27 10:21:41,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1503 states. [2018-10-27 10:21:41,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1503 to 1483. [2018-10-27 10:21:41,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1483 states. [2018-10-27 10:21:41,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1483 states and 2166 transitions. [2018-10-27 10:21:41,884 INFO L78 Accepts]: Start accepts. Automaton has 1483 states and 2166 transitions. Word has length 103 [2018-10-27 10:21:41,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 10:21:41,884 INFO L481 AbstractCegarLoop]: Abstraction has 1483 states and 2166 transitions. [2018-10-27 10:21:41,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 10:21:41,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 2166 transitions. [2018-10-27 10:21:41,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-27 10:21:41,890 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 10:21:41,890 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 10:21:41,890 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 10:21:41,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 10:21:41,891 INFO L82 PathProgramCache]: Analyzing trace with hash -654069662, now seen corresponding path program 1 times [2018-10-27 10:21:41,891 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 10:21:41,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 10:21:41,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 10:21:41,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 10:21:41,893 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 10:21:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 10:21:42,149 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 10:21:42,149 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 10:21:42,149 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 10:21:42,149 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 10:21:42,150 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 10:21:42,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 10:21:42,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 10:21:42,151 INFO L87 Difference]: Start difference. First operand 1483 states and 2166 transitions. Second operand 6 states. [2018-10-27 10:21:43,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 10:21:43,726 INFO L93 Difference]: Finished difference Result 4036 states and 5989 transitions. [2018-10-27 10:21:43,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 10:21:43,727 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 111 [2018-10-27 10:21:43,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 10:21:43,743 INFO L225 Difference]: With dead ends: 4036 [2018-10-27 10:21:43,744 INFO L226 Difference]: Without dead ends: 2559 [2018-10-27 10:21:43,752 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-27 10:21:43,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2559 states. [2018-10-27 10:21:43,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2559 to 2527. [2018-10-27 10:21:43,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2527 states. [2018-10-27 10:21:43,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2527 states to 2527 states and 3541 transitions. [2018-10-27 10:21:43,835 INFO L78 Accepts]: Start accepts. Automaton has 2527 states and 3541 transitions. Word has length 111 [2018-10-27 10:21:43,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 10:21:43,835 INFO L481 AbstractCegarLoop]: Abstraction has 2527 states and 3541 transitions. [2018-10-27 10:21:43,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 10:21:43,836 INFO L276 IsEmpty]: Start isEmpty. Operand 2527 states and 3541 transitions. [2018-10-27 10:21:43,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-27 10:21:43,841 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 10:21:43,841 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 10:21:43,841 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 10:21:43,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 10:21:43,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1207925353, now seen corresponding path program 1 times [2018-10-27 10:21:43,842 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 10:21:43,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 10:21:43,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 10:21:43,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 10:21:43,843 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 10:21:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 10:21:44,124 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 10:21:44,125 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 10:21:44,125 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 10:21:44,126 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 126 with the following transitions: [2018-10-27 10:21:44,130 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [375], [377], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 10:21:44,174 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 10:21:44,174 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 10:21:45,671 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 10:21:45,672 INFO L272 AbstractInterpreter]: Visited 93 different actions 275 times. Merged at 7 different actions 20 times. Never widened. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-27 10:21:45,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 10:21:45,705 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 10:21:45,705 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 10:21:45,705 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 10:21:45,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 10:21:45,724 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 10:21:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 10:21:45,864 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 10:21:46,057 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 10:21:46,058 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 10:21:46,494 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 10:21:46,526 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-10-27 10:21:46,526 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 6 [2018-10-27 10:21:46,526 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 10:21:46,527 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 10:21:46,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 10:21:46,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-10-27 10:21:46,528 INFO L87 Difference]: Start difference. First operand 2527 states and 3541 transitions. Second operand 3 states. [2018-10-27 10:21:49,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 10:21:49,115 INFO L93 Difference]: Finished difference Result 6709 states and 9644 transitions. [2018-10-27 10:21:49,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 10:21:49,116 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2018-10-27 10:21:49,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 10:21:49,126 INFO L225 Difference]: With dead ends: 6709 [2018-10-27 10:21:49,127 INFO L226 Difference]: Without dead ends: 1763 [2018-10-27 10:21:49,151 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 251 SyntacticMatches, 4 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-10-27 10:21:49,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1763 states. [2018-10-27 10:21:49,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1763 to 1735. [2018-10-27 10:21:49,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1735 states. [2018-10-27 10:21:49,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1735 states and 2266 transitions. [2018-10-27 10:21:49,205 INFO L78 Accepts]: Start accepts. Automaton has 1735 states and 2266 transitions. Word has length 125 [2018-10-27 10:21:49,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 10:21:49,206 INFO L481 AbstractCegarLoop]: Abstraction has 1735 states and 2266 transitions. [2018-10-27 10:21:49,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 10:21:49,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2266 transitions. [2018-10-27 10:21:49,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-27 10:21:49,211 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 10:21:49,212 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 10:21:49,212 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 10:21:49,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 10:21:49,213 INFO L82 PathProgramCache]: Analyzing trace with hash 775673070, now seen corresponding path program 1 times [2018-10-27 10:21:49,213 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 10:21:49,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 10:21:49,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 10:21:49,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 10:21:49,214 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 10:21:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 10:21:49,494 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 10:21:49,949 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 45 proven. 16 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 10:21:49,950 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 10:21:49,950 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 10:21:49,950 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-10-27 10:21:49,951 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [29], [30], [34], [38], [42], [53], [64], [68], [72], [76], [79], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [375], [377], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 10:21:49,963 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 10:21:49,963 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 10:21:50,276 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 10:21:50,276 INFO L272 AbstractInterpreter]: Visited 90 different actions 90 times. Never merged. Never widened. Never found a fixpoint. Largest state had 38 variables. [2018-10-27 10:21:50,317 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 10:21:50,318 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 10:21:50,908 INFO L227 lantSequenceWeakener]: Weakened 108 states. On average, predicates are now at 80.56% of their original sizes. [2018-10-27 10:21:50,909 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 10:21:52,208 INFO L415 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2018-10-27 10:21:52,208 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 10:21:52,209 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 10:21:52,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2018-10-27 10:21:52,210 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 10:21:52,210 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-27 10:21:52,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-27 10:21:52,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2018-10-27 10:21:52,216 INFO L87 Difference]: Start difference. First operand 1735 states and 2266 transitions. Second operand 13 states. [2018-10-27 10:22:07,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 10:22:07,651 INFO L93 Difference]: Finished difference Result 3764 states and 4907 transitions. [2018-10-27 10:22:07,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-27 10:22:07,651 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 136 [2018-10-27 10:22:07,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 10:22:07,660 INFO L225 Difference]: With dead ends: 3764 [2018-10-27 10:22:07,660 INFO L226 Difference]: Without dead ends: 2035 [2018-10-27 10:22:07,666 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 146 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=152, Invalid=400, Unknown=0, NotChecked=0, Total=552 [2018-10-27 10:22:07,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2035 states. [2018-10-27 10:22:07,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2035 to 1882. [2018-10-27 10:22:07,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1882 states. [2018-10-27 10:22:07,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1882 states and 2424 transitions. [2018-10-27 10:22:07,712 INFO L78 Accepts]: Start accepts. Automaton has 1882 states and 2424 transitions. Word has length 136 [2018-10-27 10:22:07,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 10:22:07,713 INFO L481 AbstractCegarLoop]: Abstraction has 1882 states and 2424 transitions. [2018-10-27 10:22:07,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-27 10:22:07,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 2424 transitions. [2018-10-27 10:22:07,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-27 10:22:07,718 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 10:22:07,718 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 10:22:07,719 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 10:22:07,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 10:22:07,719 INFO L82 PathProgramCache]: Analyzing trace with hash 795873743, now seen corresponding path program 1 times [2018-10-27 10:22:07,719 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 10:22:07,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 10:22:07,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 10:22:07,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 10:22:07,721 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 10:22:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 10:22:08,322 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 57 proven. 26 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-27 10:22:08,322 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 10:22:08,322 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 10:22:08,323 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 147 with the following transitions: [2018-10-27 10:22:08,323 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [29], [30], [34], [38], [42], [53], [64], [68], [72], [76], [79], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [375], [377], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 10:22:08,327 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 10:22:08,327 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 10:22:08,790 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 10:22:08,790 INFO L272 AbstractInterpreter]: Visited 94 different actions 281 times. Merged at 7 different actions 21 times. Never widened. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-10-27 10:22:08,795 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 10:22:08,795 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 10:22:09,042 INFO L227 lantSequenceWeakener]: Weakened 143 states. On average, predicates are now at 80.44% of their original sizes. [2018-10-27 10:22:09,042 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 10:22:09,400 INFO L415 sIntCurrentIteration]: We unified 145 AI predicates to 145 [2018-10-27 10:22:09,400 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 10:22:09,401 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 10:22:09,401 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2018-10-27 10:22:09,401 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 10:22:09,401 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 10:22:09,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 10:22:09,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-10-27 10:22:09,402 INFO L87 Difference]: Start difference. First operand 1882 states and 2424 transitions. Second operand 10 states. [2018-10-27 10:22:16,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 10:22:16,831 INFO L93 Difference]: Finished difference Result 4502 states and 5759 transitions. [2018-10-27 10:22:16,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-27 10:22:16,831 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 146 [2018-10-27 10:22:16,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 10:22:16,842 INFO L225 Difference]: With dead ends: 4502 [2018-10-27 10:22:16,842 INFO L226 Difference]: Without dead ends: 2626 [2018-10-27 10:22:16,848 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 154 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2018-10-27 10:22:16,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2626 states. [2018-10-27 10:22:16,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2626 to 2605. [2018-10-27 10:22:16,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2605 states. [2018-10-27 10:22:16,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2605 states to 2605 states and 3276 transitions. [2018-10-27 10:22:16,912 INFO L78 Accepts]: Start accepts. Automaton has 2605 states and 3276 transitions. Word has length 146 [2018-10-27 10:22:16,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 10:22:16,912 INFO L481 AbstractCegarLoop]: Abstraction has 2605 states and 3276 transitions. [2018-10-27 10:22:16,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 10:22:16,913 INFO L276 IsEmpty]: Start isEmpty. Operand 2605 states and 3276 transitions. [2018-10-27 10:22:16,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-27 10:22:16,919 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 10:22:16,919 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 10:22:16,920 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 10:22:16,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 10:22:16,920 INFO L82 PathProgramCache]: Analyzing trace with hash 2044541068, now seen corresponding path program 1 times [2018-10-27 10:22:16,920 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 10:22:16,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 10:22:16,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 10:22:16,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 10:22:16,921 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 10:22:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 10:22:17,213 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 59 proven. 24 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 10:22:17,213 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 10:22:17,213 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 10:22:17,214 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2018-10-27 10:22:17,214 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [29], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [375], [377], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 10:22:17,217 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 10:22:17,217 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 10:22:17,502 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 10:22:17,502 INFO L272 AbstractInterpreter]: Visited 93 different actions 182 times. Merged at 5 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-10-27 10:22:17,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 10:22:17,514 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 10:22:17,915 INFO L227 lantSequenceWeakener]: Weakened 56 states. On average, predicates are now at 80.61% of their original sizes. [2018-10-27 10:22:17,916 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 10:22:19,091 INFO L415 sIntCurrentIteration]: We unified 149 AI predicates to 149 [2018-10-27 10:22:19,092 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 10:22:19,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 10:22:19,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [10] total 28 [2018-10-27 10:22:19,093 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 10:22:19,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-10-27 10:22:19,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-10-27 10:22:19,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2018-10-27 10:22:19,095 INFO L87 Difference]: Start difference. First operand 2605 states and 3276 transitions. Second operand 20 states. [2018-10-27 10:22:33,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 10:22:33,310 INFO L93 Difference]: Finished difference Result 5795 states and 7220 transitions. [2018-10-27 10:22:33,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-10-27 10:22:33,310 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 150 [2018-10-27 10:22:33,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 10:22:33,323 INFO L225 Difference]: With dead ends: 5795 [2018-10-27 10:22:33,323 INFO L226 Difference]: Without dead ends: 3196 [2018-10-27 10:22:33,330 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 164 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=259, Invalid=931, Unknown=0, NotChecked=0, Total=1190 [2018-10-27 10:22:33,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3196 states. [2018-10-27 10:22:33,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3196 to 3045. [2018-10-27 10:22:33,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3045 states. [2018-10-27 10:22:33,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3045 states to 3045 states and 3771 transitions. [2018-10-27 10:22:33,413 INFO L78 Accepts]: Start accepts. Automaton has 3045 states and 3771 transitions. Word has length 150 [2018-10-27 10:22:33,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 10:22:33,414 INFO L481 AbstractCegarLoop]: Abstraction has 3045 states and 3771 transitions. [2018-10-27 10:22:33,414 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-10-27 10:22:33,414 INFO L276 IsEmpty]: Start isEmpty. Operand 3045 states and 3771 transitions. [2018-10-27 10:22:33,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-27 10:22:33,422 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 10:22:33,422 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 10:22:33,425 INFO L424 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 10:22:33,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 10:22:33,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1278379132, now seen corresponding path program 1 times [2018-10-27 10:22:33,426 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 10:22:33,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 10:22:33,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 10:22:33,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 10:22:33,427 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 10:22:33,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 10:22:34,779 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 63 proven. 32 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 10:22:34,780 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 10:22:34,780 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 10:22:34,780 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2018-10-27 10:22:34,780 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [29], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [375], [377], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 10:22:34,784 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 10:22:34,785 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 10:22:35,278 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 10:22:35,279 INFO L272 AbstractInterpreter]: Visited 94 different actions 368 times. Merged at 8 different actions 28 times. Never widened. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-10-27 10:22:35,289 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 10:22:35,289 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 10:22:35,289 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 10:22:35,289 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 10:22:35,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 10:22:35,297 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 10:22:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 10:22:35,388 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 10:22:35,526 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 85 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-27 10:22:35,527 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 10:22:36,381 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 74 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 10:22:36,402 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 10:22:36,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2018-10-27 10:22:36,402 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 10:22:36,403 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-10-27 10:22:36,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-10-27 10:22:36,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-10-27 10:22:36,406 INFO L87 Difference]: Start difference. First operand 3045 states and 3771 transitions. Second operand 13 states. [2018-10-27 10:22:39,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 10:22:39,060 INFO L93 Difference]: Finished difference Result 6353 states and 8196 transitions. [2018-10-27 10:22:39,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-10-27 10:22:39,064 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 154 [2018-10-27 10:22:39,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 10:22:39,082 INFO L225 Difference]: With dead ends: 6353 [2018-10-27 10:22:39,082 INFO L226 Difference]: Without dead ends: 3607 [2018-10-27 10:22:39,092 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 320 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=323, Invalid=799, Unknown=0, NotChecked=0, Total=1122 [2018-10-27 10:22:39,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3607 states. [2018-10-27 10:22:39,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3607 to 3019. [2018-10-27 10:22:39,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3019 states. [2018-10-27 10:22:39,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3019 states to 3019 states and 3561 transitions. [2018-10-27 10:22:39,189 INFO L78 Accepts]: Start accepts. Automaton has 3019 states and 3561 transitions. Word has length 154 [2018-10-27 10:22:39,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 10:22:39,189 INFO L481 AbstractCegarLoop]: Abstraction has 3019 states and 3561 transitions. [2018-10-27 10:22:39,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-10-27 10:22:39,190 INFO L276 IsEmpty]: Start isEmpty. Operand 3019 states and 3561 transitions. [2018-10-27 10:22:39,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-27 10:22:39,198 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 10:22:39,199 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 10:22:39,199 INFO L424 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 10:22:39,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 10:22:39,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1376216190, now seen corresponding path program 1 times [2018-10-27 10:22:39,200 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 10:22:39,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 10:22:39,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 10:22:39,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 10:22:39,202 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 10:22:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 10:22:39,453 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-27 10:22:39,676 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 107 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-27 10:22:39,676 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 10:22:39,676 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 10:22:39,676 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 192 with the following transitions: [2018-10-27 10:22:39,677 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [29], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [351], [352], [356], [360], [364], [368], [372], [375], [377], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-27 10:22:39,680 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, IntervalDomain] [2018-10-27 10:22:39,680 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 10:22:40,108 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 10:22:40,108 INFO L272 AbstractInterpreter]: Visited 94 different actions 374 times. Merged at 8 different actions 34 times. Widened at 1 different actions 1 times. Found 6 fixpoints after 4 different actions. Largest state had 38 variables. [2018-10-27 10:22:40,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 10:22:40,120 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 10:22:40,120 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 10:22:40,120 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 10:22:40,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 10:22:40,129 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 10:22:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 10:22:40,205 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 10:22:40,288 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 114 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-27 10:22:40,289 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 10:22:40,381 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 107 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-27 10:22:40,402 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-27 10:22:40,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-10-27 10:22:40,402 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-27 10:22:40,403 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 10:22:40,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 10:22:40,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-10-27 10:22:40,403 INFO L87 Difference]: Start difference. First operand 3019 states and 3561 transitions. Second operand 9 states. [2018-10-27 10:22:42,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 10:22:42,472 INFO L93 Difference]: Finished difference Result 8381 states and 10193 transitions. [2018-10-27 10:22:42,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-27 10:22:42,472 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 191 [2018-10-27 10:22:42,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 10:22:42,485 INFO L225 Difference]: With dead ends: 8381 [2018-10-27 10:22:42,485 INFO L226 Difference]: Without dead ends: 2934 [2018-10-27 10:22:42,506 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 387 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2018-10-27 10:22:42,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2934 states. [2018-10-27 10:22:42,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2934 to 2841. [2018-10-27 10:22:42,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2841 states. [2018-10-27 10:22:42,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 2841 states and 3072 transitions. [2018-10-27 10:22:42,593 INFO L78 Accepts]: Start accepts. Automaton has 2841 states and 3072 transitions. Word has length 191 [2018-10-27 10:22:42,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 10:22:42,593 INFO L481 AbstractCegarLoop]: Abstraction has 2841 states and 3072 transitions. [2018-10-27 10:22:42,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 10:22:42,594 INFO L276 IsEmpty]: Start isEmpty. Operand 2841 states and 3072 transitions. [2018-10-27 10:22:42,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-10-27 10:22:42,601 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 10:22:42,601 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 10:22:42,602 INFO L424 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 10:22:42,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 10:22:42,602 INFO L82 PathProgramCache]: Analyzing trace with hash 298332797, now seen corresponding path program 1 times [2018-10-27 10:22:42,602 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 10:22:42,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 10:22:42,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 10:22:42,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 10:22:42,604 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 10:22:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 10:22:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 10:22:42,787 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-27 10:22:43,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 10:22:43 BoogieIcfgContainer [2018-10-27 10:22:43,000 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 10:22:43,001 INFO L168 Benchmark]: Toolchain (without parser) took 73530.71 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -114.9 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-10-27 10:22:43,002 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 10:22:43,003 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.33 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. [2018-10-27 10:22:43,004 INFO L168 Benchmark]: Boogie Procedure Inliner took 214.50 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 720.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -809.1 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2018-10-27 10:22:43,005 INFO L168 Benchmark]: Boogie Preprocessor took 63.54 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-27 10:22:43,005 INFO L168 Benchmark]: RCFGBuilder took 3813.02 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. [2018-10-27 10:22:43,006 INFO L168 Benchmark]: TraceAbstraction took 68757.11 ms. Allocated memory was 2.3 GB in the beginning and 3.5 GB in the end (delta: 1.2 GB). Free memory was 2.1 GB in the beginning and 1.5 GB in the end (delta: 543.7 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2018-10-27 10:22:43,011 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 674.33 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 214.50 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 720.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -809.1 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.54 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3813.02 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 105.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 68757.11 ms. Allocated memory was 2.3 GB in the beginning and 3.5 GB in the end (delta: 1.2 GB). Free memory was 2.1 GB in the beginning and 1.5 GB in the end (delta: 543.7 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 415]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L7] int a= 1; [L8] int e= 5; [L9] int d= 4; [L10] int f= 6; [L11] int c= 3; [L14] int u = 21; [L15] int v = 22; [L16] int w = 23; [L17] int x = 24; [L18] int y = 25; [L19] int z = 26; [L22] int a25 = 0; [L23] int a11 = 0; [L24] int a28 = 7; [L25] int a19 = 1; [L26] int a21 = 1; [L27] int a17 = 8; VAL [\old(a)=24, \old(a11)=27, \old(a17)=14, \old(a19)=15, \old(a21)=18, \old(a25)=20, \old(a28)=28, \old(c)=16, \old(d)=22, \old(e)=13, \old(f)=21, \old(u)=25, \old(v)=12, \old(w)=23, \old(x)=17, \old(y)=26, \old(z)=19, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L603] int output = -1; VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, output=-1, u=21, v=22, w=23, x=24, y=25, z=26] [L606] COND TRUE 1 [L609] int input; [L610] input = __VERIFIER_nondet_int() [L611] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=4, output=-1, u=21, v=22, w=23, x=24, y=25, z=26] [L614] CALL, EXPR calculate_output(input) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L30] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L35] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L38] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L42] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L47] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L50] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L54] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L59] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L65] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L69] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L74] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L82] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L91] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L95] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L99] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L106] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L113] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L119] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L123] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L130] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L134] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L139] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L143] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L148] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L154] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L159] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L165] COND FALSE !((((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L169] COND FALSE !(((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L175] COND FALSE !(((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L179] COND FALSE !((((a21==1)&&(((a19==1)&&(((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))&&(input==4)))&&(a11==1)))&&(a17==9))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L185] COND FALSE !((((!(a11==1)&&((a17==8)&&(((input==4)&&(a19==1))&&(a28==8))))&&(a21==1))&&(a25==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L187] COND FALSE !(((a19==1)&&((((((input==4)&&(a21==1))&&(a28==9))&&!(a25==1))&&!(a11==1))&&(a17==8)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L189] COND FALSE !(((a17==8)&&((((((input==1)&&(a21==1))&&!(a11==1))&&(a19==1))&&!(a25==1))&&(a28==9)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L191] COND FALSE !((((((((input==4)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a21==1))&&(a17==8))&&(a28==10))&&(a19==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L194] COND FALSE !(((!(a25==1)&&((a11==1)&&((a28==8)&&(((a17==9)&&(input==4))&&(a19==1)))))&&(a21==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L198] COND FALSE !((!(a19==1)&&((a17==8)&&((a28==10)&&(((a25==1)&&(!(a11==1)&&(input==5)))&&(a21==1)))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L202] COND FALSE !((((((a21==1)&&((input==1)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))))&&(a17==8))&&!(a11==1))&&(a19==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L212] COND FALSE !(((a21==1)&&((((a19==1)&&((a25==1)&&((a28==11)&&(input==6))))&&!(a11==1))&&(a17==8)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L215] COND FALSE !((!(a11==1)&&((a19==1)&&((a28==10)&&(((((a25==1)||!(a25==1))&&(input==5))&&(a17==8))&&(a21==1)))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L218] COND FALSE !((((((a17==9)&&((((a25==1)||!(a25==1))&&(input==6))&&(a11==1)))&&(a19==1))&&(a21==1))&&(a28==9))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L223] COND FALSE !((((a17==8)&&(((((input==6)&&(a25==1))&&!(a19==1))&&!(a11==1))&&(a28==10)))&&(a21==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L225] COND FALSE !(((!(a19==1)&&((a17==8)&&(!(a11==1)&&((input==1)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))))&&(a21==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L232] COND FALSE !((((((((input==1)&&(a21==1))&&(a28==9))&&!(a19==1))&&!(a25==1))&&(a17==8))&&!(a11==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L234] COND TRUE ((a17==8)&&(((!(a11==1)&&((!(a25==1)&&(input==4))&&(a19==1)))&&(a28==7))&&(a21==1))) [L235] a28 = 9 [L236] RET return 23; VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L614] EXPR calculate_output(input) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, calculate_output(input)=23, d=4, e=5, f=6, input=4, output=-1, u=21, v=22, w=23, x=24, y=25, z=26] [L614] output = calculate_output(input) [L606] COND TRUE 1 [L609] int input; [L610] input = __VERIFIER_nondet_int() [L611] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, input=3, output=23, u=21, v=22, w=23, x=24, y=25, z=26] [L614] CALL, EXPR calculate_output(input) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L30] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L35] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L38] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L42] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L47] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L50] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L54] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L59] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L65] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L69] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L74] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L82] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L91] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L95] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L99] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L106] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L113] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L119] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L123] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L130] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L134] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L139] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L143] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L148] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L154] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L159] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L165] COND FALSE !((((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L169] COND FALSE !(((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L175] COND FALSE !(((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L179] COND FALSE !((((a21==1)&&(((a19==1)&&(((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))&&(input==4)))&&(a11==1)))&&(a17==9))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L185] COND FALSE !((((!(a11==1)&&((a17==8)&&(((input==4)&&(a19==1))&&(a28==8))))&&(a21==1))&&(a25==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L187] COND FALSE !(((a19==1)&&((((((input==4)&&(a21==1))&&(a28==9))&&!(a25==1))&&!(a11==1))&&(a17==8)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L189] COND FALSE !(((a17==8)&&((((((input==1)&&(a21==1))&&!(a11==1))&&(a19==1))&&!(a25==1))&&(a28==9)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L191] COND FALSE !((((((((input==4)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a21==1))&&(a17==8))&&(a28==10))&&(a19==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L194] COND FALSE !(((!(a25==1)&&((a11==1)&&((a28==8)&&(((a17==9)&&(input==4))&&(a19==1)))))&&(a21==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L198] COND FALSE !((!(a19==1)&&((a17==8)&&((a28==10)&&(((a25==1)&&(!(a11==1)&&(input==5)))&&(a21==1)))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L202] COND FALSE !((((((a21==1)&&((input==1)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))))&&(a17==8))&&!(a11==1))&&(a19==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L212] COND FALSE !(((a21==1)&&((((a19==1)&&((a25==1)&&((a28==11)&&(input==6))))&&!(a11==1))&&(a17==8)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L215] COND FALSE !((!(a11==1)&&((a19==1)&&((a28==10)&&(((((a25==1)||!(a25==1))&&(input==5))&&(a17==8))&&(a21==1)))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L218] COND FALSE !((((((a17==9)&&((((a25==1)||!(a25==1))&&(input==6))&&(a11==1)))&&(a19==1))&&(a21==1))&&(a28==9))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L223] COND FALSE !((((a17==8)&&(((((input==6)&&(a25==1))&&!(a19==1))&&!(a11==1))&&(a28==10)))&&(a21==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L225] COND FALSE !(((!(a19==1)&&((a17==8)&&(!(a11==1)&&((input==1)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))))&&(a21==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L232] COND FALSE !((((((((input==1)&&(a21==1))&&(a28==9))&&!(a19==1))&&!(a25==1))&&(a17==8))&&!(a11==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L234] COND FALSE !(((a17==8)&&(((!(a11==1)&&((!(a25==1)&&(input==4))&&(a19==1)))&&(a28==7))&&(a21==1)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L237] COND FALSE !((!(a11==1)&&(((a17==8)&&((((!(a25==1)&&(a28==11))||((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1))))&&(input==3))&&(a21==1)))&&!(a19==1)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L248] COND FALSE !(((((!(a11==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==5)))&&(a21==1))&&!(a19==1))&&(a17==8))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L253] COND FALSE !((((a17==9)&&(((((input==1)&&((a25==1)||!(a25==1)))&&(a11==1))&&(a21==1))&&(a19==1)))&&(a28==9))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L259] COND FALSE !((!(a11==1)&&((a19==1)&&(((((a28==9)&&(input==6))&&(a21==1))&&(a17==8))&&!(a25==1))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L261] COND FALSE !(((a17==9)&&((a21==1)&&((a11==1)&&(((input==3)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a19==1)))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L276] COND FALSE !(((a28==7)&&((a17==8)&&(!(a25==1)&&((a21==1)&&((a19==1)&&((input==5)&&!(a11==1)))))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L280] COND FALSE !(((a28==8)&&((a21==1)&&((!(a11==1)&&(((input==1)&&(a17==8))&&(a19==1)))&&(a25==1))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L283] COND FALSE !((((((a17==8)&&(((input==6)&&((a25==1)||!(a25==1)))&&(a21==1)))&&(a28==10))&&!(a11==1))&&(a19==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L286] COND FALSE !(((!(a11==1)&&((!(a19==1)&&(((!(a25==1)&&(a28==11))||(((a28==10)&&!(a25==1))||((a25==1)&&(a28==11))))&&(input==5)))&&(a17==8)))&&(a21==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L291] COND FALSE !(((a17==8)&&(((a21==1)&&(!(a11==1)&&((a25==1)&&((a28==8)&&(input==6)))))&&(a19==1)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L293] COND FALSE !((((a19==1)&&((a17==8)&&(((!(a25==1)&&(input==5))&&(a21==1))&&!(a11==1))))&&(a28==11))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L297] COND FALSE !(((a11==1)&&(((a17==9)&&((a28==9)&&((a19==1)&&(((a25==1)||!(a25==1))&&(input==5)))))&&(a21==1)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L309] COND FALSE !((((((((input==3)&&(a19==1))&&(a21==1))&&(a17==8))&&!(a25==1))&&(a28==11))&&!(a11==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L314] COND FALSE !(((a19==1)&&((a21==1)&&((((input==5)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a11==1))&&(a17==9))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L328] COND FALSE !((((a19==1)&&(((!(a11==1)&&(((a25==1)||!(a25==1))&&(input==3)))&&(a28==10))&&(a21==1)))&&(a17==8))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L331] COND FALSE !(((!(a11==1)&&(((((input==4)&&(a17==8))&&!(a25==1))&&(a21==1))&&(a28==11)))&&(a19==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L337] COND FALSE !((((!(a19==1)&&(((input==4)&&(((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1)))||(!(a25==1)&&(a28==11))))&&(a21==1)))&&(a17==8))&&!(a11==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L349] COND FALSE !((!(a11==1)&&(((a17==8)&&((((a25==1)&&(input==4))&&(a19==1))&&(a28==11)))&&(a21==1)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L354] COND FALSE !((((((a21==1)&&((((a28==8)&&!(a25==1))||((a28==9)&&(a25==1)))&&(input==6)))&&!(a11==1))&&!(a19==1))&&(a17==8))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L361] COND FALSE !(((a19==1)&&((((a21==1)&&((!(a25==1)&&(input==3))&&(a17==9)))&&(a28==8))&&(a11==1)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L368] COND FALSE !(((a17==8)&&(((a21==1)&&(((input==5)&&((!(a25==1)&&(a28==8))||((a28==9)&&(a25==1))))&&(a19==1)))&&!(a11==1)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L375] COND FALSE !(((a19==1)&&(((((a17==8)&&((input==5)&&!(a11==1)))&&(a21==1))&&(a25==1))&&(a28==8)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L378] COND FALSE !((((!(a11==1)&&((((a21==1)&&(input==4))&&(a28==10))&&(a17==8)))&&!(a19==1))&&(a25==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L380] COND FALSE !(((a28==8)&&(((a19==1)&&((a11==1)&&(!(a25==1)&&((a17==9)&&(input==6)))))&&(a21==1)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L389] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==6)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))&&(a17==8))&&!(a19==1)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=9, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L394] COND TRUE (((((!(a25==1)&&((a19==1)&&(input==3)))&&(a28==9))&&(a21==1))&&(a17==8))&&!(a11==1)) [L395] a19 = 0 [L396] a28 = 7 [L397] RET return 25; VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=9, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L614] EXPR calculate_output(input) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, calculate_output(input)=25, d=4, e=5, f=6, input=3, output=23, u=21, v=22, w=23, x=24, y=25, z=26] [L614] output = calculate_output(input) [L606] COND TRUE 1 [L609] int input; [L610] input = __VERIFIER_nondet_int() [L611] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=1, output=25, u=21, v=22, w=23, x=24, y=25, z=26] [L614] CALL, EXPR calculate_output(input) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L30] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L35] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L38] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L42] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L47] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L50] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L54] COND TRUE ((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1)) [L55] a28 = 7 [L56] a11 = 1 [L57] a25 = 0 [L58] RET return -1; VAL [\old(a11)=0, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L614] EXPR calculate_output(input) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, calculate_output(input)=-1, d=4, e=5, f=6, input=1, output=25, u=21, v=22, w=23, x=24, y=25, z=26] [L614] output = calculate_output(input) [L606] COND TRUE 1 [L609] int input; [L610] input = __VERIFIER_nondet_int() [L611] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=5, output=-1, u=21, v=22, w=23, x=24, y=25, z=26] [L614] CALL calculate_output(input) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L30] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L35] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L38] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L42] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L47] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L50] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L54] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L59] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L65] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L69] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L74] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L82] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L91] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L95] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L99] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L106] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L113] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L119] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L123] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L130] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L134] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L139] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L143] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L148] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L154] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L159] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L165] COND FALSE !((((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L169] COND FALSE !(((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L175] COND FALSE !(((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L179] COND FALSE !((((a21==1)&&(((a19==1)&&(((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))&&(input==4)))&&(a11==1)))&&(a17==9))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L185] COND FALSE !((((!(a11==1)&&((a17==8)&&(((input==4)&&(a19==1))&&(a28==8))))&&(a21==1))&&(a25==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L187] COND FALSE !(((a19==1)&&((((((input==4)&&(a21==1))&&(a28==9))&&!(a25==1))&&!(a11==1))&&(a17==8)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L189] COND FALSE !(((a17==8)&&((((((input==1)&&(a21==1))&&!(a11==1))&&(a19==1))&&!(a25==1))&&(a28==9)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L191] COND FALSE !((((((((input==4)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a21==1))&&(a17==8))&&(a28==10))&&(a19==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L194] COND FALSE !(((!(a25==1)&&((a11==1)&&((a28==8)&&(((a17==9)&&(input==4))&&(a19==1)))))&&(a21==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L198] COND FALSE !((!(a19==1)&&((a17==8)&&((a28==10)&&(((a25==1)&&(!(a11==1)&&(input==5)))&&(a21==1)))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L202] COND FALSE !((((((a21==1)&&((input==1)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))))&&(a17==8))&&!(a11==1))&&(a19==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L212] COND FALSE !(((a21==1)&&((((a19==1)&&((a25==1)&&((a28==11)&&(input==6))))&&!(a11==1))&&(a17==8)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L215] COND FALSE !((!(a11==1)&&((a19==1)&&((a28==10)&&(((((a25==1)||!(a25==1))&&(input==5))&&(a17==8))&&(a21==1)))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L218] COND FALSE !((((((a17==9)&&((((a25==1)||!(a25==1))&&(input==6))&&(a11==1)))&&(a19==1))&&(a21==1))&&(a28==9))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L223] COND FALSE !((((a17==8)&&(((((input==6)&&(a25==1))&&!(a19==1))&&!(a11==1))&&(a28==10)))&&(a21==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L225] COND FALSE !(((!(a19==1)&&((a17==8)&&(!(a11==1)&&((input==1)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))))&&(a21==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L232] COND FALSE !((((((((input==1)&&(a21==1))&&(a28==9))&&!(a19==1))&&!(a25==1))&&(a17==8))&&!(a11==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L234] COND FALSE !(((a17==8)&&(((!(a11==1)&&((!(a25==1)&&(input==4))&&(a19==1)))&&(a28==7))&&(a21==1)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L237] COND FALSE !((!(a11==1)&&(((a17==8)&&((((!(a25==1)&&(a28==11))||((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1))))&&(input==3))&&(a21==1)))&&!(a19==1)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L248] COND FALSE !(((((!(a11==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==5)))&&(a21==1))&&!(a19==1))&&(a17==8))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L253] COND FALSE !((((a17==9)&&(((((input==1)&&((a25==1)||!(a25==1)))&&(a11==1))&&(a21==1))&&(a19==1)))&&(a28==9))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L259] COND FALSE !((!(a11==1)&&((a19==1)&&(((((a28==9)&&(input==6))&&(a21==1))&&(a17==8))&&!(a25==1))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L261] COND FALSE !(((a17==9)&&((a21==1)&&((a11==1)&&(((input==3)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a19==1)))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L276] COND FALSE !(((a28==7)&&((a17==8)&&(!(a25==1)&&((a21==1)&&((a19==1)&&((input==5)&&!(a11==1)))))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L280] COND FALSE !(((a28==8)&&((a21==1)&&((!(a11==1)&&(((input==1)&&(a17==8))&&(a19==1)))&&(a25==1))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L283] COND FALSE !((((((a17==8)&&(((input==6)&&((a25==1)||!(a25==1)))&&(a21==1)))&&(a28==10))&&!(a11==1))&&(a19==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L286] COND FALSE !(((!(a11==1)&&((!(a19==1)&&(((!(a25==1)&&(a28==11))||(((a28==10)&&!(a25==1))||((a25==1)&&(a28==11))))&&(input==5)))&&(a17==8)))&&(a21==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L291] COND FALSE !(((a17==8)&&(((a21==1)&&(!(a11==1)&&((a25==1)&&((a28==8)&&(input==6)))))&&(a19==1)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L293] COND FALSE !((((a19==1)&&((a17==8)&&(((!(a25==1)&&(input==5))&&(a21==1))&&!(a11==1))))&&(a28==11))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L297] COND FALSE !(((a11==1)&&(((a17==9)&&((a28==9)&&((a19==1)&&(((a25==1)||!(a25==1))&&(input==5)))))&&(a21==1)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L309] COND FALSE !((((((((input==3)&&(a19==1))&&(a21==1))&&(a17==8))&&!(a25==1))&&(a28==11))&&!(a11==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L314] COND FALSE !(((a19==1)&&((a21==1)&&((((input==5)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a11==1))&&(a17==9))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L328] COND FALSE !((((a19==1)&&(((!(a11==1)&&(((a25==1)||!(a25==1))&&(input==3)))&&(a28==10))&&(a21==1)))&&(a17==8))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L331] COND FALSE !(((!(a11==1)&&(((((input==4)&&(a17==8))&&!(a25==1))&&(a21==1))&&(a28==11)))&&(a19==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L337] COND FALSE !((((!(a19==1)&&(((input==4)&&(((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1)))||(!(a25==1)&&(a28==11))))&&(a21==1)))&&(a17==8))&&!(a11==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L349] COND FALSE !((!(a11==1)&&(((a17==8)&&((((a25==1)&&(input==4))&&(a19==1))&&(a28==11)))&&(a21==1)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L354] COND FALSE !((((((a21==1)&&((((a28==8)&&!(a25==1))||((a28==9)&&(a25==1)))&&(input==6)))&&!(a11==1))&&!(a19==1))&&(a17==8))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L361] COND FALSE !(((a19==1)&&((((a21==1)&&((!(a25==1)&&(input==3))&&(a17==9)))&&(a28==8))&&(a11==1)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L368] COND FALSE !(((a17==8)&&(((a21==1)&&(((input==5)&&((!(a25==1)&&(a28==8))||((a28==9)&&(a25==1))))&&(a19==1)))&&!(a11==1)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L375] COND FALSE !(((a19==1)&&(((((a17==8)&&((input==5)&&!(a11==1)))&&(a21==1))&&(a25==1))&&(a28==8)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L378] COND FALSE !((((!(a11==1)&&((((a21==1)&&(input==4))&&(a28==10))&&(a17==8)))&&!(a19==1))&&(a25==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L380] COND FALSE !(((a28==8)&&(((a19==1)&&((a11==1)&&(!(a25==1)&&((a17==9)&&(input==6)))))&&(a21==1)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L389] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==6)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))&&(a17==8))&&!(a19==1)))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L394] COND FALSE !((((((!(a25==1)&&((a19==1)&&(input==3)))&&(a28==9))&&(a21==1))&&(a17==8))&&!(a11==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L398] COND FALSE !((((a17==8)&&((((input==4)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9))))&&(a21==1))&&!(a19==1)))&&!(a11==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L402] COND FALSE !((((!(a11==1)&&((((a19==1)&&(input==5))&&(a17==8))&&(a21==1)))&&(a28==9))&&!(a25==1))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L404] COND FALSE !((((a11==1)&&((a19==1)&&((a21==1)&&(((a17==9)&&(input==5))&&!(a25==1)))))&&(a28==8))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L407] COND FALSE !((!(a11==1)&&((a21==1)&&(((a19==1)&&((a17==8)&&((a25==1)&&(input==5))))&&(a28==11))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L409] COND FALSE !(((a19==1)&&((a17==8)&&(((((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))&&!(a11==1))&&(a21==1))))) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L414] COND TRUE (((((!(a25==1)&&(a11==1))&&(a28==7))&&!(a19==1))&&(a21==1))&&(a17==8)) VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L415] __VERIFIER_error() VAL [\old(a11)=1, \old(a17)=8, \old(a19)=0, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=8, a19=0, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. UNSAFE Result, 68.6s OverallTime, 11 OverallIterations, 5 TraceHistogramMax, 52.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1593 SDtfs, 8336 SDslu, 1304 SDs, 0 SdLazy, 10116 SolverSat, 1781 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.0s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1513 GetRequests, 1359 SyntacticMatches, 11 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 712 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3045occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.6s AbstIntTime, 6 AbstIntIterations, 3 AbstIntStrong, 0.9956988692282817 AbsIntWeakeningRatio, 0.2867132867132867 AbsIntAvgWeakeningVarsNumRemoved, 15.321678321678322 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 1091 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 2004 NumberOfCodeBlocks, 2004 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2225 ConstructedInterpolants, 0 QuantifiedInterpolants, 825193 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1316 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 16 InterpolantComputations, 6 PerfectInterpolantSequences, 976/1128 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...