/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_2calls_8-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 13:03:05,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 13:03:05,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 13:03:05,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 13:03:05,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 13:03:05,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 13:03:05,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 13:03:05,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 13:03:05,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 13:03:05,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 13:03:05,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 13:03:05,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 13:03:05,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 13:03:05,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 13:03:05,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 13:03:05,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 13:03:05,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 13:03:05,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 13:03:05,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 13:03:05,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 13:03:05,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 13:03:05,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 13:03:05,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 13:03:05,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 13:03:05,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 13:03:05,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 13:03:05,800 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 13:03:05,801 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 13:03:05,801 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 13:03:05,802 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 13:03:05,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 13:03:05,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 13:03:05,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 13:03:05,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 13:03:05,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 13:03:05,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 13:03:05,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 13:03:05,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 13:03:05,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 13:03:05,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 13:03:05,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 13:03:05,810 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 13:03:05,853 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 13:03:05,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 13:03:05,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 13:03:05,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 13:03:05,857 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 13:03:05,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 13:03:05,858 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 13:03:05,858 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 13:03:05,858 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 13:03:05,858 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 13:03:05,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 13:03:05,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 13:03:05,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 13:03:05,859 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 13:03:05,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 13:03:05,859 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 13:03:05,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 13:03:05,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 13:03:05,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 13:03:05,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 13:03:05,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 13:03:05,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 13:03:05,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 13:03:05,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 13:03:05,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 13:03:05,863 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 13:03:05,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 13:03:05,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 13:03:05,864 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 13:03:05,864 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 13:03:06,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 13:03:06,208 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 13:03:06,211 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 13:03:06,213 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 13:03:06,213 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 13:03:06,214 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_8-2.c [2020-10-13 13:03:06,277 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/902998043/de18860de5714c3eb6aef1b3da56da74/FLAG484608122 [2020-10-13 13:03:06,706 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 13:03:06,706 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_8-2.c [2020-10-13 13:03:06,713 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/902998043/de18860de5714c3eb6aef1b3da56da74/FLAG484608122 [2020-10-13 13:03:07,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/902998043/de18860de5714c3eb6aef1b3da56da74 [2020-10-13 13:03:07,116 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 13:03:07,118 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 13:03:07,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 13:03:07,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 13:03:07,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 13:03:07,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:03:07" (1/1) ... [2020-10-13 13:03:07,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26e5903c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:07, skipping insertion in model container [2020-10-13 13:03:07,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:03:07" (1/1) ... [2020-10-13 13:03:07,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 13:03:07,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 13:03:07,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 13:03:07,405 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 13:03:07,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 13:03:07,442 INFO L208 MainTranslator]: Completed translation [2020-10-13 13:03:07,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:07 WrapperNode [2020-10-13 13:03:07,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 13:03:07,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 13:03:07,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 13:03:07,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 13:03:07,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:07" (1/1) ... [2020-10-13 13:03:07,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:07" (1/1) ... [2020-10-13 13:03:07,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:07" (1/1) ... [2020-10-13 13:03:07,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:07" (1/1) ... [2020-10-13 13:03:07,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:07" (1/1) ... [2020-10-13 13:03:07,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:07" (1/1) ... [2020-10-13 13:03:07,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:07" (1/1) ... [2020-10-13 13:03:07,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 13:03:07,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 13:03:07,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 13:03:07,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 13:03:07,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:07" (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 13:03:07,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 13:03:07,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 13:03:07,660 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-13 13:03:07,660 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-13 13:03:07,660 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 13:03:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 13:03:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 13:03:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-13 13:03:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-13 13:03:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 13:03:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 13:03:07,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 13:03:07,886 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 13:03:07,886 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-13 13:03:07,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:03:07 BoogieIcfgContainer [2020-10-13 13:03:07,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 13:03:07,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 13:03:07,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 13:03:07,898 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 13:03:07,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:03:07" (1/3) ... [2020-10-13 13:03:07,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1118290e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:03:07, skipping insertion in model container [2020-10-13 13:03:07,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:07" (2/3) ... [2020-10-13 13:03:07,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1118290e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:03:07, skipping insertion in model container [2020-10-13 13:03:07,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:03:07" (3/3) ... [2020-10-13 13:03:07,903 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_8-2.c [2020-10-13 13:03:07,916 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 13:03:07,924 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 13:03:07,942 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 13:03:07,990 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 13:03:07,990 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 13:03:07,991 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 13:03:07,991 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 13:03:07,991 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 13:03:07,991 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 13:03:07,991 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 13:03:07,991 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 13:03:08,011 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-10-13 13:03:08,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-13 13:03:08,018 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:03:08,019 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:03:08,020 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:03:08,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:03:08,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-10-13 13:03:08,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:03:08,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [879504453] [2020-10-13 13:03:08,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:03:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:08,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:08,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:08,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:08,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:03:08,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:03:08,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-13 13:03:08,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:08,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:03:08,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 13:03:08,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:03:08,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 13:03:08,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:03:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:08,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:08,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:08,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:03:08,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:08,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:03:08,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:08,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:08,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:08,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:08,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 13:03:08,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:03:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:08,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:08,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:08,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:03:08,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:08,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 13:03:08,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:08,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:03:08,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:08,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:03:08,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:03:08,416 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 13:03:08,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [879504453] [2020-10-13 13:03:08,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:03:08,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 13:03:08,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276354701] [2020-10-13 13:03:08,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 13:03:08,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:03:08,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 13:03:08,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 13:03:08,442 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-10-13 13:03:08,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:03:08,504 INFO L93 Difference]: Finished difference Result 47 states and 56 transitions. [2020-10-13 13:03:08,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 13:03:08,506 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-13 13:03:08,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:03:08,518 INFO L225 Difference]: With dead ends: 47 [2020-10-13 13:03:08,519 INFO L226 Difference]: Without dead ends: 30 [2020-10-13 13:03:08,523 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 13:03:08,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-13 13:03:08,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-13 13:03:08,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-13 13:03:08,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-10-13 13:03:08,574 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-10-13 13:03:08,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:03:08,575 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-10-13 13:03:08,575 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 13:03:08,575 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-10-13 13:03:08,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-13 13:03:08,577 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:03:08,578 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:03:08,578 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 13:03:08,579 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:03:08,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:03:08,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-10-13 13:03:08,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:03:08,580 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1393816353] [2020-10-13 13:03:08,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:03:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:08,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:08,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:08,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:08,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 13:03:08,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:03:08,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-13 13:03:08,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:08,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:03:08,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 13:03:08,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:03:08,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:03:08,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:03:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:08,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:08,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:08,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:03:08,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:08,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:03:08,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:08,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:08,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:08,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:08,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:03:08,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:03:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:08,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:08,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:08,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:08,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:08,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 13:03:08,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:08,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:03:08,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:08,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:03:08,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:08,844 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 13:03:08,844 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1393816353] [2020-10-13 13:03:08,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:03:08,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 13:03:08,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721541589] [2020-10-13 13:03:08,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 13:03:08,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:03:08,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 13:03:08,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 13:03:08,848 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-10-13 13:03:08,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:03:08,873 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-10-13 13:03:08,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 13:03:08,874 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-13 13:03:08,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:03:08,876 INFO L225 Difference]: With dead ends: 36 [2020-10-13 13:03:08,876 INFO L226 Difference]: Without dead ends: 32 [2020-10-13 13:03:08,877 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 13:03:08,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-13 13:03:08,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-10-13 13:03:08,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-13 13:03:08,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-10-13 13:03:08,886 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-10-13 13:03:08,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:03:08,887 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-10-13 13:03:08,887 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 13:03:08,887 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-10-13 13:03:08,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-13 13:03:08,889 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:03:08,889 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:03:08,889 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 13:03:08,889 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:03:08,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:03:08,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-10-13 13:03:08,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:03:08,891 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [513120262] [2020-10-13 13:03:08,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:03:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:08,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:08,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:08,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:09,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:10,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:10,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 13:03:10,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 13:03:10,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1138 [2020-10-13 13:03:10,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:10,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:03:10,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 13:03:10,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:03:10,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:03:10,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:03:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:10,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:10,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:10,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:03:10,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:10,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:03:10,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:10,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:10,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:10,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:10,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:03:10,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:03:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:10,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:10,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:10,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 13:03:10,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:10,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 13:03:10,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:10,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:03:10,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 13:03:10,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:03:10,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:03:10,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:10,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:10,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:10,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:03:10,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:10,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:03:10,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:10,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:03:10,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:03:10,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:03:10,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:03:10,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 13:03:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:10,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:10,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:10,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:03:10,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:10,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:03:10,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:10,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:10,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:03:10,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:10,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:03:10,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 13:03:10,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [513120262] [2020-10-13 13:03:10,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:03:10,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 13:03:10,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475891073] [2020-10-13 13:03:10,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 13:03:10,234 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:03:10,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 13:03:10,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-13 13:03:10,237 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 6 states. [2020-10-13 13:03:10,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:03:10,368 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-10-13 13:03:10,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 13:03:10,369 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-10-13 13:03:10,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:03:10,371 INFO L225 Difference]: With dead ends: 58 [2020-10-13 13:03:10,371 INFO L226 Difference]: Without dead ends: 34 [2020-10-13 13:03:10,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 13:03:10,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-13 13:03:10,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-10-13 13:03:10,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-13 13:03:10,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-13 13:03:10,390 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-10-13 13:03:10,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:03:10,391 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-13 13:03:10,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 13:03:10,392 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-13 13:03:10,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-13 13:03:10,393 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:03:10,394 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:03:10,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 13:03:10,395 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:03:10,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:03:10,395 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-10-13 13:03:10,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:03:10,397 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1064992056] [2020-10-13 13:03:10,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:03:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:10,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:10,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:10,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:10,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:10,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 13:03:10,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:03:10,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 415 [2020-10-13 13:03:10,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:10,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:03:10,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:03:10,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:03:10,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:10,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:03:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:10,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:10,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:10,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:03:10,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:10,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:03:10,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:10,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:10,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:10,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:10,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:03:10,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:03:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:10,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:10,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:10,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:10,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:03:10,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:03:10,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-13 13:03:10,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:10,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:03:10,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:03:10,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:03:10,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:11,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:11,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:11,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:11,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:11,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:11,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:03:11,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:11,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:03:11,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:11,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:03:11,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:11,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:03:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:11,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:11,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:11,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:03:11,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:11,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 13:03:11,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:11,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:03:11,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:11,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:03:11,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:03:11,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 13:03:11,071 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1064992056] [2020-10-13 13:03:11,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:03:11,071 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 13:03:11,071 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091975552] [2020-10-13 13:03:11,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 13:03:11,074 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:03:11,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 13:03:11,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 13:03:11,075 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 7 states. [2020-10-13 13:03:11,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:03:11,205 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2020-10-13 13:03:11,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 13:03:11,206 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-10-13 13:03:11,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:03:11,209 INFO L225 Difference]: With dead ends: 39 [2020-10-13 13:03:11,209 INFO L226 Difference]: Without dead ends: 35 [2020-10-13 13:03:11,210 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-13 13:03:11,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-13 13:03:11,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2020-10-13 13:03:11,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-13 13:03:11,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2020-10-13 13:03:11,223 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 40 transitions. Word has length 27 [2020-10-13 13:03:11,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:03:11,223 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 40 transitions. [2020-10-13 13:03:11,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 13:03:11,223 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2020-10-13 13:03:11,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-13 13:03:11,225 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:03:11,225 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:03:11,225 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 13:03:11,225 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:03:11,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:03:11,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1725129826, now seen corresponding path program 1 times [2020-10-13 13:03:11,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:03:11,226 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [185470884] [2020-10-13 13:03:11,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:03:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:11,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:11,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:11,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:11,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:11,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:11,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:11,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 13:03:11,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 13:03:11,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 438 [2020-10-13 13:03:11,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:11,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:03:11,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 13:03:11,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:03:11,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:11,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:03:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:11,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:11,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:11,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:03:11,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:11,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:03:11,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:11,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:11,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:11,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:11,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:11,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:03:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:11,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:11,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:11,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:11,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 13:03:11,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:03:11,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 13:03:11,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:11,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:03:11,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:03:11,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:03:11,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:11,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:11,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:11,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:11,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:11,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:11,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:03:11,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:11,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:03:11,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:11,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:03:11,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:11,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:03:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:11,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:11,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:11,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:11,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:11,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:03:11,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 13:03:11,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:11,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:03:11,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:03:11,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:03:11,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:11,799 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-13 13:03:11,800 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [185470884] [2020-10-13 13:03:11,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:03:11,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 13:03:11,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774540865] [2020-10-13 13:03:11,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 13:03:11,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:03:11,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 13:03:11,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 13:03:11,802 INFO L87 Difference]: Start difference. First operand 33 states and 40 transitions. Second operand 5 states. [2020-10-13 13:03:11,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:03:11,888 INFO L93 Difference]: Finished difference Result 70 states and 98 transitions. [2020-10-13 13:03:11,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 13:03:11,888 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-10-13 13:03:11,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:03:11,890 INFO L225 Difference]: With dead ends: 70 [2020-10-13 13:03:11,891 INFO L226 Difference]: Without dead ends: 43 [2020-10-13 13:03:11,892 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 13:03:11,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-13 13:03:11,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 37. [2020-10-13 13:03:11,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-13 13:03:11,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-10-13 13:03:11,902 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 28 [2020-10-13 13:03:11,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:03:11,903 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-10-13 13:03:11,903 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 13:03:11,903 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-10-13 13:03:11,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-13 13:03:11,905 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:03:11,905 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:03:11,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 13:03:11,905 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:03:11,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:03:11,906 INFO L82 PathProgramCache]: Analyzing trace with hash 482300055, now seen corresponding path program 1 times [2020-10-13 13:03:11,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:03:11,906 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [439902250] [2020-10-13 13:03:11,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:03:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:11,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:11,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:11,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:11,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:12,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:12,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:16,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:16,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-13 13:03:16,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:03:16,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4499 [2020-10-13 13:03:16,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:16,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:03:16,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 13:03:16,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:03:16,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:16,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:03:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:16,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:16,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:16,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:03:16,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:16,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:03:16,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:16,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:16,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:16,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:16,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:16,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:03:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:16,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:16,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:16,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:16,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-13 13:03:16,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:03:16,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-13 13:03:16,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:16,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:03:16,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 13:03:16,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:03:16,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:16,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:16,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:16,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:16,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:16,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:16,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:03:16,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:16,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:16,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:16,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:16,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:16,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:03:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:16,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:16,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:16,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 13:03:16,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:16,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 13:03:16,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:16,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:03:16,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 13:03:16,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:03:16,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:16,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:16,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:16,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:16,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:03:16,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:16,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:03:16,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:16,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:03:16,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:03:16,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:03:16,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:16,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 13:03:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:16,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:16,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:16,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:03:16,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:16,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:03:16,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:16,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:16,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:03:16,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:16,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:16,627 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-13 13:03:16,628 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [439902250] [2020-10-13 13:03:16,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:03:16,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 13:03:16,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388676462] [2020-10-13 13:03:16,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 13:03:16,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:03:16,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 13:03:16,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-13 13:03:16,630 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 6 states. [2020-10-13 13:03:16,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:03:16,707 INFO L93 Difference]: Finished difference Result 70 states and 98 transitions. [2020-10-13 13:03:16,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 13:03:16,708 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2020-10-13 13:03:16,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:03:16,709 INFO L225 Difference]: With dead ends: 70 [2020-10-13 13:03:16,709 INFO L226 Difference]: Without dead ends: 39 [2020-10-13 13:03:16,711 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 13:03:16,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-13 13:03:16,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-10-13 13:03:16,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-13 13:03:16,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 49 transitions. [2020-10-13 13:03:16,720 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 49 transitions. Word has length 40 [2020-10-13 13:03:16,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:03:16,721 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 49 transitions. [2020-10-13 13:03:16,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 13:03:16,721 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2020-10-13 13:03:16,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-13 13:03:16,723 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:03:16,723 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:03:16,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 13:03:16,723 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:03:16,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:03:16,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1870215323, now seen corresponding path program 1 times [2020-10-13 13:03:16,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:03:16,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1586915271] [2020-10-13 13:03:16,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:03:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:16,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:16,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:16,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:16,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:16,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:16,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:17,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:18,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:18,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 13:03:18,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 13:03:18,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2240 [2020-10-13 13:03:18,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:18,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:03:18,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:03:18,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:03:18,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:18,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:03:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:18,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:18,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:18,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:03:18,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:18,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:03:18,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:18,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:18,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:18,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:18,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:18,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:03:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:18,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:18,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:19,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:19,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:19,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:19,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:19,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:19,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:03:19,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:03:19,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 462 [2020-10-13 13:03:19,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:19,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:03:19,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:03:19,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:03:19,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:19,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:19,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:19,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:19,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:19,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:19,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:03:19,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:19,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:03:19,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:19,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:03:19,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:19,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:03:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:19,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:19,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:19,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:19,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:19,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:03:19,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:03:19,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-13 13:03:19,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:19,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:03:19,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:03:19,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:03:19,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:19,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:19,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:19,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:19,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:19,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:19,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:03:19,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:03:19,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:19,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:03:19,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:19,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:03:19,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:03:19,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:03:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:19,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:19,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:19,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:03:19,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:19,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:03:19,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:19,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:03:19,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:19,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:03:19,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:19,642 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-13 13:03:19,643 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1586915271] [2020-10-13 13:03:19,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:03:19,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 13:03:19,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34195958] [2020-10-13 13:03:19,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 13:03:19,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:03:19,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 13:03:19,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-13 13:03:19,645 INFO L87 Difference]: Start difference. First operand 39 states and 49 transitions. Second operand 10 states. [2020-10-13 13:03:19,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:03:19,891 INFO L93 Difference]: Finished difference Result 85 states and 126 transitions. [2020-10-13 13:03:19,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 13:03:19,892 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 41 [2020-10-13 13:03:19,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:03:19,894 INFO L225 Difference]: With dead ends: 85 [2020-10-13 13:03:19,894 INFO L226 Difference]: Without dead ends: 52 [2020-10-13 13:03:19,895 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2020-10-13 13:03:19,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-10-13 13:03:19,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 47. [2020-10-13 13:03:19,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-10-13 13:03:19,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 63 transitions. [2020-10-13 13:03:19,906 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 63 transitions. Word has length 41 [2020-10-13 13:03:19,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:03:19,907 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 63 transitions. [2020-10-13 13:03:19,907 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 13:03:19,907 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2020-10-13 13:03:19,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-13 13:03:19,909 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:03:19,909 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:03:19,910 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 13:03:19,910 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:03:19,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:03:19,910 INFO L82 PathProgramCache]: Analyzing trace with hash 208191613, now seen corresponding path program 2 times [2020-10-13 13:03:19,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:03:19,911 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [849337914] [2020-10-13 13:03:19,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:03:19,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:19,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:19,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:19,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:20,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:20,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:20,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 13:03:20,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 13:03:20,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 969 [2020-10-13 13:03:20,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:20,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:03:20,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:03:20,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 13:03:20,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:20,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:03:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:20,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:20,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:20,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:03:20,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:20,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:03:20,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:20,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:20,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:20,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:20,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:20,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:03:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:20,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:20,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:20,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:21,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:21,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:03:21,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:03:21,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 585 [2020-10-13 13:03:21,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:21,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:03:21,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:03:21,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 13:03:21,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:21,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:21,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:21,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:21,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:21,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:03:21,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:03:21,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-13 13:03:21,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:21,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:03:21,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:21,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:03:21,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:21,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:21,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:21,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:21,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:21,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:21,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 13:03:21,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:21,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:03:21,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:21,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:03:21,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:21,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:03:21,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:21,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:21,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:21,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:03:21,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:21,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:03:21,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:21,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:03:21,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:21,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:03:21,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:21,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:03:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:21,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:21,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:21,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:21,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:21,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:03:21,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:21,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:03:21,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:21,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:03:21,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:21,706 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-13 13:03:21,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [849337914] [2020-10-13 13:03:21,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:03:21,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 13:03:21,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095399734] [2020-10-13 13:03:21,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 13:03:21,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:03:21,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 13:03:21,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-13 13:03:21,709 INFO L87 Difference]: Start difference. First operand 47 states and 63 transitions. Second operand 9 states. [2020-10-13 13:03:21,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:03:21,898 INFO L93 Difference]: Finished difference Result 90 states and 138 transitions. [2020-10-13 13:03:21,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 13:03:21,899 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 41 [2020-10-13 13:03:21,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:03:21,902 INFO L225 Difference]: With dead ends: 90 [2020-10-13 13:03:21,902 INFO L226 Difference]: Without dead ends: 86 [2020-10-13 13:03:21,903 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-13 13:03:21,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-10-13 13:03:21,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 69. [2020-10-13 13:03:21,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-13 13:03:21,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 104 transitions. [2020-10-13 13:03:21,918 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 104 transitions. Word has length 41 [2020-10-13 13:03:21,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:03:21,919 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 104 transitions. [2020-10-13 13:03:21,919 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 13:03:21,919 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 104 transitions. [2020-10-13 13:03:21,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-13 13:03:21,921 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:03:21,922 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:03:21,922 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 13:03:21,922 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:03:21,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:03:21,923 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-10-13 13:03:21,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:03:21,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1716616181] [2020-10-13 13:03:21,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:03:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:21,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:21,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:21,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:22,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:22,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:22,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:22,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:22,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:22,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:22,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:22,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:22,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:22,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:26,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:26,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-13 13:03:26,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-13 13:03:26,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-13 13:03:26,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:26,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:03:26,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:03:26,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:03:26,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-10-13 13:03:26,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:03:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:26,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:26,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:26,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:03:26,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:26,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:03:26,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:26,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:26,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:26,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:26,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:03:26,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:03:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:26,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:27,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:27,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:27,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:27,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:27,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:27,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:27,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:27,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:28,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:28,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:28,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:30,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:31,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:31,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-13 13:03:31,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-13 13:03:31,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 13:03:31,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:31,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:03:31,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 13:03:31,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 13:03:31,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:32,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:32,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:32,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:32,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:32,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:32,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:32,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-13 13:03:32,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 13:03:32,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 332 [2020-10-13 13:03:32,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:32,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:03:32,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:03:32,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 13:03:32,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:32,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:32,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:32,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:32,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:32,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:32,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:03:32,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:03:32,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-13 13:03:32,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:32,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:03:32,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:32,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:03:32,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:32,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:32,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:32,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:32,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:32,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:32,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:03:32,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 13:03:32,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:32,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:03:32,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:32,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:03:32,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:32,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:03:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:32,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:32,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:32,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:03:32,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:32,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:03:32,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:32,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:03:32,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:32,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:03:32,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:32,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:03:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:32,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:32,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:32,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:03:32,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:32,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:03:32,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:32,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:03:32,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:03:32,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:03:32,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:32,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 13:03:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:32,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:32,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:32,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:32,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:32,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:03:32,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:32,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:32,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 13:03:32,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:32,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:03:32,555 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-13 13:03:32,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1716616181] [2020-10-13 13:03:32,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:03:32,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 13:03:32,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284056403] [2020-10-13 13:03:32,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 13:03:32,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:03:32,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 13:03:32,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-13 13:03:32,566 INFO L87 Difference]: Start difference. First operand 69 states and 104 transitions. Second operand 10 states. [2020-10-13 13:03:32,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:03:32,828 INFO L93 Difference]: Finished difference Result 168 states and 330 transitions. [2020-10-13 13:03:32,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 13:03:32,829 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2020-10-13 13:03:32,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:03:32,831 INFO L225 Difference]: With dead ends: 168 [2020-10-13 13:03:32,831 INFO L226 Difference]: Without dead ends: 105 [2020-10-13 13:03:32,833 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2020-10-13 13:03:32,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-10-13 13:03:32,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 102. [2020-10-13 13:03:32,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-13 13:03:32,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 183 transitions. [2020-10-13 13:03:32,851 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 183 transitions. Word has length 54 [2020-10-13 13:03:32,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:03:32,851 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 183 transitions. [2020-10-13 13:03:32,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 13:03:32,852 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 183 transitions. [2020-10-13 13:03:32,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-13 13:03:32,854 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:03:32,854 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:03:32,854 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 13:03:32,854 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:03:32,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:03:32,855 INFO L82 PathProgramCache]: Analyzing trace with hash -242988780, now seen corresponding path program 1 times [2020-10-13 13:03:32,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:03:32,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [385040478] [2020-10-13 13:03:32,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:03:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:32,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:32,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:32,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:32,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:32,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:32,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:33,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:33,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:34,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:34,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:37,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:37,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 13:03:37,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 13:03:37,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-13 13:03:37,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:37,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:03:37,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:03:37,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:03:37,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:37,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:03:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:37,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:37,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:37,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:03:37,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:37,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:03:37,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:37,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:37,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:37,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:37,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:37,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:03:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:37,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:37,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:37,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:37,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:37,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:38,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:38,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:38,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:38,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:39,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:39,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 13:03:39,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 13:03:39,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1429 [2020-10-13 13:03:39,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:39,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:03:39,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:03:39,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 13:03:39,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:39,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:39,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:39,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:39,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:39,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:39,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:39,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:39,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:39,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:03:39,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:03:39,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 649 [2020-10-13 13:03:39,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:39,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:03:39,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:39,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:03:39,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:03:39,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:40,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:40,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:40,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:40,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:40,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:03:40,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:03:40,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-13 13:03:40,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:40,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:03:40,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:40,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:03:40,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:40,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:40,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:40,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:40,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:40,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:40,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:03:40,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:03:40,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:40,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:03:40,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:40,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:03:40,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:40,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:03:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:40,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:40,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:40,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:03:40,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:40,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:03:40,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:40,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:03:40,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:40,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:03:40,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:40,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:03:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:40,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:40,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:40,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:40,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:40,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:03:40,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:40,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:03:40,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:40,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:03:40,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:40,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:03:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:40,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:40,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:40,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:40,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:40,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:03:40,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:40,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:03:40,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:03:40,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:03:40,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:40,137 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-13 13:03:40,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [385040478] [2020-10-13 13:03:40,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:03:40,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 13:03:40,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139987049] [2020-10-13 13:03:40,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 13:03:40,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:03:40,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 13:03:40,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-13 13:03:40,139 INFO L87 Difference]: Start difference. First operand 102 states and 183 transitions. Second operand 11 states. [2020-10-13 13:03:40,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:03:40,379 INFO L93 Difference]: Finished difference Result 220 states and 489 transitions. [2020-10-13 13:03:40,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 13:03:40,379 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 55 [2020-10-13 13:03:40,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:03:40,382 INFO L225 Difference]: With dead ends: 220 [2020-10-13 13:03:40,383 INFO L226 Difference]: Without dead ends: 128 [2020-10-13 13:03:40,384 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2020-10-13 13:03:40,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-10-13 13:03:40,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 113. [2020-10-13 13:03:40,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-10-13 13:03:40,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 203 transitions. [2020-10-13 13:03:40,403 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 203 transitions. Word has length 55 [2020-10-13 13:03:40,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:03:40,403 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 203 transitions. [2020-10-13 13:03:40,403 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 13:03:40,404 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 203 transitions. [2020-10-13 13:03:40,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-13 13:03:40,406 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:03:40,406 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:03:40,406 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 13:03:40,407 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:03:40,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:03:40,407 INFO L82 PathProgramCache]: Analyzing trace with hash 1829846997, now seen corresponding path program 1 times [2020-10-13 13:03:40,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:03:40,407 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1318606725] [2020-10-13 13:03:40,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:03:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:40,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:40,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:40,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:40,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:40,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:40,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:40,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:40,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:41,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:41,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:41,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:41,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:41,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:42,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:42,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:42,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:42,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:44,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:44,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:44,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:45,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:45,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-13 13:03:45,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-13 13:03:45,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 13:03:45,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:45,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:03:45,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-13 13:03:45,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:03:45,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:45,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:03:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:45,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:45,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:45,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:03:45,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:45,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:03:45,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:45,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:45,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:45,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:45,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:45,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:03:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:45,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:45,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:45,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:45,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:45,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:45,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:45,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:45,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:45,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:45,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:45,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:45,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:46,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:46,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:46,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:46,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:46,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:48,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:48,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:48,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:50,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:50,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-13 13:03:50,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-13 13:03:50,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 13:03:50,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:50,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:03:50,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-13 13:03:50,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:03:50,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:50,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:50,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:50,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:50,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:03:50,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:50,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:03:50,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:50,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:50,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:50,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:50,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:50,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:50,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:50,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:50,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:03:50,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:50,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:03:50,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:50,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:50,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:50,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:50,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:50,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:50,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:50,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:50,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:50,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:50,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:03:50,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:50,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:50,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:50,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:50,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:50,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:03:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:50,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:50,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:50,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:03:50,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:50,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:03:50,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:50,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:50,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:50,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:50,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:50,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:03:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:50,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:50,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:50,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:50,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:50,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:03:50,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:50,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:50,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:50,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:50,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:50,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:03:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:50,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:50,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:50,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:50,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:50,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:50,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:50,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:50,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:52,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:52,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-13 13:03:52,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 13:03:52,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1567 [2020-10-13 13:03:52,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:52,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:03:52,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:03:52,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:03:52,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:52,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:52,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:52,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:52,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:52,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:52,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:03:52,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:52,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:03:52,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:52,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:03:52,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:52,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:03:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:52,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:52,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:52,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:52,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:52,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:52,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:52,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:52,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:52,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:52,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-13 13:03:52,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 13:03:52,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 514 [2020-10-13 13:03:52,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:52,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:03:52,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:03:52,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 13:03:52,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:52,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:52,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:52,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:52,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:52,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:52,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:03:52,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:03:52,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 13:03:52,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:52,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:03:52,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:52,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:03:52,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:52,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:52,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:52,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:52,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:52,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:52,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:03:52,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:52,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:03:52,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:52,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:03:52,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:52,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:03:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:52,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:52,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:52,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:03:52,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:52,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:03:52,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:52,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:03:52,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:52,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:03:52,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:52,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:03:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:52,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:52,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:52,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:03:52,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:52,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:03:52,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:52,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:03:52,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:03:52,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:03:52,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:52,773 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 78 proven. 14 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-10-13 13:03:52,773 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1318606725] [2020-10-13 13:03:52,773 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:03:52,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 13:03:52,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881530278] [2020-10-13 13:03:52,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 13:03:52,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:03:52,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 13:03:52,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-10-13 13:03:52,775 INFO L87 Difference]: Start difference. First operand 113 states and 203 transitions. Second operand 11 states. [2020-10-13 13:03:53,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:03:53,090 INFO L93 Difference]: Finished difference Result 223 states and 479 transitions. [2020-10-13 13:03:53,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 13:03:53,093 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 95 [2020-10-13 13:03:53,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:03:53,095 INFO L225 Difference]: With dead ends: 223 [2020-10-13 13:03:53,095 INFO L226 Difference]: Without dead ends: 120 [2020-10-13 13:03:53,101 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2020-10-13 13:03:53,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-13 13:03:53,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 117. [2020-10-13 13:03:53,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-10-13 13:03:53,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 202 transitions. [2020-10-13 13:03:53,124 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 202 transitions. Word has length 95 [2020-10-13 13:03:53,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:03:53,125 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 202 transitions. [2020-10-13 13:03:53,125 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 13:03:53,125 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 202 transitions. [2020-10-13 13:03:53,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-13 13:03:53,127 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:03:53,127 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:03:53,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 13:03:53,128 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:03:53,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:03:53,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1362646544, now seen corresponding path program 2 times [2020-10-13 13:03:53,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:03:53,129 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2124569334] [2020-10-13 13:03:53,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:03:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:53,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:53,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:53,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:53,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:53,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:53,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:53,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:53,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:55,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:55,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:55,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:55,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:55,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:58,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:58,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 13:03:58,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-13 13:03:58,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 13:03:58,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:58,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:03:58,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-13 13:03:58,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:03:58,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:58,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:03:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:58,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:58,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:58,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:03:58,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:58,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:03:58,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:58,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:58,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:58,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:58,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:58,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:03:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:58,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:58,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:58,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:58,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:58,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:58,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:58,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:58,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:58,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:58,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:58,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:58,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:03,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:03,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-13 13:04:03,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-13 13:04:03,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 13:04:03,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:03,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:04:03,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-13 13:04:03,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:04:03,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:03,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:03,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:03,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:03,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:04:03,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:03,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:04:03,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:03,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:03,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:03,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:03,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:03,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:03,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:03,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:03,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:04:03,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:03,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:04:03,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:03,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:03,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:03,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:03,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:03,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:03,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:03,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:03,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:03,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:03,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:04:03,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:03,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:03,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:03,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:03,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:03,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:03,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:03,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:03,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:03,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:03,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:04:03,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:03,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:03,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:03,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:03,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:03,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:04:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:03,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:03,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:03,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:03,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:03,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:04:03,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:03,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:03,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:03,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:03,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:03,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:04:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:03,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:03,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:03,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:03,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:03,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:04:03,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:04:03,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-13 13:04:03,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:03,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:04:03,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:04:03,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:04:03,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:03,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:03,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:03,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:03,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:03,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:03,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:04:03,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:03,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:04:03,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:03,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:04:03,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:03,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:03,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:03,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:03,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:03,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:03,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:04:03,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:04:03,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 13:04:03,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:03,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:04:03,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:04:03,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:04:03,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:03,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:03,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:03,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:03,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:03,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:03,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:04:03,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:04:03,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:03,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:04:03,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:03,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:04:03,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:03,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:03,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:03,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:03,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:03,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:03,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:04:03,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:03,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:04:03,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:03,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:04:03,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:03,375 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 63 proven. 7 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-10-13 13:04:03,375 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2124569334] [2020-10-13 13:04:03,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:04:03,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 13:04:03,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095358224] [2020-10-13 13:04:03,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 13:04:03,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:04:03,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 13:04:03,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-13 13:04:03,377 INFO L87 Difference]: Start difference. First operand 117 states and 202 transitions. Second operand 9 states. [2020-10-13 13:04:03,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:04:03,572 INFO L93 Difference]: Finished difference Result 231 states and 435 transitions. [2020-10-13 13:04:03,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 13:04:03,573 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2020-10-13 13:04:03,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:04:03,575 INFO L225 Difference]: With dead ends: 231 [2020-10-13 13:04:03,575 INFO L226 Difference]: Without dead ends: 124 [2020-10-13 13:04:03,577 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2020-10-13 13:04:03,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-10-13 13:04:03,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 109. [2020-10-13 13:04:03,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-10-13 13:04:03,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 177 transitions. [2020-10-13 13:04:03,589 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 177 transitions. Word has length 82 [2020-10-13 13:04:03,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:04:03,590 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 177 transitions. [2020-10-13 13:04:03,590 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 13:04:03,590 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 177 transitions. [2020-10-13 13:04:03,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-13 13:04:03,592 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:04:03,592 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:04:03,592 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 13:04:03,592 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:04:03,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:04:03,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1156896337, now seen corresponding path program 2 times [2020-10-13 13:04:03,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:04:03,593 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [313503936] [2020-10-13 13:04:03,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:04:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:03,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:03,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:03,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:03,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:03,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:07,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:08,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:08,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-13 13:04:08,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:04:08,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-13 13:04:08,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:08,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:04:08,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:04:08,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:04:08,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:08,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:04:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:08,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:08,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:08,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:04:08,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:08,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:04:08,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:08,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:08,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:08,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:08,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:08,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:04:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:08,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:08,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:08,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:08,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:08,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:13,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:13,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:04:13,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 13:04:13,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-13 13:04:13,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:13,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:04:13,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:04:13,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:04:13,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:13,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:13,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:13,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:13,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:13,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:13,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:04:13,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:04:13,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 322 [2020-10-13 13:04:13,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:13,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:04:13,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:13,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:04:13,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:14,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:14,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:14,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:14,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:14,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:04:14,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:04:14,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 13:04:14,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:14,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:04:14,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:14,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:04:14,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:14,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:14,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:14,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:14,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:14,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:14,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:04:14,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:14,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:04:14,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:14,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:04:14,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:14,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:14,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:14,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:14,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:14,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:14,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:04:14,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:14,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:04:14,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:14,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:04:14,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:14,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:04:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:14,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:14,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:14,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:14,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:14,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:04:14,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:14,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:04:14,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:14,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:04:14,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:14,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:04:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:14,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:14,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:14,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:04:14,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:14,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:04:14,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:14,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:04:14,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:14,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:04:14,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:14,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:14,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:14,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:14,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:14,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:14,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:04:14,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:14,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:14,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:14,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:14,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:14,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:14,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:14,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:14,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:14,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:14,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:04:14,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:14,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:14,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:14,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:14,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:14,140 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 15 proven. 36 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-13 13:04:14,140 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [313503936] [2020-10-13 13:04:14,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:04:14,141 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 13:04:14,141 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767513078] [2020-10-13 13:04:14,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 13:04:14,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:04:14,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 13:04:14,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-13 13:04:14,142 INFO L87 Difference]: Start difference. First operand 109 states and 177 transitions. Second operand 11 states. [2020-10-13 13:04:14,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:04:14,433 INFO L93 Difference]: Finished difference Result 274 states and 541 transitions. [2020-10-13 13:04:14,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 13:04:14,436 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 68 [2020-10-13 13:04:14,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:04:14,445 INFO L225 Difference]: With dead ends: 274 [2020-10-13 13:04:14,445 INFO L226 Difference]: Without dead ends: 161 [2020-10-13 13:04:14,452 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2020-10-13 13:04:14,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-10-13 13:04:14,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 141. [2020-10-13 13:04:14,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-10-13 13:04:14,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 233 transitions. [2020-10-13 13:04:14,486 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 233 transitions. Word has length 68 [2020-10-13 13:04:14,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:04:14,486 INFO L479 AbstractCegarLoop]: Abstraction has 141 states and 233 transitions. [2020-10-13 13:04:14,486 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 13:04:14,486 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 233 transitions. [2020-10-13 13:04:14,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-13 13:04:14,491 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:04:14,491 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:04:14,492 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 13:04:14,495 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:04:14,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:04:14,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1303963797, now seen corresponding path program 3 times [2020-10-13 13:04:14,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:04:14,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2128447334] [2020-10-13 13:04:14,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:04:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:14,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:14,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:14,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:14,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:14,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:14,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:14,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:14,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:14,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:15,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:15,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:15,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:15,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:15,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:15,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:15,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:15,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:15,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:15,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:17,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:17,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:17,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:17,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:19,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:19,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-13 13:04:19,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 34 [2020-10-13 13:04:19,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-13 13:04:19,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:19,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:04:19,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:04:19,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 13:04:19,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:19,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:04:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:19,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:19,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:19,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:04:19,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:19,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:04:19,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:19,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:19,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:19,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:19,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:19,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:04:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:19,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:19,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:19,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:19,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:19,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:19,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:19,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:20,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:20,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:20,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:20,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:20,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:20,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:20,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:20,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:20,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:21,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:21,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:21,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:21,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:22,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:24,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:24,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-13 13:04:24,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-13 13:04:24,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 13:04:24,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:24,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:04:24,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-13 13:04:24,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 13:04:24,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:24,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:24,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:24,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:24,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:24,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:24,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:24,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:25,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 13:04:25,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:04:25,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 641 [2020-10-13 13:04:25,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:25,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:25,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:25,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:25,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:25,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:25,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:25,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:04:25,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:25,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:04:25,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:25,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:25,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:25,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:25,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:25,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:25,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:25,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:04:25,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:25,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:04:25,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:25,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:25,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:25,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:25,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:25,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:25,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:25,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:25,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:25,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:04:25,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:25,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:25,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:25,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:25,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:25,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:25,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:25,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:25,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:25,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:04:25,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:25,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:25,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:25,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:25,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:04:25,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:04:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:25,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:25,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:25,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:25,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:04:25,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:25,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:25,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:25,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:25,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 13:04:25,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:04:25,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:25,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:25,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:25,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:25,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:04:25,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:25,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:25,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:25,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:25,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:25,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 13:04:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:25,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:27,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:27,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:27,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:27,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:27,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:30,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:30,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-13 13:04:30,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-13 13:04:30,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 13:04:30,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:30,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:04:30,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 13:04:30,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 13:04:30,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:30,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:30,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:30,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:30,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:30,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:30,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:30,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:30,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:30,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:30,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:32,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:32,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-13 13:04:32,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 13:04:32,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2054 [2020-10-13 13:04:32,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:32,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:04:32,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:04:32,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 13:04:32,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:32,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:32,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:32,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:32,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:32,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:04:32,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:04:32,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 13:04:32,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:32,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:04:32,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:32,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:04:32,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:32,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:32,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:32,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:32,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:32,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:32,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:04:32,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:32,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:04:32,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:32,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:04:32,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:32,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:32,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:32,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:32,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:32,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:32,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:04:32,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:32,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:04:32,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:32,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:04:32,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:32,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:04:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:32,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:32,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:32,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:32,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:32,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:04:32,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:04:32,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 13:04:32,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:32,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:04:32,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:04:32,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:04:32,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:32,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:32,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:32,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:32,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:32,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:32,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:04:32,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:32,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:04:32,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:32,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:04:32,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:32,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:32,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:32,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:32,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:32,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:32,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:04:32,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:32,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:04:32,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:32,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:04:32,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:32,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 13:04:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:32,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:32,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:32,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:32,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:32,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:04:32,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:32,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:32,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:04:32,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:32,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:32,588 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 127 proven. 23 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2020-10-13 13:04:32,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2128447334] [2020-10-13 13:04:32,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:04:32,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 13:04:32,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38374666] [2020-10-13 13:04:32,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 13:04:32,589 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:04:32,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 13:04:32,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-10-13 13:04:32,590 INFO L87 Difference]: Start difference. First operand 141 states and 233 transitions. Second operand 11 states. [2020-10-13 13:04:32,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:04:32,914 INFO L93 Difference]: Finished difference Result 250 states and 434 transitions. [2020-10-13 13:04:32,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 13:04:32,914 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 122 [2020-10-13 13:04:32,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:04:32,917 INFO L225 Difference]: With dead ends: 250 [2020-10-13 13:04:32,917 INFO L226 Difference]: Without dead ends: 83 [2020-10-13 13:04:32,920 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2020-10-13 13:04:32,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-13 13:04:32,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 77. [2020-10-13 13:04:32,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-13 13:04:32,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 100 transitions. [2020-10-13 13:04:32,928 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 100 transitions. Word has length 122 [2020-10-13 13:04:32,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:04:32,929 INFO L479 AbstractCegarLoop]: Abstraction has 77 states and 100 transitions. [2020-10-13 13:04:32,929 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 13:04:32,929 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 100 transitions. [2020-10-13 13:04:32,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-13 13:04:32,930 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:04:32,931 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:04:32,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 13:04:32,931 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:04:32,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:04:32,932 INFO L82 PathProgramCache]: Analyzing trace with hash -2119203654, now seen corresponding path program 4 times [2020-10-13 13:04:32,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:04:32,932 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1479929062] [2020-10-13 13:04:32,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:04:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:32,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:32,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:32,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:33,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:33,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:33,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:33,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:33,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:33,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:33,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:33,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:33,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:33,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:33,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:33,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:33,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:33,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:33,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:33,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:33,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:33,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:33,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:35,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:35,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:35,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:36,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:37,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:37,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-13 13:04:37,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 33 [2020-10-13 13:04:37,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-13 13:04:37,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:37,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:04:37,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:04:37,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 13:04:37,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:38,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:04:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:38,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:38,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:38,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:04:38,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:38,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:04:38,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:38,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:38,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:38,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:38,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:04:38,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:04:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:38,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:38,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:38,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:38,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:38,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:38,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:38,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:38,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:38,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:38,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:38,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:38,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:38,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:38,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:38,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:38,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:40,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:40,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:40,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:40,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:40,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:40,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:40,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:40,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:40,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:40,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:40,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:41,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:41,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:41,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:41,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:43,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:43,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-13 13:04:43,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 31 [2020-10-13 13:04:43,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 13:04:43,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:43,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:04:43,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 13:04:43,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 13:04:43,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:43,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:43,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:43,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:43,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:43,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:43,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:43,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:43,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 13:04:43,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 13:04:43,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 416 [2020-10-13 13:04:43,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:43,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:04:43,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:04:43,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 13:04:43,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:43,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:43,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:43,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:43,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:43,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:43,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:43,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:44,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:44,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:04:44,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:04:44,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 653 [2020-10-13 13:04:44,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:44,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:04:44,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:44,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:04:44,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:44,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:44,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:44,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:44,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:44,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:44,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:04:44,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:04:44,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 13:04:44,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:44,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:04:44,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:44,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:04:44,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:44,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:44,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:44,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:44,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:44,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:44,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:04:44,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:04:44,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:44,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:04:44,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:44,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:04:44,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:44,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:44,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:44,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:44,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:44,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:44,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:04:44,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:44,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:04:44,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:44,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:04:44,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:44,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:04:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:44,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:44,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:44,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:44,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:44,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:04:44,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:44,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:04:44,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:44,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:04:44,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:44,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:04:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:44,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:44,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:44,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:44,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:44,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:04:44,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:44,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:04:44,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:04:44,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:04:44,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:44,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 13:04:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:44,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:44,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:44,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:44,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:44,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:44,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:44,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:44,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 13:04:44,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:04:44,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 647 [2020-10-13 13:04:44,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:44,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:44,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-13 13:04:44,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:44,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:44,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:44,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:44,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:44,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:04:44,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:44,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:04:44,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:44,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:44,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:44,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:44,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:44,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:44,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:44,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:44,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:04:44,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:44,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:04:44,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:44,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:44,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:44,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:44,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:44,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:44,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:44,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:44,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:44,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:44,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:04:44,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:44,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:44,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:44,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:44,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:44,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:44,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:44,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:44,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:44,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:44,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:04:44,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:44,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:44,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:44,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:44,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:44,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:04:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:44,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:44,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:44,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:44,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:44,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:04:44,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:44,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:44,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:44,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:44,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:44,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:04:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:44,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:44,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:44,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:44,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:44,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:04:44,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:44,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:44,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:44,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:44,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:44,971 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 42 proven. 102 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2020-10-13 13:04:44,971 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1479929062] [2020-10-13 13:04:44,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:04:44,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 13:04:44,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109417244] [2020-10-13 13:04:44,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 13:04:44,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:04:44,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 13:04:44,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-10-13 13:04:44,972 INFO L87 Difference]: Start difference. First operand 77 states and 100 transitions. Second operand 11 states. [2020-10-13 13:04:45,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:04:45,259 INFO L93 Difference]: Finished difference Result 154 states and 214 transitions. [2020-10-13 13:04:45,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 13:04:45,261 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 110 [2020-10-13 13:04:45,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:04:45,262 INFO L225 Difference]: With dead ends: 154 [2020-10-13 13:04:45,262 INFO L226 Difference]: Without dead ends: 83 [2020-10-13 13:04:45,263 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2020-10-13 13:04:45,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-13 13:04:45,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-10-13 13:04:45,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-13 13:04:45,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 107 transitions. [2020-10-13 13:04:45,270 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 107 transitions. Word has length 110 [2020-10-13 13:04:45,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:04:45,271 INFO L479 AbstractCegarLoop]: Abstraction has 83 states and 107 transitions. [2020-10-13 13:04:45,271 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 13:04:45,271 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 107 transitions. [2020-10-13 13:04:45,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-13 13:04:45,273 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:04:45,273 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 15, 14, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 6, 6, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:04:45,274 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 13:04:45,274 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:04:45,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:04:45,274 INFO L82 PathProgramCache]: Analyzing trace with hash -2081490968, now seen corresponding path program 3 times [2020-10-13 13:04:45,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:04:45,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [451704221] [2020-10-13 13:04:45,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:04:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:45,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:45,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:45,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:45,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:45,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:45,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:45,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:45,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:45,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:45,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:45,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:45,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:45,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:45,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:45,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:46,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:49,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:49,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:49,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:49,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:49,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:49,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:50,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:50,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 322 [2020-10-13 13:04:50,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-13 13:04:50,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-13 13:04:50,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:50,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:04:50,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:04:50,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 13:04:50,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:50,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:04:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:50,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:50,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:50,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:04:50,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:50,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:04:50,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:50,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:50,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:50,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:50,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:50,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:04:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:50,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:50,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:50,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:50,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:50,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:50,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:50,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:50,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:50,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:50,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:51,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:54,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:55,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:55,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-10-13 13:04:55,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-13 13:04:55,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-13 13:04:55,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:55,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:04:55,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 13:04:55,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 13:04:55,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:55,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:55,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:55,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:55,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:55,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:55,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:55,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:55,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:55,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:55,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:55,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:55,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:55,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:55,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:57,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:57,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:57,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:57,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:57,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:57,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:57,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:57,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:57,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:57,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:57,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:57,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:57,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:57,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:58,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:00,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:00,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 13:05:00,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-13 13:05:00,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 13:05:00,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:00,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 13:05:00,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-13 13:05:00,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 13:05:00,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:00,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:00,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:00,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:00,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:05:00,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:00,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:05:00,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:00,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:00,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:00,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:00,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:00,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:00,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:00,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:00,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:00,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:00,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:00,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:00,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:00,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:00,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:00,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:00,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:00,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:00,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:00,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:00,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:00,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:00,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:00,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:00,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:00,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:00,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:00,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:00,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:00,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:00,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:00,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:00,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:00,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:05:00,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:00,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:00,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:00,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:00,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:00,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:05:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:00,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:00,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:00,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:00,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:00,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:05:00,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:00,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:00,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:00,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:00,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:00,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:05:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:00,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:00,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:00,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:00,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:00,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:00,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:00,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:01,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:01,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:01,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:01,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:01,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:01,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:01,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:01,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:01,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:01,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:01,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:01,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:03,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:03,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:03,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:03,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:03,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:05,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:05,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-13 13:05:05,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-13 13:05:05,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 13:05:05,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:05,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 13:05:05,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:05:05,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 13:05:05,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:05,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:05,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:05,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:05,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:05,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:05,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:05,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:06,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:06,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:05:06,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:05:06,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1137 [2020-10-13 13:05:06,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:06,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:05:06,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:06,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:05:06,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:06,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:06,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:06,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:06,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:06,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:06,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:05:06,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-13 13:05:06,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:06,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:05:06,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:06,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:05:06,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:06,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:06,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:06,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:06,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:06,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:06,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:05:06,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:06,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:05:06,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:06,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:05:06,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:06,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:06,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:06,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:06,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:06,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:06,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:05:06,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:06,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:05:06,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:06,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:05:06,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:06,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:05:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:06,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:06,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:06,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:06,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:06,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:05:06,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:05:06,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:06,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:05:06,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:06,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:05:06,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:06,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:05:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:06,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:06,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:06,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:06,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:06,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:07,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:07,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:05:07,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 13:05:07,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-10-13 13:05:07,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:07,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:05:07,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:05:07,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 13:05:07,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:07,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:07,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:07,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:07,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:07,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:07,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:07,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:05:07,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 13:05:07,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:07,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:05:07,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:07,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:05:07,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:07,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:07,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:07,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:07,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:07,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:07,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:07,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:07,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:05:07,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:07,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:05:07,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:07,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:07,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:07,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:07,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:07,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:07,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:07,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:07,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:05:07,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:07,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:05:07,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:07,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:05:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:07,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:07,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:07,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:07,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:07,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:07,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:07,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:05:07,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:07,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:05:07,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:07,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 13:05:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:07,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:07,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:07,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:07,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:07,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:07,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:07,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:07,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:07,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:07,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:07,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:07,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:07,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:10,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:10,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:10,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:12,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:12,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 13:05:12,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-13 13:05:12,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 13:05:12,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:12,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 13:05:12,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-13 13:05:12,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 13:05:12,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:12,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:12,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:12,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:12,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:05:12,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:12,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:05:12,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:12,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:12,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:12,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:12,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:12,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:12,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:12,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:12,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:12,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:12,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:05:12,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:12,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:12,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:12,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:12,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:12,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:12,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:12,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:12,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:12,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:12,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:12,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:12,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:12,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:12,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:12,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:12,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:12,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:12,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:12,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:12,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:12,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:05:12,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:12,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:12,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:12,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:12,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:12,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:05:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:12,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:12,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:12,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:12,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:12,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:12,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:12,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:12,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:12,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:12,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:12,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:05:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:12,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:12,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:12,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:12,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:12,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:12,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:13,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:13,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:13,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:13,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:13,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:13,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:13,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:13,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:13,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:13,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:14,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:14,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:14,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:15,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:15,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:15,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:17,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:17,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-13 13:05:17,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-13 13:05:17,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 13:05:17,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:17,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 13:05:17,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:05:17,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 13:05:17,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:17,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:17,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:17,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:17,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:17,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:17,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:17,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:18,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:18,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:05:18,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:05:18,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 718 [2020-10-13 13:05:18,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:18,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:05:18,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:18,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:05:18,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:18,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:18,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:18,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:18,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:18,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:18,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:05:18,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-13 13:05:18,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:18,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:05:18,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:18,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:05:18,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:18,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:18,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:18,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:18,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:18,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:18,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:05:18,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:18,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:05:18,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:18,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:05:18,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:18,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:18,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:18,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:18,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:18,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:18,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:05:18,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:18,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:05:18,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:18,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:05:18,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:18,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:05:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:18,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:18,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:18,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:18,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:18,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:05:18,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 13:05:18,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:18,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:05:18,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:18,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:05:18,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:18,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:05:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:18,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:18,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:18,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:18,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:18,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:18,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:18,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:18,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:05:18,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:05:18,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 662 [2020-10-13 13:05:18,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:18,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:05:18,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:05:18,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 13:05:18,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:18,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:18,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:18,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:18,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:18,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:18,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:18,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:05:18,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-13 13:05:18,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:18,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:05:18,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:18,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:05:18,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:18,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:18,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:18,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:18,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:18,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:18,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:05:18,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:05:18,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:18,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:05:18,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:18,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:05:18,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:18,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:18,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:18,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:18,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:18,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:18,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:18,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:18,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:05:18,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:18,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:05:18,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:18,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:05:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:18,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:18,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:18,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:18,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:18,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:18,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:18,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:05:18,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:18,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:05:18,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:19,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1608 backedges. 576 proven. 351 refuted. 0 times theorem prover too weak. 681 trivial. 0 not checked. [2020-10-13 13:05:19,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [451704221] [2020-10-13 13:05:19,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:05:19,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-13 13:05:19,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879981975] [2020-10-13 13:05:19,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-13 13:05:19,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:05:19,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-13 13:05:19,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2020-10-13 13:05:19,013 INFO L87 Difference]: Start difference. First operand 83 states and 107 transitions. Second operand 21 states. [2020-10-13 13:05:19,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:05:19,552 INFO L93 Difference]: Finished difference Result 152 states and 210 transitions. [2020-10-13 13:05:19,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 13:05:19,553 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 246 [2020-10-13 13:05:19,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:05:19,555 INFO L225 Difference]: With dead ends: 152 [2020-10-13 13:05:19,556 INFO L226 Difference]: Without dead ends: 83 [2020-10-13 13:05:19,558 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=150, Invalid=842, Unknown=0, NotChecked=0, Total=992 [2020-10-13 13:05:19,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-13 13:05:19,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 76. [2020-10-13 13:05:19,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-10-13 13:05:19,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 92 transitions. [2020-10-13 13:05:19,566 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 92 transitions. Word has length 246 [2020-10-13 13:05:19,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:05:19,569 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 92 transitions. [2020-10-13 13:05:19,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-13 13:05:19,569 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2020-10-13 13:05:19,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-13 13:05:19,573 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:05:19,573 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 14, 14, 13, 12, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:05:19,573 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 13:05:19,573 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:05:19,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:05:19,574 INFO L82 PathProgramCache]: Analyzing trace with hash -359906218, now seen corresponding path program 4 times [2020-10-13 13:05:19,574 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:05:19,574 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [58585438] [2020-10-13 13:05:19,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:05:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:19,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:19,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:19,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:19,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:19,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:19,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:19,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:19,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:23,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:23,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:23,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:23,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:23,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:23,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:24,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:24,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 13:05:24,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-13 13:05:24,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 13:05:24,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:24,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:05:24,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:05:24,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 13:05:24,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:24,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:05:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:24,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:24,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:24,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:05:24,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:24,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:05:24,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:24,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:24,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:24,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:24,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:24,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:05:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:24,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:24,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:24,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:24,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:24,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:24,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:24,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:25,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:26,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:27,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:27,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:27,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:27,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:27,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:27,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:29,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:29,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-13 13:05:29,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-13 13:05:29,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 13:05:29,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:29,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:05:29,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 144 [2020-10-13 13:05:29,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 13:05:29,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:29,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:29,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:29,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:29,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:29,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:29,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:30,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:34,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:34,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 13:05:34,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-13 13:05:34,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-13 13:05:34,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:34,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:34,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:34,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:34,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:34,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:34,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:34,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:34,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:05:34,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:34,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:05:34,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:34,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:34,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:34,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:34,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:34,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:34,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:34,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:34,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:34,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:34,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:34,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:34,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:34,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:34,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:34,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:34,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:34,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:34,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:34,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:34,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:34,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:05:34,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:34,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:34,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:34,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:34,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:34,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:34,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:34,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:34,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:34,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:34,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:34,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:05:34,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:34,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:34,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:34,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:34,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:34,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:05:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:34,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:34,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:34,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:34,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:34,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:05:34,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:34,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:34,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:34,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:34,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:34,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:05:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:34,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:34,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:34,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:05:34,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:34,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:05:34,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:34,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:34,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:34,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:34,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:34,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:34,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:34,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:34,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:05:34,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:34,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:05:34,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:34,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:34,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:34,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:34,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:34,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:34,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:34,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:34,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:34,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:34,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:05:34,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:34,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:34,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:34,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:34,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:34,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:34,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:34,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:34,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:34,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:34,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:34,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:34,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:34,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:34,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:34,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:34,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:34,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:34,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:34,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:34,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:34,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:05:34,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:34,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:34,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:34,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:34,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:34,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:05:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:34,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:34,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:34,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:34,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:34,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:05:34,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:34,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:34,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:34,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:34,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:34,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:05:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:34,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:34,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:34,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:34,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:34,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:34,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:34,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:34,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:34,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:34,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:34,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:34,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:34,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:34,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:34,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:34,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:05:34,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:34,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:34,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:34,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:34,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:34,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:34,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:34,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:34,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:34,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:34,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:05:34,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:34,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:34,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:34,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:34,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:34,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 13:05:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:34,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:34,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:34,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:34,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:34,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:35,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:35,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:35,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:35,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:35,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:35,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:35,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:35,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:35,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:35,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:36,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:36,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:36,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:36,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:39,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:39,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 13:05:39,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-13 13:05:39,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 13:05:39,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:39,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:05:39,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:05:39,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 13:05:39,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:39,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:39,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:39,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:39,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:39,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:39,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:39,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:40,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:40,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:05:40,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:05:40,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 904 [2020-10-13 13:05:40,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:40,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:05:40,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:40,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:05:40,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:40,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:40,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:40,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:40,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:40,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:40,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:05:40,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 13:05:40,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:40,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:05:40,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:40,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:05:40,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:40,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:40,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:40,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:40,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:40,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:40,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:40,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:40,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:05:40,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:40,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:05:40,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:40,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:40,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:40,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:40,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:40,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:40,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:40,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:40,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:05:40,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:40,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:05:40,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:40,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:05:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:40,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:40,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:40,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:40,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:40,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:05:40,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:05:40,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:40,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:05:40,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:40,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:05:40,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:40,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:05:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:40,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:40,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:40,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:40,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:40,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:40,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:40,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:41,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:41,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:44,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:44,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:05:44,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 13:05:44,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3935 [2020-10-13 13:05:44,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:44,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:05:44,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:05:44,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:05:44,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:44,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:44,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:44,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:44,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:05:44,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:44,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:05:44,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:44,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:05:44,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:44,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 13:05:44,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:44,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:44,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:44,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:44,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:44,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:44,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:44,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:44,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:44,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:44,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:44,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:44,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:44,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:44,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:44,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:44,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:44,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:05:44,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:44,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:44,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:44,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:44,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:44,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:44,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:44,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:44,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:44,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:44,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:05:44,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:44,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:44,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:44,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:44,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:44,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:05:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:44,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:44,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:44,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:44,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:44,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:44,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:44,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:44,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:44,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:44,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:44,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:05:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:44,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:44,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:44,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:44,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:44,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:44,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:05:44,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-13 13:05:44,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:44,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:05:44,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:44,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:05:44,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:44,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:44,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:44,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:44,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:44,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:44,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:05:44,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:05:44,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:44,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:05:44,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:44,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:05:44,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:44,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:44,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:44,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:44,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:44,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:44,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:44,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:44,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:05:44,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:44,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:05:44,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:45,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 402 proven. 99 refuted. 0 times theorem prover too weak. 747 trivial. 0 not checked. [2020-10-13 13:05:45,042 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [58585438] [2020-10-13 13:05:45,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:05:45,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-13 13:05:45,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371579287] [2020-10-13 13:05:45,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-13 13:05:45,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:05:45,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-13 13:05:45,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-10-13 13:05:45,044 INFO L87 Difference]: Start difference. First operand 76 states and 92 transitions. Second operand 17 states. [2020-10-13 13:05:45,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:05:45,625 INFO L93 Difference]: Finished difference Result 155 states and 210 transitions. [2020-10-13 13:05:45,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 13:05:45,625 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 218 [2020-10-13 13:05:45,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:05:45,627 INFO L225 Difference]: With dead ends: 155 [2020-10-13 13:05:45,627 INFO L226 Difference]: Without dead ends: 93 [2020-10-13 13:05:45,628 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=139, Invalid=731, Unknown=0, NotChecked=0, Total=870 [2020-10-13 13:05:45,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-13 13:05:45,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 89. [2020-10-13 13:05:45,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-10-13 13:05:45,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 113 transitions. [2020-10-13 13:05:45,635 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 113 transitions. Word has length 218 [2020-10-13 13:05:45,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:05:45,636 INFO L479 AbstractCegarLoop]: Abstraction has 89 states and 113 transitions. [2020-10-13 13:05:45,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-13 13:05:45,636 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 113 transitions. [2020-10-13 13:05:45,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-13 13:05:45,639 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:05:45,639 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 12, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:05:45,639 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 13:05:45,639 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:05:45,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:05:45,640 INFO L82 PathProgramCache]: Analyzing trace with hash -664414073, now seen corresponding path program 5 times [2020-10-13 13:05:45,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:05:45,640 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [775142391] [2020-10-13 13:05:45,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:05:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:45,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:45,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:45,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:45,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:45,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:45,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:45,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:45,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:50,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:50,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 268 [2020-10-13 13:05:50,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 13:05:50,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 13:05:50,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:50,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:05:50,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:05:50,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 13:05:50,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:50,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:05:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:50,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:50,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:50,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:05:50,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:50,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:05:50,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:50,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:50,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:50,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:50,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:50,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:05:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:50,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:50,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:50,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:50,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:50,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:50,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:50,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:50,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:51,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:51,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:51,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:53,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:53,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:53,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:54,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:54,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:54,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:54,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:54,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:54,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:55,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:55,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:55,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-13 13:05:55,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-13 13:05:55,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-13 13:05:55,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:55,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-13 13:05:55,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-10-13 13:05:55,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-13 13:05:55,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:55,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:55,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:55,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:55,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:05:55,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:55,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:05:55,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:55,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:55,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:55,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:55,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:55,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:55,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:55,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:55,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:05:55,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:55,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:05:55,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:55,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:55,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:55,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:55,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:55,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:55,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:55,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:55,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:55,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:55,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:55,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:55,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:55,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:55,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:55,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:55,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:55,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:55,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:55,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:55,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:55,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:05:55,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:55,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:55,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:55,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:55,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:55,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:55,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:55,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:55,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:55,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:55,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:05:55,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:55,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:55,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:55,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:55,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:55,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:05:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:55,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:55,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:55,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:55,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:55,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:05:55,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:55,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:55,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:55,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:55,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:55,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:05:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:55,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:55,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:55,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:55,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:55,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:55,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:55,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:55,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:55,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:55,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:55,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:55,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:55,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:55,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:55,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:55,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:05:55,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:55,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:55,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:55,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:55,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:55,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:55,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:55,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:55,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:55,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:55,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:05:55,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:55,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:55,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:55,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:55,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:55,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 13:05:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:55,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:55,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:55,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:55,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:55,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:55,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:55,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:55,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:55,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:56,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:56,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:56,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:56,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:56,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:59,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:59,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:59,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:59,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:59,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:59,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:59,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:59,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:59,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:59,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:59,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:59,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:00,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:00,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:00,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:00,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:00,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-13 13:06:00,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-13 13:06:00,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-13 13:06:00,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:00,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-13 13:06:00,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:06:00,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-13 13:06:00,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:00,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:00,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:00,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:00,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:00,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:00,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:00,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:00,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:00,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:00,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:01,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:01,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:01,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:01,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:01,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:01,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:01,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:01,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:01,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:01,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:01,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:01,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:01,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:01,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:02,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:02,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:02,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:05,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:05,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:06:05,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-13 13:06:05,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 13:06:05,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:05,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 13:06:05,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:05,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 13:06:05,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:05,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:05,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:05,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:05,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:05,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:05,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:05,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:06,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:06,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:06:06,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:06:06,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 519 [2020-10-13 13:06:06,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:06,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:06:06,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:06,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:06:06,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:06,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:06,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:06,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:06,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:06,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:06,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:06:06,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:06,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:06,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:06,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:06:06,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:06,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:06,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:06,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:06,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:06,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:06,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:06,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:06,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:06,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:06,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:06,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:06,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:06,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:06,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:06,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:06,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:06,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:06,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:06,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:06,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:06,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:06,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:06,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:06:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:06,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:06,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:06,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:06,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:06,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:06,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:06,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:06,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:06,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:06:06,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:06,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:06:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:06,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:06,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:06,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:06,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:06,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:06,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:06:06,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-13 13:06:06,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:06,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:06:06,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:06,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:06:06,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:06,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:06,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:06,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:06,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:06,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:06,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:06:06,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:06:06,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:06,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:06:06,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:06,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:06:06,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:06,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:06,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:06,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:06,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:06,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:06,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:06:06,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:06,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:06:06,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:06,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:06:06,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:06,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 13:06:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:06,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:06,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:06,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:06,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:06,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:06,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:06,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:06,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:11,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:11,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:06:11,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 13:06:11,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 13:06:11,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:11,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:06:11,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:06:11,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:06:11,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:11,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:11,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:11,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:11,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:11,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:11,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:11,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:12,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:12,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:06:12,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:06:12,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 674 [2020-10-13 13:06:12,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:12,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:06:12,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:12,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:06:12,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:12,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:12,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:12,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:12,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:12,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:12,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:12,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:06:12,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 13:06:12,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:12,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:06:12,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:12,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:06:12,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:12,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:12,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:12,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:12,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:12,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:12,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:06:12,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:06:12,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:12,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:06:12,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:12,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:06:12,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:12,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:12,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:12,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:12,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:12,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:12,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:12,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:12,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:12,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:12,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:06:12,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:12,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:06:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:12,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:12,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:12,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:12,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:12,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:12,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:12,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:12,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:12,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:06:12,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:12,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:06:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:12,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:12,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:12,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:12,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:12,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:06:12,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:12,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:12,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:12,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:06:12,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:12,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:12,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:12,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:12,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:12,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:12,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:12,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:12,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:12,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:12,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:12,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:12,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:12,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:12,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:12,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:12,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:12,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:12,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:12,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:12,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:12,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:12,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:12,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1073 backedges. 406 proven. 145 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2020-10-13 13:06:12,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [775142391] [2020-10-13 13:06:12,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:06:12,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-13 13:06:12,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040902899] [2020-10-13 13:06:12,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-13 13:06:12,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:06:12,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-13 13:06:12,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2020-10-13 13:06:12,569 INFO L87 Difference]: Start difference. First operand 89 states and 113 transitions. Second operand 23 states. [2020-10-13 13:06:13,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:06:13,098 INFO L93 Difference]: Finished difference Result 178 states and 245 transitions. [2020-10-13 13:06:13,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-13 13:06:13,101 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 204 [2020-10-13 13:06:13,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:06:13,103 INFO L225 Difference]: With dead ends: 178 [2020-10-13 13:06:13,103 INFO L226 Difference]: Without dead ends: 103 [2020-10-13 13:06:13,105 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=177, Invalid=879, Unknown=0, NotChecked=0, Total=1056 [2020-10-13 13:06:13,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-10-13 13:06:13,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 92. [2020-10-13 13:06:13,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-10-13 13:06:13,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 114 transitions. [2020-10-13 13:06:13,112 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 114 transitions. Word has length 204 [2020-10-13 13:06:13,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:06:13,112 INFO L479 AbstractCegarLoop]: Abstraction has 92 states and 114 transitions. [2020-10-13 13:06:13,112 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-13 13:06:13,113 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 114 transitions. [2020-10-13 13:06:13,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-13 13:06:13,115 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:06:13,115 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:06:13,116 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 13:06:13,116 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:06:13,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:06:13,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1988623405, now seen corresponding path program 6 times [2020-10-13 13:06:13,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:06:13,117 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [23431741] [2020-10-13 13:06:13,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:06:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:13,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:13,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:13,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:13,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:13,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:13,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:13,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:13,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:13,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:13,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:13,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:13,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:13,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:13,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:13,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:13,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:13,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:13,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:16,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:18,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:18,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-13 13:06:18,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-13 13:06:18,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-13 13:06:18,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:18,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:06:18,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:06:18,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 13:06:18,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:18,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:06:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:18,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:18,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:18,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:06:18,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:18,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:18,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:18,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:18,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:18,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:18,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:18,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:06:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:18,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:18,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:18,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:18,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:18,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:18,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:18,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:18,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:18,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:18,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:18,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:18,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:18,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:18,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:19,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:20,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:23,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:23,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-13 13:06:23,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-13 13:06:23,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-13 13:06:23,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:23,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-13 13:06:23,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:06:23,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-13 13:06:23,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:23,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:23,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:23,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:23,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:23,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:23,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:23,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:23,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:23,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:23,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:23,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:24,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:24,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:24,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:24,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:24,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:24,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:24,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:24,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:24,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:25,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:25,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:25,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:25,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:25,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:28,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:28,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:28,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:06:28,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-13 13:06:28,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 13:06:28,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:28,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:06:28,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:28,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 13:06:28,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:28,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:28,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:28,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:28,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:28,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:28,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:28,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:29,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:29,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:06:29,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:06:29,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1102 [2020-10-13 13:06:29,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:29,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:06:29,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:29,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:06:29,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:29,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:29,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:29,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:29,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:29,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:29,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:29,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:06:29,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-13 13:06:29,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:29,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:06:29,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:29,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:06:29,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:29,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:29,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:29,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:29,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:29,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:29,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:06:29,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:06:29,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:29,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:06:29,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:29,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:06:29,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:29,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:29,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:29,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:29,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:29,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:29,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:06:29,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:29,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:06:29,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:29,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:06:29,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:29,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:06:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:29,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:29,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:29,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:29,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:29,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:29,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:29,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:29,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:29,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:06:29,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:29,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:06:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:29,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:29,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:29,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:29,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:29,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:06:29,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:29,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:29,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:29,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:06:29,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:29,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:29,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:29,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:29,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:29,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:29,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:29,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:29,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:29,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:29,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:29,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:29,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:29,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:29,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:29,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:29,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:29,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:29,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:29,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:29,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:29,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:29,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:29,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 13:06:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:29,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:29,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:29,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:29,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:29,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:29,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:29,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:29,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:29,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:30,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:31,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:34,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:34,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 13:06:34,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-13 13:06:34,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 13:06:34,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:34,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:06:34,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:06:34,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-13 13:06:34,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:34,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:34,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:34,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:34,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:06:34,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:34,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 13:06:34,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:34,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:34,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:34,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:06:34,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:34,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:34,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:34,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:34,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:06:34,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:34,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:06:34,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:34,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:34,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:34,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:34,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:34,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:34,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:34,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:34,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:34,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:34,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:34,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:34,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:34,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:34,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:34,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:34,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:34,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:34,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:34,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:34,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:34,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:34,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:34,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:34,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:34,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:34,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:34,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:34,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:34,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:34,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:34,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:34,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:34,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:34,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:34,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:34,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:34,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:34,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:06:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:34,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:34,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:34,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:34,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:34,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:34,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:34,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:34,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:34,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:34,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:34,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:06:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:34,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:34,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:34,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:34,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:34,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:06:34,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:34,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:34,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:34,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:34,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:34,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:34,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:34,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:34,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:34,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:34,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:34,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:34,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:34,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:34,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:34,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:34,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:34,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:34,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:34,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:34,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:34,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:34,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:34,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:34,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:34,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:34,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:34,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 13:06:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:34,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:34,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:34,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:34,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:34,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:34,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:35,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:35,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:06:35,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:06:35,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 373 [2020-10-13 13:06:35,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:35,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:06:35,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:35,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:06:35,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:35,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:35,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:35,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:35,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:35,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:35,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:06:35,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:35,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:35,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:35,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:06:35,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:35,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:35,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:35,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:35,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:35,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:35,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:35,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:35,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:35,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:35,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:35,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:35,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:35,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:35,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:35,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:35,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:35,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:35,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:35,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:35,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:35,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:35,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:35,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:06:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:35,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:35,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:35,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:35,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:35,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:06:35,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:06:35,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:35,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:06:35,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:35,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:06:35,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:35,220 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 153 proven. 244 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2020-10-13 13:06:35,221 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [23431741] [2020-10-13 13:06:35,221 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:06:35,221 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-13 13:06:35,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111240837] [2020-10-13 13:06:35,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-13 13:06:35,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:06:35,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-13 13:06:35,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2020-10-13 13:06:35,222 INFO L87 Difference]: Start difference. First operand 92 states and 114 transitions. Second operand 20 states. [2020-10-13 13:06:35,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:06:35,656 INFO L93 Difference]: Finished difference Result 178 states and 238 transitions. [2020-10-13 13:06:35,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 13:06:35,657 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 177 [2020-10-13 13:06:35,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:06:35,659 INFO L225 Difference]: With dead ends: 178 [2020-10-13 13:06:35,659 INFO L226 Difference]: Without dead ends: 100 [2020-10-13 13:06:35,660 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=628, Unknown=0, NotChecked=0, Total=756 [2020-10-13 13:06:35,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-10-13 13:06:35,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 97. [2020-10-13 13:06:35,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-10-13 13:06:35,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 120 transitions. [2020-10-13 13:06:35,667 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 120 transitions. Word has length 177 [2020-10-13 13:06:35,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:06:35,668 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 120 transitions. [2020-10-13 13:06:35,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-13 13:06:35,668 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 120 transitions. [2020-10-13 13:06:35,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-13 13:06:35,670 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:06:35,670 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:06:35,670 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-13 13:06:35,670 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:06:35,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:06:35,671 INFO L82 PathProgramCache]: Analyzing trace with hash 307857833, now seen corresponding path program 7 times [2020-10-13 13:06:35,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:06:35,671 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1348304205] [2020-10-13 13:06:35,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:06:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:35,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:35,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:35,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:35,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:35,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:36,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:36,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:36,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:40,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:40,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-13 13:06:40,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 13:06:40,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 13:06:40,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:40,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 13:06:40,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:06:40,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:06:40,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:40,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:06:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:40,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:40,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:40,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:06:40,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:40,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:40,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:40,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:40,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:40,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:40,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:40,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:06:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:40,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:40,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:40,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:41,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:41,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:41,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:41,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:41,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:41,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:45,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:45,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-13 13:06:45,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 13:06:45,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-13 13:06:45,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:45,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:06:45,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:06:45,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-10-13 13:06:45,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:45,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:45,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:45,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:45,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:45,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:45,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:45,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:49,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:50,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:50,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 13:06:50,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 13:06:50,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 13:06:50,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:50,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:06:50,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:50,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-13 13:06:50,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:50,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:50,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:50,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:50,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:06:50,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:50,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 13:06:50,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:50,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:50,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:50,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:06:50,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:50,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:50,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:50,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:50,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:06:50,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:50,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:06:50,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:50,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:50,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:50,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:50,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:50,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:50,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:50,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:50,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:50,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:50,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:50,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:50,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:50,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:50,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:50,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:50,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:50,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:50,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:50,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:50,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:50,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:50,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:50,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:50,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:50,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:50,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:50,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:50,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:50,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:50,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:50,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:50,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:50,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:50,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:50,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:50,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:50,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:50,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:06:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:50,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:50,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:50,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:50,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:50,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:50,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:50,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:50,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:50,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:50,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:50,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:06:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:50,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:50,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:50,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:50,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:50,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:50,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:50,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:50,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:50,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:50,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:50,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:50,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:50,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:50,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:50,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:50,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:50,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:50,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:50,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:50,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:50,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:50,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:50,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:50,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:50,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:50,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:50,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:50,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:50,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:50,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:50,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:50,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:50,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 13:06:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:50,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:50,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:50,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:51,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:51,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:06:51,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:06:51,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-10-13 13:06:51,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:51,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:06:51,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:51,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:06:51,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:51,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:51,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:51,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:51,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:51,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:51,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:06:51,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 13:06:51,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:51,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:06:51,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:51,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:06:51,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:51,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:51,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:51,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:51,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:51,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:51,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:51,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:06:51,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:51,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:51,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:51,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:06:51,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:51,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:51,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:51,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:51,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:51,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:51,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:06:51,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:51,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:06:51,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:51,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:06:51,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:51,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:06:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:51,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:51,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:51,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:51,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:51,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:51,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:51,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:51,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:51,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:06:51,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:51,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 13:06:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:51,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:51,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:51,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:06:51,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:51,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 13:06:51,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:51,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:06:51,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:51,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:06:51,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:51,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:51,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:51,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:51,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:06:51,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:51,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:06:51,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:51,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:51,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:51,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:51,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:51,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:51,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:51,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:51,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:51,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:51,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:06:51,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:51,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:51,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:51,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:51,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:51,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:51,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:51,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:51,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:51,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:51,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:51,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:51,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:51,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:51,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:51,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:51,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:51,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:51,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:51,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:51,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:51,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:51,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:51,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:51,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:51,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:51,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:51,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:51,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:06:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:51,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:51,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:51,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:51,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:51,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:51,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:51,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:51,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:51,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:51,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:51,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:06:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:51,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:51,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:51,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:06:51,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:51,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:06:51,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:51,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:51,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:51,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:51,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:51,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:06:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:51,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:51,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:51,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:06:51,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:51,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:51,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:51,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:51,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:51,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:51,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:51,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:06:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:51,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:51,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:51,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:51,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:51,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:51,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:51,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:51,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:51,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:51,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:51,320 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 114 proven. 148 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2020-10-13 13:06:51,321 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1348304205] [2020-10-13 13:06:51,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:06:51,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 13:06:51,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674688627] [2020-10-13 13:06:51,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 13:06:51,322 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:06:51,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 13:06:51,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-13 13:06:51,322 INFO L87 Difference]: Start difference. First operand 97 states and 120 transitions. Second operand 11 states. [2020-10-13 13:06:51,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:06:51,543 INFO L93 Difference]: Finished difference Result 109 states and 141 transitions. [2020-10-13 13:06:51,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 13:06:51,543 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 177 [2020-10-13 13:06:51,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:06:51,546 INFO L225 Difference]: With dead ends: 109 [2020-10-13 13:06:51,546 INFO L226 Difference]: Without dead ends: 105 [2020-10-13 13:06:51,546 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2020-10-13 13:06:51,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-10-13 13:06:51,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 102. [2020-10-13 13:06:51,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-13 13:06:51,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 130 transitions. [2020-10-13 13:06:51,554 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 130 transitions. Word has length 177 [2020-10-13 13:06:51,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:06:51,555 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 130 transitions. [2020-10-13 13:06:51,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 13:06:51,555 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 130 transitions. [2020-10-13 13:06:51,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2020-10-13 13:06:51,559 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:06:51,559 INFO L422 BasicCegarLoop]: trace histogram [42, 42, 37, 37, 32, 31, 21, 21, 21, 21, 21, 21, 21, 18, 18, 18, 18, 18, 18, 18, 14, 10, 10, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:06:51,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-13 13:06:51,560 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:06:51,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:06:51,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1362882878, now seen corresponding path program 8 times [2020-10-13 13:06:51,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:06:51,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1414767203] [2020-10-13 13:06:51,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:06:51,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:51,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:51,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:51,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:51,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:51,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:51,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:51,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:51,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:51,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:51,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:52,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:52,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:52,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:52,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:52,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:52,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:52,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:52,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:52,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:52,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:52,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:53,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:53,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:53,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:53,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:56,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:56,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 708 [2020-10-13 13:06:56,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-13 13:06:56,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5107 [2020-10-13 13:06:56,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:56,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-13 13:06:56,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:06:56,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:06:56,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:56,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:06:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:56,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:56,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:56,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:06:56,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:56,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:56,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:56,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:56,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:56,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:56,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:56,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:06:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:56,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:56,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:56,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:56,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:57,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:57,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:57,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:57,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:57,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:57,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:57,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:58,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:58,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:59,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:59,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:59,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:01,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:01,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 696 [2020-10-13 13:07:01,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-13 13:07:01,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5042 [2020-10-13 13:07:01,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:01,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:07:01,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 156 [2020-10-13 13:07:01,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-13 13:07:01,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:01,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:07:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:01,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:01,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:02,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:02,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:02,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:02,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:02,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:02,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:02,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:02,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:02,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:06,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:06,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:06,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 344 [2020-10-13 13:07:06,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-13 13:07:06,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-13 13:07:06,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:06,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:07:06,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-10-13 13:07:06,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-13 13:07:06,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:06,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:07:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:06,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:06,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:06,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 13:07:06,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:06,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:07:06,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:06,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:07:06,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:06,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:07:06,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:06,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:07:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:06,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:06,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:06,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:07:06,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:06,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:07:06,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:06,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:07:06,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:06,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:07:06,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:07,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:07:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:07,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:07,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:07,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:07:07,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:07,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:07:07,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:07,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:07:07,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:07,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:07:07,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:07,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:07:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:07,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:07,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:07,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:07:07,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:07,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:07:07,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:07,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:07:07,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:07,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:07:07,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:07,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:07:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:07,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:07,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:07,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:07:07,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:07,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:07:07,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:07,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:07:07,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:07,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:07:07,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:07,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:07:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:07,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:07,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:07,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:07:07,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:07,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:07:07,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:07,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:07:07,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:07,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:07:07,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:07,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:07:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:07,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:07,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:07,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:07:07,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:07,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:07:07,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:07,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:07:07,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:07,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:07:07,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:07,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:07:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:07,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:07,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:07,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:07:07,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:07,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:07:07,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:07,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:07:07,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:07,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:07:07,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:07,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:07:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:07,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:07,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:07,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:07:07,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:07,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:07:07,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:07,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:07:07,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:07,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:07:07,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:07,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:07:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:07,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:07,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:07,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:07:07,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:07,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:07:07,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:07,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:07:07,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:07,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:07:07,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:07,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 13:07:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:07,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:07,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:07,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:07:07,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:07,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:07:07,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:07,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:07:07,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:07,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:07:07,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:07,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:07:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:07,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:07,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:07,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:07:07,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:07,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:07:07,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:07,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:07:07,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:07,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:07:07,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:07,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:07:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:07,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:07,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:07,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:07:07,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:07,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:07:07,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:07,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:07:07,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:07,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:07:07,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:07,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:07:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:07,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:07,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:07,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:07:07,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:07,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:07:07,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:07,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:07:07,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:07,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:07:07,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:07,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:07:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:07,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:07,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:07,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:07:07,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:07,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:07:07,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:07,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:07:07,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:07,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:07:07,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:07,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 13:07:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:07,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:07,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:07,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:07,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:07,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:07,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:07,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:07,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:07,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:07,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:07,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:07,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:07,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:07,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:08,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:10,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:10,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:11,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:11,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:11,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:11,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:12,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:12,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-13 13:07:12,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-13 13:07:12,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 13:07:12,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:12,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:07:12,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 13:07:12,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-13 13:07:12,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:12,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:07:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:12,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:12,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:12,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:12,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:12,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:12,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:12,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:12,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:12,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:12,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:12,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:12,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:12,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:12,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:12,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:12,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:13,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:13,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:13,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:13,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:14,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:14,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:14,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:14,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:14,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking...