/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 --rcfgbuilder.size.of.a.code.block SingleStatement --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/sum_25x0-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:59:30,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:59:30,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:59:30,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:59:30,388 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:59:30,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:59:30,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:59:30,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:59:30,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:59:30,410 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:59:30,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:59:30,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:59:30,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:59:30,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:59:30,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:59:30,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:59:30,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:59:30,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:59:30,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:59:30,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:59:30,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:59:30,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:59:30,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:59:30,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:59:30,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:59:30,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:59:30,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:59:30,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:59:30,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:59:30,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:59:30,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:59:30,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:59:30,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:59:30,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:59:30,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:59:30,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:59:30,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:59:30,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:59:30,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:59:30,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:59:30,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:59:30,443 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 [2020-09-24 15:59:30,469 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:59:30,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:59:30,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:59:30,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:59:30,472 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:59:30,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:59:30,472 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:59:30,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:59:30,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:59:30,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:59:30,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:59:30,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:59:30,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:59:30,473 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:59:30,474 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:59:30,474 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:59:30,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:59:30,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:59:30,475 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:59:30,475 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:59:30,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:59:30,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:59:30,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:59:30,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:59:30,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:59:30,476 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:59:30,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:59:30,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:59:30,477 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:59:30,477 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.rcfgbuilder: Size of a code block -> SingleStatement 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; [2020-09-24 15:59:30,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:59:30,952 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:59:30,957 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:59:30,960 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:59:30,962 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:59:30,963 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/sum_25x0-2.c [2020-09-24 15:59:31,066 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/755c0a372/9db4edb7e3224db985915ff76b07354a/FLAG471edf699 [2020-09-24 15:59:31,640 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:59:31,641 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/sum_25x0-2.c [2020-09-24 15:59:31,650 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/755c0a372/9db4edb7e3224db985915ff76b07354a/FLAG471edf699 [2020-09-24 15:59:31,972 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/755c0a372/9db4edb7e3224db985915ff76b07354a [2020-09-24 15:59:31,986 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:59:31,993 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:59:31,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:59:31,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:59:31,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:59:32,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:59:31" (1/1) ... [2020-09-24 15:59:32,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6251f5ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:59:32, skipping insertion in model container [2020-09-24 15:59:32,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:59:31" (1/1) ... [2020-09-24 15:59:32,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:59:32,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:59:32,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:59:32,253 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:59:32,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:59:32,291 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:59:32,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:59:32 WrapperNode [2020-09-24 15:59:32,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:59:32,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:59:32,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:59:32,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:59:32,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:59:32" (1/1) ... [2020-09-24 15:59:32,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:59:32" (1/1) ... [2020-09-24 15:59:32,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:59:32" (1/1) ... [2020-09-24 15:59:32,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:59:32" (1/1) ... [2020-09-24 15:59:32,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:59:32" (1/1) ... [2020-09-24 15:59:32,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:59:32" (1/1) ... [2020-09-24 15:59:32,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:59:32" (1/1) ... [2020-09-24 15:59:32,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:59:32,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:59:32,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:59:32,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:59:32,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:59:32" (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 [2020-09-24 15:59:32,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:59:32,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:59:32,497 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2020-09-24 15:59:32,497 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:59:32,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:59:32,498 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2020-09-24 15:59:32,498 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:59:32,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:59:32,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:59:32,711 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:59:32,712 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 15:59:32,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:59:32 BoogieIcfgContainer [2020-09-24 15:59:32,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:59:32,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:59:32,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:59:32,723 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:59:32,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:59:31" (1/3) ... [2020-09-24 15:59:32,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3456644b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:59:32, skipping insertion in model container [2020-09-24 15:59:32,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:59:32" (2/3) ... [2020-09-24 15:59:32,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3456644b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:59:32, skipping insertion in model container [2020-09-24 15:59:32,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:59:32" (3/3) ... [2020-09-24 15:59:32,728 INFO L109 eAbstractionObserver]: Analyzing ICFG sum_25x0-2.c [2020-09-24 15:59:32,740 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:59:32,751 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:59:32,774 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:59:32,809 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:59:32,810 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:59:32,810 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:59:32,810 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:59:32,810 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:59:32,810 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:59:32,811 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:59:32,811 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:59:32,834 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2020-09-24 15:59:32,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-09-24 15:59:32,842 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:32,843 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:32,843 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:32,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:32,850 INFO L82 PathProgramCache]: Analyzing trace with hash 989240825, now seen corresponding path program 1 times [2020-09-24 15:59:32,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:32,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [487407051] [2020-09-24 15:59:32,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:33,021 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:33,022 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:33,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:33,022 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:33,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:59:33,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:33,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 15:59:33,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:33,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:59:33,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:33,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:59:33,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:33,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:33,089 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:33,089 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:33,090 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:33,090 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:33,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:33,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:33,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:59:33,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:33,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:33,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:33,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:33,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:33,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:33,114 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:33,114 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:33,114 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:33,115 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:33,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:33,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:33,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:59:33,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:33,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:59:33,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:33,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:59:33,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:33,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:59:33,154 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [487407051] [2020-09-24 15:59:33,156 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:59:33,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:59:33,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947309645] [2020-09-24 15:59:33,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:59:33,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:33,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:59:33,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:59:33,188 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 5 states. [2020-09-24 15:59:33,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:33,306 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2020-09-24 15:59:33,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:59:33,309 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-09-24 15:59:33,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:33,325 INFO L225 Difference]: With dead ends: 39 [2020-09-24 15:59:33,325 INFO L226 Difference]: Without dead ends: 25 [2020-09-24 15:59:33,330 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 [2020-09-24 15:59:33,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-09-24 15:59:33,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-09-24 15:59:33,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-09-24 15:59:33,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2020-09-24 15:59:33,390 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 18 [2020-09-24 15:59:33,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:33,391 INFO L479 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2020-09-24 15:59:33,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:59:33,391 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2020-09-24 15:59:33,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-24 15:59:33,394 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:33,394 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, 1] [2020-09-24 15:59:33,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:59:33,395 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:33,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:33,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1852726759, now seen corresponding path program 1 times [2020-09-24 15:59:33,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:33,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [584570053] [2020-09-24 15:59:33,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:33,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:33,456 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:33,456 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:33,457 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:33,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-24 15:59:33,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:33,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 15:59:33,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:33,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:59:33,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:33,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:59:33,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:33,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:33,487 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:33,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:33,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:33,488 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:33,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:33,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:33,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:33,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:33,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:33,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:33,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:33,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:33,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:33,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:33,539 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:33,546 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:33,547 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:33,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:33,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:33,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-24 15:59:33,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:33,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:59:33,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:33,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:59:33,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:33,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:33,609 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:33,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:33,609 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:33,610 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:33,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:33,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:33,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:59:33,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:33,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:33,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:33,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:33,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:33,652 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-24 15:59:33,652 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [584570053] [2020-09-24 15:59:33,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:33,653 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-24 15:59:33,653 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984385056] [2020-09-24 15:59:33,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:59:33,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:33,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:59:33,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:59:33,656 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 7 states. [2020-09-24 15:59:33,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:33,738 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2020-09-24 15:59:33,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 15:59:33,739 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-09-24 15:59:33,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:33,740 INFO L225 Difference]: With dead ends: 36 [2020-09-24 15:59:33,740 INFO L226 Difference]: Without dead ends: 30 [2020-09-24 15:59:33,744 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:59:33,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-09-24 15:59:33,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-09-24 15:59:33,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-09-24 15:59:33,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2020-09-24 15:59:33,754 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 27 [2020-09-24 15:59:33,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:33,754 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2020-09-24 15:59:33,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:59:33,755 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2020-09-24 15:59:33,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-09-24 15:59:33,756 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:33,756 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:33,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:59:33,757 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:33,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:33,757 INFO L82 PathProgramCache]: Analyzing trace with hash -175020829, now seen corresponding path program 2 times [2020-09-24 15:59:33,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:33,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [470196157] [2020-09-24 15:59:33,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:33,822 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:33,823 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:33,823 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:33,823 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:33,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-24 15:59:33,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:33,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 15:59:33,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:33,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:59:33,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:33,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:33,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:33,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:33,869 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:33,869 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:33,869 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:33,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:33,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:33,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:33,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:33,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:33,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:33,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:33,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:33,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:33,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:33,926 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:33,926 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:33,927 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:33,927 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:33,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:33,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:33,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 15:59:33,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:33,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:59:33,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:33,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:59:33,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:33,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:33,986 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:33,986 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:33,986 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:33,987 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:33,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:33,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:33,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 15:59:33,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:33,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:33,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:33,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:33,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:34,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,065 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,065 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,065 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,068 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:34,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 15:59:34,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:34,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:34,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:34,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:59:34,130 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:59:34,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [470196157] [2020-09-24 15:59:34,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:34,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 15:59:34,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821383478] [2020-09-24 15:59:34,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:59:34,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:34,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:59:34,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:59:34,134 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 8 states. [2020-09-24 15:59:34,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:34,227 INFO L93 Difference]: Finished difference Result 41 states and 42 transitions. [2020-09-24 15:59:34,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:59:34,229 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2020-09-24 15:59:34,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:34,230 INFO L225 Difference]: With dead ends: 41 [2020-09-24 15:59:34,230 INFO L226 Difference]: Without dead ends: 35 [2020-09-24 15:59:34,232 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:59:34,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-09-24 15:59:34,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-09-24 15:59:34,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-09-24 15:59:34,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2020-09-24 15:59:34,247 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 36 [2020-09-24 15:59:34,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:34,249 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2020-09-24 15:59:34,250 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:59:34,250 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2020-09-24 15:59:34,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-09-24 15:59:34,252 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:34,252 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:34,252 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:59:34,252 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:34,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:34,254 INFO L82 PathProgramCache]: Analyzing trace with hash -1021564803, now seen corresponding path program 3 times [2020-09-24 15:59:34,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:34,255 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1100271110] [2020-09-24 15:59:34,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,358 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,358 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,358 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,362 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 15:59:34,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-24 15:59:34,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:59:34,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:34,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-24 15:59:34,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:34,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,403 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,403 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,404 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:34,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:34,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:34,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:34,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:34,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:59:34,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,470 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,470 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,470 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,472 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:34,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-24 15:59:34,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:59:34,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:34,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-24 15:59:34,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:34,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,549 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,550 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,550 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,550 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:34,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 15:59:34,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:34,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:34,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:34,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:34,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,601 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,601 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:34,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:59:34,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:34,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:34,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:34,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 15:59:34,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,660 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,660 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,660 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,663 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:34,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 15:59:34,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:34,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:34,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:34,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:34,700 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-09-24 15:59:34,701 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1100271110] [2020-09-24 15:59:34,701 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:34,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 15:59:34,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885981308] [2020-09-24 15:59:34,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:59:34,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:34,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:59:34,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:59:34,706 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand 8 states. [2020-09-24 15:59:34,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:34,816 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2020-09-24 15:59:34,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 15:59:34,816 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 45 [2020-09-24 15:59:34,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:34,818 INFO L225 Difference]: With dead ends: 46 [2020-09-24 15:59:34,818 INFO L226 Difference]: Without dead ends: 40 [2020-09-24 15:59:34,821 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:59:34,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-09-24 15:59:34,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-09-24 15:59:34,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-09-24 15:59:34,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2020-09-24 15:59:34,835 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 45 [2020-09-24 15:59:34,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:34,835 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2020-09-24 15:59:34,835 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:59:34,835 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2020-09-24 15:59:34,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-24 15:59:34,839 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:34,839 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:34,839 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:59:34,839 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:34,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:34,841 INFO L82 PathProgramCache]: Analyzing trace with hash -263249715, now seen corresponding path program 4 times [2020-09-24 15:59:34,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:34,842 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1819118380] [2020-09-24 15:59:34,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,891 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,891 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,892 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,892 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-24 15:59:34,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 15:59:34,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:59:34,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:34,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-24 15:59:34,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:34,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,913 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,914 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,914 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:34,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:34,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:34,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:34,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:34,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:34,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:34,960 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:34,960 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:34,960 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:34,961 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:34,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:59:34,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:34,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 15:59:34,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:34,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:59:34,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:34,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:59:34,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:34,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:35,023 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:35,024 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:35,024 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:35,024 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:35,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:35,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:35,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:59:35,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:35,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:35,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:35,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:59:35,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:35,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:35,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:35,073 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:35,073 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:35,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:35,074 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:35,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:35,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:35,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 15:59:35,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:35,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:35,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:35,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:35,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:35,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:35,123 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:35,123 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:35,124 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:35,124 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:35,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:35,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:35,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:59:35,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:35,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:35,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:35,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:35,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:35,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:35,160 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:35,160 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:35,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:35,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:35,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:35,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:35,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:59:35,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:35,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:35,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:35,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:35,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:35,209 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 6 proven. 43 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-09-24 15:59:35,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1819118380] [2020-09-24 15:59:35,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:35,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 15:59:35,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212409199] [2020-09-24 15:59:35,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:59:35,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:35,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:59:35,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:59:35,213 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand 10 states. [2020-09-24 15:59:35,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:35,361 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2020-09-24 15:59:35,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 15:59:35,362 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2020-09-24 15:59:35,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:35,363 INFO L225 Difference]: With dead ends: 51 [2020-09-24 15:59:35,363 INFO L226 Difference]: Without dead ends: 45 [2020-09-24 15:59:35,364 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:59:35,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-09-24 15:59:35,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-09-24 15:59:35,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-09-24 15:59:35,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2020-09-24 15:59:35,373 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 54 [2020-09-24 15:59:35,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:35,376 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2020-09-24 15:59:35,376 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:59:35,376 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2020-09-24 15:59:35,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-24 15:59:35,377 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:35,377 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:35,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:59:35,378 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:35,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:35,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1884999187, now seen corresponding path program 5 times [2020-09-24 15:59:35,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:35,379 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [718012710] [2020-09-24 15:59:35,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:35,441 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:35,442 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:35,442 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:35,442 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:35,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-24 15:59:35,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:35,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-24 15:59:35,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:35,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:59:35,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:35,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-24 15:59:35,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:35,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:35,472 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:35,472 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:35,473 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:35,473 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:35,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:35,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:35,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:35,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:35,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:35,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:35,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:35,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:35,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:35,532 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:35,532 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:35,532 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:35,532 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:35,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:59:35,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:35,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-24 15:59:35,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:35,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:59:35,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:35,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-09-24 15:59:35,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:35,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:35,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:35,603 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:35,604 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:35,604 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:35,604 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:35,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:59:35,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:35,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 15:59:35,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:35,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:35,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:35,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:59:35,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:35,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:35,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:35,674 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:35,675 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:35,675 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:35,675 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:35,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:35,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:35,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:59:35,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:35,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:35,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:35,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:59:35,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:35,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:35,725 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:35,725 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:35,726 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:35,726 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:35,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:35,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:35,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 15:59:35,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:35,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:35,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:35,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:35,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:35,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:35,762 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:35,763 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:35,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:35,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:35,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:35,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:35,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:59:35,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:35,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:35,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:35,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:35,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:35,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:35,794 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:35,794 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:35,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:35,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:35,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:35,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:35,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:59:35,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:35,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:35,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:35,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:35,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:35,832 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 9 proven. 75 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-09-24 15:59:35,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [718012710] [2020-09-24 15:59:35,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:35,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-24 15:59:35,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14985158] [2020-09-24 15:59:35,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:59:35,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:35,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:59:35,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:59:35,835 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 11 states. [2020-09-24 15:59:35,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:35,954 INFO L93 Difference]: Finished difference Result 56 states and 57 transitions. [2020-09-24 15:59:35,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 15:59:35,954 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 63 [2020-09-24 15:59:35,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:35,956 INFO L225 Difference]: With dead ends: 56 [2020-09-24 15:59:35,956 INFO L226 Difference]: Without dead ends: 50 [2020-09-24 15:59:35,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:59:35,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-09-24 15:59:35,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2020-09-24 15:59:35,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-09-24 15:59:35,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 51 transitions. [2020-09-24 15:59:35,965 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 51 transitions. Word has length 63 [2020-09-24 15:59:35,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:35,966 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 51 transitions. [2020-09-24 15:59:35,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:59:35,966 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2020-09-24 15:59:35,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-09-24 15:59:35,967 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:35,967 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:35,968 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:59:35,968 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:35,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:35,968 INFO L82 PathProgramCache]: Analyzing trace with hash -441437769, now seen corresponding path program 6 times [2020-09-24 15:59:35,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:35,969 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1201344695] [2020-09-24 15:59:35,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:36,030 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:36,030 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:36,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:36,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:36,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 15:59:36,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:36,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 15:59:36,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:36,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:59:36,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:36,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-24 15:59:36,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:36,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:36,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:36,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:36,057 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:36,057 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:36,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:36,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:36,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:36,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:36,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:36,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:36,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:36,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:36,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:36,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:36,124 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:36,124 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:36,125 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:36,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:59:36,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:36,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-24 15:59:36,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:36,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:59:36,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:36,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:59:36,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:36,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:36,209 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:36,209 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:36,210 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:36,210 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:36,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:59:36,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:36,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-24 15:59:36,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:36,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:36,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:36,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:59:36,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:36,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:36,295 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:36,296 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:36,296 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:36,296 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:36,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:59:36,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:36,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 15:59:36,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:36,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:36,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:36,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:59:36,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:36,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:36,347 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:36,348 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:36,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:36,348 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:36,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:36,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:36,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 15:59:36,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:36,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:36,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:36,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:59:36,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:36,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:36,389 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:36,389 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:36,389 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:36,390 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:36,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:36,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:36,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:59:36,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:36,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:36,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:36,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:36,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:36,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:36,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:36,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:36,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:36,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:36,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:36,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:36,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:59:36,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:36,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:36,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:36,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:36,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:36,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:36,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:36,462 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:36,462 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:36,462 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:36,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:36,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:36,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:59:36,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:36,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:36,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:36,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:36,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:36,506 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 15 proven. 89 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-09-24 15:59:36,506 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1201344695] [2020-09-24 15:59:36,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:36,507 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-24 15:59:36,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962381030] [2020-09-24 15:59:36,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 15:59:36,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:36,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 15:59:36,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:59:36,509 INFO L87 Difference]: Start difference. First operand 50 states and 51 transitions. Second operand 12 states. [2020-09-24 15:59:36,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:36,628 INFO L93 Difference]: Finished difference Result 61 states and 62 transitions. [2020-09-24 15:59:36,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:59:36,629 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 72 [2020-09-24 15:59:36,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:36,630 INFO L225 Difference]: With dead ends: 61 [2020-09-24 15:59:36,631 INFO L226 Difference]: Without dead ends: 55 [2020-09-24 15:59:36,632 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:59:36,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-09-24 15:59:36,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-09-24 15:59:36,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-09-24 15:59:36,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 56 transitions. [2020-09-24 15:59:36,639 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 56 transitions. Word has length 72 [2020-09-24 15:59:36,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:36,639 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 56 transitions. [2020-09-24 15:59:36,639 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 15:59:36,640 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2020-09-24 15:59:36,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-09-24 15:59:36,642 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:36,644 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:36,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:59:36,645 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:36,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:36,645 INFO L82 PathProgramCache]: Analyzing trace with hash 999943849, now seen corresponding path program 7 times [2020-09-24 15:59:36,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:36,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2035686924] [2020-09-24 15:59:36,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:36,727 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:36,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:36,727 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:36,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:36,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-09-24 15:59:36,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:36,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-24 15:59:36,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:36,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 15:59:36,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:36,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-24 15:59:36,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:36,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:36,762 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:36,762 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:36,762 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:36,762 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:36,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:36,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:36,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:36,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:36,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:36,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:36,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:36,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:36,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:36,834 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:36,835 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:36,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:36,835 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:36,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 15:59:36,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:36,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-24 15:59:36,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:36,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 15:59:36,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:36,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-24 15:59:36,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:36,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:36,938 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:36,938 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:36,938 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:36,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:36,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:59:36,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:36,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-24 15:59:36,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:36,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:36,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:36,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:59:36,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:36,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:37,046 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:37,046 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:37,047 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:37,047 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:37,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:59:37,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:37,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-24 15:59:37,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:37,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:37,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:37,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:59:37,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:37,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:37,115 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:37,116 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:37,116 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:37,116 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:37,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:59:37,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:37,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 15:59:37,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:37,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:37,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:37,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:59:37,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:37,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:37,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:37,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:37,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:37,173 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:37,173 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:37,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:37,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:37,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 15:59:37,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:37,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:37,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:37,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:59:37,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:37,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:37,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:37,227 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:37,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:37,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:37,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:37,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:37,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 15:59:37,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:37,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:37,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:37,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:37,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:37,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:37,274 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:37,274 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:37,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:37,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:37,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:37,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:37,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:59:37,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:37,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:37,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:37,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:37,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:37,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:37,310 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:37,310 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:37,311 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:37,311 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:37,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:37,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:37,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:59:37,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:37,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:37,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:37,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:37,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:37,372 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 26 proven. 137 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-09-24 15:59:37,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2035686924] [2020-09-24 15:59:37,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:37,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-24 15:59:37,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957829079] [2020-09-24 15:59:37,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 15:59:37,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:37,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 15:59:37,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-09-24 15:59:37,375 INFO L87 Difference]: Start difference. First operand 55 states and 56 transitions. Second operand 13 states. [2020-09-24 15:59:37,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:37,537 INFO L93 Difference]: Finished difference Result 66 states and 67 transitions. [2020-09-24 15:59:37,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 15:59:37,537 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 81 [2020-09-24 15:59:37,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:37,539 INFO L225 Difference]: With dead ends: 66 [2020-09-24 15:59:37,539 INFO L226 Difference]: Without dead ends: 60 [2020-09-24 15:59:37,540 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=148, Invalid=272, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:59:37,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-09-24 15:59:37,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-09-24 15:59:37,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-09-24 15:59:37,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2020-09-24 15:59:37,548 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 81 [2020-09-24 15:59:37,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:37,548 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2020-09-24 15:59:37,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-24 15:59:37,549 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2020-09-24 15:59:37,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-09-24 15:59:37,550 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:37,550 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:37,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:59:37,551 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:37,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:37,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1356134305, now seen corresponding path program 8 times [2020-09-24 15:59:37,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:37,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1701894134] [2020-09-24 15:59:37,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:37,653 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:37,653 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:37,654 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:37,654 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:37,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-09-24 15:59:37,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:37,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-24 15:59:37,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:37,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-24 15:59:37,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:37,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-24 15:59:37,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:37,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:37,682 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:37,682 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:37,683 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:37,683 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:37,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:37,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:37,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:37,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:37,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:37,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:37,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:37,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:37,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:37,784 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:37,784 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:37,784 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:37,785 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:37,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 15:59:37,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:37,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-24 15:59:37,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:37,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-24 15:59:37,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:37,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-24 15:59:37,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:37,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:37,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:37,946 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:37,947 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:37,947 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:37,947 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:37,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 15:59:37,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:37,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-24 15:59:37,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:37,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:37,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:37,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 15:59:37,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:37,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:38,073 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:38,074 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:38,074 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:38,074 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:38,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:59:38,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:38,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-24 15:59:38,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:38,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:38,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:38,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:59:38,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:38,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:38,204 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:38,205 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:38,205 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:38,205 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:38,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:59:38,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:38,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-24 15:59:38,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:38,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:38,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:38,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:59:38,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:38,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:38,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:38,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:38,276 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:38,276 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:38,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:59:38,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:38,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 15:59:38,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:38,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:38,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:38,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:59:38,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:38,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:38,330 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:38,330 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:38,330 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:38,331 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:38,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:38,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:38,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 15:59:38,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:38,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:38,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:38,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:59:38,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:38,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:38,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:38,375 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:38,375 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:38,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:38,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:38,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:38,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:59:38,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:38,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:38,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:38,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:38,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:38,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:38,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:38,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:38,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:38,424 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:38,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:38,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:38,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:59:38,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:38,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:38,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:38,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:38,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:38,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:38,456 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:38,456 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:38,457 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:38,457 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:38,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:38,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:38,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:59:38,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:38,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:38,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:38,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:38,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:38,508 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 36 proven. 177 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-09-24 15:59:38,508 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1701894134] [2020-09-24 15:59:38,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:38,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 15:59:38,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903108700] [2020-09-24 15:59:38,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:59:38,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:38,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:59:38,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:59:38,511 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 15 states. [2020-09-24 15:59:38,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:38,663 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2020-09-24 15:59:38,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 15:59:38,663 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 90 [2020-09-24 15:59:38,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:38,665 INFO L225 Difference]: With dead ends: 71 [2020-09-24 15:59:38,665 INFO L226 Difference]: Without dead ends: 65 [2020-09-24 15:59:38,666 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=191, Invalid=361, Unknown=0, NotChecked=0, Total=552 [2020-09-24 15:59:38,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-09-24 15:59:38,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-09-24 15:59:38,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-09-24 15:59:38,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 66 transitions. [2020-09-24 15:59:38,672 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 66 transitions. Word has length 90 [2020-09-24 15:59:38,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:38,673 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 66 transitions. [2020-09-24 15:59:38,673 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 15:59:38,673 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2020-09-24 15:59:38,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-09-24 15:59:38,674 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:38,675 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:38,675 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:59:38,675 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:38,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:38,675 INFO L82 PathProgramCache]: Analyzing trace with hash -928437697, now seen corresponding path program 9 times [2020-09-24 15:59:38,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:38,676 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [20341751] [2020-09-24 15:59:38,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:38,786 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:38,787 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:38,787 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:38,787 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:38,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-09-24 15:59:38,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:38,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-24 15:59:38,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:38,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-09-24 15:59:38,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:38,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-24 15:59:38,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:38,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:38,814 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:38,815 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:38,815 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:38,815 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:38,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:38,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:38,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:38,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:38,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:38,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:38,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:38,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:38,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:38,918 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:38,918 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:38,919 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:38,919 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:38,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:38,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:38,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-24 15:59:38,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:38,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-09-24 15:59:38,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:38,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-09-24 15:59:38,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:38,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:39,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:39,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:39,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:39,071 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:39,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 15:59:39,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:39,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-24 15:59:39,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:39,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:39,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:39,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 15:59:39,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:39,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:39,169 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:39,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:39,169 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:39,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:39,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 15:59:39,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:39,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-24 15:59:39,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:39,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:39,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:39,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 15:59:39,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:39,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:39,262 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:39,262 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:39,263 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:39,263 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:39,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:59:39,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:39,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-24 15:59:39,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:39,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:39,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:39,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:59:39,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:39,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:39,344 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:39,344 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:39,345 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:39,345 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:39,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:59:39,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:39,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 15:59:39,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:39,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:39,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:39,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:59:39,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:39,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:39,422 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:39,422 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:39,423 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:39,423 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:39,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:59:39,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:39,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 15:59:39,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:39,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:39,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:39,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:59:39,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:39,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:39,479 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:39,479 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:39,480 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:39,480 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:39,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:39,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:39,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 15:59:39,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:39,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:39,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:39,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:59:39,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:39,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:39,523 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:39,523 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:39,524 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:39,524 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:39,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:39,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:39,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:59:39,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:39,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:39,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:39,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:39,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:39,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:39,559 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:39,560 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:39,560 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:39,560 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:39,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:39,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:39,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:59:39,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:39,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:39,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:39,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:39,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:39,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:39,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:39,592 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:39,592 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:39,593 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:39,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:39,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:39,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:59:39,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:39,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:39,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:39,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:39,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:39,662 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 60 proven. 208 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-09-24 15:59:39,662 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [20341751] [2020-09-24 15:59:39,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:39,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 15:59:39,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076585905] [2020-09-24 15:59:39,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:59:39,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:39,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:59:39,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:59:39,665 INFO L87 Difference]: Start difference. First operand 65 states and 66 transitions. Second operand 15 states. [2020-09-24 15:59:39,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:39,820 INFO L93 Difference]: Finished difference Result 76 states and 77 transitions. [2020-09-24 15:59:39,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:59:39,821 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 99 [2020-09-24 15:59:39,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:39,822 INFO L225 Difference]: With dead ends: 76 [2020-09-24 15:59:39,822 INFO L226 Difference]: Without dead ends: 70 [2020-09-24 15:59:39,823 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=213, Invalid=387, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:59:39,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-09-24 15:59:39,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-09-24 15:59:39,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-09-24 15:59:39,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 71 transitions. [2020-09-24 15:59:39,829 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 71 transitions. Word has length 99 [2020-09-24 15:59:39,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:39,830 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 71 transitions. [2020-09-24 15:59:39,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 15:59:39,830 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 71 transitions. [2020-09-24 15:59:39,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-09-24 15:59:39,831 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:39,831 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:39,831 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 15:59:39,832 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:39,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:39,832 INFO L82 PathProgramCache]: Analyzing trace with hash -276966773, now seen corresponding path program 10 times [2020-09-24 15:59:39,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:39,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [787985544] [2020-09-24 15:59:39,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:39,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:39,969 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:39,970 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:39,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:39,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-09-24 15:59:39,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:39,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-24 15:59:39,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:39,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-09-24 15:59:39,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:39,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-24 15:59:39,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:40,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:40,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:40,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:40,005 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:40,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:40,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:40,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:40,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:40,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:40,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:40,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:40,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:40,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:40,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:40,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:40,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:40,172 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:40,173 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:40,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 15:59:40,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:40,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-09-24 15:59:40,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:40,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-09-24 15:59:40,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:40,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-09-24 15:59:40,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:40,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:40,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:40,329 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:40,330 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:40,330 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:40,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:40,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:40,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-24 15:59:40,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:40,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:59:40,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:40,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:59:40,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:40,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:40,444 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:40,445 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:40,445 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:40,445 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:40,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 15:59:40,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:40,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-24 15:59:40,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:40,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:40,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:40,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 15:59:40,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:40,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:40,553 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:40,553 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:40,554 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:40,554 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:40,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 15:59:40,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:40,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-24 15:59:40,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:40,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:40,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:40,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 15:59:40,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:40,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:40,644 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:40,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:40,645 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:40,645 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:40,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:59:40,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:40,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-24 15:59:40,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:40,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:40,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:40,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:59:40,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:40,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:40,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:40,728 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:40,728 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:40,728 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:40,729 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:40,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:59:40,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:40,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 15:59:40,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:40,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:40,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:40,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:59:40,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:40,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:40,802 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:40,803 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:40,803 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:40,804 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:40,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:59:40,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:40,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 15:59:40,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:40,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:40,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:40,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:59:40,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:40,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:40,863 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:40,864 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:40,864 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:40,864 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:40,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:40,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:40,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 15:59:40,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:40,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:40,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:40,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:59:40,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:40,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:40,916 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:40,916 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:40,916 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:40,917 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:40,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:40,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:40,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:59:40,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:40,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:40,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:40,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:40,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:40,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:40,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:40,961 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:40,961 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:40,962 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:40,962 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:40,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:40,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:40,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:59:40,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:40,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:40,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:40,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:40,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:40,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:40,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:40,999 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:40,999 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:41,000 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:41,000 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:41,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:41,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:41,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:59:41,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:41,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:41,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:41,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:41,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:41,124 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 48 proven. 266 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2020-09-24 15:59:41,124 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [787985544] [2020-09-24 15:59:41,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:41,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-24 15:59:41,125 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685272923] [2020-09-24 15:59:41,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-24 15:59:41,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:41,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-24 15:59:41,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2020-09-24 15:59:41,126 INFO L87 Difference]: Start difference. First operand 70 states and 71 transitions. Second operand 16 states. [2020-09-24 15:59:41,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:41,303 INFO L93 Difference]: Finished difference Result 81 states and 82 transitions. [2020-09-24 15:59:41,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:59:41,304 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 108 [2020-09-24 15:59:41,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:41,305 INFO L225 Difference]: With dead ends: 81 [2020-09-24 15:59:41,305 INFO L226 Difference]: Without dead ends: 75 [2020-09-24 15:59:41,306 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=250, Invalid=452, Unknown=0, NotChecked=0, Total=702 [2020-09-24 15:59:41,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-09-24 15:59:41,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-09-24 15:59:41,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-09-24 15:59:41,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 76 transitions. [2020-09-24 15:59:41,320 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 76 transitions. Word has length 108 [2020-09-24 15:59:41,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:41,320 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 76 transitions. [2020-09-24 15:59:41,320 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-24 15:59:41,320 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2020-09-24 15:59:41,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-09-24 15:59:41,323 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:41,323 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:41,323 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 15:59:41,325 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:41,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:41,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1749540651, now seen corresponding path program 11 times [2020-09-24 15:59:41,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:41,326 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1499357707] [2020-09-24 15:59:41,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:41,476 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:41,476 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:41,476 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:41,476 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:41,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-09-24 15:59:41,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:41,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-24 15:59:41,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:41,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-09-24 15:59:41,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:41,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:59:41,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:41,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:41,510 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:41,510 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:41,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:41,511 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:41,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:41,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:41,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:41,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:41,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:41,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:41,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:41,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:41,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:41,640 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:41,640 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:41,640 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:41,640 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:41,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-24 15:59:41,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:41,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-24 15:59:41,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:41,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-09-24 15:59:41,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:41,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-09-24 15:59:41,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:41,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:41,798 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:41,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:41,799 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:41,799 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:41,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 15:59:41,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:41,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-24 15:59:41,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:41,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:59:41,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:41,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-24 15:59:41,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:41,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:41,937 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:41,937 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:41,937 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:41,937 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:41,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:41,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:41,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-24 15:59:41,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:41,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:59:41,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:41,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:59:41,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:41,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:42,064 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:42,064 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:42,065 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:42,065 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:42,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 15:59:42,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:42,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-24 15:59:42,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:42,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:42,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:42,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 15:59:42,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:42,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:42,195 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:42,195 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:42,196 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:42,196 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:42,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 15:59:42,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:42,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-24 15:59:42,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:42,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:42,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:42,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 15:59:42,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:42,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:42,294 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:42,295 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:42,295 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:42,296 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:42,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:59:42,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:42,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-24 15:59:42,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:42,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:42,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:42,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:59:42,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:42,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:42,386 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:42,386 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:42,387 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:42,387 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:42,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:59:42,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:42,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 15:59:42,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:42,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:42,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:42,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:59:42,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:42,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:42,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:42,454 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:42,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:42,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:42,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:59:42,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:42,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:59:42,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:42,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:42,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:42,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:59:42,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:42,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:42,515 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:42,515 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:42,516 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:42,516 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:42,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:42,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:42,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 15:59:42,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:42,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:42,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:42,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:59:42,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:42,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:42,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:42,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:42,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:42,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:42,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:42,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:42,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:59:42,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:42,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:42,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:42,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:42,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:42,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:42,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:42,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:42,608 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:42,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:42,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:42,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:42,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:59:42,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:42,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:42,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:42,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:42,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:42,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:42,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:42,642 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:42,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:42,643 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:42,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:42,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:42,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:59:42,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:42,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:42,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:42,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:42,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:42,756 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 27 proven. 348 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2020-09-24 15:59:42,756 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1499357707] [2020-09-24 15:59:42,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:42,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-24 15:59:42,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279818567] [2020-09-24 15:59:42,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-24 15:59:42,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:42,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-24 15:59:42,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=174, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:59:42,759 INFO L87 Difference]: Start difference. First operand 75 states and 76 transitions. Second operand 17 states. [2020-09-24 15:59:42,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:42,962 INFO L93 Difference]: Finished difference Result 86 states and 87 transitions. [2020-09-24 15:59:42,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 15:59:42,962 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 117 [2020-09-24 15:59:42,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:42,964 INFO L225 Difference]: With dead ends: 86 [2020-09-24 15:59:42,964 INFO L226 Difference]: Without dead ends: 80 [2020-09-24 15:59:42,965 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=290, Invalid=522, Unknown=0, NotChecked=0, Total=812 [2020-09-24 15:59:42,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-09-24 15:59:42,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2020-09-24 15:59:42,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-09-24 15:59:42,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 81 transitions. [2020-09-24 15:59:42,971 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 81 transitions. Word has length 117 [2020-09-24 15:59:42,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:42,971 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 81 transitions. [2020-09-24 15:59:42,971 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-24 15:59:42,971 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 81 transitions. [2020-09-24 15:59:42,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-09-24 15:59:42,973 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:42,973 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:42,973 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-24 15:59:42,973 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:42,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:42,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1141580405, now seen corresponding path program 12 times [2020-09-24 15:59:42,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:42,974 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1896870722] [2020-09-24 15:59:42,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:43,127 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:43,128 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:43,128 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:43,128 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:43,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-09-24 15:59:43,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:43,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-09-24 15:59:43,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:43,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-24 15:59:43,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:43,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-24 15:59:43,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:43,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:43,160 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:43,160 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:43,160 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:43,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:43,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:43,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:43,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:43,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:43,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:43,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:43,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:43,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:43,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:43,309 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:43,309 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:43,310 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:43,310 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:43,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 15:59:43,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:43,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-24 15:59:43,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:43,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-24 15:59:43,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:43,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-09-24 15:59:43,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:43,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:43,486 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:43,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:43,487 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:43,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:43,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-24 15:59:43,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:43,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-09-24 15:59:43,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:43,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:59:43,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:43,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 15:59:43,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:43,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:43,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:43,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:43,664 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:43,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:43,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 15:59:43,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:43,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-24 15:59:43,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:43,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:59:43,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:43,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-24 15:59:43,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:43,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:43,788 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:43,788 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:43,788 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:43,789 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:43,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:43,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:43,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-24 15:59:43,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:43,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:59:43,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:43,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:59:43,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:43,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:43,902 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:43,902 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:43,902 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:43,903 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:43,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 15:59:43,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:43,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-24 15:59:43,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:43,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:43,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:43,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 15:59:43,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:43,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:43,997 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:43,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:43,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:43,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:43,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 15:59:43,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:43,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-24 15:59:43,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:43,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:44,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:44,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 15:59:44,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:44,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:44,079 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:44,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:44,080 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:44,080 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:44,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:59:44,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:44,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-24 15:59:44,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:44,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:44,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:44,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:59:44,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:44,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:44,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:44,147 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:44,147 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:44,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:44,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:59:44,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:44,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 15:59:44,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:44,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:44,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:44,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:59:44,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:44,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:44,212 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:44,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:44,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:44,213 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:44,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:59:44,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:44,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 15:59:44,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:44,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:44,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:44,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:59:44,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:44,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:44,263 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:44,263 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:44,264 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:44,264 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:44,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:44,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:44,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 15:59:44,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:44,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:44,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:44,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:59:44,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:44,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:44,306 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:44,307 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:44,307 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:44,307 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:44,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:44,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:44,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:59:44,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:44,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:44,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:44,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:44,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:44,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:44,344 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:44,344 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:44,345 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:44,345 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:44,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:44,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:44,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:59:44,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:44,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:44,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:44,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:44,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:44,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:44,383 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:44,383 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:44,384 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:44,384 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:44,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:44,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:44,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:59:44,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:44,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:44,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:44,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:44,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:44,508 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 6 proven. 412 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2020-09-24 15:59:44,508 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1896870722] [2020-09-24 15:59:44,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:44,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-24 15:59:44,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118352739] [2020-09-24 15:59:44,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-24 15:59:44,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:44,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-24 15:59:44,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=194, Unknown=0, NotChecked=0, Total=306 [2020-09-24 15:59:44,511 INFO L87 Difference]: Start difference. First operand 80 states and 81 transitions. Second operand 18 states. [2020-09-24 15:59:44,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:44,778 INFO L93 Difference]: Finished difference Result 91 states and 92 transitions. [2020-09-24 15:59:44,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 15:59:44,779 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 126 [2020-09-24 15:59:44,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:44,780 INFO L225 Difference]: With dead ends: 91 [2020-09-24 15:59:44,780 INFO L226 Difference]: Without dead ends: 85 [2020-09-24 15:59:44,782 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=333, Invalid=597, Unknown=0, NotChecked=0, Total=930 [2020-09-24 15:59:44,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-09-24 15:59:44,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-09-24 15:59:44,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-09-24 15:59:44,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 86 transitions. [2020-09-24 15:59:44,800 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 86 transitions. Word has length 126 [2020-09-24 15:59:44,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:44,801 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 86 transitions. [2020-09-24 15:59:44,801 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-24 15:59:44,801 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 86 transitions. [2020-09-24 15:59:44,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-09-24 15:59:44,805 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:44,806 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:44,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-24 15:59:44,806 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:44,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:44,808 INFO L82 PathProgramCache]: Analyzing trace with hash 55997035, now seen corresponding path program 13 times [2020-09-24 15:59:44,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:44,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1287282608] [2020-09-24 15:59:44,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:44,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:45,014 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:45,015 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:45,015 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:45,015 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:45,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-09-24 15:59:45,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:45,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-09-24 15:59:45,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:45,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-09-24 15:59:45,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:45,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 15:59:45,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 15:59:45,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:45,050 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:45,050 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:45,050 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:45,050 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:45,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:45,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:45,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:45,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:45,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:45,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:45,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:45,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:45,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:45,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:45,222 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:45,222 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:45,222 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:45,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-09-24 15:59:45,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:45,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-09-24 15:59:45,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:45,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-09-24 15:59:45,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:45,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-09-24 15:59:45,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:45,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:45,449 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:45,449 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:45,450 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:45,450 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:45,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 15:59:45,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:45,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-09-24 15:59:45,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:45,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:59:45,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:45,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 15:59:45,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:45,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:45,633 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:45,633 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:45,633 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:45,634 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:45,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-24 15:59:45,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:45,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-24 15:59:45,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:45,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:59:45,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:45,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 15:59:45,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:45,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:45,788 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:45,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:45,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:45,789 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:45,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 15:59:45,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:45,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-24 15:59:45,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:45,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:59:45,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:45,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-24 15:59:45,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:45,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:45,931 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:45,931 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:45,931 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:45,931 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:45,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:45,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:45,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-24 15:59:45,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:45,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:59:45,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:45,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:59:45,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:45,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:46,037 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:46,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:46,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:46,038 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:46,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 15:59:46,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:46,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-24 15:59:46,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:46,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:46,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:46,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 15:59:46,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:46,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:46,137 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:46,137 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:46,138 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:46,138 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:46,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 15:59:46,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:46,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-24 15:59:46,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:46,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:46,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:46,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 15:59:46,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:46,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:46,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:46,225 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:46,225 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:46,226 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:46,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:59:46,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:46,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-24 15:59:46,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:46,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:46,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:46,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:59:46,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:46,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:46,297 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:46,298 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:46,298 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:46,298 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:46,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:59:46,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:46,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 15:59:46,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:46,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:46,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:46,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:59:46,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:46,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:46,357 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:46,358 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:46,358 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:46,358 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:46,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:59:46,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:46,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 15:59:46,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:46,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:46,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:46,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:59:46,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:46,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:46,409 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:46,409 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:46,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:46,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:46,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:46,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:46,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:59:46,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:46,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:46,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:46,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:59:46,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:46,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:46,456 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:46,457 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:46,458 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:46,458 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:46,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:46,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:46,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:59:46,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:46,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:46,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:46,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:46,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:59:46,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:46,510 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:46,510 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:46,511 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:46,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:46,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:46,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:46,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:59:46,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:46,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:46,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:46,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:46,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:59:46,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:46,559 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:46,559 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:46,560 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:46,561 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:46,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:46,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:46,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:59:46,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:46,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:46,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:46,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:46,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:59:46,841 INFO L134 CoverageAnalysis]: Checked inductivity of 767 backedges. 48 proven. 519 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2020-09-24 15:59:46,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1287282608] [2020-09-24 15:59:46,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:46,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-09-24 15:59:46,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075468679] [2020-09-24 15:59:46,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-24 15:59:46,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:46,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-24 15:59:46,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=286, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:59:46,847 INFO L87 Difference]: Start difference. First operand 85 states and 86 transitions. Second operand 21 states. [2020-09-24 15:59:47,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:47,205 INFO L93 Difference]: Finished difference Result 96 states and 97 transitions. [2020-09-24 15:59:47,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 15:59:47,206 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 135 [2020-09-24 15:59:47,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:47,208 INFO L225 Difference]: With dead ends: 96 [2020-09-24 15:59:47,208 INFO L226 Difference]: Without dead ends: 90 [2020-09-24 15:59:47,210 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=414, Invalid=776, Unknown=0, NotChecked=0, Total=1190 [2020-09-24 15:59:47,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-09-24 15:59:47,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2020-09-24 15:59:47,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-09-24 15:59:47,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 91 transitions. [2020-09-24 15:59:47,220 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 91 transitions. Word has length 135 [2020-09-24 15:59:47,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:47,221 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 91 transitions. [2020-09-24 15:59:47,221 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-09-24 15:59:47,221 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 91 transitions. [2020-09-24 15:59:47,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-09-24 15:59:47,226 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:47,226 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:47,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-24 15:59:47,226 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:47,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:47,227 INFO L82 PathProgramCache]: Analyzing trace with hash 394086239, now seen corresponding path program 14 times [2020-09-24 15:59:47,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:47,228 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1898560187] [2020-09-24 15:59:47,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:47,447 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:47,447 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:47,448 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:47,448 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:47,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 15:59:47,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:47,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-09-24 15:59:47,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:47,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-09-24 15:59:47,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:47,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-24 15:59:47,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:47,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:47,501 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:47,502 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:47,502 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:47,502 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:47,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:47,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:47,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:47,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:47,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:47,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:47,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:47,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:47,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:47,753 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:47,754 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:47,754 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:47,755 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:47,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-09-24 15:59:47,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:47,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 211 [2020-09-24 15:59:47,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:47,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-09-24 15:59:47,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:47,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-09-24 15:59:47,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:47,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:48,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:48,070 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:48,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:48,071 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:48,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-09-24 15:59:48,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:48,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-09-24 15:59:48,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:48,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 15:59:48,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:48,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-24 15:59:48,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:48,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:48,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:48,343 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:48,343 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:48,344 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:48,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 15:59:48,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:48,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-09-24 15:59:48,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:48,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:59:48,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:48,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 15:59:48,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:48,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:48,588 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:48,588 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:48,589 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:48,589 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:48,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-24 15:59:48,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:48,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-24 15:59:48,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:48,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:59:48,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:48,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 15:59:48,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:48,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:48,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:48,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:48,734 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:48,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:48,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 15:59:48,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:48,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-24 15:59:48,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:48,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:59:48,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:48,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-24 15:59:48,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:48,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:48,873 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:48,874 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:48,874 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:48,874 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:48,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:48,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:48,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-24 15:59:48,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:48,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:59:48,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:48,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:59:48,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:48,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:48,990 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:48,990 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:48,991 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:48,991 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:48,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 15:59:48,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:48,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-24 15:59:48,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:48,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:48,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:48,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 15:59:48,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:49,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:49,101 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:49,102 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:49,102 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:49,103 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:49,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 15:59:49,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:49,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-24 15:59:49,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:49,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:49,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:49,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 15:59:49,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:49,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:49,219 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:49,220 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:49,220 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:49,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:49,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:59:49,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:49,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-24 15:59:49,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:49,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:49,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:49,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:59:49,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:49,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:49,306 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:49,306 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:49,307 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:49,307 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:49,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:59:49,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:49,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 15:59:49,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:49,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:49,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:49,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:59:49,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:49,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:49,369 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:49,369 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:49,370 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:49,370 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:49,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:59:49,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:49,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 15:59:49,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:49,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:49,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:49,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:59:49,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:49,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:49,423 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:49,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:49,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:49,425 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:49,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:49,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:49,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 15:59:49,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:49,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:49,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:49,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:59:49,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:49,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:49,471 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:49,472 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:49,472 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:49,473 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:49,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:49,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:49,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:59:49,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:49,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:49,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:49,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:49,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:49,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:49,514 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:49,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:49,515 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:49,515 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:49,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:49,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:49,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:59:49,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:49,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:49,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:49,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:49,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:49,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:49,561 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:49,562 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:49,562 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:49,562 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:49,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:49,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:49,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:59:49,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:49,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:49,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:49,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:49,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:49,795 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 107 proven. 555 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2020-09-24 15:59:49,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1898560187] [2020-09-24 15:59:49,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:49,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-09-24 15:59:49,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627500921] [2020-09-24 15:59:49,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-24 15:59:49,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:49,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-24 15:59:49,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=274, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:59:49,799 INFO L87 Difference]: Start difference. First operand 90 states and 91 transitions. Second operand 21 states. [2020-09-24 15:59:50,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:50,049 INFO L93 Difference]: Finished difference Result 101 states and 102 transitions. [2020-09-24 15:59:50,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:59:50,050 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 144 [2020-09-24 15:59:50,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:50,051 INFO L225 Difference]: With dead ends: 101 [2020-09-24 15:59:50,051 INFO L226 Difference]: Without dead ends: 95 [2020-09-24 15:59:50,052 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=446, Invalid=814, Unknown=0, NotChecked=0, Total=1260 [2020-09-24 15:59:50,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-09-24 15:59:50,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2020-09-24 15:59:50,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-09-24 15:59:50,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 96 transitions. [2020-09-24 15:59:50,063 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 96 transitions. Word has length 144 [2020-09-24 15:59:50,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:50,063 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 96 transitions. [2020-09-24 15:59:50,063 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-09-24 15:59:50,064 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 96 transitions. [2020-09-24 15:59:50,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-09-24 15:59:50,067 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:50,067 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:50,068 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-24 15:59:50,068 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:50,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:50,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1047772929, now seen corresponding path program 15 times [2020-09-24 15:59:50,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:50,069 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [552616810] [2020-09-24 15:59:50,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:50,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:50,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:50,290 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:50,290 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:50,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:50,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-24 15:59:50,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:50,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-09-24 15:59:50,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:50,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-09-24 15:59:50,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:50,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-24 15:59:50,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:50,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:50,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:50,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:50,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:50,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:50,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:50,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:50,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:50,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:50,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:50,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:50,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:50,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:50,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:50,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:50,533 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:50,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:50,533 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:50,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-09-24 15:59:50,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:50,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-09-24 15:59:50,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:50,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-09-24 15:59:50,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:50,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-09-24 15:59:50,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:50,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:50,766 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:50,766 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:50,766 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:50,766 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:50,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-09-24 15:59:50,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:50,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-09-24 15:59:50,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:50,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 15:59:50,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:50,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-09-24 15:59:50,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:50,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:50,983 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:50,983 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:50,983 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:50,984 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:50,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-09-24 15:59:50,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:50,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-09-24 15:59:50,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:50,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 15:59:50,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:50,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-24 15:59:50,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:51,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:51,195 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:51,196 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:51,196 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:51,196 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:51,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 15:59:51,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:51,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-09-24 15:59:51,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:51,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:59:51,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:51,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 15:59:51,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:51,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:51,365 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:51,366 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:51,366 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:51,366 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:51,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-24 15:59:51,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:51,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-24 15:59:51,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:51,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:59:51,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:51,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 15:59:51,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:51,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:51,515 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:51,515 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:51,516 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:51,516 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:51,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 15:59:51,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:51,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-24 15:59:51,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:51,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:59:51,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:51,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-24 15:59:51,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:51,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:51,664 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:51,665 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:51,665 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:51,666 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:51,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:51,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:51,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-24 15:59:51,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:51,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:59:51,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:51,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:59:51,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:59:51,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:51,805 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:51,806 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:51,806 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:51,807 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:51,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 15:59:51,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:51,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-09-24 15:59:51,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:51,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:51,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:51,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 15:59:51,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:51,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:51,936 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:51,937 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:51,937 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:51,938 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:51,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 15:59:51,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:51,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-24 15:59:51,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:51,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:51,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:51,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 15:59:51,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:51,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:52,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:52,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:52,080 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:52,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:52,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:59:52,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:52,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-24 15:59:52,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:52,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:52,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:52,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:59:52,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:52,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:52,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:52,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:52,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:52,150 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:52,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:59:52,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:52,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 15:59:52,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:52,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:52,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:52,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:59:52,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:52,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:52,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:52,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:52,205 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:52,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:52,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:52,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:59:52,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:52,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 15:59:52,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:52,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:52,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:52,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:59:52,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:52,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:52,256 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:52,257 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:52,257 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:52,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:52,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:52,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:52,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 15:59:52,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:52,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:52,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:52,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:59:52,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:52,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:52,301 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:52,301 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:52,302 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:52,302 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:52,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:52,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:52,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:59:52,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:52,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:52,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:52,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:52,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:52,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:52,339 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:52,339 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:52,339 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:52,340 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:52,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:52,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:52,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:59:52,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:52,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:52,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:52,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:52,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:52,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:52,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:52,375 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:52,375 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:52,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:52,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:52,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:52,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:59:52,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:52,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:52,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:52,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:52,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:52,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 40 proven. 669 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2020-09-24 15:59:52,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [552616810] [2020-09-24 15:59:52,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:52,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-09-24 15:59:52,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131324405] [2020-09-24 15:59:52,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-24 15:59:52,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:52,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-24 15:59:52,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=260, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:59:52,536 INFO L87 Difference]: Start difference. First operand 95 states and 96 transitions. Second operand 21 states. [2020-09-24 15:59:52,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:52,901 INFO L93 Difference]: Finished difference Result 106 states and 107 transitions. [2020-09-24 15:59:52,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-24 15:59:52,902 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 153 [2020-09-24 15:59:52,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:52,904 INFO L225 Difference]: With dead ends: 106 [2020-09-24 15:59:52,905 INFO L226 Difference]: Without dead ends: 100 [2020-09-24 15:59:52,906 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=480, Invalid=852, Unknown=0, NotChecked=0, Total=1332 [2020-09-24 15:59:52,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-09-24 15:59:52,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2020-09-24 15:59:52,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-09-24 15:59:52,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 101 transitions. [2020-09-24 15:59:52,916 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 101 transitions. Word has length 153 [2020-09-24 15:59:52,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:52,920 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 101 transitions. [2020-09-24 15:59:52,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-09-24 15:59:52,920 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 101 transitions. [2020-09-24 15:59:52,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-24 15:59:52,923 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:52,924 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:52,924 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-24 15:59:52,924 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:52,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:52,925 INFO L82 PathProgramCache]: Analyzing trace with hash -76242615, now seen corresponding path program 16 times [2020-09-24 15:59:52,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:52,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2106942561] [2020-09-24 15:59:52,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:53,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:53,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:53,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:53,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:53,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-09-24 15:59:53,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:53,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 257 [2020-09-24 15:59:53,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:53,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-09-24 15:59:53,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:53,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-09-24 15:59:53,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:53,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:53,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:53,290 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:53,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:53,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:53,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:53,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:53,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:53,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:53,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:53,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:53,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:53,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:53,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:53,589 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:53,590 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:53,590 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:53,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:53,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-09-24 15:59:53,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:53,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 249 [2020-09-24 15:59:53,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:53,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-09-24 15:59:53,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:53,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 184 [2020-09-24 15:59:53,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:53,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:54,002 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:54,003 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:54,003 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:54,004 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:54,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-09-24 15:59:54,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:54,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-09-24 15:59:54,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:54,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 15:59:54,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:54,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-09-24 15:59:54,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:54,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:54,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:54,320 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:54,320 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:54,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:54,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:54,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-09-24 15:59:54,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:54,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-09-24 15:59:54,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:54,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 15:59:54,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:54,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-09-24 15:59:54,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:54,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:54,617 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:54,618 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:54,618 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:54,619 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:54,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-09-24 15:59:54,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:54,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-09-24 15:59:54,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:54,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 15:59:54,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:54,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-24 15:59:54,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:54,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:54,850 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:54,851 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:54,851 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:54,852 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:54,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 15:59:54,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:54,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-09-24 15:59:54,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:54,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:59:54,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:54,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 15:59:54,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:54,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:55,073 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:55,074 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:55,075 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:55,075 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:55,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-24 15:59:55,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:55,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-09-24 15:59:55,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:55,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:59:55,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:55,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 15:59:55,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:55,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:55,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:55,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:55,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:55,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:55,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 15:59:55,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:55,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-09-24 15:59:55,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:55,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:59:55,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:55,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-24 15:59:55,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:55,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:55,418 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:55,418 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:55,419 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:55,419 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:55,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:55,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:55,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-24 15:59:55,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:55,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:59:55,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:55,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:59:55,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:55,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:55,560 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:55,561 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:55,561 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:55,562 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:55,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 15:59:55,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:55,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-24 15:59:55,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:55,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:55,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:55,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 15:59:55,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:55,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:55,682 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:55,683 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:55,683 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:55,683 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:55,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 15:59:55,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:55,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-24 15:59:55,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:55,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:55,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:55,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 15:59:55,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:55,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:55,765 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:55,766 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:55,766 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:55,766 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:55,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:59:55,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:55,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 15:59:55,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:55,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:55,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:55,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:59:55,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:55,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:55,831 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:55,831 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:55,832 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:55,832 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:55,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:59:55,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:55,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:59:55,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:55,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:55,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:55,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:59:55,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:55,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:55,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:55,901 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:55,902 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:55,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:55,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:59:55,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:55,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 15:59:55,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:55,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:55,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:55,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:59:55,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:55,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:55,957 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:55,957 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:55,958 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:55,958 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:55,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:55,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:55,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 15:59:55,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:55,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:55,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:55,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:59:55,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:55,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:56,009 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:56,009 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:56,009 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:56,010 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:56,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:56,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:56,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:59:56,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:56,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:56,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:56,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:56,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:56,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:56,050 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:56,050 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:56,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:56,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:56,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:56,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:56,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:59:56,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:56,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:56,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:56,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:56,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:56,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:56,085 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:56,085 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:56,086 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:56,086 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:56,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:56,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:56,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:59:56,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:56,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:56,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:56,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:56,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:56,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1160 backedges. 48 proven. 791 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2020-09-24 15:59:56,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2106942561] [2020-09-24 15:59:56,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:56,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-24 15:59:56,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529242672] [2020-09-24 15:59:56,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-24 15:59:56,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:56,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-24 15:59:56,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=325, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:59:56,299 INFO L87 Difference]: Start difference. First operand 100 states and 101 transitions. Second operand 23 states. [2020-09-24 15:59:56,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:59:56,569 INFO L93 Difference]: Finished difference Result 111 states and 112 transitions. [2020-09-24 15:59:56,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 15:59:56,569 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 162 [2020-09-24 15:59:56,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:59:56,571 INFO L225 Difference]: With dead ends: 111 [2020-09-24 15:59:56,571 INFO L226 Difference]: Without dead ends: 105 [2020-09-24 15:59:56,572 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=555, Invalid=1005, Unknown=0, NotChecked=0, Total=1560 [2020-09-24 15:59:56,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-09-24 15:59:56,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2020-09-24 15:59:56,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-09-24 15:59:56,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 106 transitions. [2020-09-24 15:59:56,578 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 106 transitions. Word has length 162 [2020-09-24 15:59:56,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:59:56,578 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 106 transitions. [2020-09-24 15:59:56,578 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-24 15:59:56,578 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 106 transitions. [2020-09-24 15:59:56,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-09-24 15:59:56,580 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:59:56,580 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:59:56,581 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-24 15:59:56,581 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:59:56,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:59:56,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1382000279, now seen corresponding path program 17 times [2020-09-24 15:59:56,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:59:56,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2081430090] [2020-09-24 15:59:56,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:59:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:56,850 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:56,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:56,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:56,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:56,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-09-24 15:59:56,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:56,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-09-24 15:59:56,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:56,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-09-24 15:59:56,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:59:56,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-24 15:59:56,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:56,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:59:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:56,892 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:56,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:56,892 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:56,893 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:56,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:59:56,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:56,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:59:56,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:56,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:59:56,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:56,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:59:56,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:56,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 15:59:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:57,163 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:57,163 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:57,163 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:57,163 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:57,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 15:59:57,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:57,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-09-24 15:59:57,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:57,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-09-24 15:59:57,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:59:57,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 195 [2020-09-24 15:59:57,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:57,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:57,498 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:57,498 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:57,499 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:57,499 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:57,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-09-24 15:59:57,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:57,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 259 [2020-09-24 15:59:57,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:57,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-24 15:59:57,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:57,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-09-24 15:59:57,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:57,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:57,815 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:57,816 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:57,816 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:57,816 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:57,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-09-24 15:59:57,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:57,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-09-24 15:59:57,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:57,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 15:59:57,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:57,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-09-24 15:59:57,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:57,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:58,043 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:58,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:58,044 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:58,044 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:58,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-09-24 15:59:58,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:58,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-09-24 15:59:58,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:58,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 15:59:58,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:58,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-09-24 15:59:58,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:58,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:58,280 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:58,280 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:58,280 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:58,281 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:58,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-09-24 15:59:58,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:58,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-09-24 15:59:58,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:58,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 15:59:58,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:58,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-24 15:59:58,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:58,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:58,462 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:58,462 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:58,463 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:58,463 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:58,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 15:59:58,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:58,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-09-24 15:59:58,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:58,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:59:58,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:58,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 15:59:58,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:59:58,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:58,658 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:58,659 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:58,659 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:58,660 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:58,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-24 15:59:58,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:58,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-09-24 15:59:58,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:58,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:59:58,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:58,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 15:59:58,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:58,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:58,833 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:58,834 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:58,834 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:58,835 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:58,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 15:59:58,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:58,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-24 15:59:58,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:58,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:59:58,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:58,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-24 15:59:58,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:58,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:58,970 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:58,971 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:58,971 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:58,971 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:58,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 15:59:58,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:58,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-24 15:59:58,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:58,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:59:58,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:58,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:59:58,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:59,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:59,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:59,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:59,076 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:59,076 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:59,076 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:59,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 15:59:59,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:59,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-24 15:59:59,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:59,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:59:59,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:59,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 15:59:59,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:59,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:59,177 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:59,177 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:59,178 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:59,178 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:59,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 15:59:59,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:59,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-24 15:59:59,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:59,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:59:59,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:59,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 15:59:59,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:59,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:59,260 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:59,260 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:59,261 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:59,261 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:59,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:59:59,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:59,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-24 15:59:59,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:59,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:59:59,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:59,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:59:59,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:59,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:59,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:59,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:59,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:59,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:59,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:59:59,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:59,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:59:59,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:59,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:59:59,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:59,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:59:59,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:59,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:59,387 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:59,387 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:59,387 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:59,388 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:59,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:59:59,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:59,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 15:59:59,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:59,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:59:59,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:59,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 15:59:59,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:59,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:59,441 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:59,442 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:59,442 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:59,443 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:59,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 15:59:59,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:59,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 15:59:59,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:59,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:59:59,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:59,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 15:59:59,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:59,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:59,485 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:59,485 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:59,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:59,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:59,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:59:59,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:59,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:59:59,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:59,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:59:59,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:59,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 15:59:59,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:59,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:59,537 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:59,537 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:59,537 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:59,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:59,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 15:59:59,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:59,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:59:59,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:59,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:59:59,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:59,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 15:59:59,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:59:59,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:59:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:59:59,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:59:59,579 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:59:59,579 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:59:59,580 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:59:59,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:59:59,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:59:59,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:59:59,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:59:59,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:59:59,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:59:59,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:59:59,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:59:59,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1309 backedges. 81 proven. 867 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2020-09-24 15:59:59,956 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2081430090] [2020-09-24 15:59:59,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:59:59,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-24 15:59:59,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810016850] [2020-09-24 15:59:59,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-24 15:59:59,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:59:59,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-24 15:59:59,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=309, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:59:59,970 INFO L87 Difference]: Start difference. First operand 105 states and 106 transitions. Second operand 23 states. [2020-09-24 16:00:00,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:00:00,310 INFO L93 Difference]: Finished difference Result 116 states and 117 transitions. [2020-09-24 16:00:00,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 16:00:00,310 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 171 [2020-09-24 16:00:00,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:00:00,311 INFO L225 Difference]: With dead ends: 116 [2020-09-24 16:00:00,312 INFO L226 Difference]: Without dead ends: 110 [2020-09-24 16:00:00,313 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=593, Invalid=1047, Unknown=0, NotChecked=0, Total=1640 [2020-09-24 16:00:00,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-09-24 16:00:00,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-09-24 16:00:00,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-09-24 16:00:00,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 111 transitions. [2020-09-24 16:00:00,319 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 111 transitions. Word has length 171 [2020-09-24 16:00:00,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:00:00,319 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 111 transitions. [2020-09-24 16:00:00,319 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-24 16:00:00,320 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 111 transitions. [2020-09-24 16:00:00,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-09-24 16:00:00,322 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:00:00,322 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:00:00,322 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-24 16:00:00,322 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:00:00,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:00:00,323 INFO L82 PathProgramCache]: Analyzing trace with hash -869167053, now seen corresponding path program 18 times [2020-09-24 16:00:00,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:00:00,325 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [918583253] [2020-09-24 16:00:00,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:00:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:00,613 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:00,613 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:00,613 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:00,613 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:00,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-09-24 16:00:00,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:00,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-09-24 16:00:00,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:00,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-09-24 16:00:00,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 16:00:00,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-24 16:00:00,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:00,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:00:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:00,652 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:00,652 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:00,652 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:00,653 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:00,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:00:00,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:00,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:00:00,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:00,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:00,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:00,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:00,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:00,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 16:00:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:00,912 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:00,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:00,913 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:00,913 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:00,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-09-24 16:00:00,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:00,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-09-24 16:00:00,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:00,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-09-24 16:00:00,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 16:00:00,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 206 [2020-09-24 16:00:00,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:00,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:01,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:01,227 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:01,227 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:01,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:01,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 16:00:01,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:01,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 236 [2020-09-24 16:00:01,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:01,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-24 16:00:01,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:01,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-09-24 16:00:01,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:01,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:01,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:01,467 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:01,468 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:01,468 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:01,468 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:01,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-09-24 16:00:01,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:01,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-09-24 16:00:01,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:01,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-24 16:00:01,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:01,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-09-24 16:00:01,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:01,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:01,723 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:01,724 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:01,724 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:01,724 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:01,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-09-24 16:00:01,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:01,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-09-24 16:00:01,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:01,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 16:00:01,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:01,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-09-24 16:00:01,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:01,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:01,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:01,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:01,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:01,981 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:01,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-09-24 16:00:01,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:01,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 186 [2020-09-24 16:00:01,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:01,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 16:00:01,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:01,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-09-24 16:00:01,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:02,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:02,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:02,152 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:02,153 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:02,153 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:02,153 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:02,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-09-24 16:00:02,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:02,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-24 16:00:02,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:02,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 16:00:02,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:02,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-24 16:00:02,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:02,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:02,300 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:02,301 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:02,301 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:02,301 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:02,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 16:00:02,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:02,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-24 16:00:02,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:02,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 16:00:02,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:02,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 16:00:02,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:02,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:02,447 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:02,447 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:02,447 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:02,447 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:02,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-24 16:00:02,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:02,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-24 16:00:02,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:02,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 16:00:02,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:02,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 16:00:02,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:02,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:02,577 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:02,578 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:02,578 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:02,578 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:02,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 16:00:02,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:02,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-24 16:00:02,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:02,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 16:00:02,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:02,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-24 16:00:02,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:02,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:02,696 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:02,696 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:02,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:02,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:02,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 16:00:02,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:02,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-24 16:00:02,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:02,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 16:00:02,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:02,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 16:00:02,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:02,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:02,793 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:02,793 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:02,793 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:02,794 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:02,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 16:00:02,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:02,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-24 16:00:02,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 16:00:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 16:00:02,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:02,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:02,901 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:02,902 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:02,902 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:02,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:02,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 16:00:02,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:02,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-24 16:00:02,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:02,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 16:00:02,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:02,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 16:00:02,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:02,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:02,979 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:02,979 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:02,980 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:02,980 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:02,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 16:00:02,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:02,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 16:00:02,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:02,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 16:00:02,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:02,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 16:00:02,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:03,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:03,055 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:03,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:03,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:03,057 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:03,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 16:00:03,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:03,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 16:00:03,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:03,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 16:00:03,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:03,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 16:00:03,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:03,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:03,116 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:03,117 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:03,117 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:03,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:03,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 16:00:03,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:03,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 16:00:03,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:03,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 16:00:03,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:03,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 16:00:03,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:03,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:03,171 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:03,171 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:03,172 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:03,172 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:03,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 16:00:03,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:03,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 16:00:03,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:03,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 16:00:03,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:03,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 16:00:03,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:03,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:03,222 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:03,222 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:03,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:03,223 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:03,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 16:00:03,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:03,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 16:00:03,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:03,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 16:00:03,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:03,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 16:00:03,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:03,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:03,269 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:03,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:03,270 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:03,271 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:03,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 16:00:03,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:03,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 16:00:03,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:03,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 16:00:03,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:03,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 16:00:03,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:03,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:03,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:03,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:03,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:03,308 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:03,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:00:03,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:03,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:00:03,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:03,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:00:03,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:03,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 16:00:03,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:03,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1467 backedges. 180 proven. 849 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2020-09-24 16:00:03,517 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [918583253] [2020-09-24 16:00:03,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:00:03,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-09-24 16:00:03,518 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864948950] [2020-09-24 16:00:03,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-09-24 16:00:03,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:00:03,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-09-24 16:00:03,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=335, Unknown=0, NotChecked=0, Total=552 [2020-09-24 16:00:03,521 INFO L87 Difference]: Start difference. First operand 110 states and 111 transitions. Second operand 24 states. [2020-09-24 16:00:03,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:00:03,886 INFO L93 Difference]: Finished difference Result 121 states and 122 transitions. [2020-09-24 16:00:03,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-24 16:00:03,887 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 180 [2020-09-24 16:00:03,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:00:03,888 INFO L225 Difference]: With dead ends: 121 [2020-09-24 16:00:03,888 INFO L226 Difference]: Without dead ends: 115 [2020-09-24 16:00:03,890 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=654, Invalid=1152, Unknown=0, NotChecked=0, Total=1806 [2020-09-24 16:00:03,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-09-24 16:00:03,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-09-24 16:00:03,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-09-24 16:00:03,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 116 transitions. [2020-09-24 16:00:03,897 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 116 transitions. Word has length 180 [2020-09-24 16:00:03,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:00:03,898 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 116 transitions. [2020-09-24 16:00:03,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-09-24 16:00:03,898 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 116 transitions. [2020-09-24 16:00:03,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-09-24 16:00:03,900 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:00:03,900 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:00:03,900 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-24 16:00:03,901 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:00:03,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:00:03,901 INFO L82 PathProgramCache]: Analyzing trace with hash 482986285, now seen corresponding path program 19 times [2020-09-24 16:00:03,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:00:03,901 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1780324543] [2020-09-24 16:00:03,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:00:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:04,195 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:04,195 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:04,195 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:04,195 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:04,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-09-24 16:00:04,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:04,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-09-24 16:00:04,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:04,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-09-24 16:00:04,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 16:00:04,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-09-24 16:00:04,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:04,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:00:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:04,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:04,227 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:04,227 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:04,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:04,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:00:04,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:04,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:00:04,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:04,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:04,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:04,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:04,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:04,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 16:00:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:04,485 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:04,485 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:04,485 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:04,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:04,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-24 16:00:04,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:04,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-09-24 16:00:04,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:04,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-09-24 16:00:04,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 16:00:04,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 217 [2020-09-24 16:00:04,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:04,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:04,794 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:04,794 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:04,794 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:04,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:04,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-09-24 16:00:04,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:04,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-09-24 16:00:04,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:04,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-24 16:00:04,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:04,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-09-24 16:00:04,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:04,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:05,123 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:05,123 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:05,124 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:05,124 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:05,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 16:00:05,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:05,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 255 [2020-09-24 16:00:05,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:05,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-24 16:00:05,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:05,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-09-24 16:00:05,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:05,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:05,421 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:05,421 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:05,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:05,422 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:05,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-09-24 16:00:05,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:05,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-09-24 16:00:05,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:05,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-24 16:00:05,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:05,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-09-24 16:00:05,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:05,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:05,668 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:05,668 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:05,668 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:05,669 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:05,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-09-24 16:00:05,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:05,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-09-24 16:00:05,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:05,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 16:00:05,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:05,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-09-24 16:00:05,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:05,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:05,859 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:05,859 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:05,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:05,860 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:05,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-09-24 16:00:05,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:05,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-09-24 16:00:05,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:05,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 16:00:05,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:05,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-09-24 16:00:05,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:05,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:06,055 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:06,055 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:06,055 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:06,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:06,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-09-24 16:00:06,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:06,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-24 16:00:06,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:06,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 16:00:06,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:06,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-24 16:00:06,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:06,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:06,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:06,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:06,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:06,213 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:06,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 16:00:06,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:06,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-24 16:00:06,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:06,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 16:00:06,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:06,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 16:00:06,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:06,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:06,345 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:06,345 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:06,345 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:06,345 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:06,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-24 16:00:06,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:06,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-24 16:00:06,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:06,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 16:00:06,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:06,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 16:00:06,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:06,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:06,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:06,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:06,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:06,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:06,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 16:00:06,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:06,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-24 16:00:06,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:06,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 16:00:06,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:06,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-24 16:00:06,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:06,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:06,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:06,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:06,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:06,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:06,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 16:00:06,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:06,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-24 16:00:06,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:06,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 16:00:06,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:06,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 16:00:06,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:06,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:06,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:06,700 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:06,700 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:06,701 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:06,701 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:06,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 16:00:06,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:06,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-24 16:00:06,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:06,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 16:00:06,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:06,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 16:00:06,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:06,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:06,779 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:06,780 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:06,780 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:06,780 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:06,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 16:00:06,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:06,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 16:00:06,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:06,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 16:00:06,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:06,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 16:00:06,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:06,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:06,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:06,857 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:06,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:06,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:06,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 16:00:06,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:06,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 16:00:06,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:06,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 16:00:06,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:06,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 16:00:06,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:06,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:06,925 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:06,926 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:06,926 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:06,926 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:06,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 16:00:06,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:06,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 16:00:06,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:06,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 16:00:06,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:06,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 16:00:06,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:06,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:06,989 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:06,989 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:06,989 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:06,989 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:06,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 16:00:06,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:06,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 16:00:06,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:06,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 16:00:06,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:06,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 16:00:06,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:07,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:07,042 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:07,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:07,042 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:07,043 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:07,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 16:00:07,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:07,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 16:00:07,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:07,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 16:00:07,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:07,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 16:00:07,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:07,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:07,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:07,091 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:07,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:07,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:07,092 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:07,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 16:00:07,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:07,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 16:00:07,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:07,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 16:00:07,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:07,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 16:00:07,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:07,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:07,137 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:07,137 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:07,137 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:07,138 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:07,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 16:00:07,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:07,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 16:00:07,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:07,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 16:00:07,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:07,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 16:00:07,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:07,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:07,178 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:07,178 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:07,179 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:07,179 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:07,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:00:07,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:07,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:00:07,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:07,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:00:07,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:07,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 16:00:07,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:07,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1634 backedges. 161 proven. 1022 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2020-09-24 16:00:07,364 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1780324543] [2020-09-24 16:00:07,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:00:07,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-09-24 16:00:07,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949132339] [2020-09-24 16:00:07,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-09-24 16:00:07,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:00:07,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-09-24 16:00:07,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=362, Unknown=0, NotChecked=0, Total=600 [2020-09-24 16:00:07,367 INFO L87 Difference]: Start difference. First operand 115 states and 116 transitions. Second operand 25 states. [2020-09-24 16:00:07,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:00:07,762 INFO L93 Difference]: Finished difference Result 126 states and 127 transitions. [2020-09-24 16:00:07,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-24 16:00:07,762 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 189 [2020-09-24 16:00:07,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:00:07,763 INFO L225 Difference]: With dead ends: 126 [2020-09-24 16:00:07,764 INFO L226 Difference]: Without dead ends: 120 [2020-09-24 16:00:07,765 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=718, Invalid=1262, Unknown=0, NotChecked=0, Total=1980 [2020-09-24 16:00:07,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-09-24 16:00:07,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-09-24 16:00:07,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-09-24 16:00:07,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 121 transitions. [2020-09-24 16:00:07,770 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 121 transitions. Word has length 189 [2020-09-24 16:00:07,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:00:07,771 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 121 transitions. [2020-09-24 16:00:07,771 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-09-24 16:00:07,771 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 121 transitions. [2020-09-24 16:00:07,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-09-24 16:00:07,773 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:00:07,773 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:00:07,773 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-24 16:00:07,774 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:00:07,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:00:07,774 INFO L82 PathProgramCache]: Analyzing trace with hash 848589853, now seen corresponding path program 20 times [2020-09-24 16:00:07,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:00:07,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1189495885] [2020-09-24 16:00:07,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:00:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:08,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:08,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:08,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:08,059 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:08,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-09-24 16:00:08,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:08,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-09-24 16:00:08,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:08,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-09-24 16:00:08,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 16:00:08,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-09-24 16:00:08,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:08,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:00:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:08,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:08,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:08,100 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:08,100 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:08,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:00:08,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:08,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 16:00:08,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:08,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:08,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:08,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:08,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:08,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 16:00:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:08,472 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:08,472 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:08,473 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:08,473 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:08,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-09-24 16:00:08,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:08,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 330 [2020-09-24 16:00:08,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:08,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-09-24 16:00:08,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 16:00:08,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 228 [2020-09-24 16:00:08,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:08,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:08,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:08,858 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:08,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:08,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:08,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-24 16:00:08,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:08,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 287 [2020-09-24 16:00:08,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:08,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-09-24 16:00:08,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:08,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-09-24 16:00:08,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:08,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:09,156 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:09,156 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:09,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:09,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:09,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-09-24 16:00:09,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:09,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-09-24 16:00:09,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:09,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-24 16:00:09,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:09,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-09-24 16:00:09,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:09,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:09,425 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:09,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:09,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:09,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:09,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 16:00:09,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:09,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-09-24 16:00:09,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:09,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-24 16:00:09,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:09,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-09-24 16:00:09,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:09,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:09,648 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:09,648 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:09,648 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:09,648 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:09,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-09-24 16:00:09,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:09,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-09-24 16:00:09,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:09,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-24 16:00:09,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:09,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-09-24 16:00:09,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:09,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:09,860 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:09,860 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:09,860 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:09,861 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:09,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-09-24 16:00:09,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:09,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-09-24 16:00:09,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:09,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 16:00:09,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:09,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-09-24 16:00:09,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:09,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:10,121 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:10,121 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:10,121 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:10,121 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:10,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-09-24 16:00:10,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:10,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-09-24 16:00:10,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:10,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 16:00:10,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:10,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-09-24 16:00:10,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:10,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:10,301 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:10,302 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:10,302 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:10,302 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:10,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-09-24 16:00:10,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:10,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-09-24 16:00:10,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:10,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 16:00:10,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:10,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-24 16:00:10,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:10,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:10,452 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:10,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:10,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:10,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:10,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 16:00:10,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:10,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-24 16:00:10,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:10,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 16:00:10,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:10,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 16:00:10,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:10,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:10,593 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:10,593 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:10,594 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:10,594 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:10,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-24 16:00:10,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:10,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-24 16:00:10,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:10,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 16:00:10,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:10,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 16:00:10,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:10,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:10,719 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:10,719 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:10,719 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:10,719 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:10,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 16:00:10,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:10,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-24 16:00:10,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:10,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 16:00:10,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:10,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-24 16:00:10,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:10,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:10,823 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:10,823 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:10,824 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:10,824 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:10,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 16:00:10,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:10,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-24 16:00:10,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:10,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 16:00:10,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:10,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 16:00:10,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:10,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:10,916 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:10,916 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:10,917 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:10,917 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:10,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 16:00:10,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:10,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-24 16:00:10,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:10,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 16:00:10,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:10,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 16:00:10,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:10,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:11,003 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:11,003 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:11,003 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:11,004 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:11,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 16:00:11,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:11,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-24 16:00:11,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:11,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 16:00:11,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:11,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 16:00:11,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:11,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:11,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:11,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:11,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:11,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:11,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 16:00:11,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:11,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 16:00:11,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:11,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 16:00:11,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:11,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 16:00:11,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:11,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:11,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:11,152 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:11,152 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:11,152 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:11,153 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:11,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 16:00:11,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:11,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 16:00:11,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:11,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 16:00:11,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:11,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 16:00:11,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:11,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:11,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:11,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:11,214 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:11,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:11,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:11,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 16:00:11,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:11,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 16:00:11,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:11,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 16:00:11,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:11,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 16:00:11,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:11,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:11,271 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:11,271 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:11,272 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:11,272 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:11,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 16:00:11,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:11,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 16:00:11,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:11,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 16:00:11,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:11,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 16:00:11,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:11,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:11,323 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:11,323 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:11,323 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:11,324 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:11,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 16:00:11,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:11,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 16:00:11,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:11,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 16:00:11,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:11,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 16:00:11,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:11,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:11,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:11,371 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:11,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:11,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:11,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 16:00:11,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:11,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 16:00:11,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:11,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 16:00:11,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:11,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 16:00:11,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:11,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:11,414 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:11,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:11,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:11,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:11,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:00:11,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:11,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:00:11,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:11,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:00:11,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:11,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 16:00:11,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:11,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1810 backedges. 154 proven. 1185 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2020-09-24 16:00:11,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1189495885] [2020-09-24 16:00:11,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:00:11,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-09-24 16:00:11,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676331434] [2020-09-24 16:00:11,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-09-24 16:00:11,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:00:11,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-09-24 16:00:11,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=439, Unknown=0, NotChecked=0, Total=702 [2020-09-24 16:00:11,659 INFO L87 Difference]: Start difference. First operand 120 states and 121 transitions. Second operand 27 states. [2020-09-24 16:00:12,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:00:12,100 INFO L93 Difference]: Finished difference Result 131 states and 132 transitions. [2020-09-24 16:00:12,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-24 16:00:12,101 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 198 [2020-09-24 16:00:12,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:00:12,103 INFO L225 Difference]: With dead ends: 131 [2020-09-24 16:00:12,104 INFO L226 Difference]: Without dead ends: 125 [2020-09-24 16:00:12,105 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 420 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=809, Invalid=1447, Unknown=0, NotChecked=0, Total=2256 [2020-09-24 16:00:12,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-09-24 16:00:12,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-09-24 16:00:12,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-09-24 16:00:12,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 126 transitions. [2020-09-24 16:00:12,110 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 126 transitions. Word has length 198 [2020-09-24 16:00:12,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:00:12,111 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 126 transitions. [2020-09-24 16:00:12,111 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-09-24 16:00:12,111 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 126 transitions. [2020-09-24 16:00:12,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-24 16:00:12,113 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:00:12,114 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:00:12,114 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-09-24 16:00:12,114 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:00:12,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:00:12,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1304544963, now seen corresponding path program 21 times [2020-09-24 16:00:12,115 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:00:12,115 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1453633607] [2020-09-24 16:00:12,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:00:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:12,430 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:12,430 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:12,430 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:12,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:12,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-09-24 16:00:12,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:12,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 268 [2020-09-24 16:00:12,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:12,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-09-24 16:00:12,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 16:00:12,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-09-24 16:00:12,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:12,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:00:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:12,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:12,464 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:12,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:12,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:12,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:00:12,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:12,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:12,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:12,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:12,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:12,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:12,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:12,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 16:00:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:12,767 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:12,767 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:12,768 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:12,768 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:12,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-09-24 16:00:12,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:12,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-09-24 16:00:12,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:12,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-09-24 16:00:12,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 16:00:12,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 239 [2020-09-24 16:00:12,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:12,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:13,127 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:13,127 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:13,127 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:13,128 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:13,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-09-24 16:00:13,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:13,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 290 [2020-09-24 16:00:13,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:13,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-09-24 16:00:13,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:13,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 229 [2020-09-24 16:00:13,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:13,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:13,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:13,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:13,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:13,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:13,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-24 16:00:13,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:13,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-09-24 16:00:13,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:13,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-09-24 16:00:13,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:13,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-09-24 16:00:13,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:13,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:13,717 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:13,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:13,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:13,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:13,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-09-24 16:00:13,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:13,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-09-24 16:00:13,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:13,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-24 16:00:13,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:13,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-09-24 16:00:13,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:13,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:13,971 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:13,972 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:13,972 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:13,972 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:13,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 16:00:13,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:13,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-09-24 16:00:13,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:13,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-24 16:00:13,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:13,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-09-24 16:00:13,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:14,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:14,247 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:14,247 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:14,247 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:14,247 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:14,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-09-24 16:00:14,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:14,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-09-24 16:00:14,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:14,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-24 16:00:14,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:14,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-09-24 16:00:14,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:14,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:14,449 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:14,449 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:14,449 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:14,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:14,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-09-24 16:00:14,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:14,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-09-24 16:00:14,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:14,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 16:00:14,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:14,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-09-24 16:00:14,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:14,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:14,625 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:14,625 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:14,625 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:14,625 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:14,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-09-24 16:00:14,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:14,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-09-24 16:00:14,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:14,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 16:00:14,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:14,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-09-24 16:00:14,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:14,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:14,795 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:14,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:14,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:14,796 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:14,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-09-24 16:00:14,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:14,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-24 16:00:14,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:14,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 16:00:14,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:14,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-24 16:00:14,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:14,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:14,942 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:14,942 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:14,942 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:14,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:14,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 16:00:14,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:14,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-24 16:00:14,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:14,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 16:00:14,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:14,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 16:00:14,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:14,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:15,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:15,076 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:15,076 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:15,076 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:15,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-24 16:00:15,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:15,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-24 16:00:15,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:15,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 16:00:15,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:15,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 16:00:15,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:15,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:15,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:15,205 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:15,205 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:15,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:15,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 16:00:15,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:15,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-24 16:00:15,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:15,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 16:00:15,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:15,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-24 16:00:15,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:15,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:15,316 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:15,316 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:15,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:15,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:15,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 16:00:15,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:15,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-24 16:00:15,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:15,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 16:00:15,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:15,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 16:00:15,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:15,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:15,425 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:15,425 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:15,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:15,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:15,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 16:00:15,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:15,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-24 16:00:15,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:15,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 16:00:15,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:15,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 16:00:15,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:15,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:15,512 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:15,513 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:15,513 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:15,513 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:15,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 16:00:15,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:15,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 16:00:15,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:15,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 16:00:15,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:15,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 16:00:15,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:15,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:15,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:15,601 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:15,601 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:15,601 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:15,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 16:00:15,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:15,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 16:00:15,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:15,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 16:00:15,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:15,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 16:00:15,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:15,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:15,669 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:15,669 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:15,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:15,670 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:15,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 16:00:15,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:15,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 16:00:15,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:15,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 16:00:15,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:15,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 16:00:15,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:15,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:15,730 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:15,730 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:15,730 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:15,730 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:15,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 16:00:15,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:15,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 16:00:15,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:15,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 16:00:15,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:15,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 16:00:15,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:15,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:15,785 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:15,785 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:15,786 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:15,786 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:15,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-24 16:00:15,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:15,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 16:00:15,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:15,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 16:00:15,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:15,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-24 16:00:15,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:15,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:15,834 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:15,834 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:15,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:15,835 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:15,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 16:00:15,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:15,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 16:00:15,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:15,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 16:00:15,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:15,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 16:00:15,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:15,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:15,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:15,880 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:15,880 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:15,880 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:15,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 16:00:15,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:15,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 16:00:15,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:15,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 16:00:15,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:15,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 16:00:15,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:15,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:15,922 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:15,923 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:15,923 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:15,923 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:15,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 16:00:15,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:15,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:00:15,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:15,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:00:15,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:15,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 16:00:15,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:16,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1995 backedges. 111 proven. 1309 refuted. 0 times theorem prover too weak. 575 trivial. 0 not checked. [2020-09-24 16:00:16,185 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1453633607] [2020-09-24 16:00:16,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 16:00:16,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-09-24 16:00:16,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213601511] [2020-09-24 16:00:16,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-09-24 16:00:16,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:00:16,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-09-24 16:00:16,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=419, Unknown=0, NotChecked=0, Total=702 [2020-09-24 16:00:16,187 INFO L87 Difference]: Start difference. First operand 125 states and 126 transitions. Second operand 27 states. [2020-09-24 16:00:16,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:00:16,650 INFO L93 Difference]: Finished difference Result 136 states and 137 transitions. [2020-09-24 16:00:16,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-24 16:00:16,651 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 207 [2020-09-24 16:00:16,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:00:16,653 INFO L225 Difference]: With dead ends: 136 [2020-09-24 16:00:16,653 INFO L226 Difference]: Without dead ends: 130 [2020-09-24 16:00:16,656 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=855, Invalid=1497, Unknown=0, NotChecked=0, Total=2352 [2020-09-24 16:00:16,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-09-24 16:00:16,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2020-09-24 16:00:16,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-09-24 16:00:16,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 131 transitions. [2020-09-24 16:00:16,661 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 131 transitions. Word has length 207 [2020-09-24 16:00:16,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:00:16,662 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 131 transitions. [2020-09-24 16:00:16,662 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-09-24 16:00:16,662 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 131 transitions. [2020-09-24 16:00:16,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-24 16:00:16,663 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:00:16,663 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:00:16,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-09-24 16:00:16,664 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:00:16,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:00:16,664 INFO L82 PathProgramCache]: Analyzing trace with hash 639479047, now seen corresponding path program 22 times [2020-09-24 16:00:16,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:00:16,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [893729936] [2020-09-24 16:00:16,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:00:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:17,010 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:17,010 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:17,010 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:17,011 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:17,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-09-24 16:00:17,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:17,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 299 [2020-09-24 16:00:17,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:17,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-09-24 16:00:17,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 16:00:17,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-09-24 16:00:17,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:17,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:00:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:17,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:17,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:17,057 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:17,057 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:17,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:00:17,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:17,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:00:17,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:17,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:00:17,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:17,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:00:17,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:17,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-24 16:00:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:17,536 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:17,536 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:17,536 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:17,537 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:17,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-09-24 16:00:17,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:17,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 433 [2020-09-24 16:00:17,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:17,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-09-24 16:00:17,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 16:00:17,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 250 [2020-09-24 16:00:17,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:17,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:17,927 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:17,927 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:17,927 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:17,927 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:17,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-09-24 16:00:17,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:17,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 306 [2020-09-24 16:00:17,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:17,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-09-24 16:00:17,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:17,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 240 [2020-09-24 16:00:17,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:17,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:18,269 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:18,269 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:18,269 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:18,269 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:18,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-09-24 16:00:18,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:18,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 261 [2020-09-24 16:00:18,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:18,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-09-24 16:00:18,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:18,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 229 [2020-09-24 16:00:18,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:18,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:18,595 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:18,596 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:18,596 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:18,596 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:18,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-24 16:00:18,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:18,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 263 [2020-09-24 16:00:18,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:18,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-09-24 16:00:18,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:18,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-09-24 16:00:18,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:18,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:18,870 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:18,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:18,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:18,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:18,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-09-24 16:00:18,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:18,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-09-24 16:00:18,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:18,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-24 16:00:18,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:18,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-09-24 16:00:18,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:18,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:19,119 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:19,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:19,119 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:19,119 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:19,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 16:00:19,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:19,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-09-24 16:00:19,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:19,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-24 16:00:19,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:19,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-09-24 16:00:19,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:19,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:19,347 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:19,347 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:19,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:19,348 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:19,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-09-24 16:00:19,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:19,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-09-24 16:00:19,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:19,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-24 16:00:19,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:19,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 185 [2020-09-24 16:00:19,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:19,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:19,557 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:19,557 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:19,558 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:19,558 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:19,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-09-24 16:00:19,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:19,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-09-24 16:00:19,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:19,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 16:00:19,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:19,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-09-24 16:00:19,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:19,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:19,750 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:19,750 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:19,750 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:19,751 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:19,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-09-24 16:00:19,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:19,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-09-24 16:00:19,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:19,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 16:00:19,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:19,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 163 [2020-09-24 16:00:19,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:19,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:19,961 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:19,962 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:19,962 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:19,962 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:19,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-09-24 16:00:19,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:19,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-09-24 16:00:19,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:19,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 16:00:19,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:19,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-24 16:00:19,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:20,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:20,119 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:20,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:20,119 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:20,120 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:20,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 16:00:20,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:20,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-24 16:00:20,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:20,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 16:00:20,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:20,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 16:00:20,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:00:20,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:20,273 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:20,273 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:20,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:20,274 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:20,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-09-24 16:00:20,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:20,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-24 16:00:20,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:20,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 16:00:20,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:20,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 16:00:20,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:20,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:20,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:20,391 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:20,391 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:20,392 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:20,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-09-24 16:00:20,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:20,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-24 16:00:20,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:20,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 16:00:20,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:20,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-09-24 16:00:20,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:20,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:20,515 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:20,516 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:20,516 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:20,516 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:20,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-24 16:00:20,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:20,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-24 16:00:20,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:20,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 16:00:20,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:20,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 16:00:20,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:20,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:20,611 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:20,611 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:20,612 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:20,612 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:20,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-24 16:00:20,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:20,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-24 16:00:20,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:20,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 16:00:20,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:20,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 16:00:20,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:20,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:20,696 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:20,697 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:20,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:20,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:20,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-24 16:00:20,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:20,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 16:00:20,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:20,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 16:00:20,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:20,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-24 16:00:20,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:20,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:20,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:20,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:20,776 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:20,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:20,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 16:00:20,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:20,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 16:00:20,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:20,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 16:00:20,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:20,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 16:00:20,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:20,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:20,851 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:20,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:20,852 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:20,852 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:20,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 16:00:20,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:20,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 16:00:20,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:20,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 16:00:20,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:20,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 16:00:20,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:20,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:20,917 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:20,917 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:20,917 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:20,918 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:00:20,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 16:00:20,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:00:20,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 16:00:20,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:00:20,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 16:00:20,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:00:20,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-24 16:00:20,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:00:20,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:00:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:00:20,975 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:00:20,975 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:00:20,975 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:00:20,975 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set)