/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/id_o1000.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 13:05:44,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 13:05:44,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 13:05:44,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 13:05:44,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 13:05:44,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 13:05:44,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 13:05:44,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 13:05:44,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 13:05:44,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 13:05:44,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 13:05:44,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 13:05:44,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 13:05:44,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 13:05:44,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 13:05:44,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 13:05:44,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 13:05:44,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 13:05:44,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 13:05:44,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 13:05:44,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 13:05:44,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 13:05:44,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 13:05:44,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 13:05:44,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 13:05:44,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 13:05:44,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 13:05:44,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 13:05:44,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 13:05:44,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 13:05:44,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 13:05:44,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 13:05:44,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 13:05:44,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 13:05:44,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 13:05:44,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 13:05:44,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 13:05:44,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 13:05:44,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 13:05:44,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 13:05:44,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 13:05:44,712 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 13:05:44,733 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 13:05:44,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 13:05:44,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 13:05:44,735 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 13:05:44,735 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 13:05:44,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 13:05:44,736 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 13:05:44,736 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 13:05:44,736 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 13:05:44,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 13:05:44,736 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 13:05:44,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 13:05:44,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 13:05:44,737 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 13:05:44,737 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 13:05:44,737 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 13:05:44,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 13:05:44,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 13:05:44,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 13:05:44,738 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 13:05:44,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 13:05:44,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 13:05:44,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 13:05:44,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 13:05:44,739 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 13:05:44,739 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 13:05:44,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 13:05:44,740 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 13:05:44,740 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 13:05:44,740 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 13:05:45,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 13:05:45,058 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 13:05:45,062 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 13:05:45,064 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 13:05:45,064 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 13:05:45,065 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/id_o1000.c [2020-10-13 13:05:45,130 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c552f7720/49d489899d49406ba57898566c27e9d3/FLAG9f10a386c [2020-10-13 13:05:45,589 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 13:05:45,590 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/id_o1000.c [2020-10-13 13:05:45,596 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c552f7720/49d489899d49406ba57898566c27e9d3/FLAG9f10a386c [2020-10-13 13:05:45,945 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c552f7720/49d489899d49406ba57898566c27e9d3 [2020-10-13 13:05:45,956 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 13:05:45,958 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 13:05:45,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 13:05:45,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 13:05:45,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 13:05:45,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:05:45" (1/1) ... [2020-10-13 13:05:45,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1592531a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:45, skipping insertion in model container [2020-10-13 13:05:45,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:05:45" (1/1) ... [2020-10-13 13:05:45,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 13:05:45,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 13:05:46,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 13:05:46,162 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 13:05:46,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 13:05:46,193 INFO L208 MainTranslator]: Completed translation [2020-10-13 13:05:46,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:46 WrapperNode [2020-10-13 13:05:46,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 13:05:46,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 13:05:46,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 13:05:46,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 13:05:46,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:46" (1/1) ... [2020-10-13 13:05:46,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:46" (1/1) ... [2020-10-13 13:05:46,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:46" (1/1) ... [2020-10-13 13:05:46,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:46" (1/1) ... [2020-10-13 13:05:46,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:46" (1/1) ... [2020-10-13 13:05:46,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:46" (1/1) ... [2020-10-13 13:05:46,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:46" (1/1) ... [2020-10-13 13:05:46,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 13:05:46,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 13:05:46,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 13:05:46,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 13:05:46,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:46" (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 13:05:46,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 13:05:46,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 13:05:46,357 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2020-10-13 13:05:46,357 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 13:05:46,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-13 13:05:46,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 13:05:46,357 INFO L130 BoogieDeclarations]: Found specification of procedure id [2020-10-13 13:05:46,358 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 13:05:46,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 13:05:46,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 13:05:46,512 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 13:05:46,513 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-13 13:05:46,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:05:46 BoogieIcfgContainer [2020-10-13 13:05:46,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 13:05:46,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 13:05:46,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 13:05:46,520 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 13:05:46,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:05:45" (1/3) ... [2020-10-13 13:05:46,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af8ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:05:46, skipping insertion in model container [2020-10-13 13:05:46,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:46" (2/3) ... [2020-10-13 13:05:46,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af8ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:05:46, skipping insertion in model container [2020-10-13 13:05:46,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:05:46" (3/3) ... [2020-10-13 13:05:46,524 INFO L109 eAbstractionObserver]: Analyzing ICFG id_o1000.c [2020-10-13 13:05:46,534 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 13:05:46,541 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 13:05:46,554 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 13:05:46,578 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 13:05:46,578 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 13:05:46,578 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 13:05:46,578 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 13:05:46,578 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 13:05:46,578 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 13:05:46,579 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 13:05:46,579 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 13:05:46,597 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-10-13 13:05:46,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-13 13:05:46,603 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:05:46,604 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:05:46,604 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:05:46,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:05:46,609 INFO L82 PathProgramCache]: Analyzing trace with hash -872342019, now seen corresponding path program 1 times [2020-10-13 13:05:46,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:05:46,616 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1903093241] [2020-10-13 13:05:46,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:05:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:46,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:46,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:46,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:05:46,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:46,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-13 13:05:46,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:46,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:05:46,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 13:05:46,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:05:46,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 13:05:46,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:05:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:46,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:46,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:46,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:05:46,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:46,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:05:46,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:46,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:46,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:46,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:46,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:47,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:05:47,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:47,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:47,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:47,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:47,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:47,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 13:05:47,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:47,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:05:47,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:47,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:05:47,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:47,075 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 13:05:47,076 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1903093241] [2020-10-13 13:05:47,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:05:47,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 13:05:47,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697515442] [2020-10-13 13:05:47,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 13:05:47,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:05:47,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 13:05:47,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 13:05:47,104 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 5 states. [2020-10-13 13:05:47,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:05:47,151 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2020-10-13 13:05:47,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 13:05:47,154 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-13 13:05:47,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:05:47,164 INFO L225 Difference]: With dead ends: 32 [2020-10-13 13:05:47,166 INFO L226 Difference]: Without dead ends: 18 [2020-10-13 13:05:47,171 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 13:05:47,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-10-13 13:05:47,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-10-13 13:05:47,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-10-13 13:05:47,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2020-10-13 13:05:47,214 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 13 [2020-10-13 13:05:47,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:05:47,214 INFO L479 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2020-10-13 13:05:47,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 13:05:47,215 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2020-10-13 13:05:47,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-13 13:05:47,217 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:05:47,217 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:05:47,217 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 13:05:47,218 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:05:47,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:05:47,218 INFO L82 PathProgramCache]: Analyzing trace with hash -953570577, now seen corresponding path program 1 times [2020-10-13 13:05:47,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:05:47,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [672942492] [2020-10-13 13:05:47,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:05:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:47,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:47,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:47,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 13:05:47,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:47,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 217 [2020-10-13 13:05:47,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:47,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:05:47,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 13:05:47,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:05:47,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 13:05:47,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:05:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:47,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:47,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:47,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:05:47,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:47,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:05:47,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:47,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:47,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:47,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:47,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:47,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:05:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:47,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:47,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:47,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 13:05:47,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:47,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 13:05:47,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:47,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:05:47,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:47,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:05:47,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:47,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:47,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:47,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:47,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:47,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:47,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 13:05:47,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:47,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:05:47,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:47,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:05:47,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:47,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-13 13:05:47,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [672942492] [2020-10-13 13:05:47,700 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:05:47,700 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 13:05:47,700 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733640469] [2020-10-13 13:05:47,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 13:05:47,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:05:47,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 13:05:47,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 13:05:47,706 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand 7 states. [2020-10-13 13:05:47,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:05:47,733 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2020-10-13 13:05:47,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 13:05:47,734 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2020-10-13 13:05:47,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:05:47,735 INFO L225 Difference]: With dead ends: 25 [2020-10-13 13:05:47,736 INFO L226 Difference]: Without dead ends: 21 [2020-10-13 13:05:47,737 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 13:05:47,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-10-13 13:05:47,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-10-13 13:05:47,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-13 13:05:47,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2020-10-13 13:05:47,744 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 19 [2020-10-13 13:05:47,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:05:47,744 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2020-10-13 13:05:47,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 13:05:47,745 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2020-10-13 13:05:47,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-13 13:05:47,746 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:05:47,746 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:05:47,747 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 13:05:47,747 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:05:47,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:05:47,747 INFO L82 PathProgramCache]: Analyzing trace with hash 397359997, now seen corresponding path program 2 times [2020-10-13 13:05:47,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:05:47,748 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2107777272] [2020-10-13 13:05:47,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:05:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:47,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:47,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:47,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 13:05:47,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:47,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-13 13:05:47,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:47,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:05:47,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-13 13:05:47,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 13:05:47,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:47,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:05:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:47,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:47,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:47,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:05:47,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:47,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:05:47,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:47,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:47,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:47,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:47,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:47,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:05:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:47,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:48,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:48,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 13:05:48,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:48,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-13 13:05:48,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:48,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:05:48,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:48,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 13:05:48,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:48,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:48,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:48,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:48,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 13:05:48,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:48,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 13:05:48,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:48,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:05:48,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:48,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:05:48,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:48,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:48,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:48,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:48,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:48,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:48,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:05:48,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:48,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:05:48,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:48,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:05:48,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:48,235 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-13 13:05:48,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2107777272] [2020-10-13 13:05:48,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:05:48,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 13:05:48,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826155337] [2020-10-13 13:05:48,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 13:05:48,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:05:48,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 13:05:48,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-13 13:05:48,239 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 9 states. [2020-10-13 13:05:48,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:05:48,283 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2020-10-13 13:05:48,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 13:05:48,284 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-10-13 13:05:48,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:05:48,285 INFO L225 Difference]: With dead ends: 28 [2020-10-13 13:05:48,285 INFO L226 Difference]: Without dead ends: 24 [2020-10-13 13:05:48,286 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-13 13:05:48,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-10-13 13:05:48,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-10-13 13:05:48,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-13 13:05:48,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2020-10-13 13:05:48,294 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 25 [2020-10-13 13:05:48,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:05:48,294 INFO L479 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2020-10-13 13:05:48,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 13:05:48,294 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2020-10-13 13:05:48,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-13 13:05:48,296 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:05:48,296 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:05:48,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 13:05:48,296 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:05:48,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:05:48,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1198310127, now seen corresponding path program 3 times [2020-10-13 13:05:48,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:05:48,298 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1506464720] [2020-10-13 13:05:48,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:05:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:48,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:48,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:48,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:05:48,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:48,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-13 13:05:48,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:48,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:05:48,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-13 13:05:48,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 13:05:48,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:48,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:05:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:48,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:48,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:48,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:05:48,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:48,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:48,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:48,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:48,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:48,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:48,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:48,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:05:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:48,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:48,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:48,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 13:05:48,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:48,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-13 13:05:48,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:48,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:05:48,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:48,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 13:05:48,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:48,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:48,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:48,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:48,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 13:05:48,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:48,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-13 13:05:48,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:48,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:05:48,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:48,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 13:05:48,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:48,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:48,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:48,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:48,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 13:05:48,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:48,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 13:05:48,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:48,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:05:48,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:48,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:05:48,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:48,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:48,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:48,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:48,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:48,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:48,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 13:05:48,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:48,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:05:48,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:48,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:05:48,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:48,906 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-13 13:05:48,906 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1506464720] [2020-10-13 13:05:48,907 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:05:48,908 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 13:05:48,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748132656] [2020-10-13 13:05:48,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 13:05:48,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:05:48,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 13:05:48,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-10-13 13:05:48,913 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 11 states. [2020-10-13 13:05:49,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:05:49,004 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2020-10-13 13:05:49,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 13:05:49,005 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 31 [2020-10-13 13:05:49,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:05:49,007 INFO L225 Difference]: With dead ends: 31 [2020-10-13 13:05:49,007 INFO L226 Difference]: Without dead ends: 27 [2020-10-13 13:05:49,008 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-10-13 13:05:49,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-13 13:05:49,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-13 13:05:49,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-13 13:05:49,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2020-10-13 13:05:49,026 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 31 [2020-10-13 13:05:49,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:05:49,026 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2020-10-13 13:05:49,026 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 13:05:49,027 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2020-10-13 13:05:49,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-13 13:05:49,030 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:05:49,031 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:05:49,031 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 13:05:49,031 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:05:49,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:05:49,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1080764669, now seen corresponding path program 4 times [2020-10-13 13:05:49,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:05:49,033 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1312305451] [2020-10-13 13:05:49,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:05:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:49,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:49,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:49,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-13 13:05:49,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:49,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-10-13 13:05:49,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:49,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:05:49,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-13 13:05:49,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 13:05:49,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:49,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:05:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:49,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:49,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:49,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:05:49,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:49,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:05:49,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:49,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:49,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:49,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:49,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:49,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:05:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:49,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:49,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:49,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 13:05:49,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:49,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-10-13 13:05:49,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:49,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:05:49,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:49,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:05:49,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:49,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:49,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:49,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:49,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 13:05:49,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:49,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-13 13:05:49,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:49,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:05:49,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:49,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 13:05:49,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:49,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:49,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:49,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:49,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 13:05:49,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:49,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-13 13:05:49,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:49,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:05:49,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:49,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 13:05:49,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:49,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:49,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:49,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:49,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 13:05:49,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:49,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 13:05:49,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:49,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:05:49,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:49,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:05:49,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:49,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:49,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:49,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:49,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:49,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:49,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:05:49,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:49,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:05:49,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:49,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:05:49,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:49,879 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-13 13:05:49,880 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1312305451] [2020-10-13 13:05:49,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:05:49,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 13:05:49,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643032767] [2020-10-13 13:05:49,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 13:05:49,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:05:49,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 13:05:49,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-10-13 13:05:49,882 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 13 states. [2020-10-13 13:05:49,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:05:49,960 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2020-10-13 13:05:49,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 13:05:49,960 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 37 [2020-10-13 13:05:49,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:05:49,962 INFO L225 Difference]: With dead ends: 34 [2020-10-13 13:05:49,962 INFO L226 Difference]: Without dead ends: 30 [2020-10-13 13:05:49,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-10-13 13:05:49,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-13 13:05:49,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-13 13:05:49,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-13 13:05:49,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2020-10-13 13:05:49,970 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 37 [2020-10-13 13:05:49,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:05:49,970 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2020-10-13 13:05:49,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 13:05:49,970 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2020-10-13 13:05:49,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-13 13:05:49,972 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:05:49,972 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:05:49,972 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 13:05:49,972 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:05:49,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:05:49,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1752970513, now seen corresponding path program 5 times [2020-10-13 13:05:49,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:05:49,973 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [972594732] [2020-10-13 13:05:49,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:05:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:49,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:50,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:50,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 13:05:50,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:50,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-10-13 13:05:50,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:50,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 13:05:50,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-13 13:05:50,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 13:05:50,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:50,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:05:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:50,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:50,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:50,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:05:50,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:50,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:50,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:50,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:50,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:50,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:50,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:50,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:05:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:50,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:50,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:50,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:05:50,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:50,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 238 [2020-10-13 13:05:50,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:50,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 13:05:50,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:50,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 13:05:50,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:50,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:50,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:50,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:50,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 13:05:50,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:50,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-13 13:05:50,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:50,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:05:50,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:50,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:05:50,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:50,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:50,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:50,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:50,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:50,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 13:05:50,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:50,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-13 13:05:50,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:50,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:05:50,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:50,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 13:05:50,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 13:05:50,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:50,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:51,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:51,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 13:05:51,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:51,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-13 13:05:51,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:51,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:05:51,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:51,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 13:05:51,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:51,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:51,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:51,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:51,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 13:05:51,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:51,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 13:05:51,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:51,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:05:51,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:51,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:05:51,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:51,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:51,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:51,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:51,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:51,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:51,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:05:51,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:51,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:05:51,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:51,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:05:51,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:51,275 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-13 13:05:51,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [972594732] [2020-10-13 13:05:51,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:05:51,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-13 13:05:51,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474631351] [2020-10-13 13:05:51,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-13 13:05:51,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:05:51,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-13 13:05:51,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2020-10-13 13:05:51,279 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 15 states. [2020-10-13 13:05:51,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:05:51,418 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2020-10-13 13:05:51,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 13:05:51,419 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 43 [2020-10-13 13:05:51,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:05:51,420 INFO L225 Difference]: With dead ends: 37 [2020-10-13 13:05:51,420 INFO L226 Difference]: Without dead ends: 33 [2020-10-13 13:05:51,421 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2020-10-13 13:05:51,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-13 13:05:51,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-13 13:05:51,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-13 13:05:51,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2020-10-13 13:05:51,429 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 43 [2020-10-13 13:05:51,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:05:51,430 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2020-10-13 13:05:51,430 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-13 13:05:51,430 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2020-10-13 13:05:51,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-13 13:05:51,431 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:05:51,432 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:05:51,432 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 13:05:51,432 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:05:51,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:05:51,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1590630787, now seen corresponding path program 6 times [2020-10-13 13:05:51,433 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:05:51,434 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1474264519] [2020-10-13 13:05:51,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:05:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:51,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:51,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:51,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-13 13:05:51,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:51,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 326 [2020-10-13 13:05:51,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:51,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-13 13:05:51,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-13 13:05:51,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 13:05:51,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:51,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:05:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:51,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:51,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:51,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:05:51,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:51,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:51,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:51,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:51,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:51,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:51,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:51,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:05:51,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:51,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:52,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:52,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 13:05:52,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:52,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 268 [2020-10-13 13:05:52,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:52,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 13:05:52,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:52,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 13:05:52,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:52,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:52,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:52,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:52,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:05:52,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:52,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-13 13:05:52,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:52,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 13:05:52,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:52,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 13:05:52,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:52,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:52,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:52,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:52,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 13:05:52,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:52,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-13 13:05:52,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:52,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:05:52,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:52,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:05:52,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:52,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:52,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:52,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:52,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 13:05:52,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:52,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-13 13:05:52,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:52,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:05:52,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:52,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 13:05:52,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:52,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:52,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:52,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:52,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 13:05:52,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:52,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-13 13:05:52,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:52,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:05:52,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:52,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 13:05:52,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:52,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:52,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:52,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:52,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 13:05:52,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:52,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 13:05:52,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:52,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:05:52,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:52,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:05:52,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:52,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:52,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:52,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:52,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:52,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:52,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:05:52,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:52,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:05:52,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:52,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:05:52,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:52,952 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-10-13 13:05:52,953 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1474264519] [2020-10-13 13:05:52,953 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:05:52,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-13 13:05:52,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998025655] [2020-10-13 13:05:52,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-13 13:05:52,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:05:52,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-13 13:05:52,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2020-10-13 13:05:52,955 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 17 states. [2020-10-13 13:05:53,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:05:53,084 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2020-10-13 13:05:53,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 13:05:53,085 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 49 [2020-10-13 13:05:53,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:05:53,086 INFO L225 Difference]: With dead ends: 40 [2020-10-13 13:05:53,086 INFO L226 Difference]: Without dead ends: 36 [2020-10-13 13:05:53,087 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2020-10-13 13:05:53,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-10-13 13:05:53,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-10-13 13:05:53,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-13 13:05:53,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2020-10-13 13:05:53,094 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 49 [2020-10-13 13:05:53,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:05:53,094 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2020-10-13 13:05:53,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-13 13:05:53,094 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2020-10-13 13:05:53,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-13 13:05:53,095 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:05:53,096 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:05:53,096 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 13:05:53,096 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:05:53,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:05:53,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1532150511, now seen corresponding path program 7 times [2020-10-13 13:05:53,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:05:53,097 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1557434276] [2020-10-13 13:05:53,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:05:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:53,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:53,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:53,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 13:05:53,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:53,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 420 [2020-10-13 13:05:53,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:53,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-13 13:05:53,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-13 13:05:53,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 13:05:53,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:53,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:05:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:53,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:53,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:53,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:05:53,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:53,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:53,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:53,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:53,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:53,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:53,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:53,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:05:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:53,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:53,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:53,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 13:05:53,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:53,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 356 [2020-10-13 13:05:53,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:53,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-13 13:05:53,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:53,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-13 13:05:53,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:53,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:54,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:54,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:54,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 13:05:54,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:54,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-10-13 13:05:54,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:54,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 13:05:54,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:54,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 13:05:54,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:54,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:54,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:54,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:54,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:05:54,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:54,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-13 13:05:54,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:54,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 13:05:54,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:54,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 13:05:54,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:54,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:54,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:54,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:54,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 13:05:54,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:54,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-13 13:05:54,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:54,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:05:54,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:54,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:05:54,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:54,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:54,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:54,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:54,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 13:05:54,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:54,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-13 13:05:54,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:54,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:05:54,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:54,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 13:05:54,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:54,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:54,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:54,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:54,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 13:05:54,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:54,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 13:05:54,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:54,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:05:54,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:54,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 13:05:54,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:54,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:54,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:54,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:54,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 13:05:54,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:54,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 13:05:54,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:54,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:05:54,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:54,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:05:54,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:55,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:55,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:55,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:55,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:55,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:55,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:05:55,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:55,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:05:55,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:55,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:05:55,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:55,107 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-13 13:05:55,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1557434276] [2020-10-13 13:05:55,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:05:55,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-13 13:05:55,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436804123] [2020-10-13 13:05:55,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-13 13:05:55,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:05:55,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-13 13:05:55,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2020-10-13 13:05:55,112 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand 19 states. [2020-10-13 13:05:55,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:05:55,315 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2020-10-13 13:05:55,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 13:05:55,316 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 55 [2020-10-13 13:05:55,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:05:55,317 INFO L225 Difference]: With dead ends: 43 [2020-10-13 13:05:55,317 INFO L226 Difference]: Without dead ends: 39 [2020-10-13 13:05:55,319 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2020-10-13 13:05:55,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-13 13:05:55,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-10-13 13:05:55,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-13 13:05:55,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2020-10-13 13:05:55,330 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 55 [2020-10-13 13:05:55,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:05:55,334 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2020-10-13 13:05:55,334 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-13 13:05:55,334 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2020-10-13 13:05:55,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-13 13:05:55,335 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:05:55,336 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:05:55,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 13:05:55,336 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:05:55,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:05:55,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1140618237, now seen corresponding path program 8 times [2020-10-13 13:05:55,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:05:55,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1724680001] [2020-10-13 13:05:55,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:05:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:55,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:55,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:55,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 13:05:55,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:55,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 480 [2020-10-13 13:05:55,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:55,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-13 13:05:55,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-13 13:05:55,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 13:05:55,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:55,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:05:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:55,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:55,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:55,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:05:55,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:55,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:55,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:55,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:55,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:55,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:55,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:55,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:05:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:55,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:56,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:56,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 13:05:56,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:56,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 485 [2020-10-13 13:05:56,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:56,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-13 13:05:56,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:56,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 13:05:56,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:56,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:56,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:56,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:56,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 13:05:56,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:56,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 420 [2020-10-13 13:05:56,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:56,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-13 13:05:56,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:56,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-13 13:05:56,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:56,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:56,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:57,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:57,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 13:05:57,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:57,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-13 13:05:57,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:57,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 13:05:57,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:57,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 13:05:57,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:57,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:57,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:57,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:57,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:05:57,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:57,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-13 13:05:57,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:57,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 13:05:57,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:57,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 13:05:57,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:57,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:57,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:57,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:57,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 13:05:57,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:57,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-10-13 13:05:57,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:57,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:05:57,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:57,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:05:57,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:57,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:57,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:57,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:57,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 13:05:57,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:57,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-13 13:05:57,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:57,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:05:57,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:57,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 13:05:57,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:57,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:57,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:57,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:57,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 13:05:57,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:57,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 13:05:57,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:57,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:05:57,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:57,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 13:05:57,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:57,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:57,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:57,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:57,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 13:05:57,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:57,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 13:05:57,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:57,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:05:57,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:57,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:05:57,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:57,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:57,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:57,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:57,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:57,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:57,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 13:05:57,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:57,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:05:57,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:57,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:05:57,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:57,931 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-10-13 13:05:57,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1724680001] [2020-10-13 13:05:57,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:05:57,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-13 13:05:57,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365495436] [2020-10-13 13:05:57,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-13 13:05:57,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:05:57,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-13 13:05:57,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2020-10-13 13:05:57,939 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 21 states. [2020-10-13 13:05:58,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:05:58,126 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2020-10-13 13:05:58,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 13:05:58,127 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 61 [2020-10-13 13:05:58,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:05:58,128 INFO L225 Difference]: With dead ends: 46 [2020-10-13 13:05:58,128 INFO L226 Difference]: Without dead ends: 42 [2020-10-13 13:05:58,130 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2020-10-13 13:05:58,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-13 13:05:58,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-10-13 13:05:58,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-13 13:05:58,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2020-10-13 13:05:58,140 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 61 [2020-10-13 13:05:58,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:05:58,140 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2020-10-13 13:05:58,140 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-13 13:05:58,140 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2020-10-13 13:05:58,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-13 13:05:58,142 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:05:58,142 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:05:58,143 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 13:05:58,143 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:05:58,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:05:58,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1749177617, now seen corresponding path program 9 times [2020-10-13 13:05:58,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:05:58,144 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1049403618] [2020-10-13 13:05:58,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:05:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:58,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:58,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:58,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-13 13:05:58,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:58,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 594 [2020-10-13 13:05:58,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:58,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-13 13:05:58,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-13 13:05:58,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-13 13:05:58,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:58,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:05:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:58,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:58,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:58,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:05:58,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:58,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:05:58,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:58,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:58,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:58,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:58,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:58,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:05:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:58,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:59,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:59,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 13:05:59,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:59,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 527 [2020-10-13 13:05:59,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:59,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-13 13:05:59,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:59,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:05:59,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:59,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:59,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:59,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:59,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 13:05:59,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:59,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 376 [2020-10-13 13:05:59,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:59,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-13 13:05:59,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:59,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 13:05:59,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:59,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:05:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:59,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:00,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:00,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 13:06:00,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:00,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 285 [2020-10-13 13:06:00,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:00,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-13 13:06:00,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:00,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-13 13:06:00,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:00,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:00,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:00,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:00,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 13:06:00,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:00,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-13 13:06:00,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:00,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 13:06:00,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:00,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 13:06:00,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:00,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:00,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:00,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:00,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:06:00,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:00,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-13 13:06:00,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:00,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 13:06:00,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:00,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 13:06:00,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:00,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:00,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:00,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:00,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 13:06:00,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:00,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-13 13:06:00,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:00,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:06:00,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:00,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:06:00,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:00,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:00,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:00,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:00,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 13:06:00,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:00,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-13 13:06:00,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:00,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:06:00,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:00,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 13:06:00,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:00,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:00,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:00,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:00,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 13:06:00,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:00,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 13:06:00,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:00,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:06:00,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:00,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 13:06:00,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:00,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:00,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:01,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:01,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 13:06:01,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:01,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 13:06:01,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:01,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:06:01,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:01,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:06:01,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:01,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:01,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:01,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:01,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:01,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:01,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:06:01,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:01,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:06:01,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:01,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:06:01,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:01,145 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-10-13 13:06:01,146 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1049403618] [2020-10-13 13:06:01,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:06:01,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-13 13:06:01,147 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776669772] [2020-10-13 13:06:01,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-13 13:06:01,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:06:01,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-13 13:06:01,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2020-10-13 13:06:01,148 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand 23 states. [2020-10-13 13:06:01,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:06:01,362 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2020-10-13 13:06:01,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-13 13:06:01,363 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 67 [2020-10-13 13:06:01,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:06:01,364 INFO L225 Difference]: With dead ends: 49 [2020-10-13 13:06:01,364 INFO L226 Difference]: Without dead ends: 45 [2020-10-13 13:06:01,368 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2020-10-13 13:06:01,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-13 13:06:01,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-10-13 13:06:01,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-13 13:06:01,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2020-10-13 13:06:01,378 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 67 [2020-10-13 13:06:01,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:06:01,379 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2020-10-13 13:06:01,379 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-13 13:06:01,379 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2020-10-13 13:06:01,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-13 13:06:01,380 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:06:01,380 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:06:01,381 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 13:06:01,381 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:06:01,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:06:01,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1580609155, now seen corresponding path program 10 times [2020-10-13 13:06:01,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:06:01,382 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1257763455] [2020-10-13 13:06:01,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:06:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:01,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:02,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:02,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-13 13:06:02,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:02,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 630 [2020-10-13 13:06:02,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:02,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-13 13:06:02,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-13 13:06:02,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-13 13:06:02,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:02,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:06:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:02,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:02,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:02,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:06:02,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:02,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:02,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:02,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:02,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:02,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:02,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:02,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:06:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:02,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:02,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:02,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 13:06:02,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:02,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 718 [2020-10-13 13:06:02,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:02,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-13 13:06:02,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:02,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 13:06:02,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:02,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:02,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:03,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:03,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 13:06:03,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:03,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 496 [2020-10-13 13:06:03,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:03,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-13 13:06:03,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:03,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:06:03,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:03,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:03,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:03,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:03,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 13:06:03,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:03,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 331 [2020-10-13 13:06:03,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:03,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-13 13:06:03,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:03,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 13:06:03,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:03,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:03,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:04,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:04,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 13:06:04,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:04,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 236 [2020-10-13 13:06:04,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:04,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-13 13:06:04,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:04,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-13 13:06:04,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:04,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:04,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:04,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:04,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 13:06:04,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:04,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-10-13 13:06:04,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:04,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 13:06:04,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:04,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 13:06:04,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:04,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:04,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:04,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:04,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:06:04,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:04,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-13 13:06:04,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:04,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 13:06:04,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:04,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 13:06:04,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:04,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:04,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:04,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:04,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 13:06:04,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:04,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-13 13:06:04,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:04,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:06:04,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:04,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:06:04,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:04,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:04,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:04,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:04,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 13:06:04,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:04,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 13:06:04,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:04,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:06:04,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:04,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 13:06:04,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:04,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:04,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:04,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:04,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 13:06:04,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:04,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 13:06:04,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:04,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:06:04,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:04,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 13:06:04,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:04,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:04,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:04,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:04,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 13:06:04,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:04,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 13:06:04,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:04,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:06:04,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:04,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:06:04,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:04,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:04,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:04,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:04,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:04,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:04,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:04,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:06:04,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:04,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:06:04,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:04,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:06:04,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:04,914 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-10-13 13:06:04,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1257763455] [2020-10-13 13:06:04,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:06:04,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-13 13:06:04,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395695988] [2020-10-13 13:06:04,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-13 13:06:04,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:06:04,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-13 13:06:04,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=553, Unknown=0, NotChecked=0, Total=600 [2020-10-13 13:06:04,917 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 25 states. [2020-10-13 13:06:05,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:06:05,146 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions. [2020-10-13 13:06:05,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-13 13:06:05,147 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 73 [2020-10-13 13:06:05,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:06:05,148 INFO L225 Difference]: With dead ends: 52 [2020-10-13 13:06:05,148 INFO L226 Difference]: Without dead ends: 48 [2020-10-13 13:06:05,149 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=553, Unknown=0, NotChecked=0, Total=600 [2020-10-13 13:06:05,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-13 13:06:05,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-10-13 13:06:05,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-13 13:06:05,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 49 transitions. [2020-10-13 13:06:05,155 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 49 transitions. Word has length 73 [2020-10-13 13:06:05,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:06:05,155 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 49 transitions. [2020-10-13 13:06:05,155 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-13 13:06:05,155 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2020-10-13 13:06:05,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-13 13:06:05,156 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:06:05,157 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:06:05,157 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 13:06:05,157 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:06:05,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:06:05,157 INFO L82 PathProgramCache]: Analyzing trace with hash -223837457, now seen corresponding path program 11 times [2020-10-13 13:06:05,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:06:05,158 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [326311452] [2020-10-13 13:06:05,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:06:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:05,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:05,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:05,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-13 13:06:05,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:05,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 722 [2020-10-13 13:06:05,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:05,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-13 13:06:05,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-13 13:06:05,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-13 13:06:05,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:05,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:06:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:05,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:05,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:05,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:06:05,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:05,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:05,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:05,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:05,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:05,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:05,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:05,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:06:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:05,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:06,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:06,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-13 13:06:06,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:06,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 728 [2020-10-13 13:06:06,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:06,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-13 13:06:06,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:06,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 13:06:06,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:06,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:06,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:07,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:07,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 13:06:07,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:07,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 531 [2020-10-13 13:06:07,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:07,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-13 13:06:07,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:07,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 13:06:07,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:07,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:07,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:07,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:07,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 13:06:07,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:07,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 396 [2020-10-13 13:06:07,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:07,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-13 13:06:07,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:07,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:06:07,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:07,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:07,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:08,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:08,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 13:06:08,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:08,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 330 [2020-10-13 13:06:08,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:08,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-13 13:06:08,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:08,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 13:06:08,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:08,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:08,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:08,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:08,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 13:06:08,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:08,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-10-13 13:06:08,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:08,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-13 13:06:08,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:08,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-13 13:06:08,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:08,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:08,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:08,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:08,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 13:06:08,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:08,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-13 13:06:08,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:08,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 13:06:08,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:08,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 13:06:08,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:08,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:08,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:08,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:08,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:06:08,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:08,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-13 13:06:08,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:08,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 13:06:08,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:08,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 13:06:08,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:08,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:08,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:08,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:08,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 13:06:08,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:08,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-13 13:06:08,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:08,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:06:08,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:08,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:06:08,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:08,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:08,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:09,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:09,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 13:06:09,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:09,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-13 13:06:09,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:09,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:06:09,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:09,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 13:06:09,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:09,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:09,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:09,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:09,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 13:06:09,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:09,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 13:06:09,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:09,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:06:09,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:09,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 13:06:09,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:09,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:09,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:09,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:09,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 13:06:09,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:09,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 13:06:09,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:09,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:06:09,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:09,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:06:09,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:09,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:09,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:09,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:09,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:09,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:09,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:06:09,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:09,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:06:09,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:09,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:06:09,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:09,347 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2020-10-13 13:06:09,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [326311452] [2020-10-13 13:06:09,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:06:09,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-13 13:06:09,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859364870] [2020-10-13 13:06:09,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-13 13:06:09,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:06:09,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-13 13:06:09,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2020-10-13 13:06:09,350 INFO L87 Difference]: Start difference. First operand 48 states and 49 transitions. Second operand 27 states. [2020-10-13 13:06:09,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:06:09,619 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2020-10-13 13:06:09,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-13 13:06:09,620 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 79 [2020-10-13 13:06:09,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:06:09,621 INFO L225 Difference]: With dead ends: 55 [2020-10-13 13:06:09,621 INFO L226 Difference]: Without dead ends: 51 [2020-10-13 13:06:09,625 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2020-10-13 13:06:09,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-13 13:06:09,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-10-13 13:06:09,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-13 13:06:09,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2020-10-13 13:06:09,632 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 79 [2020-10-13 13:06:09,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:06:09,633 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2020-10-13 13:06:09,633 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-13 13:06:09,633 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2020-10-13 13:06:09,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-13 13:06:09,635 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:06:09,635 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:06:09,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 13:06:09,636 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:06:09,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:06:09,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1653931773, now seen corresponding path program 12 times [2020-10-13 13:06:09,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:06:09,637 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1523995026] [2020-10-13 13:06:09,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:06:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:09,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:10,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:10,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-13 13:06:10,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:10,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1196 [2020-10-13 13:06:10,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:10,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-13 13:06:10,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-13 13:06:10,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-13 13:06:10,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:10,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:06:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:10,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:10,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:10,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:06:10,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:10,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:06:10,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:10,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:10,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:10,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:10,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:10,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:06:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:10,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:11,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:11,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-13 13:06:11,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:11,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 819 [2020-10-13 13:06:11,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:11,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-13 13:06:11,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:11,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-13 13:06:11,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:11,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:11,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:12,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:12,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-13 13:06:12,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:12,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 534 [2020-10-13 13:06:12,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:12,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-13 13:06:12,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:12,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 13:06:12,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:12,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:12,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:12,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:12,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 13:06:12,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:12,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 395 [2020-10-13 13:06:12,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:12,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-13 13:06:12,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:12,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 13:06:12,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:12,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:12,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:13,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:13,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 13:06:13,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:13,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 270 [2020-10-13 13:06:13,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:13,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-13 13:06:13,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:13,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:06:13,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:13,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:13,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:13,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:13,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 13:06:13,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:13,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 182 [2020-10-13 13:06:13,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:13,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-13 13:06:13,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:13,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 13:06:13,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:13,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:13,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:13,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:13,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 13:06:13,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:13,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-10-13 13:06:13,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:13,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-13 13:06:13,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:13,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-13 13:06:13,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:13,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:13,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:13,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:13,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 13:06:13,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:13,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-13 13:06:13,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:13,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 13:06:13,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:13,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 13:06:13,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:13,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:13,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:13,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:13,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:06:13,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:13,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-13 13:06:13,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:13,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 13:06:13,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:13,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 13:06:13,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:13,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:13,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:13,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:13,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 13:06:13,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:13,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 13:06:13,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:13,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:06:13,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:13,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:06:13,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:14,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:14,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:14,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:14,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 13:06:14,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:14,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 13:06:14,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:14,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:06:14,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:14,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 13:06:14,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:14,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:14,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:14,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:14,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 13:06:14,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:14,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 13:06:14,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:14,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:06:14,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:14,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 13:06:14,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:14,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:14,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:14,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:14,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 13:06:14,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:14,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:06:14,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:14,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:06:14,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:14,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:06:14,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:14,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:14,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:14,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:14,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:14,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:14,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:06:14,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:14,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:06:14,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:14,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:06:14,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:14,406 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2020-10-13 13:06:14,406 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1523995026] [2020-10-13 13:06:14,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:06:14,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-13 13:06:14,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802623909] [2020-10-13 13:06:14,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-13 13:06:14,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:06:14,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-13 13:06:14,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=757, Unknown=0, NotChecked=0, Total=812 [2020-10-13 13:06:14,411 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 29 states. [2020-10-13 13:06:14,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:06:14,779 INFO L93 Difference]: Finished difference Result 58 states and 59 transitions. [2020-10-13 13:06:14,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-13 13:06:14,779 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 85 [2020-10-13 13:06:14,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:06:14,781 INFO L225 Difference]: With dead ends: 58 [2020-10-13 13:06:14,781 INFO L226 Difference]: Without dead ends: 54 [2020-10-13 13:06:14,783 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=55, Invalid=757, Unknown=0, NotChecked=0, Total=812 [2020-10-13 13:06:14,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-13 13:06:14,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-10-13 13:06:14,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-13 13:06:14,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 55 transitions. [2020-10-13 13:06:14,789 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 55 transitions. Word has length 85 [2020-10-13 13:06:14,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:06:14,789 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 55 transitions. [2020-10-13 13:06:14,789 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-13 13:06:14,789 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 55 transitions. [2020-10-13 13:06:14,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-13 13:06:14,790 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:06:14,790 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:06:14,791 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 13:06:14,791 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:06:14,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:06:14,791 INFO L82 PathProgramCache]: Analyzing trace with hash -218674449, now seen corresponding path program 13 times [2020-10-13 13:06:14,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:06:14,792 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1509753492] [2020-10-13 13:06:14,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:06:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:14,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:15,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:15,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-13 13:06:15,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:15,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 995 [2020-10-13 13:06:15,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:15,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-13 13:06:15,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-13 13:06:15,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-13 13:06:15,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:15,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:06:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:15,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:15,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:15,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:06:15,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:15,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:15,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:15,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:15,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:15,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:15,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:15,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:06:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:15,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:16,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:16,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 13:06:16,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:16,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 574 [2020-10-13 13:06:16,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:16,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-13 13:06:16,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:16,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-13 13:06:16,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:16,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:16,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:16,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:16,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-13 13:06:16,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:16,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 478 [2020-10-13 13:06:16,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:16,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-13 13:06:16,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:16,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-13 13:06:16,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:16,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:16,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:17,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:17,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-13 13:06:17,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:17,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 414 [2020-10-13 13:06:17,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:17,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-13 13:06:17,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:17,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 13:06:17,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:17,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:17,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:17,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:17,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 13:06:17,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:17,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 303 [2020-10-13 13:06:17,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:17,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-13 13:06:17,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:17,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 13:06:17,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:17,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:17,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:18,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:18,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 13:06:18,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:18,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-13 13:06:18,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:18,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-13 13:06:18,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:18,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:06:18,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:18,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:18,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:18,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:18,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 13:06:18,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:18,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-10-13 13:06:18,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:18,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-13 13:06:18,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:18,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 13:06:18,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:18,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:18,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:18,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:18,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 13:06:18,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:18,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-13 13:06:18,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:18,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-13 13:06:18,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:18,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-13 13:06:18,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:18,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:18,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:18,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:18,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 13:06:18,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:18,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-13 13:06:18,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:18,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 13:06:18,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:18,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 13:06:18,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:18,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:18,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:18,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:18,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:06:18,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:18,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-13 13:06:18,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:18,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 13:06:18,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:18,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 13:06:18,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:18,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:18,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:18,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:18,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 13:06:18,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:18,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 13:06:18,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:18,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:06:18,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:18,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:06:18,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:18,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:18,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:18,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:18,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:18,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 13:06:18,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:18,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 13:06:18,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:18,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:06:18,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:18,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 13:06:18,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:19,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:19,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:19,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:19,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 13:06:19,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:19,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 13:06:19,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:19,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:06:19,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:19,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 13:06:19,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:19,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:19,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:19,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:19,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 13:06:19,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:19,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:06:19,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:19,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:06:19,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:19,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:06:19,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:19,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:19,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:19,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:19,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:19,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:19,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:06:19,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:19,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:06:19,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:19,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:06:19,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:19,300 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2020-10-13 13:06:19,301 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1509753492] [2020-10-13 13:06:19,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:06:19,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-13 13:06:19,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697020046] [2020-10-13 13:06:19,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-13 13:06:19,302 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:06:19,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-13 13:06:19,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=871, Unknown=0, NotChecked=0, Total=930 [2020-10-13 13:06:19,303 INFO L87 Difference]: Start difference. First operand 54 states and 55 transitions. Second operand 31 states. [2020-10-13 13:06:19,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:06:19,718 INFO L93 Difference]: Finished difference Result 61 states and 62 transitions. [2020-10-13 13:06:19,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-13 13:06:19,719 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 91 [2020-10-13 13:06:19,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:06:19,720 INFO L225 Difference]: With dead ends: 61 [2020-10-13 13:06:19,720 INFO L226 Difference]: Without dead ends: 57 [2020-10-13 13:06:19,721 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=59, Invalid=871, Unknown=0, NotChecked=0, Total=930 [2020-10-13 13:06:19,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-13 13:06:19,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-10-13 13:06:19,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-13 13:06:19,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 58 transitions. [2020-10-13 13:06:19,727 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 58 transitions. Word has length 91 [2020-10-13 13:06:19,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:06:19,728 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 58 transitions. [2020-10-13 13:06:19,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-13 13:06:19,728 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2020-10-13 13:06:19,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-13 13:06:19,729 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:06:19,729 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:06:19,729 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 13:06:19,729 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:06:19,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:06:19,730 INFO L82 PathProgramCache]: Analyzing trace with hash 492436605, now seen corresponding path program 14 times [2020-10-13 13:06:19,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:06:19,730 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [480372444] [2020-10-13 13:06:19,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:06:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:19,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:20,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:20,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 13:06:20,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:20,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1151 [2020-10-13 13:06:20,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:20,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-13 13:06:20,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-13 13:06:20,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-13 13:06:20,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:20,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:06:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:20,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:20,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:20,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:06:20,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:20,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:20,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:20,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:20,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:20,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:20,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:20,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:06:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:20,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:21,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:21,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-13 13:06:21,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:21,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 888 [2020-10-13 13:06:21,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:21,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-13 13:06:21,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:21,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-13 13:06:21,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:21,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:21,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:22,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:22,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 13:06:22,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:22,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 975 [2020-10-13 13:06:22,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:22,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-13 13:06:22,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:22,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-13 13:06:22,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:22,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:22,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:23,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:23,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-13 13:06:23,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:23,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 483 [2020-10-13 13:06:23,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:23,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-13 13:06:23,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:23,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-13 13:06:23,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:23,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:23,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:23,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:23,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-13 13:06:23,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:23,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 379 [2020-10-13 13:06:23,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:23,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-13 13:06:23,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:23,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 13:06:23,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:23,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:23,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:24,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:24,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 13:06:24,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:24,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-10-13 13:06:24,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:24,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-13 13:06:24,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:24,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 13:06:24,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:24,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:24,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:24,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:24,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 13:06:24,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:24,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 238 [2020-10-13 13:06:24,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:24,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-13 13:06:24,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:24,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:06:24,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:24,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:24,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:24,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:24,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 13:06:24,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:24,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-13 13:06:24,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:24,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-13 13:06:24,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:24,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 13:06:24,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:24,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:24,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:24,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:24,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 13:06:24,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:24,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-13 13:06:24,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:24,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-13 13:06:24,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:24,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-13 13:06:24,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:24,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:24,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:25,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:25,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 13:06:25,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:25,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-13 13:06:25,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:25,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 13:06:25,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:25,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 13:06:25,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:25,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:25,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:25,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:25,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:06:25,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:25,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 13:06:25,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:25,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 13:06:25,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:25,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 13:06:25,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:25,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:25,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:25,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:25,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:25,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 13:06:25,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:25,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 13:06:25,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:25,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:06:25,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:25,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:06:25,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:25,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:25,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:25,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:25,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 13:06:25,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:25,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 13:06:25,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:25,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:06:25,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:25,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 13:06:25,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:25,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:25,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:25,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:25,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 13:06:25,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:25,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 13:06:25,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:25,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:06:25,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:25,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 13:06:25,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:25,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:25,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:25,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:25,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 13:06:25,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:25,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 13:06:25,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:25,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:06:25,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:25,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:06:25,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:25,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:25,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:25,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:25,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:25,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:25,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:06:25,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:25,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:06:25,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:25,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:06:25,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:25,767 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2020-10-13 13:06:25,767 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [480372444] [2020-10-13 13:06:25,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:06:25,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-13 13:06:25,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686677231] [2020-10-13 13:06:25,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-13 13:06:25,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:06:25,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-13 13:06:25,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=993, Unknown=0, NotChecked=0, Total=1056 [2020-10-13 13:06:25,772 INFO L87 Difference]: Start difference. First operand 57 states and 58 transitions. Second operand 33 states. [2020-10-13 13:06:26,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:06:26,185 INFO L93 Difference]: Finished difference Result 64 states and 65 transitions. [2020-10-13 13:06:26,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-13 13:06:26,185 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 97 [2020-10-13 13:06:26,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:06:26,187 INFO L225 Difference]: With dead ends: 64 [2020-10-13 13:06:26,187 INFO L226 Difference]: Without dead ends: 60 [2020-10-13 13:06:26,189 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=63, Invalid=993, Unknown=0, NotChecked=0, Total=1056 [2020-10-13 13:06:26,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-13 13:06:26,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-10-13 13:06:26,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-13 13:06:26,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2020-10-13 13:06:26,194 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 97 [2020-10-13 13:06:26,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:06:26,195 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2020-10-13 13:06:26,195 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-13 13:06:26,195 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2020-10-13 13:06:26,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-13 13:06:26,196 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:06:26,196 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:06:26,196 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 13:06:26,196 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:06:26,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:06:26,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1083048687, now seen corresponding path program 15 times [2020-10-13 13:06:26,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:06:26,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1802752134] [2020-10-13 13:06:26,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:06:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:26,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:27,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:27,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-13 13:06:27,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:27,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 938 [2020-10-13 13:06:27,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:27,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-13 13:06:27,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-13 13:06:27,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-13 13:06:27,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:27,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:06:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:27,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:27,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:27,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:06:27,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:27,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:27,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:27,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:27,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:27,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:27,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:27,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:06:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:27,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:28,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:28,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 13:06:28,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:28,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 856 [2020-10-13 13:06:28,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:28,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-13 13:06:28,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:28,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-13 13:06:28,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:28,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:28,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:28,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:28,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-13 13:06:28,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:28,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 726 [2020-10-13 13:06:28,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:28,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-13 13:06:28,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:28,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-13 13:06:28,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:28,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:28,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:29,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:29,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 13:06:29,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:29,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 598 [2020-10-13 13:06:29,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:29,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-13 13:06:29,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:29,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-13 13:06:29,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:29,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:29,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:30,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:30,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-13 13:06:30,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:30,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 490 [2020-10-13 13:06:30,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:30,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-13 13:06:30,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:30,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-13 13:06:30,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:30,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:30,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:30,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:30,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-13 13:06:30,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:30,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 367 [2020-10-13 13:06:30,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:30,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-13 13:06:30,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:30,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 13:06:30,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:30,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:30,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:30,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:30,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 13:06:30,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:30,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 269 [2020-10-13 13:06:30,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:30,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-13 13:06:30,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:30,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 13:06:30,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:30,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:30,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:31,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:31,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 13:06:31,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:31,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-10-13 13:06:31,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:31,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-13 13:06:31,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:31,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:06:31,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:31,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:31,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:31,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:31,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 13:06:31,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:31,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-13 13:06:31,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:31,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-13 13:06:31,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:31,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 13:06:31,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:31,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:31,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:31,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:31,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 13:06:31,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:31,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-13 13:06:31,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:31,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-13 13:06:31,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:31,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-13 13:06:31,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:31,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:31,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:31,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:31,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 13:06:31,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:31,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-13 13:06:31,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:31,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 13:06:31,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:31,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 13:06:31,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:31,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:31,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:31,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:31,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:06:31,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:31,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-13 13:06:31,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:31,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 13:06:31,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:31,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 13:06:31,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:31,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:31,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:31,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:31,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 13:06:31,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:31,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 13:06:31,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:31,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:06:31,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:31,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:06:31,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:31,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:31,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:31,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:31,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 13:06:31,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:31,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 13:06:31,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:31,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:06:31,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:31,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 13:06:31,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:32,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:32,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:32,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:32,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 13:06:32,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:32,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 13:06:32,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:32,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:06:32,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:32,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 13:06:32,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:32,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:32,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:32,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:32,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 13:06:32,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:32,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:06:32,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:32,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:06:32,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:32,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:06:32,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:32,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:32,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:32,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:32,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:32,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:32,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:06:32,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:32,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:06:32,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:32,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:06:32,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:32,335 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2020-10-13 13:06:32,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1802752134] [2020-10-13 13:06:32,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:06:32,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-13 13:06:32,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911757218] [2020-10-13 13:06:32,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-13 13:06:32,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:06:32,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-13 13:06:32,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=1123, Unknown=0, NotChecked=0, Total=1190 [2020-10-13 13:06:32,338 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 35 states. [2020-10-13 13:06:32,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:06:32,848 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2020-10-13 13:06:32,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-13 13:06:32,849 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 103 [2020-10-13 13:06:32,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:06:32,850 INFO L225 Difference]: With dead ends: 67 [2020-10-13 13:06:32,851 INFO L226 Difference]: Without dead ends: 63 [2020-10-13 13:06:32,852 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=67, Invalid=1123, Unknown=0, NotChecked=0, Total=1190 [2020-10-13 13:06:32,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-13 13:06:32,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2020-10-13 13:06:32,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-13 13:06:32,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 64 transitions. [2020-10-13 13:06:32,857 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 64 transitions. Word has length 103 [2020-10-13 13:06:32,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:06:32,858 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 64 transitions. [2020-10-13 13:06:32,858 INFO L480 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-13 13:06:32,858 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2020-10-13 13:06:32,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-13 13:06:32,859 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:06:32,860 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:06:32,860 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 13:06:32,860 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:06:32,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:06:32,860 INFO L82 PathProgramCache]: Analyzing trace with hash 404015613, now seen corresponding path program 16 times [2020-10-13 13:06:32,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:06:32,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [904894425] [2020-10-13 13:06:32,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:06:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:32,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:34,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:34,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-13 13:06:34,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:34,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1128 [2020-10-13 13:06:34,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:34,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-13 13:06:34,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-13 13:06:34,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 13:06:34,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:34,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:06:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:34,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:34,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:34,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:06:34,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:34,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:34,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:34,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:34,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:34,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:34,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:34,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:06:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:34,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:35,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:35,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-13 13:06:35,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:35,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1026 [2020-10-13 13:06:35,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:35,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-13 13:06:35,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:35,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-13 13:06:35,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:35,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:35,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:36,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:36,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 13:06:36,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:36,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 874 [2020-10-13 13:06:36,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:36,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-13 13:06:36,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:36,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-13 13:06:36,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:36,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:36,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:36,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:36,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-13 13:06:36,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:36,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 740 [2020-10-13 13:06:36,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:36,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-13 13:06:36,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:36,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-13 13:06:36,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:36,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:36,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:37,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:37,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 13:06:37,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:37,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 566 [2020-10-13 13:06:37,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:37,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-13 13:06:37,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:37,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-13 13:06:37,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:37,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:37,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:37,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:37,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-13 13:06:37,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:37,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 500 [2020-10-13 13:06:37,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:37,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-13 13:06:37,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:37,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-13 13:06:37,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:37,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:38,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:38,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:38,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-13 13:06:38,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:38,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 375 [2020-10-13 13:06:38,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:38,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-13 13:06:38,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:38,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 13:06:38,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:38,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:38,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:38,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:38,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:38,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 13:06:38,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:38,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-10-13 13:06:38,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:38,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-13 13:06:38,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:38,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 13:06:38,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:38,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:38,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:38,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:38,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 13:06:38,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:38,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 211 [2020-10-13 13:06:38,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:38,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-13 13:06:38,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:38,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:06:38,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:39,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:39,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:39,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:39,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 13:06:39,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:39,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-13 13:06:39,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:39,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-13 13:06:39,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:39,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 13:06:39,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:39,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:39,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:39,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:39,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 13:06:39,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:39,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-13 13:06:39,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:39,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-13 13:06:39,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:39,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-13 13:06:39,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:39,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:39,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:39,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:39,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 13:06:39,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:39,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-13 13:06:39,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:39,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 13:06:39,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:39,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 13:06:39,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:39,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:39,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:39,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:39,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:06:39,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:39,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 13:06:39,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:39,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 13:06:39,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:39,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 13:06:39,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:39,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:39,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:39,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:39,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 13:06:39,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:39,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-13 13:06:39,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:39,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:06:39,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:39,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:06:39,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:39,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:39,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:39,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:39,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 13:06:39,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:39,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 13:06:39,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:39,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:06:39,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:39,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 13:06:39,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:40,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:40,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:40,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:40,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 13:06:40,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:40,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 13:06:40,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:40,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:06:40,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:40,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 13:06:40,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:40,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:40,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:40,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:40,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 13:06:40,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:40,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 13:06:40,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:40,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:06:40,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:40,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:06:40,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:40,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:40,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:40,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:40,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:40,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:40,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:06:40,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:40,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:06:40,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:40,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:06:40,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:40,320 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2020-10-13 13:06:40,320 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [904894425] [2020-10-13 13:06:40,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:06:40,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-10-13 13:06:40,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245226843] [2020-10-13 13:06:40,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-13 13:06:40,322 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:06:40,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-13 13:06:40,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=1261, Unknown=0, NotChecked=0, Total=1332 [2020-10-13 13:06:40,323 INFO L87 Difference]: Start difference. First operand 63 states and 64 transitions. Second operand 37 states. [2020-10-13 13:06:40,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:06:40,909 INFO L93 Difference]: Finished difference Result 70 states and 71 transitions. [2020-10-13 13:06:40,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-13 13:06:40,909 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 109 [2020-10-13 13:06:40,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:06:40,910 INFO L225 Difference]: With dead ends: 70 [2020-10-13 13:06:40,910 INFO L226 Difference]: Without dead ends: 66 [2020-10-13 13:06:40,911 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=71, Invalid=1261, Unknown=0, NotChecked=0, Total=1332 [2020-10-13 13:06:40,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-10-13 13:06:40,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-10-13 13:06:40,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-13 13:06:40,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 67 transitions. [2020-10-13 13:06:40,917 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 67 transitions. Word has length 109 [2020-10-13 13:06:40,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:06:40,918 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 67 transitions. [2020-10-13 13:06:40,918 INFO L480 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-10-13 13:06:40,918 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 67 transitions. [2020-10-13 13:06:40,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-13 13:06:40,919 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:06:40,919 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:06:40,919 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 13:06:40,920 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:06:40,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:06:40,920 INFO L82 PathProgramCache]: Analyzing trace with hash -464475409, now seen corresponding path program 17 times [2020-10-13 13:06:40,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:06:40,920 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1597740462] [2020-10-13 13:06:40,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:06:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:40,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:42,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:42,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-13 13:06:42,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:42,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1324 [2020-10-13 13:06:42,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:42,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-13 13:06:42,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-13 13:06:42,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-13 13:06:42,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:42,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:06:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:42,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:42,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:42,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:06:42,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:42,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:42,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:42,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:42,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:42,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:42,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:42,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:06:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:42,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:44,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:44,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 13:06:44,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:44,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1804 [2020-10-13 13:06:44,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:44,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-13 13:06:44,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:44,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-13 13:06:44,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:44,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:44,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:45,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:45,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-13 13:06:45,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:45,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1082 [2020-10-13 13:06:45,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:45,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-13 13:06:45,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:45,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-13 13:06:45,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:45,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:45,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:45,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:46,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:46,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 13:06:46,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:46,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 897 [2020-10-13 13:06:46,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:46,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-13 13:06:46,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:46,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-13 13:06:46,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:46,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:46,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:47,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:47,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-13 13:06:47,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:47,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 732 [2020-10-13 13:06:47,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:47,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-13 13:06:47,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:47,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-13 13:06:47,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:47,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:47,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:47,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:47,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 13:06:47,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:47,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 568 [2020-10-13 13:06:47,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:47,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-13 13:06:47,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:47,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-13 13:06:47,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:47,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:47,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:48,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:48,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-13 13:06:48,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:48,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 482 [2020-10-13 13:06:48,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:48,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-13 13:06:48,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:48,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-13 13:06:48,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:48,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:48,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:48,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:48,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-13 13:06:48,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:48,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 366 [2020-10-13 13:06:48,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:48,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-13 13:06:48,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:48,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 13:06:48,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:48,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:48,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:48,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:48,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 13:06:48,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:48,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-10-13 13:06:48,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:48,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-13 13:06:48,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:48,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 13:06:48,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:48,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:48,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:49,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:49,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 13:06:49,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:49,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 221 [2020-10-13 13:06:49,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:49,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-13 13:06:49,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:49,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:06:49,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:49,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:49,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:49,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:49,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 13:06:49,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:49,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-13 13:06:49,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:49,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-13 13:06:49,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:49,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 13:06:49,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:49,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:49,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:49,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:49,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:49,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 13:06:49,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:49,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-13 13:06:49,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:49,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-13 13:06:49,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:49,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-13 13:06:49,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:49,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:49,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:49,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:49,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 13:06:49,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:49,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-13 13:06:49,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:49,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 13:06:49,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:49,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 13:06:49,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:49,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:49,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:49,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:49,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:06:49,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:49,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-13 13:06:49,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:49,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 13:06:49,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:49,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 13:06:49,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:49,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:49,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:50,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:50,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 13:06:50,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:50,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 13:06:50,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:50,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:06:50,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:50,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:06:50,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:50,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:50,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:50,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:50,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 13:06:50,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:50,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 13:06:50,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:50,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:06:50,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:50,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 13:06:50,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:50,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:50,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:50,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:50,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 13:06:50,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:50,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 13:06:50,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:50,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:06:50,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:50,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 13:06:50,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:06:50,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:50,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:50,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:50,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 13:06:50,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:50,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:06:50,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:50,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:06:50,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:50,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:06:50,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:50,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:50,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:50,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:50,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:06:50,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:50,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:06:50,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:50,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:06:50,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:50,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:06:50,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:50,547 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2020-10-13 13:06:50,547 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1597740462] [2020-10-13 13:06:50,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:06:50,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2020-10-13 13:06:50,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980190231] [2020-10-13 13:06:50,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 39 states [2020-10-13 13:06:50,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:06:50,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2020-10-13 13:06:50,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1407, Unknown=0, NotChecked=0, Total=1482 [2020-10-13 13:06:50,552 INFO L87 Difference]: Start difference. First operand 66 states and 67 transitions. Second operand 39 states. [2020-10-13 13:06:51,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:06:51,160 INFO L93 Difference]: Finished difference Result 73 states and 74 transitions. [2020-10-13 13:06:51,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-13 13:06:51,160 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 115 [2020-10-13 13:06:51,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:06:51,162 INFO L225 Difference]: With dead ends: 73 [2020-10-13 13:06:51,162 INFO L226 Difference]: Without dead ends: 69 [2020-10-13 13:06:51,163 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=75, Invalid=1407, Unknown=0, NotChecked=0, Total=1482 [2020-10-13 13:06:51,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-13 13:06:51,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2020-10-13 13:06:51,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-13 13:06:51,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 70 transitions. [2020-10-13 13:06:51,168 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 70 transitions. Word has length 115 [2020-10-13 13:06:51,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:06:51,168 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 70 transitions. [2020-10-13 13:06:51,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 39 states. [2020-10-13 13:06:51,169 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2020-10-13 13:06:51,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-13 13:06:51,170 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:06:51,170 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:06:51,170 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 13:06:51,171 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:06:51,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:06:51,171 INFO L82 PathProgramCache]: Analyzing trace with hash 130115453, now seen corresponding path program 18 times [2020-10-13 13:06:51,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:06:51,171 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [528150623] [2020-10-13 13:06:51,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:06:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:51,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:52,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:52,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-13 13:06:52,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:52,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1553 [2020-10-13 13:06:52,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:52,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-13 13:06:52,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-13 13:06:52,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-13 13:06:52,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:52,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:06:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:52,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:52,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:52,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:06:52,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:52,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:06:52,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:52,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:06:52,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:52,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:06:52,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:52,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:06:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:52,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:54,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:54,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-13 13:06:54,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:54,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1479 [2020-10-13 13:06:54,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:54,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-13 13:06:54,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:54,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-13 13:06:54,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:54,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:54,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:55,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:55,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 13:06:55,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:55,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1237 [2020-10-13 13:06:55,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:55,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-13 13:06:55,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:55,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-13 13:06:55,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:55,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:55,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:56,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:56,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-13 13:06:56,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:56,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1052 [2020-10-13 13:06:56,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:56,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-13 13:06:56,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:56,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-13 13:06:56,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:56,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:56,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:57,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:57,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 13:06:57,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:57,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 859 [2020-10-13 13:06:57,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:57,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-13 13:06:57,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:57,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-13 13:06:57,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:57,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:57,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:58,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:58,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-13 13:06:58,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:58,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 709 [2020-10-13 13:06:58,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:58,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-13 13:06:58,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:58,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-13 13:06:58,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:58,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:58,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:58,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:58,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 13:06:58,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:58,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 570 [2020-10-13 13:06:58,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:58,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-13 13:06:58,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:58,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-13 13:06:58,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:59,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:59,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:59,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:59,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-13 13:06:59,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:59,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 462 [2020-10-13 13:06:59,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:59,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-13 13:06:59,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:59,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-13 13:06:59,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:59,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:59,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:06:59,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:06:59,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-13 13:06:59,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:06:59,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 359 [2020-10-13 13:06:59,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:06:59,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-13 13:06:59,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:06:59,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 13:06:59,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:06:59,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:06:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:06:59,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:00,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:00,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 13:07:00,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:00,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 284 [2020-10-13 13:07:00,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:00,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-13 13:07:00,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:00,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 13:07:00,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:00,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:00,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:00,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:00,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 13:07:00,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:00,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-10-13 13:07:00,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:00,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-13 13:07:00,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:00,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:07:00,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:00,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:00,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:00,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:00,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 13:07:00,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:00,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-13 13:07:00,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:00,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-13 13:07:00,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:00,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 13:07:00,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:00,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:00,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:00,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:00,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 13:07:00,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:00,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-13 13:07:00,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:00,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-13 13:07:00,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:00,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-13 13:07:00,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:01,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:01,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:01,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:01,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 13:07:01,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:01,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-13 13:07:01,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:01,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 13:07:01,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:01,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 13:07:01,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:01,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:01,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:01,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:01,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:01,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:07:01,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:01,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 13:07:01,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:01,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 13:07:01,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:01,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 13:07:01,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:01,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:01,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:01,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:01,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 13:07:01,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:01,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 13:07:01,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:01,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:07:01,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:01,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:07:01,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:01,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:01,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:01,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:01,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 13:07:01,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:01,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 13:07:01,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:01,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:07:01,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:01,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 13:07:01,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:01,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:01,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:01,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:01,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:01,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 13:07:01,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:01,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 13:07:01,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:01,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:07:01,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:01,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 13:07:01,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:07:01,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:01,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:01,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:01,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 13:07:01,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:01,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:07:01,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:01,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:07:01,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:01,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:07:01,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:07:01,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:01,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:01,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:01,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:07:01,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:01,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:07:01,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:01,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:07:01,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:01,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:07:01,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:01,989 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2020-10-13 13:07:01,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [528150623] [2020-10-13 13:07:01,990 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:07:01,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2020-10-13 13:07:01,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657539431] [2020-10-13 13:07:01,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2020-10-13 13:07:01,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:07:01,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2020-10-13 13:07:01,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1561, Unknown=0, NotChecked=0, Total=1640 [2020-10-13 13:07:01,992 INFO L87 Difference]: Start difference. First operand 69 states and 70 transitions. Second operand 41 states. [2020-10-13 13:07:02,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:07:02,697 INFO L93 Difference]: Finished difference Result 76 states and 77 transitions. [2020-10-13 13:07:02,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-13 13:07:02,698 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 121 [2020-10-13 13:07:02,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:07:02,699 INFO L225 Difference]: With dead ends: 76 [2020-10-13 13:07:02,700 INFO L226 Difference]: Without dead ends: 72 [2020-10-13 13:07:02,701 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=79, Invalid=1561, Unknown=0, NotChecked=0, Total=1640 [2020-10-13 13:07:02,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-13 13:07:02,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-10-13 13:07:02,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-13 13:07:02,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 73 transitions. [2020-10-13 13:07:02,706 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 73 transitions. Word has length 121 [2020-10-13 13:07:02,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:07:02,707 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 73 transitions. [2020-10-13 13:07:02,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 41 states. [2020-10-13 13:07:02,707 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 73 transitions. [2020-10-13 13:07:02,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-13 13:07:02,708 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:07:02,708 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:07:02,709 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-13 13:07:02,709 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:07:02,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:07:02,709 INFO L82 PathProgramCache]: Analyzing trace with hash -2010955025, now seen corresponding path program 19 times [2020-10-13 13:07:02,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:07:02,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1344191285] [2020-10-13 13:07:02,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:07:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:02,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:04,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:04,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-13 13:07:04,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:04,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1877 [2020-10-13 13:07:04,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:04,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-13 13:07:04,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-13 13:07:04,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-13 13:07:04,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:04,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:07:04,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:04,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:04,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:04,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:07:04,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:04,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:07:04,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:04,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:07:04,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:04,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:07:04,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:07:04,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:07:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:04,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:06,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:06,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-13 13:07:06,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:06,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1678 [2020-10-13 13:07:06,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:06,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-13 13:07:06,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:06,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-13 13:07:06,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:06,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:06,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:07,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:07,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-13 13:07:07,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:07,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1444 [2020-10-13 13:07:07,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:07,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-13 13:07:07,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:07,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-13 13:07:07,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:07,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:07,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:09,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:09,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 13:07:09,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:09,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1228 [2020-10-13 13:07:09,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:09,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-13 13:07:09,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:09,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-13 13:07:09,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:09,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:09,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:10,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:10,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-13 13:07:10,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:10,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1012 [2020-10-13 13:07:10,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:10,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-13 13:07:10,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:10,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-13 13:07:10,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:10,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:10,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:11,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:11,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 13:07:11,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:11,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 858 [2020-10-13 13:07:11,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:11,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-13 13:07:11,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:11,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-13 13:07:11,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:11,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:11,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:11,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:11,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-13 13:07:11,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:11,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 756 [2020-10-13 13:07:11,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:11,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-13 13:07:11,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:11,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-13 13:07:11,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:11,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:11,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:12,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:12,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 13:07:12,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:12,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 551 [2020-10-13 13:07:12,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:12,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-13 13:07:12,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:12,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-13 13:07:12,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:12,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:12,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:13,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:13,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-13 13:07:13,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:13,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 472 [2020-10-13 13:07:13,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:13,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-13 13:07:13,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:13,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-13 13:07:13,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:13,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:13,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:13,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:13,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-13 13:07:13,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:13,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 363 [2020-10-13 13:07:13,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:13,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-13 13:07:13,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:13,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 13:07:13,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:13,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:13,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:13,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:13,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 13:07:13,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:13,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-10-13 13:07:13,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:13,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-13 13:07:13,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:13,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 13:07:13,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:13,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:13,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:14,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:14,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 13:07:14,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:14,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228 [2020-10-13 13:07:14,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:14,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-13 13:07:14,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:14,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:07:14,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:14,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:14,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:14,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:14,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 13:07:14,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:14,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-13 13:07:14,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:14,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-13 13:07:14,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:14,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 13:07:14,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:14,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:14,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:14,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:14,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 13:07:14,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:14,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-13 13:07:14,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:14,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-13 13:07:14,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:14,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-13 13:07:14,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:14,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:14,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:14,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:14,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 13:07:14,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:14,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-13 13:07:14,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:14,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 13:07:14,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:14,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 13:07:14,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:14,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:14,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:14,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:14,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:07:14,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:14,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-13 13:07:14,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:14,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 13:07:14,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:14,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 13:07:14,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:14,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:14,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:15,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:15,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 13:07:15,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:15,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 13:07:15,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:15,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:07:15,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:15,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:07:15,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:15,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:15,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:15,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:15,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 13:07:15,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:15,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 13:07:15,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:15,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:07:15,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:15,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 13:07:15,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:15,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:15,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:15,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:15,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 13:07:15,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:15,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 13:07:15,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:15,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:07:15,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:15,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 13:07:15,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:15,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:15,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:15,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:15,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 13:07:15,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:15,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:07:15,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:15,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:07:15,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:15,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:07:15,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:15,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:15,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:15,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:15,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:07:15,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:15,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:07:15,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:15,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:07:15,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:15,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:07:15,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:15,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2020-10-13 13:07:15,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1344191285] [2020-10-13 13:07:15,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:07:15,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2020-10-13 13:07:15,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672394575] [2020-10-13 13:07:15,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 43 states [2020-10-13 13:07:15,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:07:15,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2020-10-13 13:07:15,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2020-10-13 13:07:15,659 INFO L87 Difference]: Start difference. First operand 72 states and 73 transitions. Second operand 43 states. [2020-10-13 13:07:16,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:07:16,460 INFO L93 Difference]: Finished difference Result 79 states and 80 transitions. [2020-10-13 13:07:16,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-13 13:07:16,461 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 127 [2020-10-13 13:07:16,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:07:16,462 INFO L225 Difference]: With dead ends: 79 [2020-10-13 13:07:16,463 INFO L226 Difference]: Without dead ends: 75 [2020-10-13 13:07:16,464 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2020-10-13 13:07:16,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-13 13:07:16,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-10-13 13:07:16,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-13 13:07:16,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 76 transitions. [2020-10-13 13:07:16,471 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 76 transitions. Word has length 127 [2020-10-13 13:07:16,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:07:16,471 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 76 transitions. [2020-10-13 13:07:16,471 INFO L480 AbstractCegarLoop]: Interpolant automaton has 43 states. [2020-10-13 13:07:16,471 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2020-10-13 13:07:16,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-13 13:07:16,473 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:07:16,473 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:07:16,473 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-13 13:07:16,473 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:07:16,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:07:16,474 INFO L82 PathProgramCache]: Analyzing trace with hash -799288067, now seen corresponding path program 20 times [2020-10-13 13:07:16,474 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:07:16,474 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1949407176] [2020-10-13 13:07:16,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:07:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:16,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:18,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:18,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-13 13:07:18,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:18,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2099 [2020-10-13 13:07:18,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:18,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-13 13:07:18,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-13 13:07:18,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-13 13:07:18,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:18,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:07:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:18,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:18,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:18,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:07:18,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:18,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:07:18,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:18,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:07:18,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:18,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:07:18,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:18,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:07:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:18,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:20,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:20,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-13 13:07:20,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:20,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1967 [2020-10-13 13:07:20,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:20,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-13 13:07:20,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:20,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-13 13:07:20,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:20,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:20,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:22,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:22,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-13 13:07:22,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:22,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1743 [2020-10-13 13:07:22,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:22,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-13 13:07:22,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:22,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-13 13:07:22,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:22,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:22,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:23,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:23,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-13 13:07:23,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:23,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1464 [2020-10-13 13:07:23,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:23,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-13 13:07:23,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:23,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-13 13:07:23,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:23,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:23,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:25,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:25,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 13:07:25,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:25,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1242 [2020-10-13 13:07:25,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:25,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-13 13:07:25,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:25,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-13 13:07:25,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:25,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:25,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:26,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:26,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-13 13:07:26,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:26,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1019 [2020-10-13 13:07:26,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:26,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-13 13:07:26,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:26,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-13 13:07:26,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:26,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:26,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:27,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:27,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 13:07:27,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:27,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 860 [2020-10-13 13:07:27,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:27,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-13 13:07:27,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:27,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-13 13:07:27,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:27,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:27,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:28,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:28,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-13 13:07:28,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:28,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 733 [2020-10-13 13:07:28,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:28,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-13 13:07:28,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:28,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-13 13:07:28,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:28,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:28,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:28,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:28,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 13:07:28,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:28,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 569 [2020-10-13 13:07:28,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:28,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-13 13:07:28,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:28,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-13 13:07:28,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:28,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:28,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:29,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:29,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-13 13:07:29,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:29,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 452 [2020-10-13 13:07:29,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:29,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-13 13:07:29,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:29,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-13 13:07:29,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:29,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:29,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:29,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:29,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-13 13:07:29,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:29,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 354 [2020-10-13 13:07:29,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:29,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-13 13:07:29,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:29,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 13:07:29,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:29,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:29,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:29,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:29,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 13:07:29,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:29,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 285 [2020-10-13 13:07:29,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:29,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-13 13:07:29,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:29,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 13:07:29,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:30,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:30,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:30,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:30,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 13:07:30,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:30,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-10-13 13:07:30,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:30,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-13 13:07:30,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:30,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:07:30,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:30,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:30,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:30,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:30,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:30,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 13:07:30,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:30,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-13 13:07:30,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:30,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-13 13:07:30,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:30,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 13:07:30,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:30,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:30,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:30,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:30,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 13:07:30,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:30,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-13 13:07:30,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:30,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-13 13:07:30,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:30,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-13 13:07:30,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:30,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:30,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:30,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:30,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 13:07:30,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:30,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-13 13:07:30,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:30,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 13:07:30,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:30,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 13:07:30,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:30,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:30,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:31,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:31,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:07:31,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:31,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-13 13:07:31,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:31,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 13:07:31,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:31,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 13:07:31,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:31,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:31,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:31,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:31,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 13:07:31,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:31,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 13:07:31,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:31,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:07:31,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:31,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:07:31,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:31,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:31,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:31,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:31,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 13:07:31,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:31,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 13:07:31,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:31,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:07:31,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:31,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 13:07:31,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:31,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:31,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:31,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:31,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 13:07:31,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:31,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 13:07:31,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:31,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:07:31,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:31,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 13:07:31,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:31,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:31,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:31,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:31,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 13:07:31,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:31,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:07:31,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:31,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:07:31,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:31,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:07:31,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:31,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:31,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:31,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:31,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:07:31,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:31,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:07:31,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:31,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:07:31,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:31,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:07:31,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:31,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2020-10-13 13:07:31,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1949407176] [2020-10-13 13:07:31,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:07:31,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2020-10-13 13:07:31,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772086705] [2020-10-13 13:07:31,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 45 states [2020-10-13 13:07:31,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:07:31,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2020-10-13 13:07:31,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1893, Unknown=0, NotChecked=0, Total=1980 [2020-10-13 13:07:31,799 INFO L87 Difference]: Start difference. First operand 75 states and 76 transitions. Second operand 45 states. [2020-10-13 13:07:32,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:07:32,649 INFO L93 Difference]: Finished difference Result 82 states and 83 transitions. [2020-10-13 13:07:32,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-10-13 13:07:32,651 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 133 [2020-10-13 13:07:32,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:07:32,652 INFO L225 Difference]: With dead ends: 82 [2020-10-13 13:07:32,652 INFO L226 Difference]: Without dead ends: 78 [2020-10-13 13:07:32,654 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=87, Invalid=1893, Unknown=0, NotChecked=0, Total=1980 [2020-10-13 13:07:32,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-13 13:07:32,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-10-13 13:07:32,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-13 13:07:32,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 79 transitions. [2020-10-13 13:07:32,658 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 79 transitions. Word has length 133 [2020-10-13 13:07:32,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:07:32,658 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 79 transitions. [2020-10-13 13:07:32,658 INFO L480 AbstractCegarLoop]: Interpolant automaton has 45 states. [2020-10-13 13:07:32,658 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 79 transitions. [2020-10-13 13:07:32,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-13 13:07:32,660 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:07:32,660 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:07:32,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-13 13:07:32,660 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:07:32,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:07:32,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1226192145, now seen corresponding path program 21 times [2020-10-13 13:07:32,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:07:32,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1754418573] [2020-10-13 13:07:32,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:07:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:32,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:35,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:35,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-13 13:07:35,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:35,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2441 [2020-10-13 13:07:35,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:35,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-13 13:07:35,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-13 13:07:35,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 13:07:35,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:35,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:07:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:35,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:35,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:35,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:07:35,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:35,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:07:35,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:35,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:07:35,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:35,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:07:35,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:35,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:07:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:35,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:37,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:37,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-13 13:07:37,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:37,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2240 [2020-10-13 13:07:37,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:37,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-13 13:07:37,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:37,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-13 13:07:37,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:37,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:37,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:39,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:39,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-13 13:07:39,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:39,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1983 [2020-10-13 13:07:39,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:39,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-13 13:07:39,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:39,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-13 13:07:39,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:39,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:39,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:41,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:41,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-13 13:07:41,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:41,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1749 [2020-10-13 13:07:41,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:41,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-13 13:07:41,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:41,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-13 13:07:41,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:41,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:41,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:42,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:42,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-13 13:07:42,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:42,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1524 [2020-10-13 13:07:42,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:42,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-13 13:07:42,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:42,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-13 13:07:42,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:42,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:42,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:42,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:44,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:44,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 13:07:44,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:44,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1271 [2020-10-13 13:07:44,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:44,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-13 13:07:44,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:44,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-13 13:07:44,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:44,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:44,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:45,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:45,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-13 13:07:45,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:45,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1022 [2020-10-13 13:07:45,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:45,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-13 13:07:45,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:45,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-13 13:07:45,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:45,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:45,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:46,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:46,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 13:07:46,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:46,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 838 [2020-10-13 13:07:46,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:46,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-13 13:07:46,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:46,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-13 13:07:46,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:46,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:46,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:46,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:46,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-13 13:07:46,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:46,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 737 [2020-10-13 13:07:46,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:46,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-13 13:07:46,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:46,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-13 13:07:46,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:47,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:47,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:47,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:47,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 13:07:47,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:47,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 619 [2020-10-13 13:07:47,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:47,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-13 13:07:47,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:47,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-13 13:07:47,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:47,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:47,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:48,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:48,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-13 13:07:48,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:48,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 452 [2020-10-13 13:07:48,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:48,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-13 13:07:48,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:48,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-13 13:07:48,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:48,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:48,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:48,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:48,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-13 13:07:48,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:48,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 357 [2020-10-13 13:07:48,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:48,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-13 13:07:48,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:48,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 13:07:48,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:48,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:48,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:48,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:48,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 13:07:48,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:48,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 268 [2020-10-13 13:07:48,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:48,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-13 13:07:48,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:48,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 13:07:48,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:49,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:49,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:49,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:49,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 13:07:49,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:49,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 244 [2020-10-13 13:07:49,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:49,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-13 13:07:49,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:49,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:07:49,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:49,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:49,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:49,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:49,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 13:07:49,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:49,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-10-13 13:07:49,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:49,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-13 13:07:49,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:49,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 13:07:49,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:49,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:49,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:49,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:49,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 13:07:49,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:49,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-13 13:07:49,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:49,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-13 13:07:49,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:49,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-13 13:07:49,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:49,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:49,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:49,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:49,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 13:07:49,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:49,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-13 13:07:49,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:49,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 13:07:49,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:49,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 13:07:49,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:50,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:50,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:50,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:50,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:07:50,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:50,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-13 13:07:50,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:50,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 13:07:50,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:50,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 13:07:50,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:50,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:50,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:50,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:50,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 13:07:50,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:50,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 13:07:50,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:50,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:07:50,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:50,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:07:50,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:50,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:50,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:50,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:50,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:50,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 13:07:50,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:50,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 13:07:50,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:50,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:07:50,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:50,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 13:07:50,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:50,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:50,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:50,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:50,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 13:07:50,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:50,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 13:07:50,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:50,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:07:50,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:50,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 13:07:50,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:50,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:50,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:50,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:50,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 13:07:50,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:50,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:07:50,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:50,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:07:50,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:50,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:07:50,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:50,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:50,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:50,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:50,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:07:50,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:50,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:07:50,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:50,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:07:50,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:50,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:07:50,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:07:50,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2020-10-13 13:07:50,894 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1754418573] [2020-10-13 13:07:50,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:07:50,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2020-10-13 13:07:50,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080295041] [2020-10-13 13:07:50,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 47 states [2020-10-13 13:07:50,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:07:50,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2020-10-13 13:07:50,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=2071, Unknown=0, NotChecked=0, Total=2162 [2020-10-13 13:07:50,896 INFO L87 Difference]: Start difference. First operand 78 states and 79 transitions. Second operand 47 states. [2020-10-13 13:07:52,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:07:52,033 INFO L93 Difference]: Finished difference Result 85 states and 86 transitions. [2020-10-13 13:07:52,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-10-13 13:07:52,037 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 139 [2020-10-13 13:07:52,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:07:52,038 INFO L225 Difference]: With dead ends: 85 [2020-10-13 13:07:52,038 INFO L226 Difference]: Without dead ends: 81 [2020-10-13 13:07:52,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=91, Invalid=2071, Unknown=0, NotChecked=0, Total=2162 [2020-10-13 13:07:52,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-13 13:07:52,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-10-13 13:07:52,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-13 13:07:52,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 82 transitions. [2020-10-13 13:07:52,044 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 82 transitions. Word has length 139 [2020-10-13 13:07:52,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:07:52,045 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 82 transitions. [2020-10-13 13:07:52,045 INFO L480 AbstractCegarLoop]: Interpolant automaton has 47 states. [2020-10-13 13:07:52,045 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2020-10-13 13:07:52,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-13 13:07:52,046 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:07:52,047 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:07:52,047 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-13 13:07:52,050 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:07:52,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:07:52,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1155535485, now seen corresponding path program 22 times [2020-10-13 13:07:52,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:07:52,051 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1509283140] [2020-10-13 13:07:52,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:07:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:52,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:54,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:54,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-13 13:07:54,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:54,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2827 [2020-10-13 13:07:54,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:54,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-13 13:07:54,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-13 13:07:54,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-13 13:07:54,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:54,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:07:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:54,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:54,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:54,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:07:54,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:54,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:07:54,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:54,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:07:54,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:54,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:07:54,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:54,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:07:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:54,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:07:57,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:07:57,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-13 13:07:57,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:07:57,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2739 [2020-10-13 13:07:57,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:07:57,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-13 13:07:57,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:07:57,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-13 13:07:57,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:07:57,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:07:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:07:57,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:00,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:00,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-13 13:08:00,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:00,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2294 [2020-10-13 13:08:00,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:00,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-13 13:08:00,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:00,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-13 13:08:00,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:00,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:00,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:02,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:02,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-13 13:08:02,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:02,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2766 [2020-10-13 13:08:02,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:02,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-13 13:08:02,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:02,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-13 13:08:02,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:02,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:02,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:05,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:05,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-13 13:08:05,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:05,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2066 [2020-10-13 13:08:05,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:05,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-13 13:08:05,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:05,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-13 13:08:05,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:05,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:05,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:05,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:06,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:06,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-13 13:08:06,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:06,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1494 [2020-10-13 13:08:06,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:06,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-13 13:08:06,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:06,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-13 13:08:06,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:06,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:06,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:07,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:07,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 13:08:07,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:07,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1207 [2020-10-13 13:08:07,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:07,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-13 13:08:07,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:07,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-13 13:08:07,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:07,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:07,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:08,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:08,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-13 13:08:08,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:08,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1046 [2020-10-13 13:08:08,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:08,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-13 13:08:08,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:08,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-13 13:08:08,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:09,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:09,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:09,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:09,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 13:08:09,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:09,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 857 [2020-10-13 13:08:09,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:09,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-13 13:08:09,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:09,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-13 13:08:09,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:09,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:09,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:10,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:10,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-13 13:08:10,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:10,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 717 [2020-10-13 13:08:10,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:10,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-13 13:08:10,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:10,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-13 13:08:10,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:10,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:10,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:11,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:11,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 13:08:11,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:11,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 582 [2020-10-13 13:08:11,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:11,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-13 13:08:11,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:11,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-13 13:08:11,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:11,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:11,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:11,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:11,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-13 13:08:11,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:11,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 463 [2020-10-13 13:08:11,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:11,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-13 13:08:11,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:11,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-13 13:08:11,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:11,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:11,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:12,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:12,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-13 13:08:12,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:12,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 401 [2020-10-13 13:08:12,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:12,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-13 13:08:12,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:12,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 13:08:12,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:12,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:12,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:12,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:12,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 13:08:12,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:12,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 333 [2020-10-13 13:08:12,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:12,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-13 13:08:12,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:12,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 13:08:12,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:12,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:12,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:13,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:13,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 13:08:13,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:13,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 217 [2020-10-13 13:08:13,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:13,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-13 13:08:13,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:13,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:08:13,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:13,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:13,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:13,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:13,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 13:08:13,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:13,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-13 13:08:13,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:13,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-13 13:08:13,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:13,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 13:08:13,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:13,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:13,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:13,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:13,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 13:08:13,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:13,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-13 13:08:13,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:13,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-13 13:08:13,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:13,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-13 13:08:13,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:13,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:13,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:13,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:13,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 13:08:13,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:13,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-13 13:08:13,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:13,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 13:08:13,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:13,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 13:08:13,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:13,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:13,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:13,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:13,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:08:13,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:13,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-13 13:08:13,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:13,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 13:08:13,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:13,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 13:08:13,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:14,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:14,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:14,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:14,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 13:08:14,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:14,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 13:08:14,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:14,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:08:14,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:14,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:08:14,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:14,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:14,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:14,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:14,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 13:08:14,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:14,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 13:08:14,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:14,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:08:14,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:14,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 13:08:14,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:14,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:14,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:14,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:14,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 13:08:14,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:14,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 13:08:14,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:14,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:08:14,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:14,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 13:08:14,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:14,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:14,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:14,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:14,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 13:08:14,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:14,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:08:14,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:14,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:08:14,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:14,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:08:14,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:14,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:14,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:14,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:14,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:08:14,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:14,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:08:14,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:14,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:08:14,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:14,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:08:14,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:08:14,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2020-10-13 13:08:14,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1509283140] [2020-10-13 13:08:14,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:08:14,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2020-10-13 13:08:14,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272796256] [2020-10-13 13:08:14,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 49 states [2020-10-13 13:08:14,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:08:14,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2020-10-13 13:08:14,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=2257, Unknown=0, NotChecked=0, Total=2352 [2020-10-13 13:08:14,798 INFO L87 Difference]: Start difference. First operand 81 states and 82 transitions. Second operand 49 states. [2020-10-13 13:08:15,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:08:15,860 INFO L93 Difference]: Finished difference Result 88 states and 89 transitions. [2020-10-13 13:08:15,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-10-13 13:08:15,860 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 145 [2020-10-13 13:08:15,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:08:15,862 INFO L225 Difference]: With dead ends: 88 [2020-10-13 13:08:15,862 INFO L226 Difference]: Without dead ends: 84 [2020-10-13 13:08:15,863 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=95, Invalid=2257, Unknown=0, NotChecked=0, Total=2352 [2020-10-13 13:08:15,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-10-13 13:08:15,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2020-10-13 13:08:15,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-13 13:08:15,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 85 transitions. [2020-10-13 13:08:15,868 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 85 transitions. Word has length 145 [2020-10-13 13:08:15,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:08:15,869 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 85 transitions. [2020-10-13 13:08:15,869 INFO L480 AbstractCegarLoop]: Interpolant automaton has 49 states. [2020-10-13 13:08:15,869 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 85 transitions. [2020-10-13 13:08:15,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-13 13:08:15,870 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:08:15,870 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:08:15,870 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-13 13:08:15,871 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:08:15,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:08:15,871 INFO L82 PathProgramCache]: Analyzing trace with hash 478692079, now seen corresponding path program 23 times [2020-10-13 13:08:15,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:08:15,871 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1651313804] [2020-10-13 13:08:15,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:08:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:15,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:19,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:19,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-13 13:08:19,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:19,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3195 [2020-10-13 13:08:19,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:19,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-13 13:08:19,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130 [2020-10-13 13:08:19,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 13:08:19,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:19,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:08:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:19,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:19,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:19,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:08:19,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:19,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:08:19,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:08:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:08:19,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:19,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:08:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:19,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:22,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:22,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-13 13:08:22,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:22,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3011 [2020-10-13 13:08:22,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:22,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-13 13:08:22,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:22,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-10-13 13:08:22,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:22,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:22,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:25,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:25,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-13 13:08:25,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:25,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3129 [2020-10-13 13:08:25,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:25,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-13 13:08:25,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:25,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-13 13:08:25,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:25,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:25,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:27,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:27,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-13 13:08:27,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:27,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2277 [2020-10-13 13:08:27,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:27,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-13 13:08:27,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:27,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-13 13:08:27,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:27,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:27,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:29,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:29,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-13 13:08:29,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:29,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1987 [2020-10-13 13:08:29,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:29,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-13 13:08:29,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:29,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-13 13:08:29,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:29,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:29,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:31,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:31,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-13 13:08:31,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:31,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1676 [2020-10-13 13:08:31,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:31,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-13 13:08:31,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:31,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-13 13:08:31,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:31,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:31,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:31,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:33,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:33,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-13 13:08:33,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:33,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1507 [2020-10-13 13:08:33,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:33,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-13 13:08:33,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:33,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-13 13:08:33,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:33,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:33,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:34,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:34,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 13:08:34,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:34,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1244 [2020-10-13 13:08:34,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:34,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-13 13:08:34,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:34,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-13 13:08:34,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:34,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:34,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:35,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:35,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-13 13:08:35,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:35,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1029 [2020-10-13 13:08:35,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:35,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-13 13:08:35,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:35,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-13 13:08:35,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:35,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:35,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:36,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:36,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 13:08:36,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:36,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 822 [2020-10-13 13:08:36,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:36,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-13 13:08:36,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:36,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-13 13:08:36,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:36,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:36,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:36,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:37,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:37,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-13 13:08:37,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:37,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 713 [2020-10-13 13:08:37,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:37,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-13 13:08:37,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:37,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-13 13:08:37,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:37,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:37,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:37,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:37,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 13:08:37,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:37,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 613 [2020-10-13 13:08:37,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:37,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-13 13:08:37,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:37,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-13 13:08:37,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:37,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:37,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:38,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:38,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-13 13:08:38,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:38,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 471 [2020-10-13 13:08:38,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:38,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-13 13:08:38,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:38,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-13 13:08:38,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:38,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:38,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:38,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:38,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-13 13:08:38,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:38,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 378 [2020-10-13 13:08:38,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:38,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-13 13:08:38,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:38,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 13:08:38,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:38,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:38,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:39,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:39,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 13:08:39,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:39,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-10-13 13:08:39,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:39,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-13 13:08:39,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:39,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 13:08:39,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:39,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:39,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:39,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:39,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 13:08:39,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:39,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-13 13:08:39,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:39,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-13 13:08:39,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:39,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:08:39,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:39,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:39,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:39,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:39,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 13:08:39,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:39,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-13 13:08:39,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:39,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-13 13:08:39,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:39,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 13:08:39,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:39,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:39,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:40,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:40,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 13:08:40,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:40,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-13 13:08:40,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:40,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-13 13:08:40,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:40,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-13 13:08:40,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:40,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:40,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:40,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:40,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 13:08:40,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:40,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-13 13:08:40,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:40,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 13:08:40,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:40,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 13:08:40,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:40,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:40,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:40,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:40,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:08:40,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:40,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 13:08:40,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:40,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 13:08:40,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:40,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 13:08:40,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:40,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:40,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:40,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:40,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 13:08:40,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:40,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 13:08:40,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:40,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:08:40,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:40,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:08:40,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:40,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:40,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:40,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:40,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 13:08:40,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:40,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 13:08:40,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:40,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:08:40,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:40,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 13:08:40,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:40,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:40,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:40,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:40,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:40,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 13:08:40,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:40,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 13:08:40,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:40,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:08:40,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:40,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 13:08:40,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:40,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:40,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:40,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:40,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 13:08:40,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:40,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:08:40,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:40,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:08:40,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:40,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:08:40,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:08:41,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:41,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:41,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:41,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:08:41,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:41,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:08:41,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:41,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:08:41,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:41,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:08:41,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:08:41,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 0 proven. 805 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2020-10-13 13:08:41,296 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1651313804] [2020-10-13 13:08:41,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:08:41,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2020-10-13 13:08:41,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921030762] [2020-10-13 13:08:41,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 51 states [2020-10-13 13:08:41,297 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:08:41,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2020-10-13 13:08:41,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=2451, Unknown=0, NotChecked=0, Total=2550 [2020-10-13 13:08:41,298 INFO L87 Difference]: Start difference. First operand 84 states and 85 transitions. Second operand 51 states. [2020-10-13 13:08:42,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:08:42,453 INFO L93 Difference]: Finished difference Result 91 states and 92 transitions. [2020-10-13 13:08:42,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-10-13 13:08:42,454 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 151 [2020-10-13 13:08:42,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:08:42,455 INFO L225 Difference]: With dead ends: 91 [2020-10-13 13:08:42,456 INFO L226 Difference]: Without dead ends: 87 [2020-10-13 13:08:42,457 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=99, Invalid=2451, Unknown=0, NotChecked=0, Total=2550 [2020-10-13 13:08:42,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-13 13:08:42,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2020-10-13 13:08:42,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-13 13:08:42,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 88 transitions. [2020-10-13 13:08:42,462 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 88 transitions. Word has length 151 [2020-10-13 13:08:42,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:08:42,463 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 88 transitions. [2020-10-13 13:08:42,463 INFO L480 AbstractCegarLoop]: Interpolant automaton has 51 states. [2020-10-13 13:08:42,463 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 88 transitions. [2020-10-13 13:08:42,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-13 13:08:42,464 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:08:42,465 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:08:42,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-13 13:08:42,465 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:08:42,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:08:42,465 INFO L82 PathProgramCache]: Analyzing trace with hash -414572547, now seen corresponding path program 24 times [2020-10-13 13:08:42,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:08:42,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1080123249] [2020-10-13 13:08:42,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:08:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:42,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:46,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:46,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-13 13:08:46,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:46,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3648 [2020-10-13 13:08:46,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:46,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-10-13 13:08:46,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-10-13 13:08:46,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:08:46,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:46,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:08:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:46,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:46,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:46,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:08:46,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:46,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:08:46,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:46,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:08:46,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:46,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:08:46,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:46,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:08:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:46,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:49,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:49,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-13 13:08:49,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:49,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3378 [2020-10-13 13:08:49,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:49,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-13 13:08:49,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:49,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-10-13 13:08:49,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:49,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:49,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:52,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:52,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-13 13:08:52,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:52,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2995 [2020-10-13 13:08:52,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:52,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-13 13:08:52,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:52,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-10-13 13:08:52,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:52,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:52,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:55,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:55,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-13 13:08:55,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:55,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2632 [2020-10-13 13:08:55,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:55,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-13 13:08:55,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:55,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-13 13:08:55,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:55,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:55,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:57,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:57,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-13 13:08:57,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:57,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2311 [2020-10-13 13:08:57,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:57,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-13 13:08:57,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:57,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-13 13:08:57,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:57,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:57,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:57,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:08:59,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:08:59,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-13 13:08:59,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:08:59,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1974 [2020-10-13 13:08:59,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:08:59,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-13 13:08:59,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:08:59,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-13 13:08:59,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:08:59,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:08:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:08:59,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:01,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:01,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-13 13:09:01,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:01,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1677 [2020-10-13 13:09:01,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:01,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-13 13:09:01,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:01,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-13 13:09:01,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:01,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:01,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:03,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:03,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-13 13:09:03,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:03,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1447 [2020-10-13 13:09:03,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:03,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-13 13:09:03,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:03,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-13 13:09:03,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:03,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:03,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:04,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:04,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 13:09:04,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:04,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1287 [2020-10-13 13:09:04,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:04,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-13 13:09:04,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:04,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-13 13:09:04,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:04,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:04,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:05,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:05,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-13 13:09:05,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:05,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1029 [2020-10-13 13:09:05,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:05,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-13 13:09:05,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:05,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-13 13:09:05,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:05,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:05,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:06,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:06,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 13:09:06,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:06,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 843 [2020-10-13 13:09:06,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:06,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-13 13:09:06,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:06,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-13 13:09:06,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:06,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:06,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:07,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:07,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-13 13:09:07,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:07,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 695 [2020-10-13 13:09:07,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:07,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-13 13:09:07,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:07,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-13 13:09:07,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:07,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:07,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:07,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:07,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 13:09:07,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:07,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 577 [2020-10-13 13:09:07,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:07,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-13 13:09:07,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:07,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-13 13:09:07,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:09:07,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:07,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:08,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:08,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-13 13:09:08,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:08,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 450 [2020-10-13 13:09:08,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:08,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-13 13:09:08,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:08,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-13 13:09:08,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:08,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:08,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:08,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:08,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-13 13:09:08,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:08,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 352 [2020-10-13 13:09:08,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:08,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-13 13:09:08,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:08,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 13:09:08,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:08,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:08,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:09,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:09,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 13:09:09,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:09,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 332 [2020-10-13 13:09:09,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:09,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-13 13:09:09,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:09,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 13:09:09,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:09,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:09,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:09,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:09,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 13:09:09,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:09,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 217 [2020-10-13 13:09:09,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:09,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-13 13:09:09,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:09,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:09:09,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:09,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:09,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:09,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:09,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 13:09:09,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:09,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-13 13:09:09,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:09,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-13 13:09:09,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:09,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 13:09:09,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:09,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:09,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:10,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:10,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 13:09:10,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:10,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-13 13:09:10,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:10,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-13 13:09:10,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:10,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-13 13:09:10,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:10,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:10,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:10,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:10,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 13:09:10,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:10,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-13 13:09:10,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:10,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 13:09:10,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:10,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 13:09:10,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:10,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:10,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:10,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:10,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:09:10,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:10,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 13:09:10,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:10,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 13:09:10,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:10,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 13:09:10,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:10,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:10,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:10,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:10,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 13:09:10,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:10,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 13:09:10,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:10,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:09:10,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:10,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:09:10,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:10,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:10,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:10,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:10,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 13:09:10,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:10,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 13:09:10,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:10,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:09:10,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:10,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 13:09:10,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:10,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:10,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:10,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:10,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 13:09:10,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:10,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 13:09:10,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:10,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:09:10,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:10,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 13:09:10,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:11,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:11,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:11,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:11,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 13:09:11,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:11,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:09:11,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:11,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:09:11,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:11,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:09:11,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:11,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:11,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:11,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:11,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:09:11,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:11,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:09:11,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:11,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:09:11,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:11,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:09:11,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:09:11,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 0 proven. 876 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2020-10-13 13:09:11,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1080123249] [2020-10-13 13:09:11,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:09:11,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2020-10-13 13:09:11,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308087459] [2020-10-13 13:09:11,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 53 states [2020-10-13 13:09:11,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:09:11,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2020-10-13 13:09:11,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=2653, Unknown=0, NotChecked=0, Total=2756 [2020-10-13 13:09:11,405 INFO L87 Difference]: Start difference. First operand 87 states and 88 transitions. Second operand 53 states. [2020-10-13 13:09:12,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:09:12,644 INFO L93 Difference]: Finished difference Result 94 states and 95 transitions. [2020-10-13 13:09:12,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-13 13:09:12,644 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 157 [2020-10-13 13:09:12,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:09:12,646 INFO L225 Difference]: With dead ends: 94 [2020-10-13 13:09:12,647 INFO L226 Difference]: Without dead ends: 90 [2020-10-13 13:09:12,648 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=103, Invalid=2653, Unknown=0, NotChecked=0, Total=2756 [2020-10-13 13:09:12,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-10-13 13:09:12,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2020-10-13 13:09:12,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-13 13:09:12,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 91 transitions. [2020-10-13 13:09:12,654 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 91 transitions. Word has length 157 [2020-10-13 13:09:12,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:09:12,654 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 91 transitions. [2020-10-13 13:09:12,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 53 states. [2020-10-13 13:09:12,655 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 91 transitions. [2020-10-13 13:09:12,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-13 13:09:12,656 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:09:12,656 INFO L422 BasicCegarLoop]: trace histogram [26, 26, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:09:12,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-13 13:09:12,656 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:09:12,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:09:12,657 INFO L82 PathProgramCache]: Analyzing trace with hash -975000849, now seen corresponding path program 25 times [2020-10-13 13:09:12,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:09:12,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [868856071] [2020-10-13 13:09:12,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:09:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:12,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:16,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:16,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-13 13:09:16,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:16,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4194 [2020-10-13 13:09:16,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:16,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-13 13:09:16,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-13 13:09:16,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-13 13:09:16,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:16,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:09:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:16,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:16,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:16,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:09:16,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:16,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:09:16,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:16,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:09:16,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:16,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:09:16,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:16,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:09:16,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:16,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:20,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:20,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-13 13:09:20,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:20,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3883 [2020-10-13 13:09:20,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:20,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-13 13:09:20,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:20,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-13 13:09:20,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:20,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:20,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:24,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:24,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-13 13:09:24,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:24,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3507 [2020-10-13 13:09:24,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:24,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-13 13:09:24,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:24,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-10-13 13:09:24,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:24,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:24,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:27,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:27,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-13 13:09:27,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:27,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2997 [2020-10-13 13:09:27,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:27,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-13 13:09:27,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:27,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-10-13 13:09:27,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:27,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:27,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:30,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:30,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-13 13:09:30,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:30,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2610 [2020-10-13 13:09:30,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:30,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-13 13:09:30,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:30,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-13 13:09:30,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:30,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:30,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:32,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:32,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-13 13:09:32,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:32,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2286 [2020-10-13 13:09:32,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:32,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-13 13:09:32,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:32,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-13 13:09:32,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:32,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:32,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:34,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:34,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-13 13:09:34,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:34,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1973 [2020-10-13 13:09:34,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:34,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-13 13:09:34,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:34,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-13 13:09:34,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:34,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:34,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:36,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:36,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-13 13:09:36,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:36,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1738 [2020-10-13 13:09:36,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:36,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-13 13:09:36,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:36,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-13 13:09:36,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:36,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:36,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:37,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:37,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-13 13:09:37,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:37,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1482 [2020-10-13 13:09:37,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:37,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-13 13:09:37,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:37,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-13 13:09:37,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:37,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:38,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:39,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:39,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 13:09:39,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:39,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1214 [2020-10-13 13:09:39,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:39,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-13 13:09:39,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:39,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-13 13:09:39,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:39,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:39,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:40,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:40,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-13 13:09:40,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:40,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1107 [2020-10-13 13:09:40,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:40,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-13 13:09:40,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:40,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-13 13:09:40,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:40,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:40,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:41,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:41,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-13 13:09:41,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:41,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 863 [2020-10-13 13:09:41,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:41,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-13 13:09:41,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:41,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-13 13:09:41,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:41,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:41,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:42,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:42,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-13 13:09:42,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:42,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 742 [2020-10-13 13:09:42,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:42,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-13 13:09:42,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:42,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-13 13:09:42,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:42,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:42,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:42,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:42,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-13 13:09:42,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:42,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 565 [2020-10-13 13:09:42,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:42,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-13 13:09:42,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:42,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-13 13:09:42,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:42,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:42,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:43,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:43,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-13 13:09:43,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:43,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 468 [2020-10-13 13:09:43,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:43,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-13 13:09:43,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:43,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-13 13:09:43,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:43,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:43,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:43,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:43,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-13 13:09:43,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:43,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 374 [2020-10-13 13:09:43,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:43,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-13 13:09:43,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:43,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-13 13:09:43,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:43,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:44,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:44,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:44,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 13:09:44,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:44,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 299 [2020-10-13 13:09:44,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:44,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-13 13:09:44,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:44,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-13 13:09:44,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:44,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:44,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:44,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:44,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 13:09:44,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:44,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-10-13 13:09:44,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:44,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-13 13:09:44,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:44,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:09:44,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:44,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:44,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:44,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:44,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-13 13:09:44,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:44,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-13 13:09:44,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:44,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-13 13:09:44,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:44,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 13:09:44,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:45,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:45,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:45,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:45,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:45,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 13:09:45,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:45,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-13 13:09:45,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:45,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-13 13:09:45,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:45,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-13 13:09:45,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:45,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:45,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:45,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:45,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 13:09:45,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:45,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-13 13:09:45,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:45,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 13:09:45,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:45,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-13 13:09:45,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:45,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:45,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:45,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:45,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 13:09:45,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:45,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 13:09:45,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:45,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 13:09:45,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:45,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 13:09:45,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:45,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:45,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:45,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:45,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 13:09:45,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:45,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 13:09:45,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:45,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:09:45,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:45,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 13:09:45,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:45,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:45,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:45,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:45,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 13:09:45,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:45,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 13:09:45,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:45,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:09:45,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:45,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 13:09:45,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:45,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:45,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:45,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:45,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-13 13:09:45,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:45,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 13:09:45,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:45,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:09:45,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:45,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 13:09:45,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:46,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:46,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:46,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:46,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 13:09:46,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:46,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:09:46,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:46,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:09:46,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:46,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:09:46,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:46,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 13:09:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:46,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:46,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:46,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:09:46,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:46,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:09:46,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:46,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:09:46,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:46,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 13:09:46,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:09:46,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1900 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2020-10-13 13:09:46,489 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [868856071] [2020-10-13 13:09:46,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:09:46,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2020-10-13 13:09:46,489 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920539065] [2020-10-13 13:09:46,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 55 states [2020-10-13 13:09:46,490 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:09:46,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2020-10-13 13:09:46,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=2863, Unknown=0, NotChecked=0, Total=2970 [2020-10-13 13:09:46,491 INFO L87 Difference]: Start difference. First operand 90 states and 91 transitions. Second operand 55 states. [2020-10-13 13:09:47,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:09:47,813 INFO L93 Difference]: Finished difference Result 97 states and 98 transitions. [2020-10-13 13:09:47,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-10-13 13:09:47,813 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 163 [2020-10-13 13:09:47,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:09:47,815 INFO L225 Difference]: With dead ends: 97 [2020-10-13 13:09:47,815 INFO L226 Difference]: Without dead ends: 93 [2020-10-13 13:09:47,817 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=107, Invalid=2863, Unknown=0, NotChecked=0, Total=2970 [2020-10-13 13:09:47,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-13 13:09:47,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-10-13 13:09:47,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-13 13:09:47,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 94 transitions. [2020-10-13 13:09:47,822 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 94 transitions. Word has length 163 [2020-10-13 13:09:47,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:09:47,823 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 94 transitions. [2020-10-13 13:09:47,823 INFO L480 AbstractCegarLoop]: Interpolant automaton has 55 states. [2020-10-13 13:09:47,823 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 94 transitions. [2020-10-13 13:09:47,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-13 13:09:47,824 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:09:47,824 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:09:47,824 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-13 13:09:47,825 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:09:47,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:09:47,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1466565251, now seen corresponding path program 26 times [2020-10-13 13:09:47,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:09:47,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [764523242] [2020-10-13 13:09:47,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:09:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:47,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:52,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:52,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-13 13:09:52,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:52,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4651 [2020-10-13 13:09:52,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:52,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 56 [2020-10-13 13:09:52,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 145 [2020-10-13 13:09:52,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-13 13:09:52,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:52,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:09:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:52,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:09:52,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:09:52,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:09:52,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:09:52,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:09:52,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:09:52,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:09:52,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:09:52,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:09:52,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:09:52,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:09:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:09:52,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking...