/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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 SequenceOfStatements --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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_25-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 04:03:28,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 04:03:28,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 04:03:28,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 04:03:28,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 04:03:28,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 04:03:28,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 04:03:28,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 04:03:28,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 04:03:28,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 04:03:28,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 04:03:28,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 04:03:28,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 04:03:28,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 04:03:28,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 04:03:28,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 04:03:28,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 04:03:28,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 04:03:28,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 04:03:28,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 04:03:28,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 04:03:28,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 04:03:28,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 04:03:28,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 04:03:28,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 04:03:28,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 04:03:28,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 04:03:28,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 04:03:28,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 04:03:28,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 04:03:28,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 04:03:28,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 04:03:28,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 04:03:28,445 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 04:03:28,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 04:03:28,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 04:03:28,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 04:03:28,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 04:03:28,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 04:03:28,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 04:03:28,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 04:03:28,454 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 [2020-10-27 04:03:28,516 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 04:03:28,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 04:03:28,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 04:03:28,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 04:03:28,520 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 04:03:28,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 04:03:28,521 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 04:03:28,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 04:03:28,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 04:03:28,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 04:03:28,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 04:03:28,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 04:03:28,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 04:03:28,524 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 04:03:28,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 04:03:28,524 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 04:03:28,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 04:03:28,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 04:03:28,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 04:03:28,526 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 04:03:28,526 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 04:03:28,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 04:03:28,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 04:03:28,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 04:03:28,527 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 04:03:28,527 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 04:03:28,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 04:03:28,527 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 04:03:28,528 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 04:03:28,528 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 04:03:28,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 04:03:29,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 04:03:29,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 04:03:29,020 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 04:03:29,021 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 04:03:29,024 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_25-2.c [2020-10-27 04:03:29,113 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/79dc5b9a4/40babe62c013453cb547d567ca3acdac/FLAGe84a667ac [2020-10-27 04:03:29,725 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 04:03:29,725 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_25-2.c [2020-10-27 04:03:29,734 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/79dc5b9a4/40babe62c013453cb547d567ca3acdac/FLAGe84a667ac [2020-10-27 04:03:30,099 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/79dc5b9a4/40babe62c013453cb547d567ca3acdac [2020-10-27 04:03:30,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 04:03:30,113 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 04:03:30,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 04:03:30,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 04:03:30,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 04:03:30,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:03:30" (1/1) ... [2020-10-27 04:03:30,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11016055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:03:30, skipping insertion in model container [2020-10-27 04:03:30,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:03:30" (1/1) ... [2020-10-27 04:03:30,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 04:03:30,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 04:03:30,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 04:03:30,318 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 04:03:30,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 04:03:30,350 INFO L208 MainTranslator]: Completed translation [2020-10-27 04:03:30,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:03:30 WrapperNode [2020-10-27 04:03:30,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 04:03:30,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 04:03:30,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 04:03:30,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 04:03:30,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:03:30" (1/1) ... [2020-10-27 04:03:30,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:03:30" (1/1) ... [2020-10-27 04:03:30,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:03:30" (1/1) ... [2020-10-27 04:03:30,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:03:30" (1/1) ... [2020-10-27 04:03:30,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:03:30" (1/1) ... [2020-10-27 04:03:30,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:03:30" (1/1) ... [2020-10-27 04:03:30,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:03:30" (1/1) ... [2020-10-27 04:03:30,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 04:03:30,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 04:03:30,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 04:03:30,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 04:03:30,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:03:30" (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 [2020-10-27 04:03:30,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 04:03:30,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 04:03:30,511 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 04:03:30,511 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-27 04:03:30,511 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-27 04:03:30,511 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 04:03:30,511 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 04:03:30,511 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 04:03:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 04:03:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 04:03:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 04:03:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-27 04:03:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-27 04:03:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 04:03:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 04:03:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 04:03:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 04:03:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 04:03:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 04:03:30,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 04:03:30,855 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 04:03:30,855 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 04:03:30,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:03:30 BoogieIcfgContainer [2020-10-27 04:03:30,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 04:03:30,874 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 04:03:30,874 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 04:03:30,879 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 04:03:30,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 04:03:30" (1/3) ... [2020-10-27 04:03:30,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@612f2bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:03:30, skipping insertion in model container [2020-10-27 04:03:30,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:03:30" (2/3) ... [2020-10-27 04:03:30,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@612f2bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:03:30, skipping insertion in model container [2020-10-27 04:03:30,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:03:30" (3/3) ... [2020-10-27 04:03:30,883 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_25-2.c [2020-10-27 04:03:30,898 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 04:03:30,903 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 04:03:30,919 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 04:03:30,950 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 04:03:30,950 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 04:03:30,950 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 04:03:30,951 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 04:03:30,951 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 04:03:30,951 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 04:03:30,951 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 04:03:30,951 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 04:03:30,972 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-10-27 04:03:30,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-27 04:03:30,978 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:03:30,979 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:03:30,980 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:03:30,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:03:30,987 INFO L82 PathProgramCache]: Analyzing trace with hash 219823047, now seen corresponding path program 1 times [2020-10-27 04:03:30,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:03:30,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [95595175] [2020-10-27 04:03:30,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:03:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:31,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:31,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:31,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 04:03:31,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:31,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 307 [2020-10-27 04:03:31,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:31,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:03:31,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:03:31,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:03:31,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 04:03:31,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:03:31,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:31,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:31,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:31,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:03:31,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:31,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 04:03:31,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:31,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:03:31,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:31,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:03:31,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 04:03:31,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:03:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:31,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:31,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:31,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:03:31,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:31,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 04:03:31,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:31,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:03:31,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:03:31,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:03:31,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:31,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 04:03:31,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [95595175] [2020-10-27 04:03:31,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:03:31,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 04:03:31,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893462838] [2020-10-27 04:03:31,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 04:03:31,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:03:31,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 04:03:31,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 04:03:31,845 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 6 states. [2020-10-27 04:03:32,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:03:32,194 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2020-10-27 04:03:32,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 04:03:32,196 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-27 04:03:32,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:03:32,207 INFO L225 Difference]: With dead ends: 50 [2020-10-27 04:03:32,207 INFO L226 Difference]: Without dead ends: 32 [2020-10-27 04:03:32,211 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-27 04:03:32,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-27 04:03:32,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-27 04:03:32,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-27 04:03:32,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-27 04:03:32,277 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 15 [2020-10-27 04:03:32,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:03:32,277 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-27 04:03:32,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 04:03:32,278 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-27 04:03:32,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-27 04:03:32,280 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:03:32,280 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:03:32,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 04:03:32,281 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:03:32,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:03:32,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1220716726, now seen corresponding path program 1 times [2020-10-27 04:03:32,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:03:32,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [726001493] [2020-10-27 04:03:32,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:03:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:32,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:32,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:32,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:03:32,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:32,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-27 04:03:32,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:32,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:03:32,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:03:32,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:03:32,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:03:32,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:03:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:32,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:32,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:32,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:03:32,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:32,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 04:03:32,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:32,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:03:32,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:32,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:03:32,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:32,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:03:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:32,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:32,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:32,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:03:32,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:32,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 04:03:32,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:32,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:03:32,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:03:32,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:03:32,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:32,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 04:03:32,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [726001493] [2020-10-27 04:03:32,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:03:32,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 04:03:32,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252449692] [2020-10-27 04:03:32,579 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 04:03:32,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:03:32,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 04:03:32,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 04:03:32,581 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 6 states. [2020-10-27 04:03:32,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:03:32,834 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2020-10-27 04:03:32,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 04:03:32,835 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-27 04:03:32,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:03:32,837 INFO L225 Difference]: With dead ends: 39 [2020-10-27 04:03:32,837 INFO L226 Difference]: Without dead ends: 34 [2020-10-27 04:03:32,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-27 04:03:32,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-27 04:03:32,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-10-27 04:03:32,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-27 04:03:32,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-27 04:03:32,850 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 16 [2020-10-27 04:03:32,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:03:32,851 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-27 04:03:32,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 04:03:32,851 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-27 04:03:32,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-27 04:03:32,853 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:03:32,853 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, 1] [2020-10-27 04:03:32,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 04:03:32,854 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:03:32,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:03:32,854 INFO L82 PathProgramCache]: Analyzing trace with hash 2083135015, now seen corresponding path program 1 times [2020-10-27 04:03:32,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:03:32,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1631012004] [2020-10-27 04:03:32,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:03:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:32,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:32,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:33,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:33,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:33,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 04:03:33,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:03:33,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 753 [2020-10-27 04:03:33,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:33,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:03:33,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:03:33,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 04:03:33,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:03:33,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:03:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:33,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:33,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:33,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:03:33,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:33,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:03:33,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:33,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:03:33,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:33,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:03:33,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:33,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:03:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:33,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:33,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:33,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:33,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:33,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:03:33,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:03:33,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-27 04:03:33,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:33,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:03:33,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:03:33,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 04:03:33,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:33,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:03:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:33,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:33,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:33,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:03:33,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:33,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:03:33,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:33,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:03:33,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:33,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:03:33,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:33,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:03:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:33,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:33,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:33,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:03:33,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:33,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:03:33,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:33,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:03:33,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:33,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:03:33,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:33,910 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 04:03:33,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1631012004] [2020-10-27 04:03:33,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:03:33,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 04:03:33,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574699805] [2020-10-27 04:03:33,912 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 04:03:33,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:03:33,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 04:03:33,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 04:03:33,913 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 8 states. [2020-10-27 04:03:34,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:03:34,331 INFO L93 Difference]: Finished difference Result 44 states and 55 transitions. [2020-10-27 04:03:34,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 04:03:34,332 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-27 04:03:34,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:03:34,334 INFO L225 Difference]: With dead ends: 44 [2020-10-27 04:03:34,334 INFO L226 Difference]: Without dead ends: 39 [2020-10-27 04:03:34,335 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-27 04:03:34,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-27 04:03:34,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2020-10-27 04:03:34,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-27 04:03:34,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-10-27 04:03:34,347 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 28 [2020-10-27 04:03:34,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:03:34,348 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-10-27 04:03:34,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 04:03:34,348 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-10-27 04:03:34,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-27 04:03:34,350 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:03:34,350 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:03:34,350 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 04:03:34,350 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:03:34,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:03:34,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1703344845, now seen corresponding path program 1 times [2020-10-27 04:03:34,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:03:34,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1369540445] [2020-10-27 04:03:34,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:03:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:34,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:34,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:34,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:34,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:34,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:34,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 04:03:34,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:03:34,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 538 [2020-10-27 04:03:34,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:34,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:03:34,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:03:34,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 04:03:34,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:34,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:03:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:34,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:34,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:34,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:03:34,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:34,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:03:34,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:34,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:03:34,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:34,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:03:34,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:34,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:03:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:34,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:34,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:35,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:35,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:35,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:35,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:03:35,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:03:35,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-27 04:03:35,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:35,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:03:35,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:03:35,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:03:35,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:35,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:03:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:35,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:35,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:35,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:03:35,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:35,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:03:35,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:35,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:03:35,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:35,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:03:35,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:35,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:03:35,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:35,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:35,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:35,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:03:35,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:35,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:03:35,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:35,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:03:35,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:35,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:03:35,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:35,257 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 04:03:35,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1369540445] [2020-10-27 04:03:35,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:03:35,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 04:03:35,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958407523] [2020-10-27 04:03:35,258 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 04:03:35,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:03:35,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 04:03:35,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 04:03:35,260 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 8 states. [2020-10-27 04:03:35,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:03:35,666 INFO L93 Difference]: Finished difference Result 49 states and 65 transitions. [2020-10-27 04:03:35,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 04:03:35,667 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2020-10-27 04:03:35,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:03:35,669 INFO L225 Difference]: With dead ends: 49 [2020-10-27 04:03:35,669 INFO L226 Difference]: Without dead ends: 44 [2020-10-27 04:03:35,670 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-27 04:03:35,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-27 04:03:35,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 37. [2020-10-27 04:03:35,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-27 04:03:35,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-10-27 04:03:35,683 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 30 [2020-10-27 04:03:35,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:03:35,683 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-10-27 04:03:35,684 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 04:03:35,684 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-10-27 04:03:35,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-27 04:03:35,686 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:03:35,686 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:03:35,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 04:03:35,687 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:03:35,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:03:35,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1887052013, now seen corresponding path program 1 times [2020-10-27 04:03:35,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:03:35,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2092532880] [2020-10-27 04:03:35,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:03:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:35,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:35,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:35,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:35,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:35,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:36,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:37,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:38,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:38,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:38,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:40,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:40,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-27 04:03:40,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 04:03:40,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-27 04:03:40,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:40,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:03:40,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:03:40,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 04:03:40,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:40,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:03:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:40,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:40,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:40,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:03:40,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:40,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:03:40,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:40,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:03:40,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:40,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:03:40,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:40,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:03:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:40,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:40,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:40,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:40,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:40,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:40,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:41,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:42,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:42,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:44,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:44,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:44,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:44,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:45,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:45,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-27 04:03:45,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 04:03:45,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 04:03:45,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:45,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:03:45,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:03:45,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-27 04:03:45,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:45,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:03:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:45,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:45,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:45,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:45,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:03:45,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:03:45,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-27 04:03:45,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:45,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:03:45,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:45,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 04:03:45,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:45,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:03:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:45,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:45,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:45,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:03:45,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:45,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:03:45,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:45,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:03:45,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:45,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:03:45,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:03:45,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:03:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:45,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:45,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:45,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:03:45,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:45,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:03:45,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:45,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:03:45,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:45,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:03:45,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:03:45,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 04:03:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:45,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:46,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:46,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:46,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:03:46,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:03:46,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-27 04:03:46,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:46,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:03:46,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:46,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:03:46,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:03:46,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:03:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:46,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:46,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:46,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:03:46,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:46,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:03:46,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:46,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:03:46,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:46,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:03:46,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:46,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:03:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:46,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:46,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:46,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:03:46,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:46,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:03:46,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:46,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:03:46,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:46,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:03:46,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:03:46,133 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-27 04:03:46,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2092532880] [2020-10-27 04:03:46,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:03:46,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 04:03:46,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227484373] [2020-10-27 04:03:46,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 04:03:46,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:03:46,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 04:03:46,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-27 04:03:46,137 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 9 states. [2020-10-27 04:03:46,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:03:46,727 INFO L93 Difference]: Finished difference Result 85 states and 128 transitions. [2020-10-27 04:03:46,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 04:03:46,727 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2020-10-27 04:03:46,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:03:46,732 INFO L225 Difference]: With dead ends: 85 [2020-10-27 04:03:46,732 INFO L226 Difference]: Without dead ends: 55 [2020-10-27 04:03:46,735 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2020-10-27 04:03:46,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-27 04:03:46,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 48. [2020-10-27 04:03:46,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-27 04:03:46,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 62 transitions. [2020-10-27 04:03:46,762 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 62 transitions. Word has length 54 [2020-10-27 04:03:46,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:03:46,764 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 62 transitions. [2020-10-27 04:03:46,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 04:03:46,764 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2020-10-27 04:03:46,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-27 04:03:46,771 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:03:46,771 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:03:46,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 04:03:46,772 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:03:46,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:03:46,775 INFO L82 PathProgramCache]: Analyzing trace with hash 501472485, now seen corresponding path program 1 times [2020-10-27 04:03:46,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:03:46,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [114823347] [2020-10-27 04:03:46,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:03:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:46,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:46,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:46,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:46,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:46,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:46,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:47,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:47,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:47,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:47,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:51,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:51,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 04:03:51,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 04:03:51,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 04:03:51,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:51,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:03:51,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:03:51,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 04:03:51,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:51,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:03:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:51,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:51,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:51,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:03:51,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:51,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:03:51,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:51,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:03:51,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:51,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:03:51,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:03:51,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:03:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:51,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:51,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:51,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:51,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:51,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:51,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:52,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:53,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:53,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:53,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:53,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:54,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:54,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:56,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:56,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 04:03:56,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 04:03:56,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 04:03:56,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:56,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:03:56,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:03:56,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 04:03:56,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:56,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:03:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:56,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:56,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:57,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:57,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:03:57,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:03:57,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-27 04:03:57,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:57,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:03:57,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:57,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:03:57,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:57,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:03:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:57,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:57,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:57,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:03:57,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:57,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:03:57,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:57,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:03:57,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:57,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:03:57,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:57,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:03:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:57,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:57,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:57,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:03:57,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:57,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:03:57,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:57,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:03:57,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:57,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:03:57,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:57,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:03:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:57,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:57,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:57,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:03:57,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:57,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 04:03:57,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:57,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:03:57,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:57,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:03:57,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:57,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:03:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:57,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:57,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:57,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:03:57,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:57,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:03:57,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:57,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:03:57,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:57,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:03:57,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:57,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:03:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:57,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:57,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:03:57,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:03:57,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:03:57,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:03:57,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:03:57,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:03:57,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:03:57,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:03:57,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:03:57,191 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 22 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-27 04:03:57,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [114823347] [2020-10-27 04:03:57,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:03:57,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 04:03:57,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270572944] [2020-10-27 04:03:57,195 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 04:03:57,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:03:57,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 04:03:57,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-27 04:03:57,197 INFO L87 Difference]: Start difference. First operand 48 states and 62 transitions. Second operand 10 states. [2020-10-27 04:03:57,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:03:57,915 INFO L93 Difference]: Finished difference Result 61 states and 80 transitions. [2020-10-27 04:03:57,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 04:03:57,916 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2020-10-27 04:03:57,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:03:57,918 INFO L225 Difference]: With dead ends: 61 [2020-10-27 04:03:57,918 INFO L226 Difference]: Without dead ends: 56 [2020-10-27 04:03:57,919 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2020-10-27 04:03:57,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-27 04:03:57,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 53. [2020-10-27 04:03:57,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-27 04:03:57,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 71 transitions. [2020-10-27 04:03:57,932 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 71 transitions. Word has length 56 [2020-10-27 04:03:57,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:03:57,933 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 71 transitions. [2020-10-27 04:03:57,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 04:03:57,933 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 71 transitions. [2020-10-27 04:03:57,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-27 04:03:57,935 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:03:57,935 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:03:57,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 04:03:57,936 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:03:57,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:03:57,936 INFO L82 PathProgramCache]: Analyzing trace with hash -58455699, now seen corresponding path program 1 times [2020-10-27 04:03:57,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:03:57,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1520883792] [2020-10-27 04:03:57,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:03:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:03:57,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:57,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:57,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:58,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:58,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:58,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:58,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:58,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:59,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:59,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:59,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:59,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:03:59,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:00,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:02,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:02,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:02,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 04:04:02,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 04:04:02,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 04:04:02,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:02,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:04:02,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:04:02,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 04:04:02,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:03,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:04:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:03,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:03,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:04:03,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:03,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:04:03,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:03,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:03,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:03,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:03,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:03,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:04:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:03,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:03,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:04,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:04,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:05,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:06,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:08,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-27 04:04:08,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 04:04:08,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 04:04:08,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:08,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:04:08,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:04:08,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 04:04:08,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:08,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:08,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:08,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:04:08,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:04:08,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-27 04:04:08,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:08,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:08,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:08,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:04:08,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:08,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:08,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:08,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:08,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:08,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:04:08,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:08,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:08,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:08,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:08,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:08,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:04:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:08,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:08,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:08,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:08,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:04:08,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:08,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:08,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:08,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:08,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:08,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 04:04:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:08,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:08,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:04:08,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:04:08,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-27 04:04:08,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:08,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:04:08,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:08,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 04:04:08,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:08,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:08,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:08,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:08,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:08,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:04:08,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:08,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:04:08,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:08,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:04:08,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:08,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:04:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:08,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:08,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:08,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:08,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:08,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:04:08,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:08,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:08,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:08,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:04:08,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:08,379 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 24 proven. 12 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-27 04:04:08,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1520883792] [2020-10-27 04:04:08,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:04:08,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 04:04:08,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686788733] [2020-10-27 04:04:08,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 04:04:08,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:04:08,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 04:04:08,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-27 04:04:08,385 INFO L87 Difference]: Start difference. First operand 53 states and 71 transitions. Second operand 10 states. [2020-10-27 04:04:08,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:04:08,935 INFO L93 Difference]: Finished difference Result 82 states and 130 transitions. [2020-10-27 04:04:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 04:04:08,937 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2020-10-27 04:04:08,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:04:08,940 INFO L225 Difference]: With dead ends: 82 [2020-10-27 04:04:08,940 INFO L226 Difference]: Without dead ends: 77 [2020-10-27 04:04:08,941 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2020-10-27 04:04:08,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-27 04:04:08,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 57. [2020-10-27 04:04:08,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-27 04:04:08,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2020-10-27 04:04:08,970 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 58 [2020-10-27 04:04:08,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:04:08,970 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2020-10-27 04:04:08,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 04:04:08,971 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2020-10-27 04:04:08,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-27 04:04:08,975 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:04:08,975 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:04:08,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 04:04:08,975 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:04:08,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:04:08,976 INFO L82 PathProgramCache]: Analyzing trace with hash 252533325, now seen corresponding path program 1 times [2020-10-27 04:04:08,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:04:08,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [333095384] [2020-10-27 04:04:08,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:04:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:09,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:09,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:09,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:09,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:09,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:09,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:09,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:09,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:09,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:09,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:09,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:09,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:09,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:10,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:10,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:14,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:14,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-27 04:04:14,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 04:04:14,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 04:04:14,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:14,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:04:14,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:04:14,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 04:04:14,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:14,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:04:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:14,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:14,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:14,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:04:14,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:14,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:04:14,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:14,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:14,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:14,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:14,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:14,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:04:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:14,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:14,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:14,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:14,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:14,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:14,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:14,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:14,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:15,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:15,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:15,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:15,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:15,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:15,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:16,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:17,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:17,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:17,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:17,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:17,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:17,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:19,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:19,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 04:04:19,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-27 04:04:19,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 04:04:19,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:19,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 04:04:19,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:04:19,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-27 04:04:19,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:19,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:19,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:19,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:19,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:19,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:19,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:19,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:19,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:19,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:19,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:19,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:19,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:19,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:20,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:20,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:20,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 04:04:20,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 04:04:20,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1628 [2020-10-27 04:04:20,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:20,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:04:20,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:20,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:04:20,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:20,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:20,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:20,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:20,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:20,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:20,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:20,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:04:20,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:04:20,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-27 04:04:20,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:20,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:04:20,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:20,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:04:20,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:21,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:21,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:21,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:21,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:21,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:21,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:04:21,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:21,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:04:21,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:21,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:04:21,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:21,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:04:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:21,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:21,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:21,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:21,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:21,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:04:21,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:21,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:21,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:21,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:04:21,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:21,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 04:04:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:21,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:21,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:21,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:21,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:21,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:04:21,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:21,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:21,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:21,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:04:21,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:21,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 04:04:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:21,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:21,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:21,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:21,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:21,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:21,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:21,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:21,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:21,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:21,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 04:04:21,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 04:04:21,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 753 [2020-10-27 04:04:21,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:21,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:04:21,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:04:21,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 04:04:21,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:21,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:21,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:21,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:21,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:21,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:04:21,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:04:21,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 04:04:21,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:21,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:21,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:21,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 04:04:21,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:21,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:21,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:21,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:21,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:21,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:21,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:04:21,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:21,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:21,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:21,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:21,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:21,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:04:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:21,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:21,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:21,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:21,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:21,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:04:21,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:21,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:21,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:21,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:21,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:21,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 04:04:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:21,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:21,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:21,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:21,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:21,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:04:21,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:04:21,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:21,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:04:21,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:21,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:04:21,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:21,981 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 30 proven. 57 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-27 04:04:21,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [333095384] [2020-10-27 04:04:21,982 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:04:21,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-27 04:04:21,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79047849] [2020-10-27 04:04:21,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 04:04:21,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:04:21,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 04:04:21,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2020-10-27 04:04:21,984 INFO L87 Difference]: Start difference. First operand 57 states and 80 transitions. Second operand 19 states. [2020-10-27 04:04:23,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:04:23,544 INFO L93 Difference]: Finished difference Result 120 states and 198 transitions. [2020-10-27 04:04:23,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 04:04:23,544 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 82 [2020-10-27 04:04:23,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:04:23,547 INFO L225 Difference]: With dead ends: 120 [2020-10-27 04:04:23,547 INFO L226 Difference]: Without dead ends: 67 [2020-10-27 04:04:23,554 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=178, Invalid=944, Unknown=0, NotChecked=0, Total=1122 [2020-10-27 04:04:23,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-27 04:04:23,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 62. [2020-10-27 04:04:23,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-27 04:04:23,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 80 transitions. [2020-10-27 04:04:23,578 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 80 transitions. Word has length 82 [2020-10-27 04:04:23,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:04:23,578 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 80 transitions. [2020-10-27 04:04:23,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 04:04:23,579 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2020-10-27 04:04:23,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-27 04:04:23,583 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:04:23,583 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:04:23,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 04:04:23,584 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:04:23,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:04:23,584 INFO L82 PathProgramCache]: Analyzing trace with hash 707110445, now seen corresponding path program 1 times [2020-10-27 04:04:23,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:04:23,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2045781717] [2020-10-27 04:04:23,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:04:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:23,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:23,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:23,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:23,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:23,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:24,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:24,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:24,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:25,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:25,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:25,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:25,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:25,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:25,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:25,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:26,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:26,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:26,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:27,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:27,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:27,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:27,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:27,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:28,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:28,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:28,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:28,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:28,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:28,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:28,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:28,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-27 04:04:28,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-27 04:04:28,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 04:04:28,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:28,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:04:28,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:04:28,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-27 04:04:28,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:28,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:04:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:28,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:28,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:28,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:04:28,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:28,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:04:28,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:28,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:28,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:28,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:28,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:28,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:04:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:28,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:28,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:28,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:28,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:28,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:28,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:28,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:28,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:28,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:28,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:28,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:28,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:28,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:28,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:30,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:30,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:31,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:33,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:33,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 04:04:33,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 04:04:33,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 04:04:33,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:33,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 04:04:33,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:04:33,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-27 04:04:33,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:33,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:33,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:33,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:33,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:33,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:33,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:33,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:34,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:34,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:34,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:35,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:35,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:35,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:35,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:35,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:35,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:35,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:38,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:38,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 04:04:38,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 04:04:38,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 04:04:38,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:38,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 04:04:38,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:38,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 04:04:38,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:38,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:38,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:38,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:38,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:38,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:38,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:04:38,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:04:38,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-27 04:04:38,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:38,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:04:38,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:38,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:04:38,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:38,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:38,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:38,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:38,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:38,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:38,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:04:38,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:38,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:04:38,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:38,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:04:38,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:38,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:04:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:38,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:38,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:38,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:38,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:38,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:04:38,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:38,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:38,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:38,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:04:38,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:38,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:04:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:38,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:38,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:38,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:04:38,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:38,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:04:38,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:38,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:38,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:38,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:04:38,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:38,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:38,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:38,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:38,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:38,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:38,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:04:38,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:38,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:38,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:38,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:38,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:38,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:04:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:38,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:38,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:38,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:38,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:38,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:04:38,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:38,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:38,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:38,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:38,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:38,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 04:04:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:38,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:38,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:39,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:39,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:39,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:39,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:39,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:39,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:39,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:39,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:39,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:39,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:39,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:39,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:39,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:39,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:43,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:43,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 04:04:43,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 04:04:43,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 04:04:43,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:43,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:04:43,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:04:43,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 04:04:43,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:44,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:44,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:44,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:44,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:04:44,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:44,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:04:44,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:44,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:44,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:44,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:04:44,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:44,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:44,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:44,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:44,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:44,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:44,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:04:44,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:44,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:44,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:44,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:44,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:44,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:04:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:44,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:44,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:44,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:44,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:44,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:04:44,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:44,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:44,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:44,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:44,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:44,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:04:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:44,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:44,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:44,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:44,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:44,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:04:44,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:04:44,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 04:04:44,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:44,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:04:44,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:44,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:04:44,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:44,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:44,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:44,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:44,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:44,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:44,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:04:44,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:04:44,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:44,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:04:44,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:44,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:04:44,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:44,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:04:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:44,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:44,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:44,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:44,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:44,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:04:44,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:44,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:44,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:44,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:04:44,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:44,196 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 73 proven. 101 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-27 04:04:44,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2045781717] [2020-10-27 04:04:44,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:04:44,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 04:04:44,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339623752] [2020-10-27 04:04:44,198 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 04:04:44,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:04:44,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 04:04:44,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2020-10-27 04:04:44,199 INFO L87 Difference]: Start difference. First operand 62 states and 80 transitions. Second operand 17 states. [2020-10-27 04:04:45,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:04:45,503 INFO L93 Difference]: Finished difference Result 135 states and 193 transitions. [2020-10-27 04:04:45,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 04:04:45,504 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 110 [2020-10-27 04:04:45,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:04:45,507 INFO L225 Difference]: With dead ends: 135 [2020-10-27 04:04:45,507 INFO L226 Difference]: Without dead ends: 79 [2020-10-27 04:04:45,508 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=147, Invalid=723, Unknown=0, NotChecked=0, Total=870 [2020-10-27 04:04:45,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-10-27 04:04:45,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 76. [2020-10-27 04:04:45,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-10-27 04:04:45,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 97 transitions. [2020-10-27 04:04:45,537 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 97 transitions. Word has length 110 [2020-10-27 04:04:45,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:04:45,538 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 97 transitions. [2020-10-27 04:04:45,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 04:04:45,538 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 97 transitions. [2020-10-27 04:04:45,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-27 04:04:45,546 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:04:45,546 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:04:45,547 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 04:04:45,547 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:04:45,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:04:45,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1488981652, now seen corresponding path program 1 times [2020-10-27 04:04:45,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:04:45,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [495332968] [2020-10-27 04:04:45,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:04:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:45,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:45,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:45,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:45,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:45,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:45,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:47,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:50,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:50,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-27 04:04:50,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 04:04:50,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 04:04:50,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:50,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 04:04:50,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:04:50,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-27 04:04:50,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:50,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:04:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:50,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:50,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:50,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:04:50,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:50,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:04:50,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:50,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:50,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:50,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:50,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:50,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:04:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:50,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:50,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:50,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:50,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:50,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:50,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:55,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:55,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-27 04:04:55,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:04:55,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 04:04:55,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:55,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 04:04:55,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:04:55,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-27 04:04:55,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:55,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:55,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:55,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:55,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:55,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:55,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:55,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:55,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:55,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:56,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:56,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:56,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:57,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:57,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:57,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:57,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:57,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:57,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:57,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:57,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:57,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:58,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:58,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:00,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:00,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 04:05:00,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-27 04:05:00,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-27 04:05:00,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:00,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 04:05:00,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:00,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 04:05:00,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:00,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:00,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:00,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:00,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:05:01,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:05:01,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-10-27 04:05:01,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:05:01,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:05:01,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:05:01,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:05:01,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 04:05:01,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:05:01,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:05:01,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:01,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:01,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:01,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:01,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:01,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:01,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:01,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:01,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:05:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:01,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:01,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:01,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:01,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:05:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 04:05:01,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 04:05:01,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:01,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 04:05:01,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:05:01,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:05:01,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:01,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:01,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:05:01,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:01,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:01,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:01,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:01,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:01,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:01,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:01,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:01,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:01,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:01,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:01,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:05:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:01,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:01,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:01,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:01,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:05:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:05:01,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:05:01,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:01,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:01,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:01,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:01,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:01,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:01,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:01,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:05:01,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:01,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:01,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 04:05:01,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:05:01,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 04:05:01,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:01,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:05:01,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:05:01,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:01,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:01,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:01,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:01,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:01,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:01,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:01,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:01,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:05:01,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:01,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:01,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:05:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:01,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:01,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:01,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:01,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:01,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:01,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:01,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:01,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:01,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:01,319 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 40 proven. 172 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2020-10-27 04:05:01,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [495332968] [2020-10-27 04:05:01,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:05:01,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 04:05:01,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811481404] [2020-10-27 04:05:01,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 04:05:01,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:05:01,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 04:05:01,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-27 04:05:01,321 INFO L87 Difference]: Start difference. First operand 76 states and 97 transitions. Second operand 12 states. [2020-10-27 04:05:02,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:05:02,083 INFO L93 Difference]: Finished difference Result 123 states and 180 transitions. [2020-10-27 04:05:02,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 04:05:02,083 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 152 [2020-10-27 04:05:02,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:05:02,086 INFO L225 Difference]: With dead ends: 123 [2020-10-27 04:05:02,087 INFO L226 Difference]: Without dead ends: 102 [2020-10-27 04:05:02,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2020-10-27 04:05:02,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-10-27 04:05:02,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 94. [2020-10-27 04:05:02,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-10-27 04:05:02,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 136 transitions. [2020-10-27 04:05:02,106 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 136 transitions. Word has length 152 [2020-10-27 04:05:02,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:05:02,107 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 136 transitions. [2020-10-27 04:05:02,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 04:05:02,107 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 136 transitions. [2020-10-27 04:05:02,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-27 04:05:02,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:05:02,111 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 13, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:05:02,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 04:05:02,111 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:05:02,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:05:02,111 INFO L82 PathProgramCache]: Analyzing trace with hash -930993011, now seen corresponding path program 1 times [2020-10-27 04:05:02,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:05:02,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1927751355] [2020-10-27 04:05:02,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:05:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:02,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:02,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:02,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:02,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:02,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:02,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:02,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:02,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:02,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:02,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:02,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:02,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:02,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:02,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:06,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:06,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:06,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:06,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:07,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:07,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:07,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:07,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-27 04:05:07,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-27 04:05:07,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-27 04:05:07,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:07,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:05:07,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:05:07,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-27 04:05:07,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:07,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:05:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:07,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:07,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:07,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:05:07,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:07,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:07,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:07,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:07,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:07,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:07,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:07,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:05:07,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:07,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:07,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:07,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:07,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:07,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:07,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:07,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:07,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:07,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:09,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:09,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:09,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:09,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:09,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:09,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:09,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:10,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:10,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:10,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:11,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:12,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-27 04:05:12,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-27 04:05:12,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-27 04:05:12,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:12,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-27 04:05:12,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:05:12,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-27 04:05:12,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:12,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:12,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:14,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:14,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:14,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:17,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:17,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-27 04:05:17,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-27 04:05:17,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 04:05:17,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:17,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 04:05:17,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:05:17,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 04:05:17,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:17,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:17,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:17,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:17,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:17,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:17,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:17,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:17,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:17,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:17,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:17,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:18,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:18,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:18,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:20,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 04:05:20,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 04:05:20,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3216 [2020-10-27 04:05:20,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:20,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:05:20,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:20,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 04:05:20,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:20,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:20,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:20,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:05:20,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:05:20,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 04:05:20,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:20,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:20,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:20,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:05:20,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:20,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:20,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:20,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:20,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:20,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:05:20,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:20,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:20,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:20,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:20,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:20,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:20,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:20,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:20,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:20,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:05:20,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:20,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:20,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:20,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:20,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:20,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 04:05:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:20,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:20,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:20,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:05:20,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:05:20,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:20,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:20,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:20,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:05:20,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:20,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 04:05:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:20,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:21,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:22,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:22,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 04:05:22,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 04:05:22,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2203 [2020-10-27 04:05:22,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:22,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 04:05:22,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:05:22,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 04:05:22,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:23,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:23,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:23,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:05:23,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:05:23,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-27 04:05:23,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:23,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:05:23,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:23,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:05:23,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:23,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:23,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:23,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:23,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:23,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:05:23,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:23,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:23,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:23,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:23,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:23,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:23,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:23,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:23,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:23,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:05:23,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:23,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:23,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:23,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:23,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:23,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:05:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:23,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:23,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:05:23,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:05:23,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-27 04:05:23,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:23,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:23,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:23,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:05:23,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:23,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:23,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:23,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:23,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:23,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:23,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:23,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:23,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:23,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:23,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:23,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:23,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:23,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:23,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:23,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:23,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:23,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:23,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:23,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:05:23,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:23,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 04:05:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:23,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:26,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:26,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:26,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:26,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:26,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:26,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:26,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:27,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:27,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:27,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:27,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:27,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:27,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:27,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:27,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:27,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:28,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:28,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-27 04:05:28,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 33 [2020-10-27 04:05:28,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 04:05:28,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:28,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:05:28,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:05:28,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-27 04:05:28,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:28,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:28,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:28,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:28,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:28,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:28,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:28,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:28,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 04:05:28,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:05:28,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 313 [2020-10-27 04:05:28,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:28,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:28,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:28,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:05:28,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:28,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:28,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:28,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:28,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:28,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:28,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:05:28,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:05:28,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 04:05:28,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:28,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:28,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:28,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:28,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:28,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:28,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:28,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:28,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:28,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:28,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:28,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:28,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:28,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:28,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:28,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:28,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:28,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:28,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:28,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:28,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:28,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:28,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:28,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:28,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:28,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:28,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:28,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 04:05:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:28,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:28,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:28,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:28,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:28,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:28,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:28,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:28,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:28,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:28,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:28,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 04:05:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:28,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:28,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:28,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:28,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:28,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:29,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:29,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:29,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:29,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:29,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:33,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:33,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 04:05:33,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 04:05:33,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 04:05:33,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:33,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:33,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:33,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 04:05:33,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:33,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:33,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:33,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:33,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:05:33,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:33,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:05:33,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:33,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:33,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:33,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:33,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:33,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:33,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:33,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:33,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:33,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:33,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:33,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:33,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:33,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:33,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:33,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:33,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:33,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:33,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:33,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:33,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:33,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:05:33,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:33,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:33,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:33,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:33,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:33,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:05:33,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:33,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:33,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:33,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:05:33,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:33,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 04:05:33,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:33,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:33,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:33,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:33,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:33,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:33,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:33,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:33,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:33,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:33,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:33,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:33,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:33,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:33,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:33,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:33,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:33,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:33,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:33,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:33,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:33,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:33,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:33,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:33,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:33,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:33,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:34,127 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 129 proven. 314 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2020-10-27 04:05:34,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1927751355] [2020-10-27 04:05:34,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:05:34,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-27 04:05:34,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547449687] [2020-10-27 04:05:34,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-27 04:05:34,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:05:34,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-27 04:05:34,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2020-10-27 04:05:34,131 INFO L87 Difference]: Start difference. First operand 94 states and 136 transitions. Second operand 24 states. [2020-10-27 04:05:36,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:05:36,030 INFO L93 Difference]: Finished difference Result 182 states and 299 transitions. [2020-10-27 04:05:36,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 04:05:36,030 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 194 [2020-10-27 04:05:36,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:05:36,033 INFO L225 Difference]: With dead ends: 182 [2020-10-27 04:05:36,033 INFO L226 Difference]: Without dead ends: 95 [2020-10-27 04:05:36,036 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=225, Invalid=1335, Unknown=0, NotChecked=0, Total=1560 [2020-10-27 04:05:36,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-10-27 04:05:36,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 88. [2020-10-27 04:05:36,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-10-27 04:05:36,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 119 transitions. [2020-10-27 04:05:36,055 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 119 transitions. Word has length 194 [2020-10-27 04:05:36,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:05:36,056 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 119 transitions. [2020-10-27 04:05:36,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-27 04:05:36,056 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2020-10-27 04:05:36,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-27 04:05:36,058 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:05:36,058 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 8, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:05:36,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 04:05:36,059 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:05:36,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:05:36,059 INFO L82 PathProgramCache]: Analyzing trace with hash 884984547, now seen corresponding path program 1 times [2020-10-27 04:05:36,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:05:36,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1710482884] [2020-10-27 04:05:36,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:05:36,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:36,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:36,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:36,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:36,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:36,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:36,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:36,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:36,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:37,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:37,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:37,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:37,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:37,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:37,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:37,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:37,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:38,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:38,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:38,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:39,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:39,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:41,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-27 04:05:41,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-27 04:05:41,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 04:05:41,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:41,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:05:41,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:05:41,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 04:05:41,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:41,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:05:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:41,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:41,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:05:41,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:41,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:41,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:41,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:41,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:41,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:41,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:41,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:05:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:41,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:41,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:42,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:43,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:43,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:46,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:46,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-27 04:05:46,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-27 04:05:46,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 04:05:46,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:46,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 04:05:46,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:05:46,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-27 04:05:46,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:46,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:46,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:46,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:46,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:46,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:46,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:46,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:46,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:46,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:49,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:49,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:49,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:49,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:49,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:49,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:49,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:49,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:49,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:49,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:50,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:51,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 04:05:51,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 04:05:51,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 04:05:51,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:51,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:05:51,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:51,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 04:05:51,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:51,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:51,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:51,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 04:05:51,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:05:51,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 322 [2020-10-27 04:05:51,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:51,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:51,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:51,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:05:51,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:51,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:51,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:51,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:05:51,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:05:51,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 04:05:51,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:51,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:51,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:51,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:51,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:51,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:51,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:51,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:51,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:51,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:51,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:51,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:51,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:51,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:51,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:51,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:51,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:51,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:51,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:51,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:51,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:51,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:51,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:51,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:51,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:51,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 04:05:51,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:51,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:51,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:51,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:51,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:51,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:51,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:51,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:51,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:51,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:51,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 04:05:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:51,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:51,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:05:51,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:05:51,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-27 04:05:51,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:51,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:05:51,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:51,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:05:51,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:51,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:51,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:51,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:51,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:51,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:05:51,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:51,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:51,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:51,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:51,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:51,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:51,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:51,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:51,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:51,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:05:51,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:51,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:51,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:51,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:51,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:52,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 04:05:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:52,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:53,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:53,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:53,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:53,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:56,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:56,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:57,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 04:05:57,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 04:05:57,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 04:05:57,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:57,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 04:05:57,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:05:57,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 04:05:57,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:57,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:57,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:00,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 04:06:00,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 04:06:00,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2990 [2020-10-27 04:06:00,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:00,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:06:00,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:00,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 04:06:00,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:00,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:00,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:00,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:06:00,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 04:06:00,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-27 04:06:00,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:00,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:06:00,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:00,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 04:06:00,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:00,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:00,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:00,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:00,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:06:00,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:06:00,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:00,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:00,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:00,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:06:00,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:00,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:00,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:00,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:00,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:00,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:00,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:00,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:00,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:00,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:00,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:00,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 04:06:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:00,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:00,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:00,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:00,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:00,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:00,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:00,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:00,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:00,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:00,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 04:06:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:00,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:00,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:00,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:06:00,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 04:06:00,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:00,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:00,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:00,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:06:00,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:00,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:00,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:00,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:00,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:00,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:00,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:00,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:00,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:00,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:00,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:00,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:00,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:00,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:00,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:00,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:00,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:00,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:00,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:00,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:00,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:06:00,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:00,497 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 162 proven. 123 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2020-10-27 04:06:00,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1710482884] [2020-10-27 04:06:00,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:06:00,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-27 04:06:00,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94327905] [2020-10-27 04:06:00,499 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-27 04:06:00,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:06:00,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-27 04:06:00,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=524, Unknown=0, NotChecked=0, Total=600 [2020-10-27 04:06:00,500 INFO L87 Difference]: Start difference. First operand 88 states and 119 transitions. Second operand 25 states. [2020-10-27 04:06:02,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:06:02,246 INFO L93 Difference]: Finished difference Result 183 states and 302 transitions. [2020-10-27 04:06:02,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 04:06:02,247 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 140 [2020-10-27 04:06:02,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:06:02,249 INFO L225 Difference]: With dead ends: 183 [2020-10-27 04:06:02,249 INFO L226 Difference]: Without dead ends: 109 [2020-10-27 04:06:02,251 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=236, Invalid=1324, Unknown=0, NotChecked=0, Total=1560 [2020-10-27 04:06:02,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-27 04:06:02,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 104. [2020-10-27 04:06:02,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-27 04:06:02,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 150 transitions. [2020-10-27 04:06:02,269 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 150 transitions. Word has length 140 [2020-10-27 04:06:02,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:06:02,269 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 150 transitions. [2020-10-27 04:06:02,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-27 04:06:02,269 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 150 transitions. [2020-10-27 04:06:02,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-27 04:06:02,272 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:06:02,272 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:06:02,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 04:06:02,273 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:06:02,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:06:02,273 INFO L82 PathProgramCache]: Analyzing trace with hash 979786634, now seen corresponding path program 2 times [2020-10-27 04:06:02,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:06:02,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [502361386] [2020-10-27 04:06:02,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:06:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:02,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:02,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:02,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:02,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:02,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:02,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:03,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:03,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:03,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:03,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:05,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:05,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:05,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:05,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:07,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:07,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-27 04:06:07,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 04:06:07,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 04:06:07,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:07,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:06:07,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:06:07,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-27 04:06:07,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:07,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:06:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:07,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:07,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:07,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:06:07,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:07,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:07,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:07,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:07,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:07,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:07,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:07,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:06:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:07,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:07,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:07,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:07,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:07,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:07,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:07,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:07,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:07,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:08,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:08,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:08,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:09,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:12,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:12,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-27 04:06:12,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 04:06:12,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 04:06:12,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:12,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 04:06:12,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 04:06:12,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-27 04:06:12,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:12,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:12,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:12,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:12,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:12,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:12,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:12,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:12,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:12,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:12,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:12,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:12,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:12,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:13,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:13,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:14,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:14,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:14,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:14,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:15,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:17,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 04:06:17,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-27 04:06:17,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 04:06:17,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:17,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:06:17,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:17,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 04:06:17,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:17,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:17,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:17,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 04:06:17,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:06:17,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-10-27 04:06:17,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:17,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:17,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:17,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:06:17,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:17,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:17,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:17,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:06:17,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:06:17,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 04:06:17,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:17,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:17,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:17,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:17,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:17,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:17,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:17,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:17,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:17,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:17,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:17,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:17,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:17,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:17,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:17,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:17,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:17,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:17,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:17,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:06:17,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:17,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:17,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:17,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:17,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:17,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 04:06:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:17,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:17,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:17,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:17,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:17,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:17,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:17,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:17,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:17,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:17,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 04:06:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:17,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:17,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:17,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:06:17,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:06:17,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 297 [2020-10-27 04:06:17,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:17,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:06:17,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:17,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:06:17,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:17,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:17,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:18,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:18,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:18,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:06:18,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:18,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:18,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:18,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:06:18,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:18,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:18,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:18,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:18,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:18,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:18,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:18,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:18,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:18,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:18,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:18,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:18,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:18,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:18,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:18,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:06:18,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:18,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:18,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:18,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:18,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:18,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:06:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:18,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:18,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:18,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:18,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:06:18,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:18,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:18,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:18,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:06:18,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:18,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 04:06:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:18,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:19,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:19,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:23,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 04:06:23,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 04:06:23,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 04:06:23,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:23,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:06:23,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:06:23,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 04:06:23,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:23,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:23,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:23,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 04:06:23,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:06:23,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 290 [2020-10-27 04:06:23,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:23,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:06:23,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:23,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 04:06:23,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:23,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:23,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:23,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:06:23,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:06:23,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 04:06:23,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:23,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:06:23,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:23,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 04:06:23,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:23,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:23,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:23,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:23,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:06:23,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:06:23,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:23,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:06:23,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:23,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:06:23,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:23,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:23,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:23,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:23,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:23,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:06:23,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:23,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:23,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:23,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:06:23,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:23,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 04:06:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:23,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:23,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:23,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:23,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:23,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:23,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:23,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:23,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:23,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:23,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 04:06:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:23,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:23,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:23,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:23,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:06:23,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:23,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:23,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:23,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:06:23,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:23,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:23,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:23,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:23,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:23,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:06:23,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:23,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:23,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:23,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:23,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:23,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:23,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:23,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:23,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:23,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:06:23,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:23,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:23,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:23,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:23,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:23,718 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 206 proven. 124 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2020-10-27 04:06:23,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [502361386] [2020-10-27 04:06:23,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:06:23,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-27 04:06:23,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230910563] [2020-10-27 04:06:23,719 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-27 04:06:23,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:06:23,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-27 04:06:23,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2020-10-27 04:06:23,720 INFO L87 Difference]: Start difference. First operand 104 states and 150 transitions. Second operand 21 states. [2020-10-27 04:06:25,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:06:25,923 INFO L93 Difference]: Finished difference Result 303 states and 708 transitions. [2020-10-27 04:06:25,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 04:06:25,924 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 154 [2020-10-27 04:06:25,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:06:25,928 INFO L225 Difference]: With dead ends: 303 [2020-10-27 04:06:25,929 INFO L226 Difference]: Without dead ends: 189 [2020-10-27 04:06:25,933 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=242, Invalid=1318, Unknown=0, NotChecked=0, Total=1560 [2020-10-27 04:06:25,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-10-27 04:06:25,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 170. [2020-10-27 04:06:26,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-10-27 04:06:26,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 320 transitions. [2020-10-27 04:06:26,005 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 320 transitions. Word has length 154 [2020-10-27 04:06:26,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:06:26,006 INFO L481 AbstractCegarLoop]: Abstraction has 170 states and 320 transitions. [2020-10-27 04:06:26,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-27 04:06:26,006 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 320 transitions. [2020-10-27 04:06:26,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-10-27 04:06:26,016 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:06:26,016 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 15, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:06:26,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 04:06:26,016 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:06:26,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:06:26,017 INFO L82 PathProgramCache]: Analyzing trace with hash 318749752, now seen corresponding path program 2 times [2020-10-27 04:06:26,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:06:26,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1120292408] [2020-10-27 04:06:26,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:06:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:26,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:26,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:26,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:26,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:26,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:26,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:26,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:26,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:26,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:30,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:30,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:30,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:30,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:30,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:30,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:30,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:30,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:31,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-27 04:06:31,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-27 04:06:31,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-27 04:06:31,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:31,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:06:31,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:06:31,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 04:06:31,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:31,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:06:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:31,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:31,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:06:31,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:31,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:31,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:31,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:31,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:31,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:31,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:31,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:06:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:31,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:31,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:34,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:34,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:34,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:35,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:35,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:35,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:36,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-10-27 04:06:36,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 04:06:36,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 04:06:36,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:36,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 04:06:36,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 04:06:36,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 156 [2020-10-27 04:06:36,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:36,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:36,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:36,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:37,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:37,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:37,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:37,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:37,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:37,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:41,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-27 04:06:41,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-27 04:06:41,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 04:06:41,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:41,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 04:06:41,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:06:41,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-27 04:06:41,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:41,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:41,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:43,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:46,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 04:06:46,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 04:06:46,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 04:06:46,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:46,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:06:46,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:46,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 04:06:46,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:46,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:46,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:46,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:06:46,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:06:46,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 04:06:46,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:46,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:06:46,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:46,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 04:06:46,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:46,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:46,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:46,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:46,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:46,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:06:46,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:46,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:46,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:46,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:46,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:46,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:46,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:46,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:46,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:46,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:06:46,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:46,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:46,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:46,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:06:46,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:46,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 04:06:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:46,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:46,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:46,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:46,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:06:46,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:46,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:46,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:46,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:06:46,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:46,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:46,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:46,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:46,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:46,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:46,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:46,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:46,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:46,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:46,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:46,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:46,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:46,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:46,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:46,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:06:46,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:46,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:46,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:46,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:46,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:46,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 04:06:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:46,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:49,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 04:06:49,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 04:06:49,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2772 [2020-10-27 04:06:49,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:49,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:06:49,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:06:49,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 04:06:49,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:49,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:49,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:49,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:06:49,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:06:49,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 04:06:49,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:49,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:49,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:49,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:06:49,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:49,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:49,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:49,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:49,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:49,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:06:49,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:49,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:49,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:49,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:49,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:49,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:49,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:49,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:49,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:49,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:06:49,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:49,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:49,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:49,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:49,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:49,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 04:06:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:49,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:49,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:49,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:06:49,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 04:06:49,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:49,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:06:49,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:49,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:06:49,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:49,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:49,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:49,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:49,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:06:49,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:06:49,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:49,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:49,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:49,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:06:49,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:49,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:49,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:49,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:49,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:49,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:49,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:49,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:49,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:49,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:06:49,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:49,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 04:06:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:49,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:53,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:53,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:54,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:54,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-27 04:06:54,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 04:06:54,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 04:06:54,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:54,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:06:54,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 04:06:54,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-27 04:06:54,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:54,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:54,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:54,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:54,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:54,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:54,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:54,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:55,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 04:06:55,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:06:55,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 960 [2020-10-27 04:06:55,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:55,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:06:55,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:55,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 04:06:55,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:55,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:55,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:55,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:06:55,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:06:55,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-27 04:06:55,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:55,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:06:55,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:55,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 04:06:55,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:55,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:55,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:55,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:55,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:55,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:06:55,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:55,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:55,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:55,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:06:55,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:55,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:55,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:55,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:55,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:55,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:55,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:55,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:55,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:55,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:55,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:55,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 04:06:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:55,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:55,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:55,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:55,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:06:55,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:55,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:55,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:55,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:06:55,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:55,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:55,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:55,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:55,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:55,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:06:55,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:55,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:55,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:55,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:55,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:55,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:55,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:55,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:55,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:55,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:06:55,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:55,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:55,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:55,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:55,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:55,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 04:06:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:55,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:56,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:56,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:06:56,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:06:56,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 725 [2020-10-27 04:06:56,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:56,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:06:56,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:06:56,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:06:56,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:56,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:56,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:56,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:56,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:56,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:56,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:06:56,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:56,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:56,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:56,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:06:56,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:56,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:56,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:56,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:56,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:56,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:56,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:06:56,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:56,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:56,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:56,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:56,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:56,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:56,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:56,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:56,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:56,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:56,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:06:56,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:56,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:56,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:56,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:56,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:56,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:06:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:56,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:56,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:56,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:56,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:56,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:06:56,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:06:56,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:56,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:56,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:56,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:06:56,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:56,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1198 backedges. 293 proven. 401 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2020-10-27 04:06:56,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1120292408] [2020-10-27 04:06:56,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:06:56,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-27 04:06:56,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293146116] [2020-10-27 04:06:56,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-27 04:06:56,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:06:56,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-27 04:06:56,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=537, Unknown=0, NotChecked=0, Total=600 [2020-10-27 04:06:56,528 INFO L87 Difference]: Start difference. First operand 170 states and 320 transitions. Second operand 25 states. [2020-10-27 04:06:59,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:06:59,539 INFO L93 Difference]: Finished difference Result 414 states and 987 transitions. [2020-10-27 04:06:59,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-27 04:06:59,540 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 208 [2020-10-27 04:06:59,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:06:59,547 INFO L225 Difference]: With dead ends: 414 [2020-10-27 04:06:59,547 INFO L226 Difference]: Without dead ends: 254 [2020-10-27 04:06:59,554 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 64 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 516 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=358, Invalid=2398, Unknown=0, NotChecked=0, Total=2756 [2020-10-27 04:06:59,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-10-27 04:06:59,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 226. [2020-10-27 04:06:59,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-10-27 04:06:59,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 426 transitions. [2020-10-27 04:06:59,598 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 426 transitions. Word has length 208 [2020-10-27 04:06:59,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:06:59,599 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 426 transitions. [2020-10-27 04:06:59,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-27 04:06:59,599 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 426 transitions. [2020-10-27 04:06:59,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2020-10-27 04:06:59,607 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:06:59,608 INFO L422 BasicCegarLoop]: trace histogram [30, 30, 25, 25, 22, 22, 15, 15, 15, 15, 15, 15, 15, 12, 12, 12, 12, 12, 12, 12, 10, 8, 7, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:06:59,608 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 04:06:59,608 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:06:59,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:06:59,609 INFO L82 PathProgramCache]: Analyzing trace with hash 359800418, now seen corresponding path program 3 times [2020-10-27 04:06:59,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:06:59,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1823654131] [2020-10-27 04:06:59,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:06:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:59,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:59,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:00,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:00,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:00,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:00,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:00,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:00,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:04,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:04,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 501 [2020-10-27 04:07:04,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 04:07:04,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-27 04:07:04,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:04,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 04:07:04,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:07:04,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 283 [2020-10-27 04:07:04,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:04,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:07:04,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:04,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:04,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:04,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:07:04,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:04,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:07:04,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:04,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:04,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:04,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:04,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:04,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:07:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:04,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:04,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:04,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:05,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:05,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:05,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:05,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:05,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:05,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:05,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:05,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:05,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:05,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:05,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:05,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:05,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:05,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:06,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:06,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:08,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:09,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:09,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 485 [2020-10-27 04:07:09,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-27 04:07:09,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-27 04:07:09,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:09,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 04:07:09,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:07:09,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 272 [2020-10-27 04:07:09,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:09,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:09,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:09,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:10,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:10,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:10,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:10,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:10,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:10,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:10,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:10,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:10,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:10,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:10,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:10,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:12,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:12,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:12,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:13,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:13,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:13,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:13,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:14,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:14,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:14,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:14,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:14,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 309 [2020-10-27 04:07:14,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-27 04:07:14,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-27 04:07:14,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:14,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 04:07:14,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:07:14,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-10-27 04:07:14,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:15,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:15,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:15,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:15,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:15,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:15,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:15,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:15,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:15,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:15,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:15,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:18,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:18,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:20,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:20,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 04:07:20,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 04:07:20,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 04:07:20,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:20,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 04:07:20,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:20,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 04:07:20,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:20,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:20,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:20,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:20,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:20,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:20,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking...