/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:28:01,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:28:01,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:28:01,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:28:01,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:28:01,409 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:28:01,411 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:28:01,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:28:01,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:28:01,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:28:01,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:28:01,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:28:01,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:28:01,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:28:01,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:28:01,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:28:01,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:28:01,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:28:01,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:28:01,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:28:01,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:28:01,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:28:01,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:28:01,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:28:01,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:28:01,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:28:01,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:28:01,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:28:01,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:28:01,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:28:01,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:28:01,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:28:01,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:28:01,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:28:01,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:28:01,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:28:01,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:28:01,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:28:01,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:28:01,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:28:01,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:28:01,470 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:28:01,504 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:28:01,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:28:01,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:28:01,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:28:01,506 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:28:01,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:28:01,507 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:28:01,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:28:01,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:28:01,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:28:01,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:28:01,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:28:01,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:28:01,508 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:28:01,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:28:01,509 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:28:01,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:28:01,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:28:01,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:28:01,510 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:28:01,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:28:01,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:28:01,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:28:01,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:28:01,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:28:01,511 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:28:01,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:28:01,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:28:01,511 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:28:01,512 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:28:01,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:28:01,990 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:28:01,996 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:28:01,998 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:28:01,999 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:28:02,000 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label36.c [2020-09-21 11:28:02,072 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2eb37bd2d/1a71e07e163c4b8c855e4f663b6ab832/FLAG1f19b5c60 [2020-09-21 11:28:02,692 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:28:02,693 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem11_label36.c [2020-09-21 11:28:02,723 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2eb37bd2d/1a71e07e163c4b8c855e4f663b6ab832/FLAG1f19b5c60 [2020-09-21 11:28:02,939 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2eb37bd2d/1a71e07e163c4b8c855e4f663b6ab832 [2020-09-21 11:28:02,952 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:28:02,958 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:28:02,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:28:02,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:28:02,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:28:02,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:28:02" (1/1) ... [2020-09-21 11:28:02,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6cae7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:02, skipping insertion in model container [2020-09-21 11:28:02,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:28:02" (1/1) ... [2020-09-21 11:28:02,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:28:03,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:28:03,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:28:03,820 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:28:04,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:28:04,153 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:28:04,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:04 WrapperNode [2020-09-21 11:28:04,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:28:04,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:28:04,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:28:04,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:28:04,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:04" (1/1) ... [2020-09-21 11:28:04,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:04" (1/1) ... [2020-09-21 11:28:04,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:04" (1/1) ... [2020-09-21 11:28:04,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:04" (1/1) ... [2020-09-21 11:28:04,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:04" (1/1) ... [2020-09-21 11:28:04,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:04" (1/1) ... [2020-09-21 11:28:04,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:04" (1/1) ... [2020-09-21 11:28:04,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:28:04,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:28:04,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:28:04,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:28:04,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:04" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:28:04,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:28:04,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:28:04,464 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 11:28:04,464 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:28:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 11:28:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:28:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:28:04,465 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 11:28:04,465 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:28:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:28:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:28:06,336 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:28:06,336 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 11:28:06,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:28:06 BoogieIcfgContainer [2020-09-21 11:28:06,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:28:06,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:28:06,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:28:06,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:28:06,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:28:02" (1/3) ... [2020-09-21 11:28:06,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4da13bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:28:06, skipping insertion in model container [2020-09-21 11:28:06,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:28:04" (2/3) ... [2020-09-21 11:28:06,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4da13bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:28:06, skipping insertion in model container [2020-09-21 11:28:06,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:28:06" (3/3) ... [2020-09-21 11:28:06,355 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label36.c [2020-09-21 11:28:06,368 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:28:06,379 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:28:06,401 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:28:06,434 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:28:06,435 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:28:06,435 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:28:06,435 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:28:06,435 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:28:06,435 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:28:06,436 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:28:06,436 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:28:06,464 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2020-09-21 11:28:06,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-09-21 11:28:06,473 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:06,474 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:06,475 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:06,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:06,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1754233962, now seen corresponding path program 1 times [2020-09-21 11:28:06,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:06,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [640206004] [2020-09-21 11:28:06,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:06,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:06,745 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:06,746 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:06,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:06,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:28:06,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:06,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-21 11:28:06,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:06,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:28:06,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:28:06,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 11:28:06,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 31 [2020-09-21 11:28:06,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:06,972 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:06,972 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:06,972 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:06,973 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:06,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:06,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:06,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:28:06,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:06,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:06,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:06,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:28:06,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:07,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:28:07,010 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [640206004] [2020-09-21 11:28:07,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:28:07,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:28:07,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014516717] [2020-09-21 11:28:07,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:28:07,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:07,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:28:07,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:28:07,042 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2020-09-21 11:28:09,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:09,523 INFO L93 Difference]: Finished difference Result 791 states and 1386 transitions. [2020-09-21 11:28:09,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:28:09,525 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-09-21 11:28:09,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:09,549 INFO L225 Difference]: With dead ends: 791 [2020-09-21 11:28:09,549 INFO L226 Difference]: Without dead ends: 434 [2020-09-21 11:28:09,558 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:09,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-09-21 11:28:09,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 430. [2020-09-21 11:28:09,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-09-21 11:28:09,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 618 transitions. [2020-09-21 11:28:09,651 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 618 transitions. Word has length 19 [2020-09-21 11:28:09,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:09,652 INFO L479 AbstractCegarLoop]: Abstraction has 430 states and 618 transitions. [2020-09-21 11:28:09,652 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:28:09,652 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 618 transitions. [2020-09-21 11:28:09,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-09-21 11:28:09,657 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:09,657 INFO L422 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] [2020-09-21 11:28:09,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:28:09,658 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:09,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:09,658 INFO L82 PathProgramCache]: Analyzing trace with hash 861223722, now seen corresponding path program 1 times [2020-09-21 11:28:09,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:09,659 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [6983639] [2020-09-21 11:28:09,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:09,889 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:09,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:09,889 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:09,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:09,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-09-21 11:28:09,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:09,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-09-21 11:28:09,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:09,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:28:09,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:28:09,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 11:28:09,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:09,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:09,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:09,969 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:09,970 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:09,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:09,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:09,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:09,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:28:09,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:09,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:09,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:09,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:28:09,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:09,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:10,050 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:10,050 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:10,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:10,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:10,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:28:10,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:10,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 11:28:10,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:10,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:10,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:10,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-21 11:28:10,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:10,145 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:28:10,146 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [6983639] [2020-09-21 11:28:10,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:28:10,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:28:10,147 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87660296] [2020-09-21 11:28:10,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:28:10,149 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:10,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:28:10,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:28:10,150 INFO L87 Difference]: Start difference. First operand 430 states and 618 transitions. Second operand 8 states. [2020-09-21 11:28:14,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:14,003 INFO L93 Difference]: Finished difference Result 1664 states and 2471 transitions. [2020-09-21 11:28:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:28:14,004 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 91 [2020-09-21 11:28:14,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:14,014 INFO L225 Difference]: With dead ends: 1664 [2020-09-21 11:28:14,014 INFO L226 Difference]: Without dead ends: 1240 [2020-09-21 11:28:14,016 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:28:14,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2020-09-21 11:28:14,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1208. [2020-09-21 11:28:14,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2020-09-21 11:28:14,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1689 transitions. [2020-09-21 11:28:14,098 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1689 transitions. Word has length 91 [2020-09-21 11:28:14,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:14,099 INFO L479 AbstractCegarLoop]: Abstraction has 1208 states and 1689 transitions. [2020-09-21 11:28:14,099 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:28:14,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1689 transitions. [2020-09-21 11:28:14,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-09-21 11:28:14,107 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:14,108 INFO L422 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] [2020-09-21 11:28:14,108 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:28:14,108 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:14,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:14,108 INFO L82 PathProgramCache]: Analyzing trace with hash -2108634866, now seen corresponding path program 1 times [2020-09-21 11:28:14,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:14,109 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [89108704] [2020-09-21 11:28:14,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:14,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:14,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:14,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:14,255 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:14,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-09-21 11:28:14,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:14,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-21 11:28:14,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:14,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:28:14,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:28:14,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-21 11:28:14,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:14,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:14,388 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:14,388 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:14,389 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:14,389 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:14,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:14,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:14,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:28:14,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:14,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:14,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:14,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:28:14,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:14,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:14,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:14,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:14,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:14,520 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:14,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-21 11:28:14,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:14,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-21 11:28:14,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:14,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:14,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:28:14,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-21 11:28:14,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:28:14,649 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:28:14,650 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [89108704] [2020-09-21 11:28:14,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:28:14,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:28:14,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300925563] [2020-09-21 11:28:14,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:28:14,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:14,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:28:14,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:28:14,652 INFO L87 Difference]: Start difference. First operand 1208 states and 1689 transitions. Second operand 7 states. [2020-09-21 11:28:17,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:17,321 INFO L93 Difference]: Finished difference Result 3037 states and 4218 transitions. [2020-09-21 11:28:17,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:28:17,322 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2020-09-21 11:28:17,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:17,333 INFO L225 Difference]: With dead ends: 3037 [2020-09-21 11:28:17,333 INFO L226 Difference]: Without dead ends: 1835 [2020-09-21 11:28:17,337 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:28:17,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1835 states. [2020-09-21 11:28:17,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1835 to 1808. [2020-09-21 11:28:17,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1808 states. [2020-09-21 11:28:17,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 1808 states and 2358 transitions. [2020-09-21 11:28:17,402 INFO L78 Accepts]: Start accepts. Automaton has 1808 states and 2358 transitions. Word has length 93 [2020-09-21 11:28:17,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:17,403 INFO L479 AbstractCegarLoop]: Abstraction has 1808 states and 2358 transitions. [2020-09-21 11:28:17,403 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:28:17,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1808 states and 2358 transitions. [2020-09-21 11:28:17,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-09-21 11:28:17,406 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:17,406 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:17,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:28:17,407 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:17,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:17,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1057735618, now seen corresponding path program 1 times [2020-09-21 11:28:17,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:17,408 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [171834882] [2020-09-21 11:28:17,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:17,532 FATAL L256 erpolLogProxyWrapper]: Difference in size: 6 [2020-09-21 11:28:17,532 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -135 [2020-09-21 11:28:17,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 135 [2020-09-21 11:28:17,533 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:17,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-09-21 11:28:17,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:17,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-21 11:28:17,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:17,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:17,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 141 [2020-09-21 11:28:17,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-21 11:28:17,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:17,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:17,619 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:17,619 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:17,620 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:17,620 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:17,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:17,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:17,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:17,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:17,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:17,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:17,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:17,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:17,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:17,683 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:17,683 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:17,683 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:17,683 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:17,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-21 11:28:17,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:17,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:28:17,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:17,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:17,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:17,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-09-21 11:28:17,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:17,787 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:28:17,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [171834882] [2020-09-21 11:28:17,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:17,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:28:17,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200303025] [2020-09-21 11:28:17,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:28:17,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:17,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:28:17,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:17,790 INFO L87 Difference]: Start difference. First operand 1808 states and 2358 transitions. Second operand 5 states. [2020-09-21 11:28:19,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:19,990 INFO L93 Difference]: Finished difference Result 4784 states and 6525 transitions. [2020-09-21 11:28:19,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:28:19,990 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2020-09-21 11:28:19,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:20,007 INFO L225 Difference]: With dead ends: 4784 [2020-09-21 11:28:20,007 INFO L226 Difference]: Without dead ends: 3170 [2020-09-21 11:28:20,012 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:28:20,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3170 states. [2020-09-21 11:28:20,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3170 to 2973. [2020-09-21 11:28:20,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2973 states. [2020-09-21 11:28:20,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2973 states to 2973 states and 4034 transitions. [2020-09-21 11:28:20,096 INFO L78 Accepts]: Start accepts. Automaton has 2973 states and 4034 transitions. Word has length 150 [2020-09-21 11:28:20,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:20,097 INFO L479 AbstractCegarLoop]: Abstraction has 2973 states and 4034 transitions. [2020-09-21 11:28:20,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:28:20,097 INFO L276 IsEmpty]: Start isEmpty. Operand 2973 states and 4034 transitions. [2020-09-21 11:28:20,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-09-21 11:28:20,102 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:20,103 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:20,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:28:20,103 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:20,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:20,104 INFO L82 PathProgramCache]: Analyzing trace with hash -679780172, now seen corresponding path program 1 times [2020-09-21 11:28:20,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:20,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1576151145] [2020-09-21 11:28:20,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:20,212 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:20,212 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:20,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:20,213 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:20,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-09-21 11:28:20,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:20,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 11:28:20,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:20,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:28:20,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 203 [2020-09-21 11:28:20,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 11:28:20,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:20,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:28:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:20,308 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:20,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:20,309 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:20,309 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:20,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:28:20,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:20,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:20,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:20,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:20,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:20,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:20,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:20,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:28:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:20,335 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:20,335 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:20,335 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:20,335 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:20,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-09-21 11:28:20,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:20,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:28:20,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:20,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:28:20,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:20,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:28:20,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:20,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-21 11:28:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:28:20,428 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:28:20,429 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:28:20,429 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:28:20,429 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:28:20,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-21 11:28:20,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:28:20,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:28:20,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:28:20,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:28:20,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:28:20,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-21 11:28:20,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:28:20,585 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-09-21 11:28:20,589 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1576151145] [2020-09-21 11:28:20,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:28:20,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-21 11:28:20,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987156706] [2020-09-21 11:28:20,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:28:20,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:28:20,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:28:20,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:28:20,592 INFO L87 Difference]: Start difference. First operand 2973 states and 4034 transitions. Second operand 5 states. [2020-09-21 11:28:22,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:28:22,817 INFO L93 Difference]: Finished difference Result 6707 states and 9220 transitions. [2020-09-21 11:28:22,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:28:22,818 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 209 [2020-09-21 11:28:22,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:28:22,844 INFO L225 Difference]: With dead ends: 6707 [2020-09-21 11:28:22,844 INFO L226 Difference]: Without dead ends: 3928 [2020-09-21 11:28:22,851 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:28:22,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3928 states. [2020-09-21 11:28:22,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3928 to 3733. [2020-09-21 11:28:22,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3733 states. [2020-09-21 11:28:22,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3733 states to 3733 states and 5111 transitions. [2020-09-21 11:28:22,965 INFO L78 Accepts]: Start accepts. Automaton has 3733 states and 5111 transitions. Word has length 209 [2020-09-21 11:28:22,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:28:22,966 INFO L479 AbstractCegarLoop]: Abstraction has 3733 states and 5111 transitions. [2020-09-21 11:28:22,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:28:22,966 INFO L276 IsEmpty]: Start isEmpty. Operand 3733 states and 5111 transitions. [2020-09-21 11:28:22,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-09-21 11:28:22,970 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:28:22,970 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:28:22,971 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:28:22,971 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:28:22,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:28:22,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1256737112, now seen corresponding path program 1 times [2020-09-21 11:28:22,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:28:22,972 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [842229234] [2020-09-21 11:28:22,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:28:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-21 11:28:23,061 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-21 11:28:23,062 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-21 11:28:23,068 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:28:23,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:28:23 BoogieIcfgContainer [2020-09-21 11:28:23,124 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:28:23,128 INFO L168 Benchmark]: Toolchain (without parser) took 20172.83 ms. Allocated memory was 146.8 MB in the beginning and 458.2 MB in the end (delta: 311.4 MB). Free memory was 98.8 MB in the beginning and 322.2 MB in the end (delta: -223.4 MB). Peak memory consumption was 88.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:23,130 INFO L168 Benchmark]: CDTParser took 0.84 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 11:28:23,133 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1196.12 ms. Allocated memory was 146.8 MB in the beginning and 209.7 MB in the end (delta: 62.9 MB). Free memory was 98.2 MB in the beginning and 162.8 MB in the end (delta: -64.6 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:23,142 INFO L168 Benchmark]: Boogie Preprocessor took 211.25 ms. Allocated memory is still 209.7 MB. Free memory was 162.8 MB in the beginning and 154.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:23,143 INFO L168 Benchmark]: RCFGBuilder took 1977.36 ms. Allocated memory was 209.7 MB in the beginning and 242.2 MB in the end (delta: 32.5 MB). Free memory was 154.7 MB in the beginning and 99.8 MB in the end (delta: 54.9 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:23,143 INFO L168 Benchmark]: TraceAbstraction took 16778.28 ms. Allocated memory was 242.2 MB in the beginning and 458.2 MB in the end (delta: 216.0 MB). Free memory was 99.8 MB in the beginning and 322.2 MB in the end (delta: -222.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:28:23,150 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1196.12 ms. Allocated memory was 146.8 MB in the beginning and 209.7 MB in the end (delta: 62.9 MB). Free memory was 98.2 MB in the beginning and 162.8 MB in the end (delta: -64.6 MB). Peak memory consumption was 42.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 211.25 ms. Allocated memory is still 209.7 MB. Free memory was 162.8 MB in the beginning and 154.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1977.36 ms. Allocated memory was 209.7 MB in the beginning and 242.2 MB in the end (delta: 32.5 MB). Free memory was 154.7 MB in the beginning and 99.8 MB in the end (delta: 54.9 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16778.28 ms. Allocated memory was 242.2 MB in the beginning and 458.2 MB in the end (delta: 216.0 MB). Free memory was 99.8 MB in the beginning and 322.2 MB in the end (delta: -222.4 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 45]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L7] int inputA = 1; [L8] int inputD = 4; [L9] int inputB = 2; [L10] int inputE = 5; [L11] int inputF = 6; [L12] int inputC = 3; [L15] int a29 = 130; [L16] int a4 = 1; [L17] int a23 = 312; [L18] int a8 = 15; [L19] int a25 = 10; [L20] int a3 = 1; [L1031] int output = -1; [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL, EXPR calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L32] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L35] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L38] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L41] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L44] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L47] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L50] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L53] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L56] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L59] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L62] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L65] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L68] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L71] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L74] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L77] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L80] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L83] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L86] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L89] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L92] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L95] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L98] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L101] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L104] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L107] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L110] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L113] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L116] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L119] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L122] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L125] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L128] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L131] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L134] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L137] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L140] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L143] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L146] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L149] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L152] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L155] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L158] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L161] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L164] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L167] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L170] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L173] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L176] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L179] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L182] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L185] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L188] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L191] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L194] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L197] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L200] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L203] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L207] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L214] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L221] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L227] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L233] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L240] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L247] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L254] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L260] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L265] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L268] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L275] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L280] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L287] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L294] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L299] COND FALSE !(( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) ))) [L305] COND FALSE !(((((a8==15) && ( a29 <= 140 && ( a23 <= -43 && ((input == 2) && ((a25==10) || (a25==11)))))) && !(a4==1)) && (a3==1))) [L310] COND FALSE !(((a3==1) && ( ((245 < a29) && (277 >= a29)) && (((a4==1) && ((a8==15) && ((((a25==11) || (a25==12)) || (a25==13)) && (input == 5)))) && 306 < a23 )))) [L317] COND FALSE !(((((a8==15) && (((a4==1) && ((input == 2) && ((a25==13) || ((a25==11) || (a25==12))))) && ((245 < a29) && (277 >= a29)) )) && 306 < a23 ) && (a3==1))) [L322] COND FALSE !((( 306 < a23 && ((a8==15) && ((((input == 6) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a4==1))) [L329] COND FALSE !(((((a8==15) && (((((a25==11) || (a25==12)) && (input == 4)) && 306 < a23 ) && (a3==1))) && (a4==1)) && ((140 < a29) && (245 >= a29)) )) [L334] COND FALSE !(( a23 <= -43 && ( ((140 < a29) && (245 >= a29)) && (((a8==15) && (((input == 4) && ((a25==11) || ((a25==9) || (a25==10)))) && !(a4==1))) && (a3==1))))) [L340] COND FALSE !((((((((((a25==12) && ((245 < a29) && (277 >= a29)) ) || ((a25==13) && ((245 < a29) && (277 >= a29)) )) || ( 277 < a29 && (a25==9))) && (input == 1)) && a23 <= -43 ) && (a8==15)) && !(a4==1)) && (a3==1))) [L346] COND FALSE !((!(a4==1) && ( a29 <= 140 && ((((((a25==12) || (a25==13)) && (input == 2)) && a23 <= -43 ) && (a3==1)) && (a8==15))))) [L353] COND FALSE !(((a8==15) && (( 306 < a23 && ((a3==1) && ((input == 4) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))))) && (a4==1)))) [L358] COND FALSE !(((((input == 3) && (( a23 <= -43 && ((!(a4==1) && a29 <= 140 ) && (a25==9))) || (( 306 < a23 && (( 277 < a29 && (a4==1)) && (a25==12))) || ((((a4==1) && 277 < a29 ) && (a25==13)) && 306 < a23 )))) && (a3==1)) && (a8==15))) [L365] COND FALSE !(( 306 < a23 && ((a4==1) && (((((((a25==11) || (a25==12)) || (a25==13)) && (input == 3)) && (a8==15)) && (a3==1)) && ((245 < a29) && (277 >= a29)) )))) [L370] COND FALSE !(( ((245 < a29) && (277 >= a29)) && (((((!(a4==1) && (input == 6)) && (a3==1)) && (a25==11)) && (a8==15)) && a23 <= -43 ))) [L377] COND FALSE !((( ((-43 < a23) && (138 >= a23)) && (((a8==15) && ((input == 2) && ((( a29 <= 140 && (a25==13)) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ((a25==10) && ((140 < a29) && (245 >= a29)) )))) && (a3==1))) && !(a4==1))) [L384] COND FALSE !(( a29 <= 140 && ((a8==15) && ((((((a25==10) || (a25==11)) && (input == 3)) && a23 <= -43 ) && (a3==1)) && !(a4==1))))) [L391] COND FALSE !((((((a8==15) && (((input == 3) && (((a25==10) || (a25==11)) || (a25==12))) && (a3==1))) && a23 <= -43 ) && !(a4==1)) && 277 < a29 )) [L398] COND FALSE !(((!(a4==1) && ((a25==9) && ((a8==15) && ((a3==1) && ( ((-43 < a23) && (138 >= a23)) && (input == 1)))))) && a29 <= 140 )) [L411] COND FALSE !(((a8==15) && ((( 306 < a23 && (((((a25==11) || (a25==12)) || (a25==13)) && (input == 6)) && ((245 < a29) && (277 >= a29)) )) && (a4==1)) && (a3==1)))) [L417] COND FALSE !((((((!(a4==1) && ((a8==15) && (input == 2))) && (a3==1)) && ((140 < a29) && (245 >= a29)) ) && (a25==12)) && a23 <= -43 )) [L422] COND FALSE !(( a23 <= -43 && (( a29 <= 140 && ((a8==15) && (!(a4==1) && (((a25==12) || (a25==13)) && (input == 3))))) && (a3==1)))) [L429] COND FALSE !(((((((input == 6) && ((((a25==13) && a29 <= 140 ) || ( ((140 < a29) && (245 >= a29)) && (a25==9))) || ( ((140 < a29) && (245 >= a29)) && (a25==10)))) && (a8==15)) && (a3==1)) && !(a4==1)) && ((-43 < a23) && (138 >= a23)) )) [L436] COND FALSE !(((!(a4==1) && (((((a3==1) && (input == 4)) && (a25==11)) && ((245 < a29) && (277 >= a29)) ) && a23 <= -43 )) && (a8==15))) [L443] COND FALSE !(((a3==1) && ( ((140 < a29) && (245 >= a29)) && ( a23 <= -43 && ((a8==15) && (!(a4==1) && ((((a25==9) || (a25==10)) || (a25==11)) && (input == 3)))))))) [L450] COND FALSE !(((((!(a4==1) && (((((a25==10) || (a25==11)) || (a25==12)) && (input == 4)) && 277 < a29 )) && a23 <= -43 ) && (a8==15)) && (a3==1))) [L456] COND FALSE !(( ((140 < a29) && (245 >= a29)) && ((a8==15) && (((a25==12) && (!(a4==1) && ( a23 <= -43 && (input == 4)))) && (a3==1))))) [L463] COND FALSE !(((a3==1) && ((((((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || (((a25==9) && (!(a4==1) && a29 <= 140 )) && a23 <= -43 )) && (input == 2)) && (a8==15)))) [L470] COND FALSE !(((((input == 5) && (((((a25==12) && ((a4==1) && 277 < a29 )) && 306 < a23 ) || ((( 277 < a29 && (a4==1)) && (a25==13)) && 306 < a23 )) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 ))) && (a8==15)) && (a3==1))) [L477] COND FALSE !(((a25==12) && (((a3==1) && ((((input == 1) && a23 <= -43 ) && ((140 < a29) && (245 >= a29)) ) && !(a4==1))) && (a8==15)))) [L487] COND FALSE !((((a8==15) && (( ((-43 < a23) && (138 >= a23)) && ((input == 1) && (( ((140 < a29) && (245 >= a29)) && (a25==10)) || (((a25==13) && a29 <= 140 ) || ((a25==9) && ((140 < a29) && (245 >= a29)) ))))) && (a3==1))) && !(a4==1))) [L500] COND FALSE !(((a3==1) && ((a8==15) && (((((( ((140 < a29) && (245 >= a29)) && (a25==13)) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 3)) && !(a4==1)) && a23 <= -43 )))) [L507] COND FALSE !((( a29 <= 140 && ( ((-43 < a23) && (138 >= a23)) && ((a3==1) && ((a8==15) && (((a25==12) || ((a25==10) || (a25==11))) && (input == 2)))))) && !(a4==1))) [L514] COND FALSE !((((a4==1) && ( 306 < a23 && ((((input == 3) && ((a25==9) || (a25==10))) && ((140 < a29) && (245 >= a29)) ) && (a3==1)))) && (a8==15))) [L526] COND TRUE ((a4==1) && ((((a3==1) && ( 306 < a23 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 4)))) && a29 <= 140 ) && (a8==15))) [L527] a29 = (((((a29 % 52)- -193) * 5) % 52)- -169) [L528] a25 = 12 [L530] return 26; [L1042] RET, EXPR calculate_output(input) [L1042] output = calculate_output(input) [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL, EXPR calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L32] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L35] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L38] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L41] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L44] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L47] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L50] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L53] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L56] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L59] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L62] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L65] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L68] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L71] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L74] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L77] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L80] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L83] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L86] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L89] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L92] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L95] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L98] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L101] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L104] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L107] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L110] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L113] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L116] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L119] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L122] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L125] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L128] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L131] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L134] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L137] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L140] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L143] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L146] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L149] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L152] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L155] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L158] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L161] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==12)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L164] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L167] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L170] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==12)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L173] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L176] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L179] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L182] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && 306 < a23 ) && (a8==15))) [L185] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L188] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L191] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L194] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L197] COND FALSE !(((((( ((140 < a29) && (245 >= a29)) && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L200] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L203] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==9)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L207] COND FALSE !((( ((140 < a29) && (245 >= a29)) && ((a25==12) && ( a23 <= -43 && ((a8==15) && ((input == 6) && (a3==1)))))) && !(a4==1))) [L214] COND FALSE !((!(a4==1) && (((a3==1) && ((((((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )) || ( ((245 < a29) && (277 >= a29)) && (a25==10))) && (input == 4)) && a23 <= -43 )) && (a8==15)))) [L221] COND FALSE !(((a25==11) && (!(a4==1) && (((((input == 2) && (a3==1)) && a23 <= -43 ) && (a8==15)) && ((245 < a29) && (277 >= a29)) )))) [L227] COND FALSE !(((( a29 <= 140 && ((a3==1) && (((input == 5) && (a25==13)) && (a4==1)))) && (a8==15)) && 306 < a23 )) [L233] COND FALSE !((((a8==15) && (((((((a4==1) && 277 < a29 ) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && (((a4==1) && 277 < a29 ) && (a25==13)))) || ((( a29 <= 140 && !(a4==1)) && (a25==9)) && a23 <= -43 )) && (input == 6))) && (a3==1))) [L240] COND FALSE !(((((input == 4) && (( a23 <= -43 && ((a25==9) && (!(a4==1) && a29 <= 140 ))) || (((( 277 < a29 && (a4==1)) && (a25==12)) && 306 < a23 ) || ( 306 < a23 && ((a25==13) && ( 277 < a29 && (a4==1))))))) && (a8==15)) && (a3==1))) [L247] COND FALSE !((((a3==1) && (!(a4==1) && (( a29 <= 140 && ((input == 1) && ((a25==12) || ((a25==10) || (a25==11))))) && ((-43 < a23) && (138 >= a23)) ))) && (a8==15))) [L254] COND FALSE !(((( ((245 < a29) && (277 >= a29)) && (( a23 <= -43 && (!(a4==1) && (input == 1))) && (a25==11))) && (a8==15)) && (a3==1))) [L260] COND FALSE !(((((a4==1) && (((input == 1) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (((a25==13) && ((140 < a29) && (245 >= a29)) ) || ((a25==9) && ((245 < a29) && (277 >= a29)) )))) && (a8==15))) && 306 < a23 ) && (a3==1))) [L265] COND FALSE !((( 277 < a29 && (((a8==15) && ( a23 <= -43 && ((input == 2) && (a3==1)))) && !(a4==1))) && (a25==13))) [L268] COND FALSE !(( a29 <= 140 && ((((a8==15) && ((a3==1) && ((input == 1) && ((a25==12) || (a25==13))))) && !(a4==1)) && a23 <= -43 ))) [L275] COND FALSE !((((a4==1) && ((a8==15) && (((a3==1) && (((a25==9) || (a25==10)) && (input == 5))) && ((140 < a29) && (245 >= a29)) ))) && 306 < a23 )) [L280] COND FALSE !(((a3==1) && (((((input == 5) && (( ((245 < a29) && (277 >= a29)) && (a25==10)) || (( ((140 < a29) && (245 >= a29)) && (a25==13)) || ( ((245 < a29) && (277 >= a29)) && (a25==9))))) && (a8==15)) && !(a4==1)) && a23 <= -43 ))) [L287] COND FALSE !(((a8==15) && ((((!(a4==1) && (((a25==12) || (a25==13)) && (input == 4))) && a23 <= -43 ) && a29 <= 140 ) && (a3==1)))) [L294] COND FALSE !(((a8==15) && (!(a4==1) && ( a23 <= -43 && ((a3==1) && ( 277 < a29 && (((a25==12) || ((a25==10) || (a25==11))) && (input == 6)))))))) [L299] COND TRUE ( 306 < a23 && (((a8==15) && ((a3==1) && ((a4==1) && (((a25==11) || (a25==12)) && (input == 6))))) && ((140 < a29) && (245 >= a29)) )) [L300] a29 = ((((a29 + 107715) * 10)/ 9) - -27123) [L301] a23 = ((((a23 % 90)+ -31) - 5) + 32) [L302] a25 = 11 [L304] return -1; [L1042] RET, EXPR calculate_output(input) [L1042] output = calculate_output(input) [L1034] COND TRUE 1 [L1037] int input; [L1038] input = __VERIFIER_nondet_int() [L1039] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L1042] CALL calculate_output(input) [L23] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && a23 <= -43 ) && (a8==15))) [L26] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L29] COND FALSE !(((((( 277 < a29 && (a4==1)) && (a25==9)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L32] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==10)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15))) [L35] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==9)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L38] COND FALSE !(((((( ((245 < a29) && (277 >= a29)) && (a4==1)) && (a25==11)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L41] COND FALSE !(((((( a29 <= 140 && (a4==1)) && (a25==13)) && (a3==1)) && ((138 < a23) && (306 >= a23)) ) && (a8==15))) [L44] COND TRUE ((((( 277 < a29 && (a4==1)) && (a25==11)) && (a3==1)) && ((-43 < a23) && (138 >= a23)) ) && (a8==15)) [L45] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 16.6s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 13.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 218 SDtfs, 3732 SDslu, 346 SDs, 0 SdLazy, 5715 SolverSat, 1249 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3733occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 5 MinimizatonAttempts, 455 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 781 NumberOfCodeBlocks, 781 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 557 ConstructedInterpolants, 0 QuantifiedInterpolants, 179043 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 131/134 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...