/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block 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=NARROWEST --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 -i ../../../trunk/examples/svcomp/recursive-simple/fibo_7-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 13:04:04,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 13:04:04,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 13:04:05,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 13:04:05,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 13:04:05,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 13:04:05,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 13:04:05,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 13:04:05,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 13:04:05,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 13:04:05,016 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 13:04:05,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 13:04:05,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 13:04:05,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 13:04:05,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 13:04:05,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 13:04:05,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 13:04:05,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 13:04:05,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 13:04:05,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 13:04:05,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 13:04:05,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 13:04:05,029 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 13:04:05,030 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 13:04:05,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 13:04:05,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 13:04:05,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 13:04:05,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 13:04:05,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 13:04:05,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 13:04:05,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 13:04:05,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 13:04:05,036 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 13:04:05,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 13:04:05,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 13:04:05,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 13:04:05,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 13:04:05,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 13:04:05,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 13:04:05,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 13:04:05,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 13:04:05,041 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 [2020-10-13 13:04:05,064 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 13:04:05,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 13:04:05,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 13:04:05,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 13:04:05,066 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 13:04:05,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 13:04:05,067 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 13:04:05,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 13:04:05,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 13:04:05,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 13:04:05,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 13:04:05,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 13:04:05,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 13:04:05,068 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 13:04:05,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 13:04:05,068 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 13:04:05,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 13:04:05,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 13:04:05,069 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 13:04:05,069 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 13:04:05,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 13:04:05,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 13:04:05,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 13:04:05,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 13:04:05,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 13:04:05,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 13:04:05,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 13:04:05,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 13:04:05,071 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 13:04:05,071 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> 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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 13:04:05,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 13:04:05,419 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 13:04:05,422 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 13:04:05,427 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 13:04:05,427 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 13:04:05,428 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_7-2.c [2020-10-13 13:04:05,506 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7bb6d59a3/3c83862dee074cab97025d7627eb9862/FLAG952434513 [2020-10-13 13:04:05,982 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 13:04:05,983 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_7-2.c [2020-10-13 13:04:05,990 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7bb6d59a3/3c83862dee074cab97025d7627eb9862/FLAG952434513 [2020-10-13 13:04:06,414 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7bb6d59a3/3c83862dee074cab97025d7627eb9862 [2020-10-13 13:04:06,423 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 13:04:06,425 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 13:04:06,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 13:04:06,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 13:04:06,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 13:04:06,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:04:06" (1/1) ... [2020-10-13 13:04:06,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408b82b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:04:06, skipping insertion in model container [2020-10-13 13:04:06,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:04:06" (1/1) ... [2020-10-13 13:04:06,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 13:04:06,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 13:04:06,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 13:04:06,658 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 13:04:06,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 13:04:06,691 INFO L208 MainTranslator]: Completed translation [2020-10-13 13:04:06,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:04:06 WrapperNode [2020-10-13 13:04:06,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 13:04:06,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 13:04:06,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 13:04:06,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 13:04:06,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:04:06" (1/1) ... [2020-10-13 13:04:06,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:04:06" (1/1) ... [2020-10-13 13:04:06,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:04:06" (1/1) ... [2020-10-13 13:04:06,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:04:06" (1/1) ... [2020-10-13 13:04:06,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:04:06" (1/1) ... [2020-10-13 13:04:06,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:04:06" (1/1) ... [2020-10-13 13:04:06,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:04:06" (1/1) ... [2020-10-13 13:04:06,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 13:04:06,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 13:04:06,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 13:04:06,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 13:04:06,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:04:06" (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 [2020-10-13 13:04:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 13:04:06,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 13:04:06,874 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2020-10-13 13:04:06,874 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 13:04:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 13:04:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 13:04:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2020-10-13 13:04:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 13:04:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 13:04:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 13:04:07,041 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 13:04:07,041 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-13 13:04:07,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:04:07 BoogieIcfgContainer [2020-10-13 13:04:07,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 13:04:07,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 13:04:07,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 13:04:07,050 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 13:04:07,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:04:06" (1/3) ... [2020-10-13 13:04:07,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e23903c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:04:07, skipping insertion in model container [2020-10-13 13:04:07,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:04:06" (2/3) ... [2020-10-13 13:04:07,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e23903c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:04:07, skipping insertion in model container [2020-10-13 13:04:07,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:04:07" (3/3) ... [2020-10-13 13:04:07,054 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_7-2.c [2020-10-13 13:04:07,065 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 13:04:07,076 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 13:04:07,093 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 13:04:07,127 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 13:04:07,127 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 13:04:07,128 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 13:04:07,128 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 13:04:07,128 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 13:04:07,128 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 13:04:07,128 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 13:04:07,129 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 13:04:07,153 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-10-13 13:04:07,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-13 13:04:07,161 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:04:07,162 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:04:07,163 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:04:07,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:04:07,170 INFO L82 PathProgramCache]: Analyzing trace with hash 537028541, now seen corresponding path program 1 times [2020-10-13 13:04:07,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:04:07,180 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1860591103] [2020-10-13 13:04:07,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:04:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:07,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:07,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:07,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:07,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:04:07,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:04:07,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-13 13:04:07,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:07,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:04:07,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 13:04:07,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:04:07,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 13:04:07,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:04:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:07,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:07,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:07,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:04:07,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:07,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:04:07,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:07,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:07,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:07,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:07,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 13:04:07,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:04:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:07,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:07,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:07,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:07,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:07,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 13:04:07,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:07,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:04:07,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:07,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:04:07,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:04:07,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 13:04:07,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1860591103] [2020-10-13 13:04:07,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:04:07,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 13:04:07,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32890955] [2020-10-13 13:04:07,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 13:04:07,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:04:07,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 13:04:07,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 13:04:07,667 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 5 states. [2020-10-13 13:04:07,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:04:07,713 INFO L93 Difference]: Finished difference Result 38 states and 44 transitions. [2020-10-13 13:04:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 13:04:07,715 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-13 13:04:07,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:04:07,726 INFO L225 Difference]: With dead ends: 38 [2020-10-13 13:04:07,726 INFO L226 Difference]: Without dead ends: 21 [2020-10-13 13:04:07,730 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 13:04:07,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-10-13 13:04:07,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-10-13 13:04:07,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-13 13:04:07,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-10-13 13:04:07,778 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 13 [2020-10-13 13:04:07,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:04:07,778 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-10-13 13:04:07,778 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 13:04:07,779 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-10-13 13:04:07,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-13 13:04:07,781 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:04:07,781 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:04:07,781 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 13:04:07,782 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:04:07,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:04:07,782 INFO L82 PathProgramCache]: Analyzing trace with hash 179123823, now seen corresponding path program 1 times [2020-10-13 13:04:07,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:04:07,783 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [609709303] [2020-10-13 13:04:07,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:04:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:07,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:07,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:07,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:07,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 13:04:07,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:04:07,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-13 13:04:07,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:07,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:04:07,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 13:04:07,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:04:07,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:04:07,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:04:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:07,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:07,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:07,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:04:07,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:07,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:04:07,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:07,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:07,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:07,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:07,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:04:07,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:04:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:07,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:07,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:07,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:07,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:07,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 13:04:07,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:07,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:04:07,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:07,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:04:07,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:04:08,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 13:04:08,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [609709303] [2020-10-13 13:04:08,012 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:04:08,012 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 13:04:08,012 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88240263] [2020-10-13 13:04:08,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 13:04:08,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:04:08,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 13:04:08,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 13:04:08,015 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 5 states. [2020-10-13 13:04:08,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:04:08,037 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2020-10-13 13:04:08,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 13:04:08,038 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-13 13:04:08,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:04:08,040 INFO L225 Difference]: With dead ends: 27 [2020-10-13 13:04:08,040 INFO L226 Difference]: Without dead ends: 23 [2020-10-13 13:04:08,041 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 13:04:08,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-13 13:04:08,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2020-10-13 13:04:08,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-13 13:04:08,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-10-13 13:04:08,048 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 14 [2020-10-13 13:04:08,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:04:08,049 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-10-13 13:04:08,049 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 13:04:08,049 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-10-13 13:04:08,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-13 13:04:08,051 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:04:08,051 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:04:08,051 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 13:04:08,051 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:04:08,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:04:08,052 INFO L82 PathProgramCache]: Analyzing trace with hash 806022394, now seen corresponding path program 1 times [2020-10-13 13:04:08,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:04:08,052 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1943446077] [2020-10-13 13:04:08,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:04:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:08,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:08,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:08,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:08,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:08,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:08,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 13:04:08,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 13:04:08,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 901 [2020-10-13 13:04:08,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:08,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:04:08,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 13:04:08,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:04:08,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:04:08,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:04:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:08,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:08,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:08,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:04:08,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:08,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:04:08,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:08,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:08,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:08,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:08,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:04:08,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:04:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:09,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:09,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:09,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 13:04:09,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:09,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 13:04:09,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:09,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:04:09,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 13:04:09,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:04:09,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:04:09,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:09,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:09,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:09,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:09,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:09,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:04:09,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:09,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:04:09,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:04:09,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:04:09,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:04:09,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 13:04:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:09,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:09,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:09,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:09,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:09,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:04:09,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:09,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:09,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:04:09,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:09,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:04:09,129 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-13 13:04:09,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1943446077] [2020-10-13 13:04:09,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:04:09,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 13:04:09,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27930074] [2020-10-13 13:04:09,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 13:04:09,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:04:09,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 13:04:09,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-13 13:04:09,138 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 6 states. [2020-10-13 13:04:09,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:04:09,282 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2020-10-13 13:04:09,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 13:04:09,282 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-10-13 13:04:09,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:04:09,284 INFO L225 Difference]: With dead ends: 38 [2020-10-13 13:04:09,284 INFO L226 Difference]: Without dead ends: 23 [2020-10-13 13:04:09,285 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-13 13:04:09,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-13 13:04:09,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-10-13 13:04:09,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-13 13:04:09,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-10-13 13:04:09,292 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 26 [2020-10-13 13:04:09,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:04:09,293 INFO L479 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-10-13 13:04:09,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 13:04:09,293 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-10-13 13:04:09,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-13 13:04:09,294 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:04:09,294 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:04:09,295 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 13:04:09,295 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:04:09,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:04:09,295 INFO L82 PathProgramCache]: Analyzing trace with hash -983862936, now seen corresponding path program 1 times [2020-10-13 13:04:09,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:04:09,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1451409255] [2020-10-13 13:04:09,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:04:09,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:09,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:09,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:09,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:09,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:09,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 13:04:09,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:04:09,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 360 [2020-10-13 13:04:09,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:09,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:04:09,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:04:09,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:04:09,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:09,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:04:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:09,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:09,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:09,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:04:09,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:09,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:04:09,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:09,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:09,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:09,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:09,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:09,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:04:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:09,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:09,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:09,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:09,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:04:09,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:04:09,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-13 13:04:09,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:09,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:04:09,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:04:09,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:04:09,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:09,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:09,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:09,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:09,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:09,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:09,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:04:09,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:09,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:04:09,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:09,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:04:09,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:09,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:09,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:09,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:09,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:09,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:09,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:04:09,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:09,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:04:09,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:09,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:04:09,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:09,856 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 13:04:09,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1451409255] [2020-10-13 13:04:09,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:04:09,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 13:04:09,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711904212] [2020-10-13 13:04:09,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 13:04:09,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:04:09,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 13:04:09,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-13 13:04:09,859 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 7 states. [2020-10-13 13:04:09,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:04:09,921 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2020-10-13 13:04:09,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 13:04:09,921 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-10-13 13:04:09,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:04:09,923 INFO L225 Difference]: With dead ends: 30 [2020-10-13 13:04:09,923 INFO L226 Difference]: Without dead ends: 26 [2020-10-13 13:04:09,924 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 13:04:09,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-10-13 13:04:09,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2020-10-13 13:04:09,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-13 13:04:09,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2020-10-13 13:04:09,932 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 27 [2020-10-13 13:04:09,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:04:09,932 INFO L479 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2020-10-13 13:04:09,932 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 13:04:09,933 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2020-10-13 13:04:09,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-13 13:04:09,934 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:04:09,934 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:04:09,934 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 13:04:09,934 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:04:09,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:04:09,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1780546516, now seen corresponding path program 1 times [2020-10-13 13:04:09,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:04:09,935 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2030020275] [2020-10-13 13:04:09,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:04:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:09,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:09,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:09,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:10,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:10,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:10,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:10,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 13:04:10,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 13:04:10,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 610 [2020-10-13 13:04:10,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:10,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:04:10,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 13:04:10,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:04:10,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 13:04:10,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:04:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:10,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:10,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:10,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:04:10,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:10,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:04:10,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:10,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:10,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:10,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:10,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:10,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:04:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:10,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:10,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:10,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:10,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 13:04:10,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:04:10,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-13 13:04:10,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:10,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:04:10,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:04:10,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:04:10,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:10,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:10,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:10,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:10,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:10,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:10,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:04:10,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:10,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:04:10,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:10,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:04:10,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:10,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:10,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:10,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:10,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:10,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:10,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:04:10,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 13:04:10,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:10,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:04:10,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:04:10,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:04:10,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:04:10,714 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-13 13:04:10,715 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2030020275] [2020-10-13 13:04:10,715 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:04:10,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 13:04:10,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674433170] [2020-10-13 13:04:10,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 13:04:10,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:04:10,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 13:04:10,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 13:04:10,717 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 5 states. [2020-10-13 13:04:10,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:04:10,797 INFO L93 Difference]: Finished difference Result 52 states and 76 transitions. [2020-10-13 13:04:10,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 13:04:10,797 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-10-13 13:04:10,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:04:10,799 INFO L225 Difference]: With dead ends: 52 [2020-10-13 13:04:10,799 INFO L226 Difference]: Without dead ends: 34 [2020-10-13 13:04:10,800 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-13 13:04:10,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-13 13:04:10,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2020-10-13 13:04:10,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-13 13:04:10,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2020-10-13 13:04:10,812 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 45 transitions. Word has length 28 [2020-10-13 13:04:10,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:04:10,812 INFO L479 AbstractCegarLoop]: Abstraction has 34 states and 45 transitions. [2020-10-13 13:04:10,813 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 13:04:10,813 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2020-10-13 13:04:10,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-13 13:04:10,815 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:04:10,815 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:04:10,815 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 13:04:10,815 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:04:10,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:04:10,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1111873851, now seen corresponding path program 2 times [2020-10-13 13:04:10,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:04:10,816 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1128566575] [2020-10-13 13:04:10,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:04:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:10,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:10,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:10,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:11,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:12,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:12,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 13:04:12,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 13:04:12,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1589 [2020-10-13 13:04:12,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:12,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:04:12,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:04:12,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 13:04:12,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:12,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:04:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:12,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:12,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:12,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:04:12,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:12,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:04:12,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:12,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:12,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:12,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:12,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:12,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:04:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:12,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:12,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:12,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:13,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:13,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:04:13,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:04:13,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 658 [2020-10-13 13:04:13,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:13,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:04:13,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:04:13,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 13:04:13,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:04:13,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:13,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:13,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:13,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:13,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:04:13,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:04:13,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-13 13:04:13,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:13,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:04:13,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:13,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:04:13,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:04:13,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:13,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:13,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:13,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:13,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:13,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:04:13,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:13,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:04:13,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:13,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:04:13,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:04:13,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:13,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:13,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:13,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:13,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:13,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:04:13,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:13,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:04:13,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:13,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:04:13,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:04:13,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:04:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:13,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:13,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:13,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:13,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:13,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:04:13,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:04:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:13,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:04:13,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:04:13,321 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 26 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-13 13:04:13,321 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1128566575] [2020-10-13 13:04:13,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:04:13,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 13:04:13,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199583983] [2020-10-13 13:04:13,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 13:04:13,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:04:13,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 13:04:13,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 13:04:13,324 INFO L87 Difference]: Start difference. First operand 34 states and 45 transitions. Second operand 8 states. [2020-10-13 13:04:13,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:04:13,453 INFO L93 Difference]: Finished difference Result 77 states and 133 transitions. [2020-10-13 13:04:13,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 13:04:13,453 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-10-13 13:04:13,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:04:13,455 INFO L225 Difference]: With dead ends: 77 [2020-10-13 13:04:13,456 INFO L226 Difference]: Without dead ends: 49 [2020-10-13 13:04:13,457 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-13 13:04:13,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-13 13:04:13,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46. [2020-10-13 13:04:13,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-13 13:04:13,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 66 transitions. [2020-10-13 13:04:13,471 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 66 transitions. Word has length 41 [2020-10-13 13:04:13,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:04:13,471 INFO L479 AbstractCegarLoop]: Abstraction has 46 states and 66 transitions. [2020-10-13 13:04:13,472 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 13:04:13,472 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2020-10-13 13:04:13,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-13 13:04:13,474 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:04:13,475 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:04:13,475 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 13:04:13,475 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:04:13,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:04:13,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1587771422, now seen corresponding path program 3 times [2020-10-13 13:04:13,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:04:13,476 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1990739933] [2020-10-13 13:04:13,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:04:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:13,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:13,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:13,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:13,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:13,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:13,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:14,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:14,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:15,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:18,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:18,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 13:04:18,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 13:04:18,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 13:04:18,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:18,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:04:18,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:04:18,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:04:18,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:18,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:04:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:18,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:18,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:18,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:04:18,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:18,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:04:18,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:18,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:18,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:18,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:18,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:18,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:04:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:18,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:18,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:18,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:18,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:18,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:19,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:19,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:20,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:20,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:21,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:21,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 13:04:21,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 13:04:21,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2704 [2020-10-13 13:04:21,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:21,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:04:21,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:04:21,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 13:04:21,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:21,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:21,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:21,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:21,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:21,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:21,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:21,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:21,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:04:21,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 13:04:21,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 494 [2020-10-13 13:04:21,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:21,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:04:21,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:21,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:04:21,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:21,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:21,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:21,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:21,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:04:21,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:21,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:04:21,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:21,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:04:21,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:21,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:04:21,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:21,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:21,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:21,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:21,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:21,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:21,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:04:21,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:21,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:21,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:21,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:21,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:21,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:21,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:21,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:21,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:21,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:21,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:04:21,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:21,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:21,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:21,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:21,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:21,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:04:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:21,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:21,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:21,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:21,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:21,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:04:21,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 13:04:21,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:21,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:04:21,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:21,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:04:21,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:04:21,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:04:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:21,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:21,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:21,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:21,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:21,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:04:21,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:21,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:04:21,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:04:21,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:04:21,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:04:21,854 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 54 proven. 12 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-13 13:04:21,855 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1990739933] [2020-10-13 13:04:21,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:04:21,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 13:04:21,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213893786] [2020-10-13 13:04:21,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 13:04:21,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:04:21,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 13:04:21,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 13:04:21,859 INFO L87 Difference]: Start difference. First operand 46 states and 66 transitions. Second operand 7 states. [2020-10-13 13:04:22,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:04:22,100 INFO L93 Difference]: Finished difference Result 119 states and 225 transitions. [2020-10-13 13:04:22,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 13:04:22,102 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-10-13 13:04:22,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:04:22,108 INFO L225 Difference]: With dead ends: 119 [2020-10-13 13:04:22,108 INFO L226 Difference]: Without dead ends: 74 [2020-10-13 13:04:22,109 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-10-13 13:04:22,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-13 13:04:22,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 62. [2020-10-13 13:04:22,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-13 13:04:22,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 104 transitions. [2020-10-13 13:04:22,144 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 104 transitions. Word has length 55 [2020-10-13 13:04:22,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:04:22,144 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 104 transitions. [2020-10-13 13:04:22,144 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 13:04:22,145 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 104 transitions. [2020-10-13 13:04:22,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-13 13:04:22,149 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:04:22,149 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:04:22,150 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 13:04:22,154 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:04:22,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:04:22,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1167232863, now seen corresponding path program 4 times [2020-10-13 13:04:22,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:04:22,155 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [914070608] [2020-10-13 13:04:22,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:04:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:22,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:22,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:22,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:22,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:22,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:22,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:22,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:22,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:22,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:22,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:22,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:24,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:24,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:24,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:24,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:27,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:27,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-13 13:04:27,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-13 13:04:27,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 13:04:27,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:27,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:04:27,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:04:27,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:04:27,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:27,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:04:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:27,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:27,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:27,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:04:27,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:27,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:04:27,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:27,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:27,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:27,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:27,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-13 13:04:27,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:04:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:27,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:27,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:27,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:27,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:27,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:27,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:27,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:27,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:28,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:28,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:28,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:30,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:30,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:30,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:30,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:30,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:30,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:32,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:32,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:04:32,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-13 13:04:32,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 13:04:32,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:32,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:04:32,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 13:04:32,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 13:04:32,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:04:32,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:32,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:32,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:32,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:32,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:32,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:32,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:32,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:32,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:32,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:34,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-13 13:04:34,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 13:04:34,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2378 [2020-10-13 13:04:34,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:34,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:04:34,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:04:34,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 13:04:34,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:34,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:34,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:34,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:04:34,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:04:34,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-13 13:04:34,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:34,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:04:34,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:34,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:04:34,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:34,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:34,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:34,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:34,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:04:34,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 13:04:34,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:34,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:04:34,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:34,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:04:34,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:34,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:34,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:34,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:34,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:34,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:04:34,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:34,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:04:34,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:34,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:04:34,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:34,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:04:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:34,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:34,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:04:34,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:04:34,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-13 13:04:34,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:34,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:04:34,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:04:34,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:04:34,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:34,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:34,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:34,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:34,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:34,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:04:34,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:34,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:04:34,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:34,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:04:34,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:34,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:34,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:34,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:34,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:34,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:04:34,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:34,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:04:34,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:34,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:04:34,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:34,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 13:04:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:34,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:34,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:34,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:34,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:04:34,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:34,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:34,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 13:04:34,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:34,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:34,984 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 69 proven. 65 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-10-13 13:04:34,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [914070608] [2020-10-13 13:04:34,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:04:34,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 13:04:34,986 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761108038] [2020-10-13 13:04:34,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 13:04:34,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:04:34,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 13:04:34,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-10-13 13:04:34,987 INFO L87 Difference]: Start difference. First operand 62 states and 104 transitions. Second operand 13 states. [2020-10-13 13:04:35,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:04:35,217 INFO L93 Difference]: Finished difference Result 101 states and 174 transitions. [2020-10-13 13:04:35,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 13:04:35,218 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 68 [2020-10-13 13:04:35,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:04:35,219 INFO L225 Difference]: With dead ends: 101 [2020-10-13 13:04:35,219 INFO L226 Difference]: Without dead ends: 47 [2020-10-13 13:04:35,220 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2020-10-13 13:04:35,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-13 13:04:35,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-10-13 13:04:35,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-10-13 13:04:35,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 56 transitions. [2020-10-13 13:04:35,228 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 56 transitions. Word has length 68 [2020-10-13 13:04:35,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:04:35,228 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 56 transitions. [2020-10-13 13:04:35,228 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 13:04:35,228 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2020-10-13 13:04:35,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-13 13:04:35,230 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:04:35,230 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 9, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:04:35,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 13:04:35,231 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:04:35,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:04:35,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1986920854, now seen corresponding path program 5 times [2020-10-13 13:04:35,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:04:35,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [672279170] [2020-10-13 13:04:35,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:04:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:35,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:35,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:35,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:35,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:35,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:35,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:35,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:35,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:35,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:35,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:35,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:35,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:35,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:35,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:35,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:36,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:36,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:36,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:37,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:37,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:40,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:40,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 13:04:40,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-13 13:04:40,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 13:04:40,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:40,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:04:40,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:04:40,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:04:40,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:40,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:04:40,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:40,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:40,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:40,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:04:40,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:40,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:04:40,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:40,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:40,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:40,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:40,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:40,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:04:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:40,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:40,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:40,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:40,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:40,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:40,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:40,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:40,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:40,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:40,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:40,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:40,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:40,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:40,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:41,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:45,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:45,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-13 13:04:45,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-13 13:04:45,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-13 13:04:45,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:45,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 13:04:45,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:04:45,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 13:04:45,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:04:45,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:45,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:45,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:45,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:45,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:45,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:45,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:46,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:46,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:04:46,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:04:46,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1474 [2020-10-13 13:04:46,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:46,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:04:46,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:46,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:04:46,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:46,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:46,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:46,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:46,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:46,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:46,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:04:46,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:04:46,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-13 13:04:46,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:46,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:04:46,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:46,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:04:46,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:47,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:47,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:47,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:47,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:47,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:47,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:04:47,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:47,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:04:47,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:47,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:04:47,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:04:47,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:47,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:47,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:47,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:47,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:47,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:04:47,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:47,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:04:47,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:47,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:04:47,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:47,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:04:47,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:47,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:47,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:47,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:47,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:47,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:04:47,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:47,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:04:47,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:47,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:04:47,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:47,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:04:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:47,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:47,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:47,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:47,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:47,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:47,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:47,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:04:47,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 13:04:47,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 354 [2020-10-13 13:04:47,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:47,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:04:47,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:04:47,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 13:04:47,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:47,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:47,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:47,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:47,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:47,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:47,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:04:47,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:04:47,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-13 13:04:47,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:47,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:04:47,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:47,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:04:47,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:47,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:47,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:47,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:47,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:47,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:47,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:04:47,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:04:47,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:47,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:04:47,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:47,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:04:47,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:47,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:47,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:47,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:47,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:47,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:47,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:04:47,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:47,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:04:47,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:47,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:04:47,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:47,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:04:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:47,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:47,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:47,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:47,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:47,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:04:47,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:47,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:04:47,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:47,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:04:47,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:47,614 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 88 proven. 120 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2020-10-13 13:04:47,615 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [672279170] [2020-10-13 13:04:47,615 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:04:47,615 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-13 13:04:47,616 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413774814] [2020-10-13 13:04:47,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-13 13:04:47,616 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:04:47,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-13 13:04:47,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2020-10-13 13:04:47,617 INFO L87 Difference]: Start difference. First operand 47 states and 56 transitions. Second operand 15 states. [2020-10-13 13:04:48,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:04:48,024 INFO L93 Difference]: Finished difference Result 96 states and 132 transitions. [2020-10-13 13:04:48,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 13:04:48,025 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 82 [2020-10-13 13:04:48,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:04:48,029 INFO L225 Difference]: With dead ends: 96 [2020-10-13 13:04:48,029 INFO L226 Difference]: Without dead ends: 59 [2020-10-13 13:04:48,030 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2020-10-13 13:04:48,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-13 13:04:48,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 54. [2020-10-13 13:04:48,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-13 13:04:48,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 64 transitions. [2020-10-13 13:04:48,046 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 64 transitions. Word has length 82 [2020-10-13 13:04:48,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:04:48,046 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 64 transitions. [2020-10-13 13:04:48,046 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-13 13:04:48,046 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2020-10-13 13:04:48,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-13 13:04:48,050 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:04:48,050 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 15, 9, 9, 9, 9, 9, 9, 9, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:04:48,051 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 13:04:48,051 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:04:48,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:04:48,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1040445716, now seen corresponding path program 6 times [2020-10-13 13:04:48,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:04:48,052 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [731759811] [2020-10-13 13:04:48,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:04:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:48,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:49,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:49,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:49,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:49,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:49,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:53,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 13:04:53,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-13 13:04:53,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 13:04:53,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:53,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:04:53,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:04:53,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 13:04:53,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:53,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:04:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:53,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:53,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:04:53,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:53,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:04:53,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:53,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:53,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:53,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:53,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:53,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:04:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:53,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:56,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:56,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:57,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:57,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:57,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:57,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:58,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:58,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-13 13:04:58,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-13 13:04:58,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-13 13:04:58,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:58,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-13 13:04:58,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:04:58,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-13 13:04:58,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:58,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:58,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:58,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:58,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:58,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:58,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:58,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:58,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:58,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:58,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:58,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:58,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:03,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:03,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:05:03,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-13 13:05:03,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 13:05:03,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:03,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:05:03,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:03,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 13:05:03,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:03,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:03,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:03,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:03,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:03,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:03,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:03,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:04,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:05:04,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:05:04,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 879 [2020-10-13 13:05:04,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:04,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:05:04,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:04,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:05:04,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:04,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:04,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:04,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:04,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:05:04,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-13 13:05:04,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:04,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:05:04,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:04,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:05:04,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:04,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:04,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:04,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:04,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:04,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:05:04,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:04,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:05:04,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:04,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:05:04,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:04,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:04,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:04,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:04,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:04,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:04,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:04,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:05:04,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:04,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:05:04,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:04,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:05:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:04,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:04,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:04,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:04,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:05:04,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:04,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:05:04,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:04,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:05:04,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:04,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:05:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:04,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:04,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:04,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:04,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:05:04,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:04,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:05:04,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:04,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:05:04,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:04,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:04,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:04,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:04,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:04,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:04,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:04,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:04,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:04,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:04,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:04,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:04,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:04,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:04,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:04,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:05:04,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:04,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:04,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:04,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:04,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:04,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 13:05:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:04,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:08,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:08,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:05:08,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 13:05:08,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4318 [2020-10-13 13:05:08,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:08,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:05:08,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:05:08,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:05:08,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:08,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:08,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:08,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:08,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:08,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:08,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:08,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:09,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:09,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:05:09,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:05:09,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 632 [2020-10-13 13:05:09,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:09,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:05:09,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:09,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:05:09,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:09,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:09,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:09,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:09,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:09,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:09,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:09,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:05:09,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 13:05:09,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:09,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:05:09,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:09,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:05:09,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:09,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:09,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:09,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:09,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:09,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:09,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:09,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:05:09,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:09,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:05:09,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:09,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:05:09,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:09,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:09,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:09,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:09,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:09,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:09,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:09,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:09,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:05:09,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:09,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:05:09,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:09,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:05:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:09,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:09,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:09,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:09,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:09,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:05:09,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:09,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:05:09,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:09,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:05:09,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:09,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:05:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:09,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:09,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:09,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:09,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:09,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:05:09,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:09,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:05:09,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:09,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:05:09,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 13:05:09,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:09,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:09,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:09,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:09,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:09,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:09,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:09,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:09,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:09,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:09,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:09,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:09,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:09,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:09,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:09,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:09,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:09,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:09,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:09,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:09,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:09,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:09,471 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 205 proven. 347 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2020-10-13 13:05:09,472 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [731759811] [2020-10-13 13:05:09,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:05:09,472 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-13 13:05:09,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174063394] [2020-10-13 13:05:09,473 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 13:05:09,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:05:09,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 13:05:09,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-10-13 13:05:09,474 INFO L87 Difference]: Start difference. First operand 54 states and 64 transitions. Second operand 14 states. [2020-10-13 13:05:09,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:05:09,972 INFO L93 Difference]: Finished difference Result 116 states and 177 transitions. [2020-10-13 13:05:09,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-13 13:05:09,972 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 136 [2020-10-13 13:05:09,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:05:09,974 INFO L225 Difference]: With dead ends: 116 [2020-10-13 13:05:09,974 INFO L226 Difference]: Without dead ends: 75 [2020-10-13 13:05:09,975 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 38 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2020-10-13 13:05:09,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-13 13:05:09,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 67. [2020-10-13 13:05:09,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-10-13 13:05:09,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 83 transitions. [2020-10-13 13:05:09,986 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 83 transitions. Word has length 136 [2020-10-13 13:05:09,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:05:09,986 INFO L479 AbstractCegarLoop]: Abstraction has 67 states and 83 transitions. [2020-10-13 13:05:09,986 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 13:05:09,986 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 83 transitions. [2020-10-13 13:05:09,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-13 13:05:09,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:05:09,989 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 25, 15, 15, 15, 15, 15, 15, 15, 10, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:05:09,989 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 13:05:09,989 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:05:09,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:05:09,990 INFO L82 PathProgramCache]: Analyzing trace with hash 706081956, now seen corresponding path program 7 times [2020-10-13 13:05:09,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:05:09,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1122289547] [2020-10-13 13:05:09,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:05:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:10,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:10,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:10,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:10,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:10,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:10,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:10,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:10,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:15,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:15,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 13:05:15,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 13:05:15,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-13 13:05:15,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:15,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 13:05:15,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:05:15,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:05:15,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:15,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:05:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:15,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:15,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:15,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:05:15,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:15,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:05:15,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:15,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:15,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:15,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:15,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:15,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:05:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:15,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:15,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:15,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:15,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:15,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:15,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:15,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:16,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:18,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:18,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:18,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:18,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:19,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:19,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:19,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:20,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:20,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-13 13:05:20,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-13 13:05:20,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 13:05:20,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:20,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-13 13:05:20,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:05:20,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-13 13:05:20,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:20,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:20,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:20,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:20,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:20,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:20,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:20,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:20,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:20,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:20,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:21,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:21,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:21,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:21,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:21,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:21,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:21,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:21,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:21,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:21,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:21,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:22,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:22,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:22,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:22,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:22,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:25,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:25,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 13:05:25,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-13 13:05:25,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 13:05:25,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:25,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-13 13:05:25,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:25,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-13 13:05:25,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:25,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:25,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:25,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:25,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:25,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:25,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:25,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:25,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:25,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:25,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:27,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:27,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:27,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:27,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:27,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:27,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:27,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:27,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:30,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:05:30,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-13 13:05:30,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 13:05:30,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:30,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:05:30,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:30,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 13:05:30,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:30,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:30,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:30,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:05:30,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:30,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:05:30,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:30,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:05:30,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:30,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 13:05:30,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:30,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:30,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:30,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:30,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:30,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:05:30,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:30,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:30,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:30,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:30,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:30,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:30,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:30,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:30,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:30,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:30,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:30,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:30,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:30,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:30,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:30,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:30,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:30,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:30,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:30,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:05:30,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:30,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:30,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:30,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:30,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:30,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:05:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:30,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:30,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:30,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:30,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:30,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:30,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:30,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:30,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:30,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:30,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:05:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:30,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:30,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:30,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:05:30,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-13 13:05:30,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:30,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:05:30,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:30,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:05:30,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:30,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:30,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:30,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:30,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:05:30,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:05:30,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:30,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:05:30,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:30,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:05:30,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:30,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:30,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:30,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:30,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:30,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:05:30,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:30,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:05:30,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:30,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:05:30,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:30,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 13:05:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:30,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:30,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:05:30,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 13:05:30,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 326 [2020-10-13 13:05:30,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:30,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:05:30,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:30,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:05:30,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:30,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:30,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:30,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:30,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:30,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:05:30,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:30,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:05:30,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:30,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:05:30,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:30,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:30,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:30,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:30,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:30,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:30,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:30,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:30,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:30,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:30,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:30,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:30,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:30,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:30,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:30,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:05:30,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:30,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:30,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:30,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:30,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:30,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:05:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:30,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:30,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:30,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:05:30,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:05:30,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:30,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:05:30,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:30,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:05:30,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:30,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 13:05:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:30,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:31,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:31,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:31,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:35,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:35,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 13:05:35,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-13 13:05:35,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 13:05:35,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:35,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:05:35,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:05:35,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-13 13:05:35,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:35,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:35,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:35,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:35,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:05:35,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:35,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 13:05:35,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:35,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:05:35,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:35,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:05:35,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:35,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:35,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:35,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:35,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:05:35,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:35,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:05:35,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:35,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:35,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:35,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:35,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:35,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:35,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:35,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:35,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:35,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:35,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:05:35,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:35,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:35,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:35,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:35,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:35,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:35,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:35,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:35,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:35,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:35,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:35,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:35,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:35,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:35,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:35,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:35,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:35,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:35,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:35,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:35,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:35,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:35,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:35,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:35,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:35,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:35,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:35,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:05:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:35,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:35,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:35,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:35,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:35,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:05:35,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:35,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:35,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:35,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:35,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:35,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:05:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:35,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:35,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:35,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:35,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:35,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:05:35,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:35,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:35,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:35,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:35,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:35,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:35,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:35,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:35,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:35,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:35,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:35,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:35,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:35,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:35,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:35,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:35,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:35,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:35,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:35,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:35,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:35,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:05:35,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:35,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:35,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:35,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:35,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:35,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 13:05:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:35,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:35,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:35,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:35,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:35,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:35,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:36,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:36,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:05:36,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:05:36,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 673 [2020-10-13 13:05:36,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:36,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:05:36,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:36,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:05:36,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:36,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:36,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:36,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:36,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:36,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:36,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:36,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:05:36,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 13:05:36,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:36,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:05:36,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:36,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:05:36,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:36,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:36,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:36,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:36,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:36,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:36,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:05:36,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:05:36,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:36,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:05:36,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:36,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:05:36,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:36,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:36,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:36,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:36,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:36,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:36,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:36,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:36,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:05:36,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:36,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:05:36,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:36,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:05:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:36,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:36,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:36,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:36,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:36,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:05:36,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:36,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:05:36,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:36,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:05:36,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:36,779 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 647 proven. 693 refuted. 0 times theorem prover too weak. 1240 trivial. 0 not checked. [2020-10-13 13:05:36,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1122289547] [2020-10-13 13:05:36,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:05:36,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-13 13:05:36,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752023353] [2020-10-13 13:05:36,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-13 13:05:36,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:05:36,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-13 13:05:36,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2020-10-13 13:05:36,782 INFO L87 Difference]: Start difference. First operand 67 states and 83 transitions. Second operand 18 states. [2020-10-13 13:05:37,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:05:37,409 INFO L93 Difference]: Finished difference Result 151 states and 232 transitions. [2020-10-13 13:05:37,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-13 13:05:37,409 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 218 [2020-10-13 13:05:37,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:05:37,412 INFO L225 Difference]: With dead ends: 151 [2020-10-13 13:05:37,412 INFO L226 Difference]: Without dead ends: 98 [2020-10-13 13:05:37,413 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2020-10-13 13:05:37,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-10-13 13:05:37,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 80. [2020-10-13 13:05:37,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-10-13 13:05:37,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 106 transitions. [2020-10-13 13:05:37,437 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 106 transitions. Word has length 218 [2020-10-13 13:05:37,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:05:37,438 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 106 transitions. [2020-10-13 13:05:37,440 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-13 13:05:37,441 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 106 transitions. [2020-10-13 13:05:37,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2020-10-13 13:05:37,447 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:05:37,447 INFO L422 BasicCegarLoop]: trace histogram [43, 43, 35, 21, 21, 21, 21, 21, 21, 21, 14, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:05:37,447 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 13:05:37,448 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:05:37,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:05:37,448 INFO L82 PathProgramCache]: Analyzing trace with hash -128612308, now seen corresponding path program 8 times [2020-10-13 13:05:37,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:05:37,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1260797569] [2020-10-13 13:05:37,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:05:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:37,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:37,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:37,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:37,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:37,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:37,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:37,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:37,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:37,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:37,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:37,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:39,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:39,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:39,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:39,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:39,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:39,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:40,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:40,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:40,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:41,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:41,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:41,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:41,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:42,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:42,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 392 [2020-10-13 13:05:42,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-13 13:05:42,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-10-13 13:05:42,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:42,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 13:05:42,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-13 13:05:42,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-13 13:05:42,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:42,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:05:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:42,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:42,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:42,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:05:42,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:42,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:05:42,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:42,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:42,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:42,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:42,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:42,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:05:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:42,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:42,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:42,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:42,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:42,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:42,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:42,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:42,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:44,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:44,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:45,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:47,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:47,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 380 [2020-10-13 13:05:47,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-13 13:05:47,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-13 13:05:47,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:47,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 13:05:47,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 13:05:47,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-13 13:05:47,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:47,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:47,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:47,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:47,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:47,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:47,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:47,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:47,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:48,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:48,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:48,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:52,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:52,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-13 13:05:52,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 13:05:52,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 13:05:52,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:52,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-13 13:05:52,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:05:52,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-13 13:05:52,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:52,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:52,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:52,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:52,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:52,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:52,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:52,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:52,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:52,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:52,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:52,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:53,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:53,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:53,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:54,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:54,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:57,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:57,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 13:05:57,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-13 13:05:57,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 13:05:57,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:57,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:05:57,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:57,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-13 13:05:57,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:57,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:57,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:57,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:57,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:57,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:57,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:57,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:57,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:57,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:58,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:58,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:58,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:01,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:01,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:01,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:02,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:02,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:06:02,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-13 13:06:02,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 13:06:02,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:02,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:06:02,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:02,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 13:06:02,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:02,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:02,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:02,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:02,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:02,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:02,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:02,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:03,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:03,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:06:03,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:06:03,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 625 [2020-10-13 13:06:03,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:03,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:06:03,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:03,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:06:03,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:03,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:03,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:03,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:03,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:03,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:03,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:03,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:06:03,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-13 13:06:03,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:03,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:06:03,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:03,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:06:03,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:03,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:03,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:03,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:03,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:03,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:03,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:06:03,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:03,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:03,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:03,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:06:03,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:03,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:03,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:03,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:03,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:03,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:03,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:06:03,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:03,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:03,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:03,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:06:03,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:03,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:06:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:03,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:03,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:03,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:03,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:03,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:06:03,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:03,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:03,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:03,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:06:03,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:03,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:06:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:03,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:03,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:03,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:03,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:03,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:06:03,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:03,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:03,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:03,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:06:03,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:03,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:03,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:03,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:03,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:03,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:03,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:06:03,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:03,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:03,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:03,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:03,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:03,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:03,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:03,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:03,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:03,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:03,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:03,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:03,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:03,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:03,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:03,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:03,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 13:06:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:03,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:03,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:03,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:06:03,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:03,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 13:06:03,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:03,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:03,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:03,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 13:06:03,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:03,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:03,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:03,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:03,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:03,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:03,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:06:03,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:03,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:03,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:03,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:03,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:03,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:03,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:03,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:03,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:03,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:03,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:03,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:03,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:03,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:03,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:03,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:03,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:03,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:03,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:03,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:03,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:03,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:03,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:03,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:03,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:03,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:03,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:03,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:06:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:03,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:03,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:03,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:03,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:03,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:03,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:03,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:03,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:03,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:03,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:03,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 13:06:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:03,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:03,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:03,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:04,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:04,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:06:04,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:06:04,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 439 [2020-10-13 13:06:04,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:04,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:06:04,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:06:04,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 13:06:04,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:04,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:04,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:04,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:04,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:04,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:04,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:06:04,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 13:06:04,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:04,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:06:04,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:04,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:06:04,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:04,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:04,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:04,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:04,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:04,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:04,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:06:04,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:04,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:04,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:04,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:06:04,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:04,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:04,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:04,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:04,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:04,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:04,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:06:04,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:04,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:06:04,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:04,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:06:04,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:04,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:06:04,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:04,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:04,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:04,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:04,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:04,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:06:04,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:04,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:04,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:04,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:06:04,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:04,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-13 13:06:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:04,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:04,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:04,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:04,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:04,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:04,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:04,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:05,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:05,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:05,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:05,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:05,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:06,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:06,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:09,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:09,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-13 13:06:09,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-13 13:06:09,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 13:06:09,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:09,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:09,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 183 [2020-10-13 13:06:09,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:09,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:09,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:09,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:09,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:09,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:09,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 13:06:09,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:09,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 13:06:09,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:09,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:09,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:09,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:09,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:09,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:09,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:09,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:09,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:06:09,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:09,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:06:09,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:09,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:09,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:09,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:09,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:09,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:09,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:09,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:09,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:06:09,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:09,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:06:09,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:09,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:09,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:09,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:09,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:09,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:09,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:09,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:09,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:09,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:09,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:09,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:09,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:09,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:09,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:09,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:09,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:09,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:09,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:09,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:09,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:09,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:09,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:09,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:09,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:09,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:09,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:09,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:09,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:09,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:09,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:09,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:09,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:09,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:09,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:09,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:09,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:09,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:09,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:06:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:09,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:09,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:09,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:09,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:09,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:09,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:09,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:09,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:09,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:09,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:09,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:06:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:09,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:09,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:09,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:09,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:09,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:06:09,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:09,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:09,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:09,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:09,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:09,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:09,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:09,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:09,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:09,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:09,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:09,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:09,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:09,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:09,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:09,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:09,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:09,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:09,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:09,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:09,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:09,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:09,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:09,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:09,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:09,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:09,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:09,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 13:06:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:09,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:09,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:09,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:06:09,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:09,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:06:09,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:09,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:09,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:09,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:09,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:09,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:09,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:09,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:09,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:09,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:09,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:06:09,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:09,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:09,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:09,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:09,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:09,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:09,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:09,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:09,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:09,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:09,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:09,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:09,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:09,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:09,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:09,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:09,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:09,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:09,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:09,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:09,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:09,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:09,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:09,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:09,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:09,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:09,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:09,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:06:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:09,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:09,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:09,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:09,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:09,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:09,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:09,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:09,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:09,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:09,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:09,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 13:06:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:09,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:09,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:09,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:06:09,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:09,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:06:09,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:09,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:09,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:09,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:09,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:09,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:09,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:09,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:09,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:09,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:09,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:06:09,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:09,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:09,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:09,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:09,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:09,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:09,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:09,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:09,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:09,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:09,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:09,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:09,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:09,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:09,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:09,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:09,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:09,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:09,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:09,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:09,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:09,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:09,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:09,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:09,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:09,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:09,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:09,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:06:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:09,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:09,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:09,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:09,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:09,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:09,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:09,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:09,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:09,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:09,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:09,584 INFO L134 CoverageAnalysis]: Checked inductivity of 5047 backedges. 451 proven. 1187 refuted. 0 times theorem prover too weak. 3409 trivial. 0 not checked. [2020-10-13 13:06:09,585 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1260797569] [2020-10-13 13:06:09,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:06:09,585 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-13 13:06:09,585 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301415207] [2020-10-13 13:06:09,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-13 13:06:09,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:06:09,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-13 13:06:09,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-10-13 13:06:09,587 INFO L87 Difference]: Start difference. First operand 80 states and 106 transitions. Second operand 17 states. [2020-10-13 13:06:10,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:06:10,090 INFO L93 Difference]: Finished difference Result 156 states and 223 transitions. [2020-10-13 13:06:10,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-13 13:06:10,091 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 300 [2020-10-13 13:06:10,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:06:10,093 INFO L225 Difference]: With dead ends: 156 [2020-10-13 13:06:10,093 INFO L226 Difference]: Without dead ends: 90 [2020-10-13 13:06:10,094 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=229, Invalid=641, Unknown=0, NotChecked=0, Total=870 [2020-10-13 13:06:10,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-10-13 13:06:10,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 84. [2020-10-13 13:06:10,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-13 13:06:10,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 112 transitions. [2020-10-13 13:06:10,104 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 112 transitions. Word has length 300 [2020-10-13 13:06:10,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:06:10,105 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 112 transitions. [2020-10-13 13:06:10,105 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-13 13:06:10,105 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 112 transitions. [2020-10-13 13:06:10,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-10-13 13:06:10,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:06:10,111 INFO L422 BasicCegarLoop]: trace histogram [51, 51, 41, 25, 25, 25, 25, 25, 25, 25, 16, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:06:10,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 13:06:10,111 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:06:10,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:06:10,112 INFO L82 PathProgramCache]: Analyzing trace with hash 223191898, now seen corresponding path program 9 times [2020-10-13 13:06:10,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:06:10,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [322495962] [2020-10-13 13:06:10,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:06:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:10,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:10,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:10,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:10,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:10,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:10,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:10,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:10,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:10,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:10,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:11,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:11,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:11,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:11,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:11,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:12,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:12,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:12,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:12,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:12,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:15,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:15,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 462 [2020-10-13 13:06:15,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-13 13:06:15,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5059 [2020-10-13 13:06:15,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:15,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:06:15,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:06:15,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 295 [2020-10-13 13:06:15,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:15,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:06:15,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:15,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:15,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:15,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:06:15,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:15,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:15,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:15,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:15,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:15,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:15,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:15,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:06:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:15,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:15,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:15,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:15,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:15,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:15,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:15,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:15,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:15,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:15,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:15,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:16,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:16,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:16,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:16,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:17,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:18,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:18,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:19,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:19,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:19,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:19,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:20,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:20,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:20,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 450 [2020-10-13 13:06:20,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-13 13:06:20,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-13 13:06:20,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:20,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-13 13:06:20,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:06:20,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 249 [2020-10-13 13:06:20,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:20,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:20,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:20,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:20,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:20,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:20,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:20,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:20,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:20,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:20,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:20,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:20,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:20,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:22,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:22,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:22,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:23,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:23,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:23,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:23,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:25,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:25,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-13 13:06:25,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-13 13:06:25,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-13 13:06:25,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:25,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:06:25,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:25,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-10-13 13:06:25,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:25,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:25,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:25,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:25,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:25,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:25,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:25,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:25,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:25,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:25,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:25,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:26,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:26,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:26,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:30,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:30,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 13:06:30,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-13 13:06:30,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 13:06:30,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:30,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:06:30,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:30,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-13 13:06:30,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:30,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:30,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:30,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:30,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:30,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:06:30,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:30,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 13:06:30,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:30,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:30,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:30,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:06:30,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:30,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:30,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:30,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:30,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:06:30,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:30,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:06:30,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:30,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:30,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:30,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:30,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:30,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:30,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:30,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:30,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:30,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:30,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:06:30,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:30,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:30,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:30,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:30,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:30,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:30,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:30,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:30,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:30,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:30,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:30,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:30,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:30,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:30,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:30,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:30,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:30,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:30,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:30,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:30,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:30,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:30,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:30,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:30,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:30,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:30,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:30,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:06:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:30,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:30,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:30,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:30,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:30,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:30,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:30,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:30,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:30,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:30,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:30,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:06:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:30,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:30,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:30,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:30,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:30,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:30,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:30,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:30,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:30,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:30,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:30,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:30,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:30,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:30,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:30,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:30,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:30,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:30,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:30,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:30,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:30,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:30,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:30,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:30,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:30,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:30,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:30,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:30,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:30,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:30,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:30,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:30,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:30,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 13:06:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:30,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:30,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:30,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:30,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:30,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:30,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:31,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:31,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:06:31,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:06:31,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1163 [2020-10-13 13:06:31,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:31,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:06:31,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:31,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:06:31,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:31,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:31,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:31,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:31,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:31,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:31,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:31,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:06:31,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-13 13:06:31,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:31,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:06:31,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:31,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:06:31,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:31,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:31,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:31,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:31,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:31,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:31,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:06:31,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:31,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:06:31,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:31,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:06:31,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:31,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:31,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:31,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:31,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:31,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:31,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:06:31,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:31,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:31,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:31,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:06:31,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:31,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:06:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:31,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:31,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:31,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:31,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:31,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:06:31,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:31,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:31,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:31,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:06:31,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:31,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 13:06:31,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:31,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:31,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:31,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:06:31,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:31,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 13:06:31,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:31,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:31,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:31,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:06:31,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:31,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:31,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:31,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:31,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:06:31,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:31,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:06:31,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:31,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:31,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:31,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:31,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:31,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:31,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:31,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:31,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:31,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:31,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:06:31,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:31,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:31,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:31,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:31,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:31,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:31,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:31,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:31,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:31,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:31,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:31,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:06:31,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:31,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:31,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:31,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:31,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:31,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:31,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:31,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:31,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:31,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:31,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:31,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:31,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:31,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:31,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:31,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:31,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:06:31,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:31,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:31,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:31,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:31,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:31,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:31,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:31,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:31,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:31,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:31,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:31,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:06:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:31,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:31,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:31,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:31,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:31,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:06:31,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:31,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:31,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:31,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:31,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:31,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:31,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:31,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:31,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:31,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:31,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:31,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:31,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:31,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:31,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:31,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:31,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:31,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:31,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:31,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:31,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:31,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:31,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:31,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:31,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:31,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:31,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:31,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-13 13:06:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:32,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:32,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:32,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:32,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:32,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:32,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:32,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:32,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:32,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:32,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:32,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:33,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:33,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:33,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:33,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:34,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:34,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:34,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:34,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:36,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:37,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:37,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-13 13:06:37,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-13 13:06:37,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 13:06:37,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:37,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-13 13:06:37,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:06:37,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-10-13 13:06:37,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:37,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:37,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:37,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:37,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:37,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:37,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:37,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:37,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:37,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:37,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:37,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:37,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:37,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:37,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:42,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:42,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 13:06:42,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-13 13:06:42,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 13:06:42,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:42,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:06:42,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:42,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-13 13:06:42,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:42,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:42,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:42,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:42,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:42,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:42,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:42,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:42,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:42,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:42,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:43,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:44,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:47,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:47,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:06:47,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-13 13:06:47,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 13:06:47,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:47,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:06:47,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:47,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 13:06:47,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:47,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:47,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:47,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:47,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:06:47,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:47,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:06:47,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:47,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:47,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:47,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 13:06:47,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:47,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:47,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:47,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:47,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:47,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:47,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:06:47,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:47,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:47,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:47,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:47,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:47,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:47,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:47,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:47,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:47,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:47,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:47,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:47,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:47,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:47,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:47,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:47,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:47,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:47,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:47,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:47,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:47,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:47,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:47,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:47,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:47,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:47,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:47,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:06:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:47,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:47,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:47,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:47,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:47,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:47,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:47,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:47,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:47,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:47,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:47,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:06:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:47,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:47,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:47,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:47,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:47,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:47,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:06:47,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 13:06:47,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:47,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:06:47,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:47,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:06:47,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:47,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:47,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:47,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:47,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:47,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:47,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:06:47,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:06:47,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:47,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:06:47,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:47,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:06:47,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:47,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:47,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:47,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:47,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:47,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:47,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:47,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:47,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:47,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:47,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:06:47,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:47,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 13:06:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:47,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:47,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:47,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:06:47,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:47,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:06:47,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:47,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:47,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:47,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 13:06:47,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:47,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:47,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:47,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:47,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:47,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:47,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:47,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:47,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:47,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:47,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:47,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:47,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:47,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:47,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:47,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:47,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:47,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:47,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:47,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:47,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:47,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:47,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:47,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:47,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:47,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:47,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:47,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:47,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:47,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:47,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:47,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:47,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:47,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:47,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:06:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:47,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:47,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:47,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:47,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:47,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:47,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:47,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:47,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:47,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:47,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:47,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 13:06:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:47,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:47,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:47,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:47,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:47,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:47,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:47,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:47,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:47,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:47,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:47,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:48,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:52,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:52,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:06:52,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-13 13:06:52,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 13:06:52,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:52,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:06:52,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:52,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 13:06:52,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:52,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:52,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:52,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:52,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:52,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:52,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:52,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:52,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:52,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:06:52,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:06:52,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 581 [2020-10-13 13:06:52,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:52,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:06:52,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:52,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:06:52,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:52,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:52,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:52,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:52,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:52,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:53,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:53,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:53,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:06:53,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-13 13:06:53,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:53,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:06:53,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:53,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:06:53,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:53,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:53,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:53,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:53,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:53,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:53,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:06:53,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:06:53,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:53,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:06:53,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:53,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:06:53,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:53,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:53,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:53,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:53,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:53,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:53,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:53,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:06:53,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:53,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:53,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:53,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:06:53,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:53,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:06:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:53,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:53,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:53,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:53,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:53,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:06:53,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:53,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:53,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:53,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:06:53,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:53,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:06:53,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:53,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:53,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:53,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:53,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:53,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:06:53,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:53,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:53,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:53,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:06:53,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:53,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:53,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:53,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:53,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:53,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:53,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:53,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:53,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:53,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:53,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:53,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:53,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:53,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:53,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:53,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:53,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:53,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:53,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:53,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:53,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:53,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:53,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:53,360 INFO L134 CoverageAnalysis]: Checked inductivity of 7120 backedges. 1791 proven. 1289 refuted. 0 times theorem prover too weak. 4040 trivial. 0 not checked. [2020-10-13 13:06:53,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [322495962] [2020-10-13 13:06:53,361 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:06:53,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-13 13:06:53,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005653850] [2020-10-13 13:06:53,365 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-13 13:06:53,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:06:53,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-13 13:06:53,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2020-10-13 13:06:53,368 INFO L87 Difference]: Start difference. First operand 84 states and 112 transitions. Second operand 18 states. [2020-10-13 13:06:53,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:06:53,973 INFO L93 Difference]: Finished difference Result 179 states and 293 transitions. [2020-10-13 13:06:53,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-13 13:06:53,973 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 354 [2020-10-13 13:06:53,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:06:53,977 INFO L225 Difference]: With dead ends: 179 [2020-10-13 13:06:53,977 INFO L226 Difference]: Without dead ends: 109 [2020-10-13 13:06:53,979 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 99 SyntacticMatches, 9 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=216, Invalid=654, Unknown=0, NotChecked=0, Total=870 [2020-10-13 13:06:53,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-13 13:06:53,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 97. [2020-10-13 13:06:53,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-10-13 13:06:53,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 143 transitions. [2020-10-13 13:06:53,993 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 143 transitions. Word has length 354 [2020-10-13 13:06:53,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:06:53,994 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 143 transitions. [2020-10-13 13:06:53,994 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-13 13:06:53,994 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 143 transitions. [2020-10-13 13:06:53,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-10-13 13:06:53,999 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:06:53,999 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 33, 20, 20, 20, 20, 20, 20, 20, 13, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:06:53,999 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 13:06:53,999 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:06:54,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:06:54,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1425621089, now seen corresponding path program 10 times [2020-10-13 13:06:54,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:06:54,000 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1060646636] [2020-10-13 13:06:54,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:06:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-13 13:06:54,045 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-13 13:06:54,045 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-13 13:06:54,051 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 13:06:54,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 01:06:54 BoogieIcfgContainer [2020-10-13 13:06:54,088 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 13:06:54,090 INFO L168 Benchmark]: Toolchain (without parser) took 167665.08 ms. Allocated memory was 147.8 MB in the beginning and 860.9 MB in the end (delta: 713.0 MB). Free memory was 104.1 MB in the beginning and 669.1 MB in the end (delta: -565.0 MB). Peak memory consumption was 148.1 MB. Max. memory is 7.1 GB. [2020-10-13 13:06:54,091 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 147.8 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-13 13:06:54,092 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.16 ms. Allocated memory is still 147.8 MB. Free memory was 103.7 MB in the beginning and 94.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2020-10-13 13:06:54,093 INFO L168 Benchmark]: Boogie Preprocessor took 28.81 ms. Allocated memory is still 147.8 MB. Free memory was 94.1 MB in the beginning and 92.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-10-13 13:06:54,094 INFO L168 Benchmark]: RCFGBuilder took 324.14 ms. Allocated memory was 147.8 MB in the beginning and 203.4 MB in the end (delta: 55.6 MB). Free memory was 92.7 MB in the beginning and 170.7 MB in the end (delta: -78.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-10-13 13:06:54,095 INFO L168 Benchmark]: TraceAbstraction took 167040.55 ms. Allocated memory was 203.4 MB in the beginning and 860.9 MB in the end (delta: 657.5 MB). Free memory was 170.7 MB in the beginning and 669.1 MB in the end (delta: -498.4 MB). Peak memory consumption was 159.1 MB. Max. memory is 7.1 GB. [2020-10-13 13:06:54,098 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 147.8 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 266.16 ms. Allocated memory is still 147.8 MB. Free memory was 103.7 MB in the beginning and 94.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.81 ms. Allocated memory is still 147.8 MB. Free memory was 94.1 MB in the beginning and 92.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 324.14 ms. Allocated memory was 147.8 MB in the beginning and 203.4 MB in the end (delta: 55.6 MB). Free memory was 92.7 MB in the beginning and 170.7 MB in the end (delta: -78.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 167040.55 ms. Allocated memory was 203.4 MB in the beginning and 860.9 MB in the end (delta: 657.5 MB). Free memory was 170.7 MB in the beginning and 669.1 MB in the end (delta: -498.4 MB). Peak memory consumption was 159.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 27]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L24] int x = 7; [L25] CALL, EXPR fibo(x) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND FALSE !(n == 1) [L11] CALL, EXPR fibo(n-1) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND TRUE n < 1 [L7] return 0; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-1) [L11] CALL, EXPR fibo(n-2) [L6] COND FALSE !(n < 1) [L8] COND TRUE n == 1 [L9] return 1; [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L11] RET, EXPR fibo(n-2) [L11] return fibo(n-1) + fibo(n-2); [L25] RET, EXPR fibo(x) [L25] int result = fibo(x); [L26] COND TRUE result == 13 [L27] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 166.9s, OverallIterations: 14, TraceHistogramMax: 51, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 311 SDtfs, 513 SDslu, 1137 SDs, 0 SdLazy, 2040 SolverSat, 601 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 615 GetRequests, 416 SyntacticMatches, 17 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 68 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 162.2s InterpolantComputationTime, 1648 NumberOfCodeBlocks, 1648 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1349 ConstructedInterpolants, 0 QuantifiedInterpolants, 620116 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 12620/16366 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...