/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/recursive-simple/fibo_2calls_6-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:21:11,401 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:21:11,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:21:11,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:21:11,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:21:11,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:21:11,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:21:11,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:21:11,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:21:11,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:21:11,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:21:11,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:21:11,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:21:11,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:21:11,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:21:11,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:21:11,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:21:11,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:21:11,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:21:11,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:21:11,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:21:11,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:21:11,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:21:11,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:21:11,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:21:11,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:21:11,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:21:11,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:21:11,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:21:11,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:21:11,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:21:11,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:21:11,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:21:11,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:21:11,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:21:11,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:21:11,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:21:11,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:21:11,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:21:11,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:21:11,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:21:11,489 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 11:21:11,553 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:21:11,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:21:11,555 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:21:11,555 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:21:11,555 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:21:11,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:21:11,555 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:21:11,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:21:11,557 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:21:11,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:21:11,557 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:21:11,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:21:11,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:21:11,558 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:21:11,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:21:11,558 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:21:11,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:21:11,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:21:11,560 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:21:11,561 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:21:11,561 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:21:11,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:21:11,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:21:11,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:21:11,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:21:11,562 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:21:11,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:21:11,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:21:11,562 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:21:11,563 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 11:21:12,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:21:12,067 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:21:12,071 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:21:12,073 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:21:12,074 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:21:12,075 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_6-2.c [2020-09-21 11:21:12,164 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/357b2d2ad/d6b18262f6d446e1b945c3c0fa08a238/FLAG9e58f0493 [2020-09-21 11:21:12,730 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:21:12,731 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_6-2.c [2020-09-21 11:21:12,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/357b2d2ad/d6b18262f6d446e1b945c3c0fa08a238/FLAG9e58f0493 [2020-09-21 11:21:13,081 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/357b2d2ad/d6b18262f6d446e1b945c3c0fa08a238 [2020-09-21 11:21:13,096 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:21:13,103 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:21:13,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:21:13,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:21:13,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:21:13,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:21:13" (1/1) ... [2020-09-21 11:21:13,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ab41b77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:13, skipping insertion in model container [2020-09-21 11:21:13,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:21:13" (1/1) ... [2020-09-21 11:21:13,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:21:13,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:21:13,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:21:13,370 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:21:13,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:21:13,411 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:21:13,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:13 WrapperNode [2020-09-21 11:21:13,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:21:13,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:21:13,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:21:13,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:21:13,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:13" (1/1) ... [2020-09-21 11:21:13,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:13" (1/1) ... [2020-09-21 11:21:13,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:13" (1/1) ... [2020-09-21 11:21:13,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:13" (1/1) ... [2020-09-21 11:21:13,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:13" (1/1) ... [2020-09-21 11:21:13,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:13" (1/1) ... [2020-09-21 11:21:13,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:13" (1/1) ... [2020-09-21 11:21:13,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:21:13,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:21:13,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:21:13,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:21:13,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:13" (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 11:21:13,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:21:13,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:21:13,615 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-09-21 11:21:13,615 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-09-21 11:21:13,615 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:21:13,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:21:13,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:21:13,616 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-09-21 11:21:13,616 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-09-21 11:21:13,616 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:21:13,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:21:13,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:21:13,847 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:21:13,848 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-21 11:21:13,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:21:13 BoogieIcfgContainer [2020-09-21 11:21:13,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:21:13,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:21:13,856 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:21:13,860 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:21:13,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:21:13" (1/3) ... [2020-09-21 11:21:13,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c83725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:21:13, skipping insertion in model container [2020-09-21 11:21:13,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:21:13" (2/3) ... [2020-09-21 11:21:13,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c83725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:21:13, skipping insertion in model container [2020-09-21 11:21:13,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:21:13" (3/3) ... [2020-09-21 11:21:13,864 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_6-2.c [2020-09-21 11:21:13,878 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:21:13,890 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:21:13,920 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:21:13,973 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:21:13,973 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:21:13,973 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:21:13,974 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:21:13,974 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:21:13,974 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:21:13,974 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:21:13,974 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:21:14,002 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-09-21 11:21:14,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-09-21 11:21:14,013 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:14,015 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:14,015 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:14,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:14,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-09-21 11:21:14,037 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:14,038 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1347769975] [2020-09-21 11:21:14,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:14,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:14,191 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:14,192 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:14,192 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:14,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 11:21:14,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:14,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-21 11:21:14,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:14,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:14,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:14,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:14,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:14,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:14,263 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:14,264 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:14,264 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:14,264 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:14,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:14,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:14,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:14,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:14,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:14,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:14,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:14,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:21:14,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:14,309 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:14,309 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:14,309 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:14,310 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:14,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:14,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:14,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 11:21:14,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:14,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:14,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:14,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:14,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:14,364 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 11:21:14,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1347769975] [2020-09-21 11:21:14,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:21:14,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:21:14,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261377353] [2020-09-21 11:21:14,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:21:14,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:14,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:21:14,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:21:14,400 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-09-21 11:21:14,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:14,540 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-09-21 11:21:14,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:21:14,542 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-09-21 11:21:14,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:14,557 INFO L225 Difference]: With dead ends: 44 [2020-09-21 11:21:14,557 INFO L226 Difference]: Without dead ends: 30 [2020-09-21 11:21:14,563 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:21:14,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-09-21 11:21:14,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-09-21 11:21:14,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-09-21 11:21:14,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-09-21 11:21:14,617 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-09-21 11:21:14,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:14,618 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-09-21 11:21:14,618 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:21:14,618 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-09-21 11:21:14,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-21 11:21:14,620 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:14,621 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:14,621 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:21:14,622 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:14,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:14,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-09-21 11:21:14,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:14,623 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1536903177] [2020-09-21 11:21:14,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:14,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:14,643 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:14,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:14,644 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:14,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-21 11:21:14,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:14,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:21:14,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:14,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:14,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:14,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:14,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:14,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:14,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:14,672 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:14,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:14,673 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:14,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:14,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:14,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:14,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:14,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:14,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:14,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:14,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:14,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:14,692 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:14,693 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:14,693 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:14,694 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:14,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:14,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:14,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:21:14,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:14,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:14,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:14,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:14,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:14,723 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 11:21:14,724 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1536903177] [2020-09-21 11:21:14,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:21:14,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:21:14,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707080397] [2020-09-21 11:21:14,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:21:14,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:14,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:21:14,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:21:14,729 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-09-21 11:21:14,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:14,797 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-09-21 11:21:14,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:21:14,798 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-21 11:21:14,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:14,800 INFO L225 Difference]: With dead ends: 36 [2020-09-21 11:21:14,800 INFO L226 Difference]: Without dead ends: 32 [2020-09-21 11:21:14,801 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:21:14,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-09-21 11:21:14,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-09-21 11:21:14,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-09-21 11:21:14,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-09-21 11:21:14,811 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-09-21 11:21:14,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:14,811 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-09-21 11:21:14,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:21:14,812 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-09-21 11:21:14,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-21 11:21:14,813 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:14,813 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:14,814 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:21:14,814 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:14,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:14,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-09-21 11:21:14,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:14,815 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1307305367] [2020-09-21 11:21:14,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:14,847 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:14,848 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:14,848 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:14,848 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:14,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:21:14,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:14,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:21:14,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:14,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:21:14,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:14,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:21:14,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:14,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:14,888 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:14,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:14,889 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:14,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:14,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:14,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:14,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:14,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:14,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:14,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:14,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:14,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:14,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:14,938 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:14,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:14,939 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:14,940 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:14,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 11:21:14,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:14,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:21:14,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:14,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:14,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:21:14,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:14,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:14,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:15,016 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,017 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,017 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:15,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:21:15,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:15,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:15,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:15,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:15,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:21:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,083 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:15,083 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,084 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:15,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:21:15,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:15,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:21:15,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:15,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:15,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:21:15,106 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1307305367] [2020-09-21 11:21:15,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:15,106 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:21:15,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187813002] [2020-09-21 11:21:15,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:21:15,108 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:15,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:21:15,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:21:15,112 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-09-21 11:21:15,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:15,268 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-09-21 11:21:15,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:21:15,269 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-09-21 11:21:15,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:15,270 INFO L225 Difference]: With dead ends: 58 [2020-09-21 11:21:15,270 INFO L226 Difference]: Without dead ends: 34 [2020-09-21 11:21:15,272 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:21:15,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-09-21 11:21:15,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-09-21 11:21:15,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-09-21 11:21:15,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-09-21 11:21:15,282 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-09-21 11:21:15,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:15,282 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-09-21 11:21:15,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:21:15,283 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-09-21 11:21:15,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-21 11:21:15,285 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:15,285 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:21:15,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:21:15,285 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:15,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:15,286 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-09-21 11:21:15,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:15,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [808407962] [2020-09-21 11:21:15,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,314 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:15,314 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,314 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,315 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 11:21:15,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:21:15,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:21:15,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:15,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:21:15,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:15,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:15,347 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,347 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:15,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:15,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:15,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:15,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:15,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:15,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,372 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:15,372 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,372 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,373 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:15,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:21:15,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:21:15,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:15,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:21:15,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:15,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,420 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:15,421 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,421 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:15,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:21:15,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:15,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:15,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:21:15,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:15,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,452 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:15,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:15,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:15,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:15,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:15,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:15,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:15,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:21:15,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [808407962] [2020-09-21 11:21:15,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:15,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:21:15,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095928956] [2020-09-21 11:21:15,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:21:15,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:15,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:21:15,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:21:15,464 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 7 states. [2020-09-21 11:21:15,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:15,628 INFO L93 Difference]: Finished difference Result 50 states and 69 transitions. [2020-09-21 11:21:15,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:21:15,629 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-09-21 11:21:15,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:15,631 INFO L225 Difference]: With dead ends: 50 [2020-09-21 11:21:15,631 INFO L226 Difference]: Without dead ends: 46 [2020-09-21 11:21:15,632 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:21:15,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-09-21 11:21:15,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2020-09-21 11:21:15,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-09-21 11:21:15,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 60 transitions. [2020-09-21 11:21:15,645 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 60 transitions. Word has length 27 [2020-09-21 11:21:15,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:15,646 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 60 transitions. [2020-09-21 11:21:15,646 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:21:15,646 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2020-09-21 11:21:15,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-09-21 11:21:15,651 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:15,651 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-09-21 11:21:15,652 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:21:15,652 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:15,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:15,652 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-09-21 11:21:15,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:15,655 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [29021353] [2020-09-21 11:21:15,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,688 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:15,689 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,689 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,689 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-21 11:21:15,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:21:15,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:15,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:21:15,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:15,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:15,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,732 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:15,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:15,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:15,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:15,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:15,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:15,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:15,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,775 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:15,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,776 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,776 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-21 11:21:15,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:21:15,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:15,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-21 11:21:15,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:15,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:15,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,831 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:15,832 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,832 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,832 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 11:21:15,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:21:15,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:15,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:21:15,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:15,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:21:15,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,871 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:15,871 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,872 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,872 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:15,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:21:15,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:15,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:15,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:15,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:15,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:21:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,900 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:15,900 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,900 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,901 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:15,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:15,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:15,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:21:15,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:15,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:15,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:21:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:15,908 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:15,909 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:15,909 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:15,909 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:15,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:15,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:15,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:15,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:15,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:15,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:21:15,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:15,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:15,917 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-21 11:21:15,917 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [29021353] [2020-09-21 11:21:15,917 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:15,918 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 11:21:15,918 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872387445] [2020-09-21 11:21:15,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:21:15,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:15,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:21:15,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:21:15,919 INFO L87 Difference]: Start difference. First operand 44 states and 60 transitions. Second operand 6 states. [2020-09-21 11:21:15,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:15,991 INFO L93 Difference]: Finished difference Result 86 states and 132 transitions. [2020-09-21 11:21:15,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:21:15,992 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-09-21 11:21:15,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:15,994 INFO L225 Difference]: With dead ends: 86 [2020-09-21 11:21:15,994 INFO L226 Difference]: Without dead ends: 48 [2020-09-21 11:21:15,995 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:21:15,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-09-21 11:21:16,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-09-21 11:21:16,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-09-21 11:21:16,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-09-21 11:21:16,007 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 39 [2020-09-21 11:21:16,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:16,007 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-09-21 11:21:16,008 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:21:16,008 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-09-21 11:21:16,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-09-21 11:21:16,010 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:16,010 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-09-21 11:21:16,010 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:21:16,011 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:16,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:16,011 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-09-21 11:21:16,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:16,011 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [759015972] [2020-09-21 11:21:16,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,033 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:16,034 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,034 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,034 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-21 11:21:16,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:21:16,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:21:16,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:16,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-21 11:21:16,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:16,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,062 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:16,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,063 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,063 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:16,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:16,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:16,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:16,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:16,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:16,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,102 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:16,102 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,102 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,103 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-21 11:21:16,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 11:21:16,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:16,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:21:16,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:21:16,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:16,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,150 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:16,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,150 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:16,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:21:16,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:16,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:16,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:16,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:16,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:16,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:16,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:16,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:16,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:16,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:16,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:16,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,217 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:16,217 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,217 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,218 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:16,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:16,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:16,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:16,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:16,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:16,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:16,231 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,231 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:16,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:21:16,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:16,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:16,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:16,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:21:16,295 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-21 11:21:16,296 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [759015972] [2020-09-21 11:21:16,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:16,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-21 11:21:16,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644941958] [2020-09-21 11:21:16,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:21:16,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:16,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:21:16,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:21:16,299 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 9 states. [2020-09-21 11:21:16,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:16,473 INFO L93 Difference]: Finished difference Result 93 states and 141 transitions. [2020-09-21 11:21:16,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:21:16,474 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 40 [2020-09-21 11:21:16,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:16,476 INFO L225 Difference]: With dead ends: 93 [2020-09-21 11:21:16,476 INFO L226 Difference]: Without dead ends: 51 [2020-09-21 11:21:16,478 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:21:16,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-09-21 11:21:16,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 46. [2020-09-21 11:21:16,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-09-21 11:21:16,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 62 transitions. [2020-09-21 11:21:16,489 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 62 transitions. Word has length 40 [2020-09-21 11:21:16,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:16,490 INFO L479 AbstractCegarLoop]: Abstraction has 46 states and 62 transitions. [2020-09-21 11:21:16,490 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:21:16,490 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2020-09-21 11:21:16,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-09-21 11:21:16,492 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:16,492 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-09-21 11:21:16,492 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:21:16,493 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:16,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:16,493 INFO L82 PathProgramCache]: Analyzing trace with hash 208191613, now seen corresponding path program 1 times [2020-09-21 11:21:16,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:16,494 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [558723079] [2020-09-21 11:21:16,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,515 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:16,516 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,516 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,516 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:21:16,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:21:16,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:21:16,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:16,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-21 11:21:16,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:16,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,536 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:16,537 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,537 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,537 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:16,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:16,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:16,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:16,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:16,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:16,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,561 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:16,561 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,561 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,562 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:16,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:21:16,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:21:16,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:16,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:21:16,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:16,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,608 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:16,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,609 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,609 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:16,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:21:16,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:16,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:16,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:16,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:16,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,641 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:16,642 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,642 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:16,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:21:16,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:16,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:16,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:21:16,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:16,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,665 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:16,665 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,666 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,666 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:16,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:16,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:16,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:16,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:16,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:16,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,675 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:16,675 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,675 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,675 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:16,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:16,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:16,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:16,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:16,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:16,683 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-21 11:21:16,684 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [558723079] [2020-09-21 11:21:16,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:16,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 11:21:16,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363447165] [2020-09-21 11:21:16,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:21:16,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:16,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:21:16,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:21:16,686 INFO L87 Difference]: Start difference. First operand 46 states and 62 transitions. Second operand 8 states. [2020-09-21 11:21:16,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:16,847 INFO L93 Difference]: Finished difference Result 66 states and 102 transitions. [2020-09-21 11:21:16,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:21:16,848 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-09-21 11:21:16,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:16,851 INFO L225 Difference]: With dead ends: 66 [2020-09-21 11:21:16,851 INFO L226 Difference]: Without dead ends: 62 [2020-09-21 11:21:16,852 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:21:16,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-09-21 11:21:16,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 59. [2020-09-21 11:21:16,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-09-21 11:21:16,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 90 transitions. [2020-09-21 11:21:16,866 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 90 transitions. Word has length 41 [2020-09-21 11:21:16,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:16,866 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 90 transitions. [2020-09-21 11:21:16,866 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:21:16,867 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2020-09-21 11:21:16,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-21 11:21:16,869 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:16,869 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:16,869 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:21:16,869 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:16,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:16,870 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-09-21 11:21:16,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:16,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [542859277] [2020-09-21 11:21:16,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,916 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:16,917 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,917 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,917 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-09-21 11:21:16,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-21 11:21:16,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:21:16,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:16,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:16,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:16,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,946 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:16,947 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,947 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,947 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:16,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:16,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:16,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:16,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:16,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:16,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:16,976 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:16,977 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:16,977 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:16,977 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:16,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-09-21 11:21:16,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:16,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:21:16,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:16,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:16,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:21:16,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:21:16,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:16,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,014 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:17,015 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,015 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,015 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-21 11:21:17,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:21:17,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:17,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:21:17,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:21:17,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:17,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,064 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:17,064 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,064 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,065 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:17,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:21:17,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:17,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:17,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:17,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:17,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,114 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:17,115 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,115 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,115 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:17,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:21:17,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:17,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:17,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:17,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:17,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:17,125 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,125 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,125 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:17,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:17,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:17,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:17,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:17,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:17,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:17,138 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,138 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,138 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:17,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:21:17,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:17,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:17,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:17,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:17,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:21:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,160 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:17,161 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:17,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:17,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:17,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:21:17,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:17,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:17,172 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-09-21 11:21:17,173 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [542859277] [2020-09-21 11:21:17,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:17,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 11:21:17,173 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425469862] [2020-09-21 11:21:17,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:21:17,175 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:17,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:21:17,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:21:17,176 INFO L87 Difference]: Start difference. First operand 59 states and 90 transitions. Second operand 8 states. [2020-09-21 11:21:17,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:17,306 INFO L93 Difference]: Finished difference Result 125 states and 221 transitions. [2020-09-21 11:21:17,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:21:17,306 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-09-21 11:21:17,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:17,308 INFO L225 Difference]: With dead ends: 125 [2020-09-21 11:21:17,308 INFO L226 Difference]: Without dead ends: 72 [2020-09-21 11:21:17,310 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:21:17,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-09-21 11:21:17,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 66. [2020-09-21 11:21:17,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-09-21 11:21:17,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 102 transitions. [2020-09-21 11:21:17,337 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 102 transitions. Word has length 54 [2020-09-21 11:21:17,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:17,337 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 102 transitions. [2020-09-21 11:21:17,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:21:17,337 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 102 transitions. [2020-09-21 11:21:17,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-21 11:21:17,339 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:17,339 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 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] [2020-09-21 11:21:17,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:21:17,340 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:17,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:17,340 INFO L82 PathProgramCache]: Analyzing trace with hash -242988780, now seen corresponding path program 1 times [2020-09-21 11:21:17,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:17,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [838300556] [2020-09-21 11:21:17,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,366 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:17,367 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,367 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,367 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-21 11:21:17,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:21:17,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:21:17,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:17,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:17,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:17,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,386 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:17,387 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,387 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,387 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:17,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:17,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:17,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:17,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:17,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:17,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,412 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:17,413 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,413 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,413 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-09-21 11:21:17,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:21:17,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:21:17,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:21:17,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 11:21:17,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:17,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,452 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:17,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:17,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:21:17,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:21:17,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:17,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:21:17,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:17,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:17,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,498 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:17,498 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,499 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,499 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:17,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:21:17,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:17,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:17,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:17,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:17,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,528 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:17,529 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,529 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,529 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:17,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:17,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:17,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:17,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:17,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:17,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,536 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:17,537 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,537 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,537 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:17,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:17,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:17,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:17,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:17,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:17,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,545 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:17,546 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,546 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,546 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:17,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:17,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:17,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:17,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:17,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:17,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:21:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,560 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:17,561 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,561 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,561 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:17,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:21:17,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:17,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:17,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:17,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:17,587 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-21 11:21:17,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [838300556] [2020-09-21 11:21:17,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:17,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-21 11:21:17,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914215086] [2020-09-21 11:21:17,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:21:17,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:17,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:21:17,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:21:17,590 INFO L87 Difference]: Start difference. First operand 66 states and 102 transitions. Second operand 9 states. [2020-09-21 11:21:17,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:17,783 INFO L93 Difference]: Finished difference Result 132 states and 233 transitions. [2020-09-21 11:21:17,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:21:17,784 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 55 [2020-09-21 11:21:17,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:17,786 INFO L225 Difference]: With dead ends: 132 [2020-09-21 11:21:17,791 INFO L226 Difference]: Without dead ends: 75 [2020-09-21 11:21:17,792 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:21:17,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-09-21 11:21:17,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 69. [2020-09-21 11:21:17,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-09-21 11:21:17,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 103 transitions. [2020-09-21 11:21:17,811 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 103 transitions. Word has length 55 [2020-09-21 11:21:17,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:17,811 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 103 transitions. [2020-09-21 11:21:17,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:21:17,812 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 103 transitions. [2020-09-21 11:21:17,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-09-21 11:21:17,813 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:17,813 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 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] [2020-09-21 11:21:17,813 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:21:17,814 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:17,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:17,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1156896337, now seen corresponding path program 1 times [2020-09-21 11:21:17,814 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:17,815 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [906350263] [2020-09-21 11:21:17,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,841 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:17,841 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,841 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,842 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-21 11:21:17,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:21:17,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:21:17,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:17,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:17,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:17,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,862 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:17,863 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,863 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,863 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:17,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:17,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:17,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:17,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:17,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:17,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:17,895 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,895 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,895 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:21:17,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:21:17,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:21:17,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:17,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 11:21:17,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:17,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:17,942 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:17,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:21:17,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:21:17,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:17,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:21:17,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:17,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:17,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:17,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:17,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:17,981 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:17,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:17,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:17,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:21:17,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:17,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:17,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:17,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:17,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:18,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,008 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:18,008 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,008 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,008 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:18,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:21:18,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:18,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:18,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:21:18,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:18,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,027 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:18,027 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,027 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,027 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:18,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:18,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:18,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:18,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:18,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:18,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,035 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:18,035 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,035 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,036 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:18,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:18,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:18,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:18,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:18,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:18,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:21:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,047 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:18,047 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,047 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,047 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:18,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:18,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:18,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:18,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:21:18,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:18,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:18,057 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,057 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,057 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:18,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:18,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:18,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:18,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:18,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:18,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:18,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,063 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,064 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:18,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:18,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:18,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:18,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:18,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:18,090 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 8 proven. 39 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-09-21 11:21:18,091 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [906350263] [2020-09-21 11:21:18,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:18,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-21 11:21:18,092 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518422352] [2020-09-21 11:21:18,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:21:18,093 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:18,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:21:18,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:21:18,093 INFO L87 Difference]: Start difference. First operand 69 states and 103 transitions. Second operand 9 states. [2020-09-21 11:21:18,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:18,274 INFO L93 Difference]: Finished difference Result 98 states and 165 transitions. [2020-09-21 11:21:18,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:21:18,275 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 68 [2020-09-21 11:21:18,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:18,277 INFO L225 Difference]: With dead ends: 98 [2020-09-21 11:21:18,277 INFO L226 Difference]: Without dead ends: 94 [2020-09-21 11:21:18,278 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:21:18,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-09-21 11:21:18,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 79. [2020-09-21 11:21:18,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-09-21 11:21:18,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 128 transitions. [2020-09-21 11:21:18,293 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 128 transitions. Word has length 68 [2020-09-21 11:21:18,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:18,293 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 128 transitions. [2020-09-21 11:21:18,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:21:18,294 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 128 transitions. [2020-09-21 11:21:18,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-09-21 11:21:18,297 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:18,297 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:18,297 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:21:18,297 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:18,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:18,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1229769625, now seen corresponding path program 2 times [2020-09-21 11:21:18,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:18,298 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [901793456] [2020-09-21 11:21:18,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:18,330 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,330 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,330 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-09-21 11:21:18,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:21:18,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:21:18,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:18,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 11:21:18,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:18,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:18,365 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,365 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,365 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:18,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:18,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:18,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:18,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:18,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:18,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:18,396 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,397 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,397 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-09-21 11:21:18,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:21:18,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:21:18,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:21:18,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 11:21:18,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:18,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,437 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:18,438 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,438 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,439 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-09-21 11:21:18,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:21:18,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:21:18,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:21:18,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 11:21:18,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:18,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,490 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:18,491 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,491 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,491 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:18,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:21:18,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:21:18,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:18,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:21:18,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:18,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,575 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:18,576 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,576 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,576 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:18,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:21:18,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:18,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:18,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:18,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:18,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:18,608 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,608 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:18,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:18,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:18,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:18,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:18,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:18,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,615 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:18,616 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,616 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,616 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:18,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:18,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:18,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:18,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:18,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:18,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,625 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:18,625 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,626 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,626 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:18,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:18,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:18,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:18,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:18,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:18,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:21:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,641 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:18,642 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,642 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:18,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:21:18,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:21:18,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:18,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:18,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:18,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:21:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,685 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:18,685 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,686 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,686 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:18,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:18,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:18,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:21:18,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:18,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:18,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,696 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:18,696 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,696 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:18,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:18,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:18,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:18,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:18,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:18,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,704 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:18,704 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,704 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,705 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:18,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:18,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:18,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:18,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:18,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:18,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,710 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:18,710 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,710 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,710 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:18,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:18,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:18,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:18,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:18,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:18,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:18,715 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:18,715 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:18,715 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:18,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:18,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:18,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:18,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:21:18,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:18,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:18,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:18,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:18,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:18,734 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 44 proven. 55 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-09-21 11:21:18,735 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [901793456] [2020-09-21 11:21:18,735 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:18,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-21 11:21:18,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697686559] [2020-09-21 11:21:18,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:21:18,737 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:18,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:21:18,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:21:18,737 INFO L87 Difference]: Start difference. First operand 79 states and 128 transitions. Second operand 10 states. [2020-09-21 11:21:18,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:18,959 INFO L93 Difference]: Finished difference Result 163 states and 323 transitions. [2020-09-21 11:21:18,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:21:18,960 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 96 [2020-09-21 11:21:18,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:18,962 INFO L225 Difference]: With dead ends: 163 [2020-09-21 11:21:18,962 INFO L226 Difference]: Without dead ends: 93 [2020-09-21 11:21:18,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:21:18,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-09-21 11:21:18,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 87. [2020-09-21 11:21:18,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-09-21 11:21:18,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 141 transitions. [2020-09-21 11:21:18,977 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 141 transitions. Word has length 96 [2020-09-21 11:21:18,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:18,978 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 141 transitions. [2020-09-21 11:21:18,978 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:21:18,978 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 141 transitions. [2020-09-21 11:21:18,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-09-21 11:21:18,981 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:18,982 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 10, 10, 10, 9, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:18,982 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:21:18,982 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:18,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:18,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1515788418, now seen corresponding path program 2 times [2020-09-21 11:21:18,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:18,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [517915627] [2020-09-21 11:21:18,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,048 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:19,048 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,048 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,049 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-09-21 11:21:19,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:21:19,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:21:19,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:19,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 11:21:19,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:19,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,095 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:19,095 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,095 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,095 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:19,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:19,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:19,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:19,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:19,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,162 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:19,163 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,163 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,163 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-09-21 11:21:19,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 11:21:19,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 11:21:19,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:21:19,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-21 11:21:19,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:19,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,257 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:19,257 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,258 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,258 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 11:21:19,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:21:19,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:21:19,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:21:19,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:21:19,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:19,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,304 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:21:19,304 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,305 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,305 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:19,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:21:19,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:21:19,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:21:19,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:19,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,357 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:21:19,358 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,358 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,358 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:19,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:21:19,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:19,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:19,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:19,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,419 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:19,419 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,420 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,420 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:19,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:21:19,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:19,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:21:19,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:19,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:19,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,455 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,456 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:19,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:21:19,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:19,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:19,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:19,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,468 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:19,468 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,469 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,469 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:19,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:19,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:19,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:19,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:19,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:21:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,497 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:19,498 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,498 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,499 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:19,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:21:19,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:21:19,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:19,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:21:19,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:19,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,543 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:19,544 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,544 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:19,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:21:19,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:19,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:19,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:19,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,636 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:19,637 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,637 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,638 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:19,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:19,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:19,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:19,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:19,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,649 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:19,650 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,650 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,650 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:19,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:19,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:19,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:19,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:19,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,662 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:19,662 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,663 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,663 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:19,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:19,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:19,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:19,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:19,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 11:21:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,714 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:19,714 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,715 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,715 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 11:21:19,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:21:19,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:21:19,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:19,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-21 11:21:19,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:19,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,820 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:19,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,820 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,821 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:19,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:21:19,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:19,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:21:19,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:19,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:19,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,851 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:19,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:21:19,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:19,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:19,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:19,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,872 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:19,873 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,873 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,874 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:19,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:21:19,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:19,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:19,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:19,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,885 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:19,886 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,886 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,886 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:19,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:19,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:19,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:19,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:19,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,899 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:19,900 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,900 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,900 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:19,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:19,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:19,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:19,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:19,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:21:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,923 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:19,923 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,924 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,924 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:19,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:19,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:19,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:21:19,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:19,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:19,942 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,942 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:19,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:19,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:19,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:19,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:19,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,953 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:19,953 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,954 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,954 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:19,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:19,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:19,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:19,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:19,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,963 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:19,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,964 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,964 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:19,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:19,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:19,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:19,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:19,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:19,971 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:19,971 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:19,971 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:19,971 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:19,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:19,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:19,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:19,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:19,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:19,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:19,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:19,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:20,119 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 116 proven. 252 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2020-09-21 11:21:20,120 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [517915627] [2020-09-21 11:21:20,120 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:20,121 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-21 11:21:20,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293629831] [2020-09-21 11:21:20,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-21 11:21:20,122 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:20,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-21 11:21:20,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:21:20,123 INFO L87 Difference]: Start difference. First operand 87 states and 141 transitions. Second operand 15 states. [2020-09-21 11:21:20,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:20,775 INFO L93 Difference]: Finished difference Result 205 states and 445 transitions. [2020-09-21 11:21:20,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-21 11:21:20,776 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 164 [2020-09-21 11:21:20,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:20,779 INFO L225 Difference]: With dead ends: 205 [2020-09-21 11:21:20,779 INFO L226 Difference]: Without dead ends: 120 [2020-09-21 11:21:20,781 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=452, Unknown=0, NotChecked=0, Total=552 [2020-09-21 11:21:20,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-09-21 11:21:20,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 109. [2020-09-21 11:21:20,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-09-21 11:21:20,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 181 transitions. [2020-09-21 11:21:20,807 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 181 transitions. Word has length 164 [2020-09-21 11:21:20,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:20,808 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 181 transitions. [2020-09-21 11:21:20,808 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-21 11:21:20,808 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 181 transitions. [2020-09-21 11:21:20,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-09-21 11:21:20,815 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:20,815 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 19, 19, 17, 16, 11, 11, 11, 11, 11, 11, 11, 9, 9, 9, 9, 9, 9, 9, 8, 5, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:20,815 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-21 11:21:20,815 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:20,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:20,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1634463293, now seen corresponding path program 3 times [2020-09-21 11:21:20,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:20,816 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [593519471] [2020-09-21 11:21:20,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:20,909 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:20,909 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:20,909 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:20,910 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:20,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 375 [2020-09-21 11:21:20,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:20,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 11:21:20,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:20,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:21:20,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:20,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-21 11:21:20,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,035 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:21,039 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,039 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:21,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:21:21,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:21,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:21,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,112 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:21,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,113 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 363 [2020-09-21 11:21:21,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 11:21:21,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:21:21,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 11:21:21,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:21:21,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,249 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:21,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,250 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-09-21 11:21:21,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 11:21:21,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 11:21:21,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:21:21,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 222 [2020-09-21 11:21:21,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,380 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:21,381 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,381 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,381 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 11:21:21,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 11:21:21,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:21:21,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:21:21,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 11:21:21,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,443 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:21:21,444 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,444 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,444 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:21,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:21:21,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:21:21,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:21:21,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,499 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:21:21,500 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:21,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:21:21,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:21,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:21,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:21,563 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,564 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:21,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:21:21,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:21,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:21:21,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:21,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:21,592 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,592 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,592 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:21,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:21,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:21,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:21,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:21,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:21,601 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,601 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:21,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:21,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:21,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:21,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:21:21,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,632 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:21,633 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,633 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,633 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:21:21,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:21:21,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:21:21,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:21,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 11:21:21,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,725 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:21,726 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,726 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,726 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:21,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 11:21:21,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:21,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:21:21,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,775 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:21,775 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,775 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,776 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:21,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:21:21,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:21,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:21,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,822 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:21,822 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,822 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,823 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:21,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:21,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:21,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:21,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:21,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,831 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:21,831 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,832 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,832 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:21,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:21,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:21,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:21,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,845 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:21,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,846 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,846 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:21,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:21:21,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:21,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:21,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:21,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:21:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:21,858 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:21,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:21,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:21,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:21:21,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:21,867 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:21,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:21,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:21,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:21,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,873 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:21,873 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,874 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,874 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:21,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:21,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:21,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:21,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 11:21:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,926 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:21,926 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,926 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,927 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 11:21:21,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:21:21,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:21:21,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:21,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-21 11:21:21,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:21,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:21,992 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:21,993 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:21,993 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:21,993 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:21,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:21:21,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:21,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:21:21,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:21,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:21:21,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:21,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 11:21:21,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,091 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,091 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,092 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:22,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:21:22,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:22,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:21:22,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,127 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,127 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,128 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,128 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:22,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:21:22,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:22,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:22,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,139 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:22,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:22,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:22,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:22,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:22,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:22,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,153 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,153 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,154 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,154 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:22,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:22,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:22,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:22,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:21:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,163 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,164 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,164 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,164 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:22,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:22,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:21:22,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,171 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,171 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,171 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,172 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:22,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:22,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:22,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,177 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,177 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,177 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,177 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:22,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:22,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:22,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 11:21:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,190 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,190 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,191 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:22,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:22,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:21:22,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,201 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,201 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,201 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,202 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:22,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:22,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:22,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,208 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,208 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,209 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,209 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:22,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:22,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,214 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,214 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,215 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:22,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:22,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:22,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,219 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,220 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,220 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,220 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:22,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:22,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:22,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-21 11:21:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,284 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,285 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,285 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,285 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:21:22,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:22,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-21 11:21:22,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:22,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,298 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,298 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,298 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,298 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:22,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:22,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:22,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,308 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,309 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:22,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:22,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:22,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,315 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,316 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:22,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:22,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:22,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,321 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,322 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,322 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,322 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:22,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:22,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:22,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,327 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,327 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,327 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:22,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:22,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:22,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:21:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,334 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,334 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,334 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,334 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:22,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:22,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:22,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,341 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,341 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,342 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:22,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:22,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:22,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:22,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:22,347 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:22,347 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:22,347 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:22,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:22,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:22,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:22,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:21:22,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:22,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:22,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:22,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:22,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:22,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2228 backedges. 303 proven. 719 refuted. 0 times theorem prover too weak. 1206 trivial. 0 not checked. [2020-09-21 11:21:22,512 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [593519471] [2020-09-21 11:21:22,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:22,513 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-21 11:21:22,513 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929406420] [2020-09-21 11:21:22,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-21 11:21:22,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:22,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-21 11:21:22,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:21:22,515 INFO L87 Difference]: Start difference. First operand 109 states and 181 transitions. Second operand 19 states. [2020-09-21 11:21:23,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:23,177 INFO L93 Difference]: Finished difference Result 232 states and 479 transitions. [2020-09-21 11:21:23,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-21 11:21:23,178 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 286 [2020-09-21 11:21:23,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:23,181 INFO L225 Difference]: With dead ends: 232 [2020-09-21 11:21:23,181 INFO L226 Difference]: Without dead ends: 107 [2020-09-21 11:21:23,184 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=151, Invalid=719, Unknown=0, NotChecked=0, Total=870 [2020-09-21 11:21:23,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-09-21 11:21:23,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 104. [2020-09-21 11:21:23,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-09-21 11:21:23,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 139 transitions. [2020-09-21 11:21:23,198 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 139 transitions. Word has length 286 [2020-09-21 11:21:23,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:23,198 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 139 transitions. [2020-09-21 11:21:23,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-21 11:21:23,199 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 139 transitions. [2020-09-21 11:21:23,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-09-21 11:21:23,204 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:23,204 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 19, 19, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 8, 7, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:23,204 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-21 11:21:23,205 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:23,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:23,205 INFO L82 PathProgramCache]: Analyzing trace with hash 52934782, now seen corresponding path program 4 times [2020-09-21 11:21:23,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:23,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [413624660] [2020-09-21 11:21:23,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,298 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:23,298 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,298 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,298 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 428 [2020-09-21 11:21:23,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 11:21:23,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:21:23,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 11:21:23,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 236 [2020-09-21 11:21:23,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:23,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:21:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,407 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:23,407 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,407 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,408 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:21:23,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:23,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:23,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:23,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:23,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:23,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 11:21:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,503 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:23,504 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,504 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,504 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 416 [2020-09-21 11:21:23,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 11:21:23,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-21 11:21:23,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:21:23,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 228 [2020-09-21 11:21:23,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:23,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:23,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,629 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:21:23,630 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,630 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,630 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 11:21:23,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:21:23,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:21:23,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:23,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-09-21 11:21:23,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:23,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,709 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:21:23,710 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,710 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,710 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:21:23,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:21:23,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:21:23,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:23,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 11:21:23,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:23,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,779 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:21:23,779 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,779 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:23,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:21:23,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:21:23,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:23,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:21:23,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:23,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:21:23,830 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,830 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,831 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:23,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:21:23,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:23,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:23,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:23,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:23,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,893 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:21:23,893 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:23,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:21:23,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:23,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:23,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:21:23,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:23,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,926 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:23,926 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,927 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,927 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:23,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:23,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:23,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:23,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:23,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:23,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,936 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:23,937 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,937 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,937 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:23,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:23,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:23,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:23,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:23,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:23,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:21:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,949 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:23,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,950 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:23,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:23,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:23,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:23,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:21:23,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:23,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,958 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:23,958 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,959 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,959 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:23,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:23,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:23,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:23,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:23,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:23,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,965 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:23,965 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,965 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,966 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:23,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:23,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:23,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:23,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:23,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:23,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 11:21:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,984 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:23,984 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,984 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:23,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:23,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:23,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:23,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:21:23,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:23,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:23,996 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:23,996 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:23,996 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:23,997 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:23,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:23,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:23,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:23,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:23,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:23,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:23,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:23,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,004 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,004 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:24,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,009 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,009 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,010 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,010 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:24,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,014 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,015 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,015 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,015 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:24,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:21:24,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 11:21:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,097 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,097 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,098 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,098 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-09-21 11:21:24,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 11:21:24,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 11:21:24,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:21:24,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 271 [2020-09-21 11:21:24,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,222 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,222 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 11:21:24,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:21:24,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:21:24,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-09-21 11:21:24,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:24,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,292 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,292 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,292 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,293 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:21:24,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:21:24,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 11:21:24,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 11:21:24,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,337 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:24,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:21:24,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:21:24,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 11:21:24,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,388 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,388 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,389 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,389 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:24,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:21:24,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:21:24,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:21:24,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,416 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,416 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,416 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:24,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:24,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:24,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,424 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,425 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:24,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:24,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:21:24,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,431 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,431 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,432 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,432 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:24,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:24,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:21:24,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:21:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,442 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,442 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,442 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,442 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:24,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:24,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:21:24,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:24,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,455 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,456 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,456 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,456 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:24,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:21:24,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:24,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,463 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,463 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,463 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:24,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:24,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 11:21:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,478 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,478 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,479 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,479 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:24,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:24,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:21:24,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,491 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,491 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,492 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:24,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,499 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,499 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,500 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,500 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:24,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:24,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,506 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,507 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:24,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:24,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,514 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,515 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,515 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,515 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:24,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:24,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 11:21:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,553 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 11:21:24,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:21:24,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:21:24,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-21 11:21:24,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:24,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,587 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,587 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,588 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:21:24,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:21:24,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:24,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,603 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,603 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,603 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,604 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:24,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 37 [2020-09-21 11:21:24,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,671 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,671 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,671 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,672 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:24,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,678 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,678 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,678 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,679 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:24,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,684 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,684 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,684 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,685 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:24,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,689 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,690 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,690 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,690 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:24,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:21:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,696 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,696 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:24,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,705 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,705 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,705 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,706 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:24,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,711 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,712 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,712 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,712 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:24,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 11:21:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,719 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,719 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,719 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,720 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 11:21:24,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,728 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,729 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,729 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,729 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:21:24,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:21:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,736 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,736 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,737 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,737 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:24,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:24,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:21:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,742 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,743 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,743 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,743 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:21:24,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:21:24,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 11:21:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:21:24,748 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:21:24,748 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:21:24,749 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:21:24,749 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:21:24,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:21:24,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:21:24,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:21:24,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:21:24,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:21:24,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:21:24,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:21:24,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:21:24,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2942 backedges. 294 proven. 828 refuted. 0 times theorem prover too weak. 1820 trivial. 0 not checked. [2020-09-21 11:21:24,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [413624660] [2020-09-21 11:21:24,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:21:24,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-21 11:21:24,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293581712] [2020-09-21 11:21:24,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-21 11:21:24,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:21:24,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-21 11:21:24,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:21:24,924 INFO L87 Difference]: Start difference. First operand 104 states and 139 transitions. Second operand 18 states. [2020-09-21 11:21:25,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:21:25,556 INFO L93 Difference]: Finished difference Result 212 states and 322 transitions. [2020-09-21 11:21:25,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-21 11:21:25,557 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 327 [2020-09-21 11:21:25,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:21:25,561 INFO L225 Difference]: With dead ends: 212 [2020-09-21 11:21:25,561 INFO L226 Difference]: Without dead ends: 122 [2020-09-21 11:21:25,564 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 91 SyntacticMatches, 4 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=135, Invalid=677, Unknown=0, NotChecked=0, Total=812 [2020-09-21 11:21:25,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-09-21 11:21:25,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 113. [2020-09-21 11:21:25,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-09-21 11:21:25,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 153 transitions. [2020-09-21 11:21:25,580 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 153 transitions. Word has length 327 [2020-09-21 11:21:25,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:21:25,581 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 153 transitions. [2020-09-21 11:21:25,581 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-21 11:21:25,581 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 153 transitions. [2020-09-21 11:21:25,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-09-21 11:21:25,586 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:21:25,586 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:21:25,586 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-21 11:21:25,587 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:21:25,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:21:25,587 INFO L82 PathProgramCache]: Analyzing trace with hash 307857833, now seen corresponding path program 5 times [2020-09-21 11:21:25,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:21:25,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1875583178] [2020-09-21 11:21:25,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:21:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-21 11:21:25,633 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-21 11:21:25,633 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-21 11:21:25,641 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-21 11:21:25,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:21:25 BoogieIcfgContainer [2020-09-21 11:21:25,697 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:21:25,701 INFO L168 Benchmark]: Toolchain (without parser) took 12601.07 ms. Allocated memory was 139.5 MB in the beginning and 498.1 MB in the end (delta: 358.6 MB). Free memory was 102.8 MB in the beginning and 287.3 MB in the end (delta: -184.5 MB). Peak memory consumption was 174.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:21:25,702 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:21:25,703 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.65 ms. Allocated memory is still 139.5 MB. Free memory was 102.2 MB in the beginning and 92.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:21:25,709 INFO L168 Benchmark]: Boogie Preprocessor took 115.22 ms. Allocated memory was 139.5 MB in the beginning and 200.3 MB in the end (delta: 60.8 MB). Free memory was 92.6 MB in the beginning and 178.9 MB in the end (delta: -86.4 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:21:25,715 INFO L168 Benchmark]: RCFGBuilder took 325.51 ms. Allocated memory is still 200.3 MB. Free memory was 178.9 MB in the beginning and 165.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:21:25,717 INFO L168 Benchmark]: TraceAbstraction took 11841.64 ms. Allocated memory was 200.3 MB in the beginning and 498.1 MB in the end (delta: 297.8 MB). Free memory was 164.9 MB in the beginning and 287.3 MB in the end (delta: -122.4 MB). Peak memory consumption was 175.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:21:25,722 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 308.65 ms. Allocated memory is still 139.5 MB. Free memory was 102.2 MB in the beginning and 92.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.22 ms. Allocated memory was 139.5 MB in the beginning and 200.3 MB in the end (delta: 60.8 MB). Free memory was 92.6 MB in the beginning and 178.9 MB in the end (delta: -86.4 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 325.51 ms. Allocated memory is still 200.3 MB. Free memory was 178.9 MB in the beginning and 165.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11841.64 ms. Allocated memory was 200.3 MB in the beginning and 498.1 MB in the end (delta: 297.8 MB). Free memory was 164.9 MB in the beginning and 287.3 MB in the end (delta: -122.4 MB). Peak memory consumption was 175.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 39]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L36] int x = 6; [L37] CALL, EXPR fibo1(x) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND TRUE n < 1 [L19] return 0; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND FALSE !(n == 1) [L23] CALL, EXPR fibo1(n-1) [L8] COND FALSE !(n < 1) [L10] COND TRUE n == 1 [L11] return 1; [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND TRUE n < 1 [L9] return 0; [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-1) [L23] CALL, EXPR fibo1(n-2) [L8] COND FALSE !(n < 1) [L10] COND FALSE !(n == 1) [L13] CALL, EXPR fibo2(n-1) [L18] COND FALSE !(n < 1) [L20] COND TRUE n == 1 [L21] return 1; [L13] RET, EXPR fibo2(n-1) [L13] CALL, EXPR fibo2(n-2) [L18] COND TRUE n < 1 [L19] return 0; [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L23] RET, EXPR fibo1(n-2) [L23] return fibo1(n-1) + fibo1(n-2); [L13] RET, EXPR fibo2(n-2) [L13] return fibo2(n-1) + fibo2(n-2); [L37] RET, EXPR fibo1(x) [L37] int result = fibo1(x); [L38] COND TRUE result == 8 [L39] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.6s, OverallIterations: 15, TraceHistogramMax: 24, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 415 SDtfs, 389 SDslu, 1940 SDs, 0 SdLazy, 2170 SolverSat, 306 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 560 GetRequests, 389 SyntacticMatches, 6 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 70 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 1427 NumberOfCodeBlocks, 1427 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1236 ConstructedInterpolants, 0 QuantifiedInterpolants, 542276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 4336/6266 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...