/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/array-tiling/mlceu.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 05:22:31,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 05:22:31,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 05:22:31,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 05:22:31,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 05:22:31,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 05:22:31,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 05:22:31,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 05:22:31,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 05:22:31,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 05:22:31,166 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 05:22:31,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 05:22:31,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 05:22:31,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 05:22:31,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 05:22:31,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 05:22:31,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 05:22:31,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 05:22:31,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 05:22:31,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 05:22:31,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 05:22:31,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 05:22:31,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 05:22:31,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 05:22:31,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 05:22:31,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 05:22:31,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 05:22:31,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 05:22:31,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 05:22:31,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 05:22:31,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 05:22:31,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 05:22:31,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 05:22:31,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 05:22:31,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 05:22:31,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 05:22:31,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 05:22:31,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 05:22:31,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 05:22:31,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 05:22:31,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 05:22:31,228 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 05:22:31,272 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 05:22:31,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 05:22:31,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 05:22:31,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 05:22:31,275 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 05:22:31,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 05:22:31,276 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 05:22:31,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 05:22:31,276 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 05:22:31,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 05:22:31,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 05:22:31,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 05:22:31,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 05:22:31,278 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 05:22:31,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 05:22:31,279 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 05:22:31,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 05:22:31,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 05:22:31,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 05:22:31,280 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 05:22:31,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 05:22:31,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 05:22:31,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 05:22:31,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 05:22:31,281 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 05:22:31,281 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 05:22:31,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 05:22:31,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 05:22:31,282 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 05:22:31,282 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 05:22:31,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 05:22:31,667 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 05:22:31,670 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 05:22:31,672 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 05:22:31,672 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 05:22:31,673 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-tiling/mlceu.c [2020-10-13 05:22:31,728 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a357e8a19/1426413bb8f44e8ea5e5383271da5881/FLAGee3c0dc59 [2020-10-13 05:22:32,185 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 05:22:32,186 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-tiling/mlceu.c [2020-10-13 05:22:32,193 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a357e8a19/1426413bb8f44e8ea5e5383271da5881/FLAGee3c0dc59 [2020-10-13 05:22:32,579 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a357e8a19/1426413bb8f44e8ea5e5383271da5881 [2020-10-13 05:22:32,590 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 05:22:32,593 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 05:22:32,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 05:22:32,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 05:22:32,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 05:22:32,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:22:32" (1/1) ... [2020-10-13 05:22:32,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32e3ee29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:22:32, skipping insertion in model container [2020-10-13 05:22:32,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:22:32" (1/1) ... [2020-10-13 05:22:32,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 05:22:32,633 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 05:22:32,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 05:22:32,831 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 05:22:32,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 05:22:32,862 INFO L208 MainTranslator]: Completed translation [2020-10-13 05:22:32,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:22:32 WrapperNode [2020-10-13 05:22:32,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 05:22:32,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 05:22:32,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 05:22:32,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 05:22:32,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:22:32" (1/1) ... [2020-10-13 05:22:32,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:22:32" (1/1) ... [2020-10-13 05:22:32,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:22:32" (1/1) ... [2020-10-13 05:22:32,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:22:32" (1/1) ... [2020-10-13 05:22:32,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:22:32" (1/1) ... [2020-10-13 05:22:32,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:22:32" (1/1) ... [2020-10-13 05:22:32,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:22:32" (1/1) ... [2020-10-13 05:22:32,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 05:22:32,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 05:22:32,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 05:22:32,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 05:22:32,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:22:32" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 05:22:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 05:22:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 05:22:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 05:22:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-13 05:22:33,034 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 05:22:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 05:22:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 05:22:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 05:22:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-13 05:22:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 05:22:33,035 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 05:22:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 05:22:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 05:22:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 05:22:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 05:22:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 05:22:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 05:22:33,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 05:22:33,275 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 05:22:33,275 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-13 05:22:33,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:22:33 BoogieIcfgContainer [2020-10-13 05:22:33,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 05:22:33,281 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 05:22:33,281 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 05:22:33,284 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 05:22:33,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:22:32" (1/3) ... [2020-10-13 05:22:33,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc4d1ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:22:33, skipping insertion in model container [2020-10-13 05:22:33,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:22:32" (2/3) ... [2020-10-13 05:22:33,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dc4d1ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:22:33, skipping insertion in model container [2020-10-13 05:22:33,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:22:33" (3/3) ... [2020-10-13 05:22:33,288 INFO L109 eAbstractionObserver]: Analyzing ICFG mlceu.c [2020-10-13 05:22:33,299 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 05:22:33,306 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 05:22:33,321 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 05:22:33,375 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 05:22:33,375 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 05:22:33,376 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 05:22:33,376 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 05:22:33,376 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 05:22:33,376 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 05:22:33,376 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 05:22:33,377 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 05:22:33,400 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2020-10-13 05:22:33,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-13 05:22:33,407 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:22:33,408 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:22:33,409 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:22:33,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:22:33,422 INFO L82 PathProgramCache]: Analyzing trace with hash -556422982, now seen corresponding path program 1 times [2020-10-13 05:22:33,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:22:33,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1961231543] [2020-10-13 05:22:33,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:22:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:33,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:33,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:33,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:34,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:34,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 05:22:34,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 05:22:34,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 510 [2020-10-13 05:22:34,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:34,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:34,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 05:22:34,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:34,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 05:22:34,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:22:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:34,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:34,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:34,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:22:34,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:34,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 05:22:34,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:34,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:34,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:34,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:34,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:34,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:22:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:34,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:34,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:34,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:34,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:34,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:22:34,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:34,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:34,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 05:22:34,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:34,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:34,159 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 05:22:34,160 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1961231543] [2020-10-13 05:22:34,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 05:22:34,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 05:22:34,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352541664] [2020-10-13 05:22:34,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 05:22:34,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:22:34,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 05:22:34,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:22:34,187 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 3 states. [2020-10-13 05:22:34,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:22:34,283 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2020-10-13 05:22:34,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 05:22:34,285 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-10-13 05:22:34,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:22:34,293 INFO L225 Difference]: With dead ends: 54 [2020-10-13 05:22:34,294 INFO L226 Difference]: Without dead ends: 27 [2020-10-13 05:22:34,297 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 05:22:34,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-13 05:22:34,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-13 05:22:34,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-13 05:22:34,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2020-10-13 05:22:34,340 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 20 [2020-10-13 05:22:34,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:22:34,340 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2020-10-13 05:22:34,341 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 05:22:34,341 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2020-10-13 05:22:34,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-13 05:22:34,342 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:22:34,342 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:22:34,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 05:22:34,343 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:22:34,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:22:34,344 INFO L82 PathProgramCache]: Analyzing trace with hash 144641596, now seen corresponding path program 1 times [2020-10-13 05:22:34,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:22:34,344 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [944706120] [2020-10-13 05:22:34,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:22:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:34,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:34,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:34,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:34,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 05:22:34,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 05:22:34,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-10-13 05:22:34,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:34,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 05:22:34,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:22:34,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 05:22:34,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:34,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:22:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:34,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:34,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:34,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:22:34,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:34,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 05:22:34,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:34,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:34,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:34,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:34,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:34,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:22:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:34,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:34,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:34,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:34,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:34,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:22:34,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:34,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:34,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:34,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:34,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:34,632 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 05:22:34,633 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [944706120] [2020-10-13 05:22:34,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 05:22:34,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 05:22:34,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556134418] [2020-10-13 05:22:34,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 05:22:34,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:22:34,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 05:22:34,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-13 05:22:34,638 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand 6 states. [2020-10-13 05:22:34,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:22:34,792 INFO L93 Difference]: Finished difference Result 50 states and 57 transitions. [2020-10-13 05:22:34,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 05:22:34,793 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-10-13 05:22:34,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:22:34,796 INFO L225 Difference]: With dead ends: 50 [2020-10-13 05:22:34,796 INFO L226 Difference]: Without dead ends: 34 [2020-10-13 05:22:34,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-13 05:22:34,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-13 05:22:34,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 29. [2020-10-13 05:22:34,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-13 05:22:34,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2020-10-13 05:22:34,810 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 20 [2020-10-13 05:22:34,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:22:34,811 INFO L479 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2020-10-13 05:22:34,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 05:22:34,811 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2020-10-13 05:22:34,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-13 05:22:34,812 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:22:34,812 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:22:34,813 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 05:22:34,813 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:22:34,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:22:34,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1919308338, now seen corresponding path program 1 times [2020-10-13 05:22:34,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:22:34,814 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [347901958] [2020-10-13 05:22:34,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:22:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:34,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:35,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:35,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 05:22:35,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:35,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 195 [2020-10-13 05:22:35,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:35,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 05:22:35,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:22:35,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 05:22:35,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:35,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:22:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:35,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:35,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:35,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:22:35,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:35,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 05:22:35,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:35,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:35,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:35,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:35,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:35,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:22:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:35,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:35,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:35,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:35,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:35,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 05:22:35,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:35,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:35,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:35,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:35,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:35,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 05:22:35,184 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [347901958] [2020-10-13 05:22:35,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:22:35,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 05:22:35,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526881779] [2020-10-13 05:22:35,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 05:22:35,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:22:35,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 05:22:35,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-13 05:22:35,188 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand 9 states. [2020-10-13 05:22:35,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:22:35,464 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2020-10-13 05:22:35,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 05:22:35,465 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-13 05:22:35,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:22:35,466 INFO L225 Difference]: With dead ends: 41 [2020-10-13 05:22:35,467 INFO L226 Difference]: Without dead ends: 39 [2020-10-13 05:22:35,468 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2020-10-13 05:22:35,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-13 05:22:35,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 35. [2020-10-13 05:22:35,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-13 05:22:35,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2020-10-13 05:22:35,477 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 23 [2020-10-13 05:22:35,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:22:35,478 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2020-10-13 05:22:35,478 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 05:22:35,478 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2020-10-13 05:22:35,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-13 05:22:35,479 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:22:35,480 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:22:35,480 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 05:22:35,480 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:22:35,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:22:35,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1226987484, now seen corresponding path program 1 times [2020-10-13 05:22:35,481 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:22:35,482 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1891937632] [2020-10-13 05:22:35,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:22:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:35,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:35,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:35,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-13 05:22:35,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:35,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-13 05:22:35,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:35,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 05:22:35,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:22:35,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 05:22:35,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:35,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:22:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:35,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:35,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:35,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:22:35,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:35,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:35,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:35,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:35,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:35,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:35,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:35,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:22:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:35,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:35,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:35,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:35,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:35,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:35,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:35,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:35,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:35,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:35,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:35,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 05:22:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:35,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:35,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:35,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:35,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:35,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 05:22:35,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:35,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:35,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:35,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:35,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:35,719 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 05:22:35,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1891937632] [2020-10-13 05:22:35,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:22:35,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 05:22:35,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13631322] [2020-10-13 05:22:35,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 05:22:35,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:22:35,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 05:22:35,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-13 05:22:35,722 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand 8 states. [2020-10-13 05:22:35,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:22:35,933 INFO L93 Difference]: Finished difference Result 75 states and 82 transitions. [2020-10-13 05:22:35,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 05:22:35,934 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2020-10-13 05:22:35,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:22:35,935 INFO L225 Difference]: With dead ends: 75 [2020-10-13 05:22:35,935 INFO L226 Difference]: Without dead ends: 45 [2020-10-13 05:22:35,936 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-10-13 05:22:35,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-13 05:22:35,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 38. [2020-10-13 05:22:35,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-13 05:22:35,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2020-10-13 05:22:35,945 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 31 [2020-10-13 05:22:35,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:22:35,945 INFO L479 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2020-10-13 05:22:35,945 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 05:22:35,945 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2020-10-13 05:22:35,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-13 05:22:35,947 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:22:35,947 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:22:35,947 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 05:22:35,947 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:22:35,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:22:35,948 INFO L82 PathProgramCache]: Analyzing trace with hash -357959342, now seen corresponding path program 2 times [2020-10-13 05:22:35,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:22:35,948 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1233799000] [2020-10-13 05:22:35,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:22:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:35,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:36,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:36,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 05:22:36,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:36,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-10-13 05:22:36,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:36,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 05:22:36,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:22:36,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 05:22:36,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:36,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:22:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:36,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:36,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:36,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:22:36,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:36,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:22:36,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:36,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:36,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:36,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:36,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:36,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:22:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:36,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:36,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:36,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:36,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:36,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:36,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:36,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:36,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:36,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:36,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 05:22:36,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 05:22:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:36,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:36,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:36,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:36,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:36,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 05:22:36,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:36,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:36,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:36,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:36,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 05:22:36,335 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 05:22:36,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1233799000] [2020-10-13 05:22:36,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:22:36,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 05:22:36,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649820973] [2020-10-13 05:22:36,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 05:22:36,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:22:36,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 05:22:36,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-10-13 05:22:36,338 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand 11 states. [2020-10-13 05:22:36,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:22:36,753 INFO L93 Difference]: Finished difference Result 52 states and 54 transitions. [2020-10-13 05:22:36,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 05:22:36,753 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 34 [2020-10-13 05:22:36,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:22:36,755 INFO L225 Difference]: With dead ends: 52 [2020-10-13 05:22:36,755 INFO L226 Difference]: Without dead ends: 50 [2020-10-13 05:22:36,756 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2020-10-13 05:22:36,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-10-13 05:22:36,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 46. [2020-10-13 05:22:36,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-13 05:22:36,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2020-10-13 05:22:36,764 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 34 [2020-10-13 05:22:36,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:22:36,764 INFO L479 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2020-10-13 05:22:36,765 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 05:22:36,765 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2020-10-13 05:22:36,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-13 05:22:36,766 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:22:36,766 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:22:36,767 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 05:22:36,767 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:22:36,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:22:36,767 INFO L82 PathProgramCache]: Analyzing trace with hash -2084819032, now seen corresponding path program 3 times [2020-10-13 05:22:36,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:22:36,768 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [814471199] [2020-10-13 05:22:36,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:22:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:36,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:36,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:36,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-13 05:22:36,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:36,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-13 05:22:36,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:36,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 05:22:36,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:22:36,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 05:22:36,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:37,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:22:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:37,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:37,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:37,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:22:37,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:37,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:37,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:37,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:37,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:37,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:37,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:37,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:22:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:37,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:37,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:37,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:37,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:37,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:37,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:37,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:37,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:37,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:37,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:37,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 05:22:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:37,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:37,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:37,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:37,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:37,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 05:22:37,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:37,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:37,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:37,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:37,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:37,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 05:22:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:37,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:37,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:37,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:37,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:37,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 05:22:37,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:37,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:37,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:37,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:37,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:37,074 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-13 05:22:37,075 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [814471199] [2020-10-13 05:22:37,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:22:37,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 05:22:37,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829168220] [2020-10-13 05:22:37,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 05:22:37,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:22:37,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 05:22:37,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-13 05:22:37,078 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand 10 states. [2020-10-13 05:22:37,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:22:37,333 INFO L93 Difference]: Finished difference Result 102 states and 109 transitions. [2020-10-13 05:22:37,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 05:22:37,334 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 42 [2020-10-13 05:22:37,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:22:37,335 INFO L225 Difference]: With dead ends: 102 [2020-10-13 05:22:37,336 INFO L226 Difference]: Without dead ends: 56 [2020-10-13 05:22:37,339 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2020-10-13 05:22:37,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-13 05:22:37,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 49. [2020-10-13 05:22:37,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-13 05:22:37,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 51 transitions. [2020-10-13 05:22:37,354 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 51 transitions. Word has length 42 [2020-10-13 05:22:37,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:22:37,355 INFO L479 AbstractCegarLoop]: Abstraction has 49 states and 51 transitions. [2020-10-13 05:22:37,355 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 05:22:37,356 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2020-10-13 05:22:37,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-13 05:22:37,357 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:22:37,358 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:22:37,358 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 05:22:37,358 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:22:37,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:22:37,359 INFO L82 PathProgramCache]: Analyzing trace with hash -810617414, now seen corresponding path program 4 times [2020-10-13 05:22:37,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:22:37,359 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [457470155] [2020-10-13 05:22:37,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:22:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:37,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:37,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:37,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-13 05:22:37,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:37,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 305 [2020-10-13 05:22:37,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:37,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 05:22:37,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:22:37,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-13 05:22:37,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:37,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:22:37,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:37,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:37,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:37,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:22:37,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:37,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:37,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:37,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:37,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:37,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:37,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:37,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:22:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:37,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:37,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:37,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:37,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:37,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:22:37,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:37,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:37,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:37,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:37,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:37,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 05:22:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:37,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:37,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:37,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:37,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:37,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 05:22:37,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:37,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:37,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:37,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:37,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:37,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 05:22:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:37,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:37,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:37,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:37,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:37,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 05:22:37,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:37,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:37,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:37,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:37,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:37,899 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-13 05:22:37,900 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [457470155] [2020-10-13 05:22:37,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:22:37,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 05:22:37,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504345625] [2020-10-13 05:22:37,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 05:22:37,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:22:37,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 05:22:37,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-10-13 05:22:37,902 INFO L87 Difference]: Start difference. First operand 49 states and 51 transitions. Second operand 13 states. [2020-10-13 05:22:38,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:22:38,319 INFO L93 Difference]: Finished difference Result 63 states and 65 transitions. [2020-10-13 05:22:38,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 05:22:38,320 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 45 [2020-10-13 05:22:38,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:22:38,321 INFO L225 Difference]: With dead ends: 63 [2020-10-13 05:22:38,321 INFO L226 Difference]: Without dead ends: 61 [2020-10-13 05:22:38,322 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=391, Unknown=0, NotChecked=0, Total=462 [2020-10-13 05:22:38,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-10-13 05:22:38,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 57. [2020-10-13 05:22:38,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-13 05:22:38,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2020-10-13 05:22:38,330 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 45 [2020-10-13 05:22:38,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:22:38,331 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2020-10-13 05:22:38,331 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 05:22:38,331 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2020-10-13 05:22:38,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-13 05:22:38,333 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:22:38,333 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:22:38,333 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 05:22:38,333 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:22:38,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:22:38,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1110293488, now seen corresponding path program 5 times [2020-10-13 05:22:38,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:22:38,334 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [91347576] [2020-10-13 05:22:38,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:22:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:38,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:38,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:38,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-13 05:22:38,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:38,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 249 [2020-10-13 05:22:38,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:38,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 05:22:38,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:22:38,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 05:22:38,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:38,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:22:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:38,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:38,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:38,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:22:38,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:38,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:38,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:38,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:38,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:38,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:38,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:38,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:22:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:38,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:38,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:38,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:38,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:38,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:38,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:38,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:38,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:38,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:38,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:38,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 05:22:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:38,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:38,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:38,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:38,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:38,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 05:22:38,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:38,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:38,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:38,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:38,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:38,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 05:22:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:38,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:38,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:38,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:38,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:38,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 05:22:38,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:38,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:38,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:38,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:38,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:38,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 05:22:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:38,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:38,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:38,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:38,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:38,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 05:22:38,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:38,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:38,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:38,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:38,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 05:22:38,806 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-13 05:22:38,806 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [91347576] [2020-10-13 05:22:38,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:22:38,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 05:22:38,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170052099] [2020-10-13 05:22:38,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 05:22:38,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:22:38,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 05:22:38,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-13 05:22:38,811 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 12 states. [2020-10-13 05:22:39,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:22:39,200 INFO L93 Difference]: Finished difference Result 129 states and 136 transitions. [2020-10-13 05:22:39,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 05:22:39,201 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 53 [2020-10-13 05:22:39,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:22:39,203 INFO L225 Difference]: With dead ends: 129 [2020-10-13 05:22:39,203 INFO L226 Difference]: Without dead ends: 67 [2020-10-13 05:22:39,205 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2020-10-13 05:22:39,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-13 05:22:39,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 60. [2020-10-13 05:22:39,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-13 05:22:39,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2020-10-13 05:22:39,226 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 53 [2020-10-13 05:22:39,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:22:39,226 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2020-10-13 05:22:39,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 05:22:39,227 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2020-10-13 05:22:39,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-13 05:22:39,231 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:22:39,231 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:22:39,232 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 05:22:39,232 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:22:39,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:22:39,233 INFO L82 PathProgramCache]: Analyzing trace with hash -687513922, now seen corresponding path program 6 times [2020-10-13 05:22:39,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:22:39,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [246725625] [2020-10-13 05:22:39,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:22:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:39,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:39,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:39,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-13 05:22:39,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:39,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 479 [2020-10-13 05:22:39,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:39,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 05:22:39,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:22:39,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-13 05:22:39,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:39,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:22:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:39,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:39,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:39,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:22:39,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:39,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:39,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:39,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:39,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:39,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:39,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:39,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:22:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:39,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:39,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:39,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:39,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:39,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:39,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:39,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:39,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:39,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:39,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:39,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 05:22:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:39,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:39,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:39,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:39,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:39,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 05:22:39,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:39,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:39,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:39,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:39,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:39,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 05:22:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:39,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:39,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:39,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:39,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:39,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 05:22:39,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:39,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:39,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:39,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:39,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:39,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 05:22:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:39,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:39,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:39,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:39,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:39,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 05:22:39,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:39,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:39,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:39,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:39,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:39,996 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 40 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-13 05:22:40,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [246725625] [2020-10-13 05:22:40,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:22:40,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-13 05:22:40,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406077911] [2020-10-13 05:22:40,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-13 05:22:40,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:22:40,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-13 05:22:40,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2020-10-13 05:22:40,003 INFO L87 Difference]: Start difference. First operand 60 states and 62 transitions. Second operand 15 states. [2020-10-13 05:22:40,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:22:40,666 INFO L93 Difference]: Finished difference Result 74 states and 76 transitions. [2020-10-13 05:22:40,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-13 05:22:40,666 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 56 [2020-10-13 05:22:40,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:22:40,669 INFO L225 Difference]: With dead ends: 74 [2020-10-13 05:22:40,669 INFO L226 Difference]: Without dead ends: 72 [2020-10-13 05:22:40,671 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=87, Invalid=615, Unknown=0, NotChecked=0, Total=702 [2020-10-13 05:22:40,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-13 05:22:40,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 68. [2020-10-13 05:22:40,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-13 05:22:40,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 70 transitions. [2020-10-13 05:22:40,693 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 70 transitions. Word has length 56 [2020-10-13 05:22:40,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:22:40,696 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 70 transitions. [2020-10-13 05:22:40,696 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-13 05:22:40,697 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 70 transitions. [2020-10-13 05:22:40,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-13 05:22:40,698 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:22:40,698 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:22:40,699 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 05:22:40,702 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:22:40,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:22:40,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1908500756, now seen corresponding path program 7 times [2020-10-13 05:22:40,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:22:40,703 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1859852794] [2020-10-13 05:22:40,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:22:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:40,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:41,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:41,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-13 05:22:41,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:41,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 463 [2020-10-13 05:22:41,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:41,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 05:22:41,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:22:41,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-13 05:22:41,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:41,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:22:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:41,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:41,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:41,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:22:41,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:41,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 05:22:41,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:41,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:41,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:41,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:41,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:41,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:22:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:41,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:41,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:41,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:41,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:41,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:41,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:41,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:41,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:41,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:41,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:41,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 05:22:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:41,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:41,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:41,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:41,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:41,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 05:22:41,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:41,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:41,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:41,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:41,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:41,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 05:22:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:41,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:41,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:41,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:41,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:41,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 05:22:41,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:41,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:41,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:41,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:41,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:41,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 05:22:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:41,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:41,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:41,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:41,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:41,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 05:22:41,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:41,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:41,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:41,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:41,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:41,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 05:22:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:41,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:41,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:41,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:41,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:41,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 05:22:41,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:41,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:41,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:41,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:41,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:41,456 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 40 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-13 05:22:41,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1859852794] [2020-10-13 05:22:41,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:22:41,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-13 05:22:41,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491145453] [2020-10-13 05:22:41,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 05:22:41,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:22:41,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 05:22:41,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2020-10-13 05:22:41,460 INFO L87 Difference]: Start difference. First operand 68 states and 70 transitions. Second operand 14 states. [2020-10-13 05:22:41,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:22:41,916 INFO L93 Difference]: Finished difference Result 156 states and 163 transitions. [2020-10-13 05:22:41,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 05:22:41,917 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 64 [2020-10-13 05:22:41,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:22:41,918 INFO L225 Difference]: With dead ends: 156 [2020-10-13 05:22:41,918 INFO L226 Difference]: Without dead ends: 78 [2020-10-13 05:22:41,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2020-10-13 05:22:41,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-13 05:22:41,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 71. [2020-10-13 05:22:41,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-13 05:22:41,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 73 transitions. [2020-10-13 05:22:41,935 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 73 transitions. Word has length 64 [2020-10-13 05:22:41,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:22:41,936 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 73 transitions. [2020-10-13 05:22:41,936 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 05:22:41,936 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 73 transitions. [2020-10-13 05:22:41,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-13 05:22:41,939 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:22:41,939 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:22:41,940 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 05:22:41,940 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:22:41,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:22:41,940 INFO L82 PathProgramCache]: Analyzing trace with hash -264735322, now seen corresponding path program 8 times [2020-10-13 05:22:41,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:22:41,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [618810823] [2020-10-13 05:22:41,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:22:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:41,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:42,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:42,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-13 05:22:42,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:42,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 421 [2020-10-13 05:22:42,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:42,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 05:22:42,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:22:42,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 05:22:42,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:42,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:22:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:42,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:42,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:42,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:22:42,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:42,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:42,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:42,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:42,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:42,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:42,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:42,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:22:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:42,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:42,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:42,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:42,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:42,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:22:42,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:42,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:42,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:42,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:42,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:42,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 05:22:42,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:42,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:42,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:42,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:42,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:42,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:22:42,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:42,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:42,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:42,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:42,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:42,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 05:22:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:42,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:42,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:42,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:42,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:42,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:22:42,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:42,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:42,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:42,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:42,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:42,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 05:22:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:42,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:42,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:42,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:42,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:42,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:22:42,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:42,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:42,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:42,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:42,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:42,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 05:22:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:42,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:42,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:42,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:42,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:42,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:22:42,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:42,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:42,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:42,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:42,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:42,660 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 8 proven. 67 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-13 05:22:42,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [618810823] [2020-10-13 05:22:42,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:22:42,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-13 05:22:42,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191728318] [2020-10-13 05:22:42,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-13 05:22:42,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:22:42,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-13 05:22:42,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2020-10-13 05:22:42,662 INFO L87 Difference]: Start difference. First operand 71 states and 73 transitions. Second operand 17 states. [2020-10-13 05:22:43,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:22:43,509 INFO L93 Difference]: Finished difference Result 85 states and 87 transitions. [2020-10-13 05:22:43,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-13 05:22:43,509 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 67 [2020-10-13 05:22:43,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:22:43,511 INFO L225 Difference]: With dead ends: 85 [2020-10-13 05:22:43,512 INFO L226 Difference]: Without dead ends: 83 [2020-10-13 05:22:43,513 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=830, Unknown=0, NotChecked=0, Total=930 [2020-10-13 05:22:43,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-13 05:22:43,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 79. [2020-10-13 05:22:43,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-10-13 05:22:43,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 81 transitions. [2020-10-13 05:22:43,521 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 81 transitions. Word has length 67 [2020-10-13 05:22:43,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:22:43,522 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 81 transitions. [2020-10-13 05:22:43,522 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-13 05:22:43,522 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 81 transitions. [2020-10-13 05:22:43,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-13 05:22:43,523 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:22:43,523 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:22:43,523 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 05:22:43,523 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:22:43,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:22:43,524 INFO L82 PathProgramCache]: Analyzing trace with hash -410839044, now seen corresponding path program 9 times [2020-10-13 05:22:43,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:22:43,524 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1659387119] [2020-10-13 05:22:43,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:22:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:43,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:43,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:43,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-13 05:22:43,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:43,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 340 [2020-10-13 05:22:43,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:43,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 05:22:43,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:22:43,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-13 05:22:43,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:44,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:22:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:44,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:44,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:44,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:22:44,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:44,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:44,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:44,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:44,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:44,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:44,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:44,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:22:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:44,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:44,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:44,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:44,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:44,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:22:44,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:44,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:44,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:44,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:44,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:44,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 05:22:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:44,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:44,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:44,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:44,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:44,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:22:44,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:44,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:44,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:44,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:44,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:44,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 05:22:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:44,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:44,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:44,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:44,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:44,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 05:22:44,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:44,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:44,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:44,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:44,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:44,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 05:22:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:44,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:44,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:44,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:44,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:44,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:22:44,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:44,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:44,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:44,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:44,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:44,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 05:22:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:44,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:44,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:44,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:44,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:44,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:22:44,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:44,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:44,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:44,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:44,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:44,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-13 05:22:44,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:44,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:44,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:44,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:44,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:44,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 05:22:44,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:44,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:44,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:44,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:44,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:44,093 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 60 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-13 05:22:44,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1659387119] [2020-10-13 05:22:44,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:22:44,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-13 05:22:44,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298141803] [2020-10-13 05:22:44,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-13 05:22:44,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:22:44,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-13 05:22:44,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2020-10-13 05:22:44,097 INFO L87 Difference]: Start difference. First operand 79 states and 81 transitions. Second operand 16 states. [2020-10-13 05:22:44,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:22:44,495 INFO L93 Difference]: Finished difference Result 183 states and 190 transitions. [2020-10-13 05:22:44,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-13 05:22:44,496 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 75 [2020-10-13 05:22:44,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:22:44,497 INFO L225 Difference]: With dead ends: 183 [2020-10-13 05:22:44,497 INFO L226 Difference]: Without dead ends: 89 [2020-10-13 05:22:44,498 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2020-10-13 05:22:44,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-10-13 05:22:44,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 82. [2020-10-13 05:22:44,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-10-13 05:22:44,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 84 transitions. [2020-10-13 05:22:44,507 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 84 transitions. Word has length 75 [2020-10-13 05:22:44,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:22:44,507 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 84 transitions. [2020-10-13 05:22:44,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-13 05:22:44,507 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 84 transitions. [2020-10-13 05:22:44,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-13 05:22:44,508 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:22:44,508 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:22:44,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 05:22:44,509 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:22:44,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:22:44,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1069341738, now seen corresponding path program 10 times [2020-10-13 05:22:44,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:22:44,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1845005575] [2020-10-13 05:22:44,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:22:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:44,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:44,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:44,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-13 05:22:44,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:44,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 455 [2020-10-13 05:22:44,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:44,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-13 05:22:44,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:22:44,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 05:22:44,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:45,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:22:45,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:45,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:45,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:45,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:22:45,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:45,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:22:45,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:45,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:45,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:45,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:45,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:45,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:22:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:45,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:45,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:45,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:45,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:45,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:22:45,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:45,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:45,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:45,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:45,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:45,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 05:22:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:45,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:45,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:45,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:45,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:45,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:22:45,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:45,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:45,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:45,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:45,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:45,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 05:22:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:45,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:45,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:45,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:45,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:45,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:22:45,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:45,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:45,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:45,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:45,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:45,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 05:22:45,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:45,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:45,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:45,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:45,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:45,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:45,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:45,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:45,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:45,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:45,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:45,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 05:22:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:45,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:45,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:45,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:45,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:45,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:45,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:45,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:45,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:45,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:45,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:45,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-13 05:22:45,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:45,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:45,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:45,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:45,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:45,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:22:45,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:45,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:45,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:45,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:45,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:45,338 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 10 proven. 101 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-13 05:22:45,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1845005575] [2020-10-13 05:22:45,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:22:45,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-13 05:22:45,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208772596] [2020-10-13 05:22:45,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-13 05:22:45,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:22:45,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-13 05:22:45,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2020-10-13 05:22:45,341 INFO L87 Difference]: Start difference. First operand 82 states and 84 transitions. Second operand 19 states. [2020-10-13 05:22:46,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:22:46,401 INFO L93 Difference]: Finished difference Result 96 states and 98 transitions. [2020-10-13 05:22:46,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-13 05:22:46,402 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 78 [2020-10-13 05:22:46,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:22:46,403 INFO L225 Difference]: With dead ends: 96 [2020-10-13 05:22:46,403 INFO L226 Difference]: Without dead ends: 94 [2020-10-13 05:22:46,404 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=108, Invalid=1014, Unknown=0, NotChecked=0, Total=1122 [2020-10-13 05:22:46,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-10-13 05:22:46,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 90. [2020-10-13 05:22:46,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-13 05:22:46,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 92 transitions. [2020-10-13 05:22:46,412 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 92 transitions. Word has length 78 [2020-10-13 05:22:46,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:22:46,413 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 92 transitions. [2020-10-13 05:22:46,413 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-13 05:22:46,413 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 92 transitions. [2020-10-13 05:22:46,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-13 05:22:46,415 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:22:46,415 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:22:46,415 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 05:22:46,415 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:22:46,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:22:46,416 INFO L82 PathProgramCache]: Analyzing trace with hash 713734784, now seen corresponding path program 11 times [2020-10-13 05:22:46,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:22:46,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [216636016] [2020-10-13 05:22:46,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:22:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:46,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:46,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:46,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-13 05:22:46,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:46,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 560 [2020-10-13 05:22:46,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:46,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-13 05:22:47,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:22:47,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-13 05:22:47,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-13 05:22:47,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:22:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:47,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:47,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:47,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:22:47,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:47,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:47,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:47,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:47,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:47,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:47,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:47,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:22:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:47,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:47,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:47,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:47,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:47,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:22:47,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:47,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:47,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:47,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:47,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:47,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 05:22:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:47,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:47,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:47,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:47,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:47,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 05:22:47,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:47,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:47,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:47,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:47,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:47,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 05:22:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:47,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:47,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:47,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:47,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:47,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:22:47,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:47,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:47,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:47,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:47,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:47,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 05:22:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:47,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:47,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:47,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:47,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:47,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:22:47,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:47,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:47,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:47,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:47,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:47,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 05:22:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:47,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:47,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:47,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:47,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:47,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:22:47,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:47,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:47,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:47,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:47,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:47,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-13 05:22:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:47,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:47,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:47,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:47,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:47,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:22:47,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:47,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:47,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:47,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:47,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:47,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-13 05:22:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:47,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:47,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:47,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:47,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:47,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:22:47,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:47,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:47,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:47,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:47,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:47,311 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 84 proven. 51 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-13 05:22:47,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [216636016] [2020-10-13 05:22:47,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:22:47,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-13 05:22:47,312 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718014520] [2020-10-13 05:22:47,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-13 05:22:47,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:22:47,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-13 05:22:47,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2020-10-13 05:22:47,314 INFO L87 Difference]: Start difference. First operand 90 states and 92 transitions. Second operand 18 states. [2020-10-13 05:22:47,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:22:47,792 INFO L93 Difference]: Finished difference Result 210 states and 217 transitions. [2020-10-13 05:22:47,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-13 05:22:47,793 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 86 [2020-10-13 05:22:47,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:22:47,794 INFO L225 Difference]: With dead ends: 210 [2020-10-13 05:22:47,795 INFO L226 Difference]: Without dead ends: 100 [2020-10-13 05:22:47,796 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=156, Invalid=494, Unknown=0, NotChecked=0, Total=650 [2020-10-13 05:22:47,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-10-13 05:22:47,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 93. [2020-10-13 05:22:47,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-13 05:22:47,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 95 transitions. [2020-10-13 05:22:47,806 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 95 transitions. Word has length 86 [2020-10-13 05:22:47,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:22:47,807 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 95 transitions. [2020-10-13 05:22:47,807 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-13 05:22:47,807 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 95 transitions. [2020-10-13 05:22:47,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-13 05:22:47,808 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:22:47,809 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:22:47,809 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 05:22:47,809 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:22:47,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:22:47,810 INFO L82 PathProgramCache]: Analyzing trace with hash 154807698, now seen corresponding path program 12 times [2020-10-13 05:22:47,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:22:47,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1704375237] [2020-10-13 05:22:47,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:22:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:47,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:48,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:48,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 05:22:48,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:48,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 579 [2020-10-13 05:22:48,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:48,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-13 05:22:48,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:22:48,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-13 05:22:48,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:48,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:22:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:48,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:48,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:48,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:22:48,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:48,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:48,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:48,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:48,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:48,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:48,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:48,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:22:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:48,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:48,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:48,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:48,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:48,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:22:48,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:48,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:48,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:48,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:48,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:48,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 05:22:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:48,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:48,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:48,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:48,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:48,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:48,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:48,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:48,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:48,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:48,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:48,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 05:22:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:48,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:48,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:48,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:48,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:48,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:48,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:48,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:48,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:48,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:48,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:48,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 05:22:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:48,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:48,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:48,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:48,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:48,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:48,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:48,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:48,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:48,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:48,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:48,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 05:22:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:48,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:48,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:48,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:48,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:48,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:48,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:48,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:48,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:48,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:48,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:48,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 05:22:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:48,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:48,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:48,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:48,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:48,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:22:48,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:48,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:48,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:48,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:48,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:48,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 05:22:48,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:48,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:48,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:48,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:48,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:48,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:48,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:48,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:48,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:48,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:48,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:48,841 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 12 proven. 142 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-13 05:22:48,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1704375237] [2020-10-13 05:22:48,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:22:48,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-13 05:22:48,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573222872] [2020-10-13 05:22:48,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-13 05:22:48,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:22:48,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-13 05:22:48,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2020-10-13 05:22:48,844 INFO L87 Difference]: Start difference. First operand 93 states and 95 transitions. Second operand 21 states. [2020-10-13 05:22:50,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:22:50,010 INFO L93 Difference]: Finished difference Result 107 states and 109 transitions. [2020-10-13 05:22:50,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-13 05:22:50,011 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 89 [2020-10-13 05:22:50,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:22:50,012 INFO L225 Difference]: With dead ends: 107 [2020-10-13 05:22:50,012 INFO L226 Difference]: Without dead ends: 105 [2020-10-13 05:22:50,015 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=121, Invalid=1285, Unknown=0, NotChecked=0, Total=1406 [2020-10-13 05:22:50,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-10-13 05:22:50,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 101. [2020-10-13 05:22:50,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-13 05:22:50,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 103 transitions. [2020-10-13 05:22:50,026 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 103 transitions. Word has length 89 [2020-10-13 05:22:50,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:22:50,028 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 103 transitions. [2020-10-13 05:22:50,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-13 05:22:50,028 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 103 transitions. [2020-10-13 05:22:50,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-13 05:22:50,029 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:22:50,029 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:22:50,029 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 05:22:50,030 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:22:50,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:22:50,030 INFO L82 PathProgramCache]: Analyzing trace with hash 166994920, now seen corresponding path program 13 times [2020-10-13 05:22:50,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:22:50,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1257900837] [2020-10-13 05:22:50,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:22:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:50,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:50,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:50,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-13 05:22:50,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:50,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 655 [2020-10-13 05:22:50,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:50,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-13 05:22:50,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:22:50,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-13 05:22:50,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:50,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:22:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:50,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:50,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:50,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:22:50,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:50,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:50,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:50,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:50,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:50,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:50,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:50,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:22:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:50,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:50,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:50,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:50,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:50,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:22:50,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:50,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:50,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:50,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:50,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:50,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 05:22:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:50,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:50,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:50,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:50,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:50,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:50,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:50,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:50,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:50,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:50,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:50,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 05:22:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:50,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:50,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:50,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:50,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:50,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:22:50,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:50,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:50,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:50,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:50,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:50,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 05:22:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:50,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:50,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:50,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:50,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:50,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:22:50,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:50,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:50,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:50,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:50,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:50,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 05:22:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:50,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:50,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:50,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:50,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:50,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 05:22:50,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:50,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:50,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:50,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:50,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:50,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 05:22:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:50,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:50,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:50,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:50,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:50,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:22:50,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:50,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:50,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:50,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:50,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:50,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 05:22:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:50,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:50,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:50,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:50,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:50,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:22:50,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:50,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:50,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:50,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:50,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:22:50,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 05:22:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:50,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:50,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:50,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:50,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:50,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 05:22:50,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:50,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:50,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:50,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:50,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:51,011 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 112 proven. 70 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-13 05:22:51,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1257900837] [2020-10-13 05:22:51,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:22:51,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-13 05:22:51,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257043886] [2020-10-13 05:22:51,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-13 05:22:51,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:22:51,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-13 05:22:51,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2020-10-13 05:22:51,016 INFO L87 Difference]: Start difference. First operand 101 states and 103 transitions. Second operand 20 states. [2020-10-13 05:22:51,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:22:51,581 INFO L93 Difference]: Finished difference Result 237 states and 244 transitions. [2020-10-13 05:22:51,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-13 05:22:51,582 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 97 [2020-10-13 05:22:51,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:22:51,583 INFO L225 Difference]: With dead ends: 237 [2020-10-13 05:22:51,583 INFO L226 Difference]: Without dead ends: 111 [2020-10-13 05:22:51,584 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=193, Invalid=619, Unknown=0, NotChecked=0, Total=812 [2020-10-13 05:22:51,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-13 05:22:51,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 104. [2020-10-13 05:22:51,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-13 05:22:51,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 106 transitions. [2020-10-13 05:22:51,593 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 106 transitions. Word has length 97 [2020-10-13 05:22:51,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:22:51,594 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 106 transitions. [2020-10-13 05:22:51,594 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-13 05:22:51,594 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 106 transitions. [2020-10-13 05:22:51,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-10-13 05:22:51,595 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:22:51,595 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:22:51,595 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 05:22:51,596 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:22:51,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:22:51,596 INFO L82 PathProgramCache]: Analyzing trace with hash -810782314, now seen corresponding path program 14 times [2020-10-13 05:22:51,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:22:51,597 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1845679360] [2020-10-13 05:22:51,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:22:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:51,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:52,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:52,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-13 05:22:52,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:52,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 800 [2020-10-13 05:22:52,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:52,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-13 05:22:52,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:22:52,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-13 05:22:52,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:52,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:22:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:52,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:52,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:52,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:22:52,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:52,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:52,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:52,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:52,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:52,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:52,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:52,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:22:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:52,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:52,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:52,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:52,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:52,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:22:52,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:52,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:52,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:52,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:52,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:52,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 05:22:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:52,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:52,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:52,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:52,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:52,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:22:52,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:52,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:52,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:52,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:52,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:52,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 05:22:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:52,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:52,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:52,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:52,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:52,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:52,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:52,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:52,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:52,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:52,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:52,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 05:22:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:52,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:52,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:52,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:52,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:52,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:52,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:52,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:52,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:52,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:52,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:52,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 05:22:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:52,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:52,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:52,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:52,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:52,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 05:22:52,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:52,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:52,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:52,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:52,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:52,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 05:22:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:52,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:52,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:52,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:52,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:52,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:22:52,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:52,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:52,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:52,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:52,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:52,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 05:22:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:52,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:52,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:52,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:52,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:52,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 05:22:52,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:52,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:52,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:52,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:52,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:52,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 05:22:52,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:52,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:52,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:52,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:52,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:52,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:22:52,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:52,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:52,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:52,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:52,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:52,953 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 14 proven. 190 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-13 05:22:52,954 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1845679360] [2020-10-13 05:22:52,954 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:22:52,954 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-13 05:22:52,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019621660] [2020-10-13 05:22:52,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-13 05:22:52,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:22:52,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-13 05:22:52,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2020-10-13 05:22:52,958 INFO L87 Difference]: Start difference. First operand 104 states and 106 transitions. Second operand 23 states. [2020-10-13 05:22:54,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:22:54,474 INFO L93 Difference]: Finished difference Result 118 states and 120 transitions. [2020-10-13 05:22:54,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-13 05:22:54,475 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 100 [2020-10-13 05:22:54,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:22:54,476 INFO L225 Difference]: With dead ends: 118 [2020-10-13 05:22:54,476 INFO L226 Difference]: Without dead ends: 116 [2020-10-13 05:22:54,478 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=139, Invalid=1667, Unknown=0, NotChecked=0, Total=1806 [2020-10-13 05:22:54,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-10-13 05:22:54,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 112. [2020-10-13 05:22:54,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-13 05:22:54,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 114 transitions. [2020-10-13 05:22:54,495 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 114 transitions. Word has length 100 [2020-10-13 05:22:54,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:22:54,495 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 114 transitions. [2020-10-13 05:22:54,496 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-13 05:22:54,496 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 114 transitions. [2020-10-13 05:22:54,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-13 05:22:54,497 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:22:54,497 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:22:54,497 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 05:22:54,497 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:22:54,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:22:54,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1124850708, now seen corresponding path program 15 times [2020-10-13 05:22:54,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:22:54,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [411397436] [2020-10-13 05:22:54,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:22:54,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:54,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:55,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:55,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-13 05:22:55,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:55,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 575 [2020-10-13 05:22:55,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:55,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-13 05:22:55,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:22:55,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-13 05:22:55,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:55,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:22:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:55,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:55,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:55,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:22:55,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:55,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:22:55,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:55,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:55,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:55,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:55,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:55,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:22:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:55,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:55,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:55,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:55,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:55,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:22:55,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:55,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:55,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:55,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:55,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:55,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 05:22:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:55,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:55,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:55,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:55,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:55,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:55,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:55,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:55,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:55,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:55,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:55,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 05:22:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:55,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:55,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:55,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:55,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:55,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:55,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:55,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:55,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:55,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:55,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:55,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 05:22:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:55,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:55,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:55,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:55,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:55,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:55,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:55,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:55,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:55,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:55,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:55,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 05:22:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:55,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:55,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:55,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:55,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:55,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:55,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:55,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:55,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:55,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:55,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:55,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 05:22:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:55,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:55,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:55,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:55,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:55,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:55,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:55,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:55,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:55,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:55,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:55,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 05:22:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:55,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:55,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:55,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:55,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:55,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:55,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:55,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:55,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:55,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:55,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:55,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 05:22:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:55,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:55,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:55,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:55,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:55,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:55,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:55,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:55,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:55,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:55,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:55,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 05:22:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:55,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:55,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:55,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:55,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:55,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:55,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:55,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:55,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:55,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:55,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:55,386 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 144 proven. 92 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-13 05:22:55,386 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [411397436] [2020-10-13 05:22:55,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:22:55,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-13 05:22:55,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023737613] [2020-10-13 05:22:55,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-13 05:22:55,392 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:22:55,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-13 05:22:55,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2020-10-13 05:22:55,393 INFO L87 Difference]: Start difference. First operand 112 states and 114 transitions. Second operand 22 states. [2020-10-13 05:22:56,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:22:56,019 INFO L93 Difference]: Finished difference Result 264 states and 271 transitions. [2020-10-13 05:22:56,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-13 05:22:56,021 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 108 [2020-10-13 05:22:56,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:22:56,022 INFO L225 Difference]: With dead ends: 264 [2020-10-13 05:22:56,023 INFO L226 Difference]: Without dead ends: 122 [2020-10-13 05:22:56,024 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=234, Invalid=758, Unknown=0, NotChecked=0, Total=992 [2020-10-13 05:22:56,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-10-13 05:22:56,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 115. [2020-10-13 05:22:56,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-13 05:22:56,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 117 transitions. [2020-10-13 05:22:56,041 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 117 transitions. Word has length 108 [2020-10-13 05:22:56,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:22:56,042 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 117 transitions. [2020-10-13 05:22:56,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-13 05:22:56,042 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 117 transitions. [2020-10-13 05:22:56,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-13 05:22:56,044 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:22:56,044 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:22:56,045 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 05:22:56,045 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:22:56,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:22:56,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1572347262, now seen corresponding path program 16 times [2020-10-13 05:22:56,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:22:56,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [318303626] [2020-10-13 05:22:56,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:22:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:56,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:56,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:56,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-13 05:22:56,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:56,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 764 [2020-10-13 05:22:56,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:56,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-13 05:22:56,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:22:56,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-13 05:22:56,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:57,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:22:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:57,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:57,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:57,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:22:57,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:57,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:22:57,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:57,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:57,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:57,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:57,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:57,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:22:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:57,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:57,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:57,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:57,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:57,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:22:57,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:57,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:22:57,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:57,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:22:57,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:57,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 05:22:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:57,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:57,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:57,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:57,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:57,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:57,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:57,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:57,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:57,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:57,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:57,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 05:22:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:57,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:57,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:57,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:57,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:57,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:57,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:57,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:57,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:57,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:57,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:57,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 05:22:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:57,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:57,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:57,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:57,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:57,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:57,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:57,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:57,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:57,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:57,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:57,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-13 05:22:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:57,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:57,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:57,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:57,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:57,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:57,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:57,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:57,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:57,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:57,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:57,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 05:22:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:57,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:57,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:57,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:57,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:57,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:57,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:57,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:57,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:57,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:57,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:57,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 05:22:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:57,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:57,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:57,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:57,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:57,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:57,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:57,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:57,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:57,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:57,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:57,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 05:22:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:57,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:57,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:57,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:57,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:57,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:57,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:57,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:57,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:57,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:57,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:57,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 05:22:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:57,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:57,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:57,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:22:57,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:57,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:22:57,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:57,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:22:57,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:22:57,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:22:57,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:22:57,367 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 16 proven. 245 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-13 05:22:57,367 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [318303626] [2020-10-13 05:22:57,367 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:22:57,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-13 05:22:57,368 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006398992] [2020-10-13 05:22:57,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-13 05:22:57,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:22:57,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-13 05:22:57,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=551, Unknown=0, NotChecked=0, Total=600 [2020-10-13 05:22:57,370 INFO L87 Difference]: Start difference. First operand 115 states and 117 transitions. Second operand 25 states. [2020-10-13 05:22:59,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:22:59,186 INFO L93 Difference]: Finished difference Result 129 states and 131 transitions. [2020-10-13 05:22:59,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-13 05:22:59,187 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 111 [2020-10-13 05:22:59,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:22:59,188 INFO L225 Difference]: With dead ends: 129 [2020-10-13 05:22:59,189 INFO L226 Difference]: Without dead ends: 127 [2020-10-13 05:22:59,190 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=149, Invalid=1921, Unknown=0, NotChecked=0, Total=2070 [2020-10-13 05:22:59,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-10-13 05:22:59,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 123. [2020-10-13 05:22:59,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-10-13 05:22:59,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 125 transitions. [2020-10-13 05:22:59,200 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 125 transitions. Word has length 111 [2020-10-13 05:22:59,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:22:59,201 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 125 transitions. [2020-10-13 05:22:59,201 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-13 05:22:59,201 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 125 transitions. [2020-10-13 05:22:59,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-13 05:22:59,202 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:22:59,202 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:22:59,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-13 05:22:59,203 INFO L427 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:22:59,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:22:59,203 INFO L82 PathProgramCache]: Analyzing trace with hash 606693332, now seen corresponding path program 17 times [2020-10-13 05:22:59,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:22:59,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1785203768] [2020-10-13 05:22:59,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:22:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:22:59,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:22:59,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:22:59,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-13 05:22:59,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:22:59,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 689 [2020-10-13 05:22:59,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:22:59,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-13 05:22:59,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:22:59,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-13 05:22:59,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:00,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:23:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:00,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:00,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:00,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:23:00,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:00,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:00,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:00,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:00,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:00,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:00,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:00,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:23:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:00,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:00,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:00,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:00,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:00,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:00,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:00,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:00,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:00,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:00,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:00,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 05:23:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:00,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:00,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:00,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:00,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:00,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:00,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:00,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:00,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:00,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:00,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:00,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 05:23:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:00,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:00,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:00,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:00,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:00,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:00,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:00,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:00,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:00,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:00,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:00,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 05:23:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:00,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:00,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:00,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:00,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:00,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:00,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:00,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:00,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:00,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:00,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:00,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-13 05:23:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:00,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:00,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:00,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:00,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:00,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:00,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:00,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:00,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:00,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:00,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:00,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 05:23:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:00,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:00,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:00,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:00,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:00,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:00,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:00,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:00,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:00,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:00,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:00,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 05:23:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:00,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:00,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:00,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:00,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:00,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:00,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:00,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:00,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:00,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:00,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:00,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 05:23:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:00,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:00,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:00,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:00,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:00,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:00,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:00,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:00,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:00,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:00,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:00,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 05:23:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:00,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:00,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:00,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:00,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:00,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:00,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:00,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:00,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:00,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:00,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:00,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 05:23:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:00,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:00,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:00,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:00,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:00,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:00,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:00,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:00,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:00,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:00,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:00,298 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 180 proven. 117 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-13 05:23:00,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1785203768] [2020-10-13 05:23:00,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:23:00,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-13 05:23:00,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095389084] [2020-10-13 05:23:00,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-13 05:23:00,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:23:00,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-13 05:23:00,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2020-10-13 05:23:00,301 INFO L87 Difference]: Start difference. First operand 123 states and 125 transitions. Second operand 24 states. [2020-10-13 05:23:01,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:23:01,225 INFO L93 Difference]: Finished difference Result 291 states and 298 transitions. [2020-10-13 05:23:01,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-13 05:23:01,226 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 119 [2020-10-13 05:23:01,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:23:01,229 INFO L225 Difference]: With dead ends: 291 [2020-10-13 05:23:01,232 INFO L226 Difference]: Without dead ends: 133 [2020-10-13 05:23:01,234 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=279, Invalid=911, Unknown=0, NotChecked=0, Total=1190 [2020-10-13 05:23:01,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-10-13 05:23:01,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 126. [2020-10-13 05:23:01,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-10-13 05:23:01,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 128 transitions. [2020-10-13 05:23:01,251 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 128 transitions. Word has length 119 [2020-10-13 05:23:01,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:23:01,251 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 128 transitions. [2020-10-13 05:23:01,251 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-13 05:23:01,252 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 128 transitions. [2020-10-13 05:23:01,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-13 05:23:01,254 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:23:01,254 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:23:01,255 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-13 05:23:01,255 INFO L427 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:23:01,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:23:01,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1464852734, now seen corresponding path program 18 times [2020-10-13 05:23:01,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:23:01,256 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1946208454] [2020-10-13 05:23:01,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:23:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:01,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:02,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:02,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-13 05:23:02,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:02,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1172 [2020-10-13 05:23:02,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:02,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-13 05:23:02,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:23:02,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-13 05:23:02,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:03,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:23:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:03,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:03,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:03,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:23:03,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:03,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:03,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:03,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:03,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:03,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:03,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:03,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:23:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:03,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:03,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:03,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:03,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:03,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:03,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:03,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:03,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:03,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:03,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:03,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 05:23:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:03,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:03,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:03,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:03,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:03,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:03,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:03,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:03,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:03,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:03,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:03,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 05:23:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:03,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:03,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:03,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:03,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:03,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:03,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:03,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:03,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:03,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:03,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:03,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-13 05:23:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:03,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:03,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:03,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:03,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:03,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:03,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:03,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:03,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:03,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:03,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:03,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-13 05:23:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:03,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:03,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:03,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:03,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:03,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:03,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:03,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:03,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:03,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:03,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:03,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 05:23:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:03,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:03,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:03,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:03,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:03,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:23:03,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:03,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:03,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:03,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:03,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:03,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-13 05:23:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:03,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:03,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:03,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:03,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:03,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:03,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:03,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:03,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:03,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:03,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:03,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 05:23:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:03,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:03,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:03,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:03,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:03,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:03,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:03,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:03,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:03,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:03,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:03,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 05:23:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:03,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:03,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:03,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:03,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:03,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:03,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:03,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:03,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:03,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:03,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:03,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 05:23:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:03,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:03,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:03,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:03,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:03,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:03,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:03,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:03,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:03,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:03,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:03,215 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 18 proven. 307 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-13 05:23:03,216 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1946208454] [2020-10-13 05:23:03,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:23:03,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-13 05:23:03,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920065069] [2020-10-13 05:23:03,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-13 05:23:03,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:23:03,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-13 05:23:03,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2020-10-13 05:23:03,218 INFO L87 Difference]: Start difference. First operand 126 states and 128 transitions. Second operand 27 states. [2020-10-13 05:23:05,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:23:05,405 INFO L93 Difference]: Finished difference Result 140 states and 142 transitions. [2020-10-13 05:23:05,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-13 05:23:05,406 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 122 [2020-10-13 05:23:05,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:23:05,407 INFO L225 Difference]: With dead ends: 140 [2020-10-13 05:23:05,407 INFO L226 Difference]: Without dead ends: 138 [2020-10-13 05:23:05,408 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=165, Invalid=2385, Unknown=0, NotChecked=0, Total=2550 [2020-10-13 05:23:05,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-10-13 05:23:05,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 134. [2020-10-13 05:23:05,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-13 05:23:05,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 136 transitions. [2020-10-13 05:23:05,419 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 136 transitions. Word has length 122 [2020-10-13 05:23:05,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:23:05,420 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 136 transitions. [2020-10-13 05:23:05,420 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-13 05:23:05,420 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 136 transitions. [2020-10-13 05:23:05,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-13 05:23:05,421 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:23:05,421 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:23:05,422 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-13 05:23:05,422 INFO L427 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:23:05,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:23:05,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1361468072, now seen corresponding path program 19 times [2020-10-13 05:23:05,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:23:05,423 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [239849853] [2020-10-13 05:23:05,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:23:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:05,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:06,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:06,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-13 05:23:06,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:06,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 883 [2020-10-13 05:23:06,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:06,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-13 05:23:06,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:23:06,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-13 05:23:06,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:06,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:23:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:06,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:06,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:06,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:23:06,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:06,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:06,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:06,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:06,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:06,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:06,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:06,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:23:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:06,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:06,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:06,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:06,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:06,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:06,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:06,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:06,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:06,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:06,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:06,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 05:23:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:06,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:06,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:06,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:06,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:06,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:23:06,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:06,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:06,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:06,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:06,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:06,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 05:23:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:06,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:06,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:06,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:06,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:06,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:06,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:06,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:06,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:06,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:06,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:06,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-13 05:23:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:06,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:06,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:06,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:06,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:06,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:06,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:06,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:06,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:06,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:06,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:06,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-13 05:23:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:06,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:06,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:06,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:06,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:06,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 05:23:06,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:06,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:06,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:06,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:06,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:06,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 05:23:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:06,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:06,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:06,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:06,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:06,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:06,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:06,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:06,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:06,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:06,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:06,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-13 05:23:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:06,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:06,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:06,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:06,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:06,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:06,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:06,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:06,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:06,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:06,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:06,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 05:23:06,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:06,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:06,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:06,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:06,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:06,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:06,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:06,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:06,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:06,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:06,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:06,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 05:23:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:06,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:06,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:06,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:06,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:06,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:06,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:06,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:06,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:06,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:06,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:06,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 05:23:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:06,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:06,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:06,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:06,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:06,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:06,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:06,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:06,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:06,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:06,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:06,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 05:23:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:06,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:06,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:06,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:06,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:06,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:06,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:06,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:06,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:06,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:06,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:06,720 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 220 proven. 145 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-10-13 05:23:06,720 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [239849853] [2020-10-13 05:23:06,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:23:06,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-13 05:23:06,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323157151] [2020-10-13 05:23:06,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-13 05:23:06,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:23:06,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-13 05:23:06,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2020-10-13 05:23:06,725 INFO L87 Difference]: Start difference. First operand 134 states and 136 transitions. Second operand 26 states. [2020-10-13 05:23:07,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:23:07,515 INFO L93 Difference]: Finished difference Result 318 states and 325 transitions. [2020-10-13 05:23:07,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-13 05:23:07,519 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 130 [2020-10-13 05:23:07,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:23:07,521 INFO L225 Difference]: With dead ends: 318 [2020-10-13 05:23:07,521 INFO L226 Difference]: Without dead ends: 144 [2020-10-13 05:23:07,522 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=328, Invalid=1078, Unknown=0, NotChecked=0, Total=1406 [2020-10-13 05:23:07,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-10-13 05:23:07,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 137. [2020-10-13 05:23:07,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-10-13 05:23:07,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 139 transitions. [2020-10-13 05:23:07,537 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 139 transitions. Word has length 130 [2020-10-13 05:23:07,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:23:07,537 INFO L479 AbstractCegarLoop]: Abstraction has 137 states and 139 transitions. [2020-10-13 05:23:07,537 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-13 05:23:07,537 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 139 transitions. [2020-10-13 05:23:07,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-13 05:23:07,539 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:23:07,539 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:23:07,539 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-13 05:23:07,539 INFO L427 AbstractCegarLoop]: === Iteration 23 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:23:07,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:23:07,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1716107926, now seen corresponding path program 20 times [2020-10-13 05:23:07,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:23:07,540 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [48174767] [2020-10-13 05:23:07,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:23:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:07,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:08,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:08,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-13 05:23:08,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:08,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1084 [2020-10-13 05:23:08,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:08,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-13 05:23:08,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:23:08,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-13 05:23:08,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:09,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:23:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:09,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:09,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:09,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:23:09,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:09,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:09,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:09,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:09,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:09,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:09,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:09,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:23:09,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:09,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:09,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:09,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:09,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:09,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:09,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:09,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:09,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:09,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:09,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:09,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 05:23:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:09,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:09,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:09,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:09,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:09,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:09,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:09,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:09,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:09,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:09,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:09,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 05:23:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:09,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:09,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:09,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:09,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:09,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:09,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:09,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:09,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:09,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:09,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:09,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 05:23:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:09,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:09,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:09,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:09,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:09,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:09,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:09,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:09,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:09,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:09,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:09,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 05:23:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:09,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:09,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:09,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:09,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:09,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:09,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:09,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:09,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:09,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:09,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:09,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 05:23:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:09,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:09,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:09,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:09,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:09,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:09,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:09,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:09,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:09,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:09,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:09,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 05:23:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:09,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:09,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:09,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:09,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:09,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:09,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:09,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:09,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:09,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:09,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:09,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 05:23:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:09,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:09,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:09,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:09,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:09,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:09,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:09,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:09,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:09,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:09,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:09,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 05:23:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:09,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:09,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:09,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:09,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:09,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:09,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:09,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:09,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:09,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:09,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:09,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-13 05:23:09,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:09,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:09,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:09,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:09,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:09,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:09,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:09,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:09,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:09,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:09,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:09,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-13 05:23:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:09,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:09,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:09,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:09,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:09,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:09,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:09,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:09,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:09,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:09,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:09,364 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 20 proven. 376 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-10-13 05:23:09,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [48174767] [2020-10-13 05:23:09,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:23:09,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-13 05:23:09,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824639856] [2020-10-13 05:23:09,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-13 05:23:09,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:23:09,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-13 05:23:09,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=755, Unknown=0, NotChecked=0, Total=812 [2020-10-13 05:23:09,367 INFO L87 Difference]: Start difference. First operand 137 states and 139 transitions. Second operand 29 states. [2020-10-13 05:23:11,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:23:11,678 INFO L93 Difference]: Finished difference Result 151 states and 153 transitions. [2020-10-13 05:23:11,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-13 05:23:11,679 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 133 [2020-10-13 05:23:11,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:23:11,681 INFO L225 Difference]: With dead ends: 151 [2020-10-13 05:23:11,681 INFO L226 Difference]: Without dead ends: 149 [2020-10-13 05:23:11,683 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=175, Invalid=2687, Unknown=0, NotChecked=0, Total=2862 [2020-10-13 05:23:11,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-10-13 05:23:11,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 145. [2020-10-13 05:23:11,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-10-13 05:23:11,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 147 transitions. [2020-10-13 05:23:11,695 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 147 transitions. Word has length 133 [2020-10-13 05:23:11,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:23:11,695 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 147 transitions. [2020-10-13 05:23:11,696 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-13 05:23:11,696 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 147 transitions. [2020-10-13 05:23:11,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-13 05:23:11,697 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:23:11,697 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:23:11,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-13 05:23:11,698 INFO L427 AbstractCegarLoop]: === Iteration 24 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:23:11,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:23:11,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1641618496, now seen corresponding path program 21 times [2020-10-13 05:23:11,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:23:11,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911027855] [2020-10-13 05:23:11,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:23:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:11,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:12,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:12,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-13 05:23:12,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:12,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 934 [2020-10-13 05:23:12,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:12,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-13 05:23:12,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:23:12,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-13 05:23:12,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:12,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:23:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:13,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:13,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:13,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:23:13,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:13,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:13,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:13,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:13,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:13,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:13,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:13,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:23:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:13,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:13,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:13,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:13,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:13,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:13,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:13,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:13,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:13,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:13,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:13,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 05:23:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:13,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:13,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:13,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:13,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:13,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:13,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:13,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:13,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:13,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:13,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:13,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 05:23:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:13,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:13,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:13,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:13,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:13,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:13,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:13,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:13,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:13,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:13,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:13,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 05:23:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:13,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:13,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:13,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:13,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:13,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:13,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:13,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:13,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:13,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:13,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:13,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 05:23:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:13,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:13,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:13,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:13,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:13,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:13,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:13,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:13,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:13,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:13,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:13,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 05:23:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:13,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:13,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:13,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:13,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:13,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:13,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:13,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:13,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:13,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:13,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:13,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 05:23:13,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:13,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:13,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:13,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:13,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:13,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:13,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:13,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:13,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:13,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:13,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:13,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 05:23:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:13,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:13,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:13,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:13,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:13,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:13,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:13,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:13,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:13,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:13,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:13,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 05:23:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:13,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:13,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:13,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:13,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:13,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:23:13,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:13,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:13,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:13,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:13,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:13,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-13 05:23:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:13,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:13,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:13,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:13,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:13,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:13,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:13,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:13,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:13,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:13,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:13,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-13 05:23:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:13,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:13,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:13,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:13,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:13,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:23:13,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:13,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:13,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:13,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:13,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:13,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-13 05:23:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:13,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:13,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:13,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:13,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:13,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:13,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:13,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:13,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:13,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:13,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:13,109 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 264 proven. 176 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-13 05:23:13,110 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [911027855] [2020-10-13 05:23:13,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:23:13,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-13 05:23:13,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248135385] [2020-10-13 05:23:13,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-13 05:23:13,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:23:13,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-13 05:23:13,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=571, Unknown=0, NotChecked=0, Total=756 [2020-10-13 05:23:13,112 INFO L87 Difference]: Start difference. First operand 145 states and 147 transitions. Second operand 28 states. [2020-10-13 05:23:13,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:23:14,000 INFO L93 Difference]: Finished difference Result 345 states and 352 transitions. [2020-10-13 05:23:14,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-13 05:23:14,000 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 141 [2020-10-13 05:23:14,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:23:14,003 INFO L225 Difference]: With dead ends: 345 [2020-10-13 05:23:14,003 INFO L226 Difference]: Without dead ends: 155 [2020-10-13 05:23:14,004 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=381, Invalid=1259, Unknown=0, NotChecked=0, Total=1640 [2020-10-13 05:23:14,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-10-13 05:23:14,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 148. [2020-10-13 05:23:14,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-10-13 05:23:14,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 150 transitions. [2020-10-13 05:23:14,016 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 150 transitions. Word has length 141 [2020-10-13 05:23:14,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:23:14,017 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 150 transitions. [2020-10-13 05:23:14,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-13 05:23:14,017 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 150 transitions. [2020-10-13 05:23:14,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-13 05:23:14,018 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:23:14,019 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:23:14,019 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-13 05:23:14,019 INFO L427 AbstractCegarLoop]: === Iteration 25 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:23:14,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:23:14,019 INFO L82 PathProgramCache]: Analyzing trace with hash 597943406, now seen corresponding path program 22 times [2020-10-13 05:23:14,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:23:14,020 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [130739979] [2020-10-13 05:23:14,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:23:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:14,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:15,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:15,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-13 05:23:15,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:15,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1271 [2020-10-13 05:23:15,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:15,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-13 05:23:15,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:23:15,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-13 05:23:15,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:16,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:23:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:16,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:16,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:16,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:23:16,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:16,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:16,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:16,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:16,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:16,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:16,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:16,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:23:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:16,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:16,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:16,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:16,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:16,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:16,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:16,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:16,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:16,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:16,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:16,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 05:23:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:16,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:16,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:16,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:16,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:16,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:16,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:16,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:16,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:16,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:16,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:16,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 05:23:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:16,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:16,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:16,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:16,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:16,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:16,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:16,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:16,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:16,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:16,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:16,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 05:23:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:16,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:16,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:16,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:16,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:16,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:16,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:16,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:16,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:16,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:16,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:16,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 05:23:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:16,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:16,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:16,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:16,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:16,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:16,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:16,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:16,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:16,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:16,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:16,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-13 05:23:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:16,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:16,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:16,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:16,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:16,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:16,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:16,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:16,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:16,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:16,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:16,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 05:23:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:16,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:16,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:16,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:16,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:16,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:16,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:16,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:16,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:16,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:16,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:16,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 05:23:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:16,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:16,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:16,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:16,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:16,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:16,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:16,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:16,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:16,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:16,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:16,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 05:23:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:16,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:16,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:16,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:16,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:16,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:16,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:16,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:16,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:16,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:16,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:16,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-13 05:23:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:16,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:16,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:16,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:16,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:16,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:16,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:16,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:16,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:16,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:16,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:16,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 05:23:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:16,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:16,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:16,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:16,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:16,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:16,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:16,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:16,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:16,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:16,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:16,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 05:23:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:16,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:16,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:16,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:16,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:16,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:16,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:16,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:16,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:16,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:16,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:16,146 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 22 proven. 452 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-13 05:23:16,147 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [130739979] [2020-10-13 05:23:16,147 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:23:16,147 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-13 05:23:16,147 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748024865] [2020-10-13 05:23:16,148 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-13 05:23:16,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:23:16,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-13 05:23:16,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=871, Unknown=0, NotChecked=0, Total=930 [2020-10-13 05:23:16,149 INFO L87 Difference]: Start difference. First operand 148 states and 150 transitions. Second operand 31 states. [2020-10-13 05:23:18,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:23:18,960 INFO L93 Difference]: Finished difference Result 162 states and 164 transitions. [2020-10-13 05:23:18,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-13 05:23:18,966 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 144 [2020-10-13 05:23:18,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:23:18,967 INFO L225 Difference]: With dead ends: 162 [2020-10-13 05:23:18,967 INFO L226 Difference]: Without dead ends: 160 [2020-10-13 05:23:18,969 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=191, Invalid=3231, Unknown=0, NotChecked=0, Total=3422 [2020-10-13 05:23:18,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-10-13 05:23:18,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 156. [2020-10-13 05:23:18,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-10-13 05:23:18,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 158 transitions. [2020-10-13 05:23:18,982 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 158 transitions. Word has length 144 [2020-10-13 05:23:18,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:23:18,982 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 158 transitions. [2020-10-13 05:23:18,982 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-13 05:23:18,983 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 158 transitions. [2020-10-13 05:23:18,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-13 05:23:18,985 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:23:18,985 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:23:18,985 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-13 05:23:18,985 INFO L427 AbstractCegarLoop]: === Iteration 26 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:23:18,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:23:18,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1122550076, now seen corresponding path program 23 times [2020-10-13 05:23:18,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:23:18,986 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [292729008] [2020-10-13 05:23:18,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:23:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:19,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:20,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:20,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-10-13 05:23:20,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:20,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1056 [2020-10-13 05:23:20,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:20,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-13 05:23:20,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:23:20,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-13 05:23:20,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:20,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:23:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:20,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:20,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:20,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:23:20,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:20,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:20,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:20,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:20,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:20,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:20,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:20,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:23:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:20,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:20,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:20,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:20,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:20,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 05:23:20,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:20,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:20,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:20,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:20,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:20,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 05:23:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:20,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:20,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:20,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:20,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:20,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:20,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:20,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:20,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:20,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:20,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:20,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 05:23:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:20,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:20,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:20,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:20,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:20,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:20,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:20,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:20,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:20,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:20,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:20,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 05:23:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:20,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:20,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:20,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:20,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:20,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:20,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:20,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:20,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:20,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:20,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:20,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 05:23:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:20,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:20,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:20,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:20,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:20,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:20,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:20,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:20,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:20,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:20,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:20,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-13 05:23:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:20,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:20,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:20,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:20,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:20,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:20,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:20,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:20,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:20,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:20,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:20,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 05:23:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:20,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:20,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:20,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:20,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:20,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:20,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:20,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:20,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:20,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:20,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:20,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 05:23:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:20,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:20,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:20,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:20,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:20,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:20,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:20,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:20,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:20,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:20,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:20,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 05:23:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:20,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:20,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:20,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:20,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:20,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:20,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:20,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:20,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:20,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:20,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:20,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-13 05:23:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:20,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:20,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:20,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:20,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:20,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:20,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:20,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:20,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:20,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:20,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:20,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 05:23:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:20,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:20,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:20,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:20,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:20,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:20,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:20,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:20,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:20,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:20,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:20,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 05:23:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:20,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:20,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:20,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:20,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:20,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:20,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:20,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:20,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:20,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:20,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:20,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-13 05:23:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:20,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:20,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:20,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:20,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:20,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:20,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:20,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:20,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:20,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:20,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:20,561 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 312 proven. 210 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-13 05:23:20,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [292729008] [2020-10-13 05:23:20,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:23:20,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-13 05:23:20,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111159034] [2020-10-13 05:23:20,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-13 05:23:20,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:23:20,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-13 05:23:20,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=657, Unknown=0, NotChecked=0, Total=870 [2020-10-13 05:23:20,564 INFO L87 Difference]: Start difference. First operand 156 states and 158 transitions. Second operand 30 states. [2020-10-13 05:23:21,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:23:21,436 INFO L93 Difference]: Finished difference Result 372 states and 379 transitions. [2020-10-13 05:23:21,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-13 05:23:21,437 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 152 [2020-10-13 05:23:21,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:23:21,439 INFO L225 Difference]: With dead ends: 372 [2020-10-13 05:23:21,439 INFO L226 Difference]: Without dead ends: 166 [2020-10-13 05:23:21,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=438, Invalid=1454, Unknown=0, NotChecked=0, Total=1892 [2020-10-13 05:23:21,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-10-13 05:23:21,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 159. [2020-10-13 05:23:21,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-10-13 05:23:21,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 161 transitions. [2020-10-13 05:23:21,453 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 161 transitions. Word has length 152 [2020-10-13 05:23:21,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:23:21,453 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 161 transitions. [2020-10-13 05:23:21,453 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-13 05:23:21,453 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 161 transitions. [2020-10-13 05:23:21,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-13 05:23:21,455 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:23:21,455 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:23:21,455 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-13 05:23:21,456 INFO L427 AbstractCegarLoop]: === Iteration 27 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:23:21,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:23:21,456 INFO L82 PathProgramCache]: Analyzing trace with hash 305702230, now seen corresponding path program 24 times [2020-10-13 05:23:21,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:23:21,456 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [392708627] [2020-10-13 05:23:21,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:23:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:21,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:22,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:22,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-13 05:23:22,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:22,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1075 [2020-10-13 05:23:22,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:22,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-13 05:23:22,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:23:22,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 168 [2020-10-13 05:23:22,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:23,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:23:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:23,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:23,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:23,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:23:23,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:23,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:23,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:23,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:23,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:23,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:23,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:23,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:23:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:23,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:23,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:23,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:23,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:23,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:23:23,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:23,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:23,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:23,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:23,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:23,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 05:23:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:23,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:23,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:23,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:23,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:23,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:23,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:23,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:23,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:23,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:23,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:23,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-13 05:23:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:23,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:23,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:23,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:23,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:23,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:23,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:23,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:23,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:23,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:23,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:23,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-13 05:23:23,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:23,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:23,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:23,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:23,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:23,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:23,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:23,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:23,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:23,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:23,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:23,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 05:23:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:23,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:23,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:23,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:23,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:23,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:23,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:23,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:23,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:23,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:23,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:23,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 05:23:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:23,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:23,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:23,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:23,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:23,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:23,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:23,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:23,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:23,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:23,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:23,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 05:23:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:23,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:23,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:23,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:23,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:23,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:23,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:23,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:23,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:23,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:23,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:23,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-13 05:23:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:23,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:23,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:23,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:23,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:23,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:23,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:23,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:23,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:23,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:23,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:23,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 05:23:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:23,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:23,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:23,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:23,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:23,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:23,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:23,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:23,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:23,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:23,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:23,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 05:23:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:23,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:23,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:23,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:23,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:23,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:23,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:23,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:23,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:23,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:23,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:23,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 05:23:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:23,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:23,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:23,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:23,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:23,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:23,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:23,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:23,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:23,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:23,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:23,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-13 05:23:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:23,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:23,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:23,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:23,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:23,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:23,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:23,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:23,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:23,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:23,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:23,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-13 05:23:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:23,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:23,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:23,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:23,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:23,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:23,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:23,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:23,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:23,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:23,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:23,455 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 24 proven. 535 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-13 05:23:23,456 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [392708627] [2020-10-13 05:23:23,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:23:23,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-13 05:23:23,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346519381] [2020-10-13 05:23:23,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-13 05:23:23,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:23:23,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-13 05:23:23,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=993, Unknown=0, NotChecked=0, Total=1056 [2020-10-13 05:23:23,458 INFO L87 Difference]: Start difference. First operand 159 states and 161 transitions. Second operand 33 states. [2020-10-13 05:23:26,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:23:26,713 INFO L93 Difference]: Finished difference Result 173 states and 175 transitions. [2020-10-13 05:23:26,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-10-13 05:23:26,713 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 155 [2020-10-13 05:23:26,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:23:26,715 INFO L225 Difference]: With dead ends: 173 [2020-10-13 05:23:26,716 INFO L226 Difference]: Without dead ends: 171 [2020-10-13 05:23:26,717 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 432 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=204, Invalid=3702, Unknown=0, NotChecked=0, Total=3906 [2020-10-13 05:23:26,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-13 05:23:26,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 167. [2020-10-13 05:23:26,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-10-13 05:23:26,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 169 transitions. [2020-10-13 05:23:26,730 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 169 transitions. Word has length 155 [2020-10-13 05:23:26,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:23:26,730 INFO L479 AbstractCegarLoop]: Abstraction has 167 states and 169 transitions. [2020-10-13 05:23:26,730 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-13 05:23:26,730 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 169 transitions. [2020-10-13 05:23:26,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-13 05:23:26,732 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:23:26,732 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:23:26,732 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-13 05:23:26,732 INFO L427 AbstractCegarLoop]: === Iteration 28 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:23:26,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:23:26,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1997498452, now seen corresponding path program 25 times [2020-10-13 05:23:26,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:23:26,733 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1693154137] [2020-10-13 05:23:26,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:23:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:26,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:27,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:27,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-10-13 05:23:27,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:27,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 907 [2020-10-13 05:23:27,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:27,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-13 05:23:27,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:23:27,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-13 05:23:27,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:28,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:23:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:28,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:28,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:28,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:23:28,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:28,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:28,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:28,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:28,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:28,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:28,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:28,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:23:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:28,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:28,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:28,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:28,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:28,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:28,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:28,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:28,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:28,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:28,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:28,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 05:23:28,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:28,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:28,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:28,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:28,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:28,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:28,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:28,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:28,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:28,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:28,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:28,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-13 05:23:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:28,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:28,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:28,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:28,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:28,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:23:28,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:28,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:28,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:28,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:28,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:28,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-13 05:23:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:28,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:28,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:28,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:28,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:28,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:28,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:28,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:28,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:28,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:28,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:28,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 05:23:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:28,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:28,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:28,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:28,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:28,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:28,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:28,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:28,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:28,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:28,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:28,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 05:23:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:28,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:28,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:28,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:28,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:28,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:23:28,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:28,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:28,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:28,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:28,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:28,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 05:23:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:28,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:28,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:28,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:28,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:28,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:28,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:28,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:28,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:28,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:28,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:28,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-13 05:23:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:28,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:28,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:28,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:28,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:28,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:28,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:28,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:28,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:28,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:28,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:28,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 05:23:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:28,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:28,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:28,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:28,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:28,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:23:28,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:28,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:28,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:28,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:28,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:28,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 05:23:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:28,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:28,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:28,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:28,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:28,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:23:28,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:28,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:28,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:28,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:28,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:28,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 05:23:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:28,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:28,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:28,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:28,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:28,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:28,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:28,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:28,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:28,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:28,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:28,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-13 05:23:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:28,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:28,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:28,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:28,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:28,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 05:23:28,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:28,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:28,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:28,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:28,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:28,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-13 05:23:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:28,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:28,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:28,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:28,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:28,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:23:28,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:28,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:28,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:28,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:28,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:28,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-13 05:23:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:28,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:28,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:28,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:28,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:28,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 05:23:28,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:28,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:28,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:28,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:28,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:28,526 INFO L134 CoverageAnalysis]: Checked inductivity of 923 backedges. 364 proven. 247 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-13 05:23:28,527 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1693154137] [2020-10-13 05:23:28,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:23:28,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-13 05:23:28,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199369403] [2020-10-13 05:23:28,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-13 05:23:28,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:23:28,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-13 05:23:28,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=243, Invalid=749, Unknown=0, NotChecked=0, Total=992 [2020-10-13 05:23:28,530 INFO L87 Difference]: Start difference. First operand 167 states and 169 transitions. Second operand 32 states. [2020-10-13 05:23:29,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:23:29,691 INFO L93 Difference]: Finished difference Result 399 states and 406 transitions. [2020-10-13 05:23:29,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-13 05:23:29,692 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 163 [2020-10-13 05:23:29,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:23:29,695 INFO L225 Difference]: With dead ends: 399 [2020-10-13 05:23:29,695 INFO L226 Difference]: Without dead ends: 177 [2020-10-13 05:23:29,696 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 417 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=499, Invalid=1663, Unknown=0, NotChecked=0, Total=2162 [2020-10-13 05:23:29,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2020-10-13 05:23:29,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 170. [2020-10-13 05:23:29,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-10-13 05:23:29,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 172 transitions. [2020-10-13 05:23:29,708 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 172 transitions. Word has length 163 [2020-10-13 05:23:29,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:23:29,708 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 172 transitions. [2020-10-13 05:23:29,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-13 05:23:29,708 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 172 transitions. [2020-10-13 05:23:29,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-13 05:23:29,710 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:23:29,710 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:23:29,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-13 05:23:29,710 INFO L427 AbstractCegarLoop]: === Iteration 29 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:23:29,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:23:29,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1872510502, now seen corresponding path program 26 times [2020-10-13 05:23:29,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:23:29,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [831366112] [2020-10-13 05:23:29,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:23:29,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:29,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:30,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:30,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-13 05:23:30,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:30,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1112 [2020-10-13 05:23:30,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:30,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-13 05:23:30,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:23:30,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-13 05:23:30,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:31,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:23:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:31,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:31,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:31,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:23:31,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:31,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:31,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:31,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:31,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:31,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:31,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:31,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:23:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:31,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:31,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:31,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:31,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:31,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:31,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:31,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:31,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:31,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:31,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:31,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 05:23:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:31,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:31,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:31,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:31,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:31,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:31,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:31,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:31,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:31,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:31,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:31,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-13 05:23:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:31,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:31,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:31,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:31,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:31,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:31,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:31,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:31,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:31,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:31,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:31,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-13 05:23:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:31,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:31,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:31,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:31,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:31,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:31,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:31,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:31,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:31,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:31,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:31,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 05:23:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:31,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:31,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:31,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:31,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:31,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:31,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:31,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:31,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:31,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:31,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:31,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-13 05:23:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:31,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:31,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:31,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:31,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:31,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:31,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:31,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:31,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:31,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:31,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:31,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 05:23:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:31,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:31,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:31,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:31,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:31,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:31,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:31,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:31,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:31,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:31,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:31,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 05:23:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:31,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:31,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:31,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:31,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:31,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:31,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:31,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:31,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:31,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:31,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:31,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-13 05:23:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:31,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:32,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:32,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:32,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:32,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:32,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:32,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:32,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:32,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:32,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:32,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 05:23:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:32,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:32,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:32,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:32,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:32,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:32,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:32,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:32,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:32,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:32,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:32,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-13 05:23:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:32,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:32,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:32,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:32,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:32,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:32,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:32,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:32,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:32,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:32,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:32,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-13 05:23:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:32,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:32,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:32,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:32,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:32,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:32,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:32,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:32,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:32,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:32,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:32,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-13 05:23:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:32,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:32,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:32,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:32,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:32,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:32,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:32,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:32,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:32,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:32,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:32,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-13 05:23:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:32,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:32,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:32,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:32,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:32,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:32,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:32,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:32,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:32,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:32,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:32,062 INFO L134 CoverageAnalysis]: Checked inductivity of 963 backedges. 26 proven. 625 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-13 05:23:32,063 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [831366112] [2020-10-13 05:23:32,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:23:32,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-13 05:23:32,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920047382] [2020-10-13 05:23:32,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-13 05:23:32,064 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:23:32,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-13 05:23:32,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=1123, Unknown=0, NotChecked=0, Total=1190 [2020-10-13 05:23:32,065 INFO L87 Difference]: Start difference. First operand 170 states and 172 transitions. Second operand 35 states. [2020-10-13 05:23:35,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:23:35,698 INFO L93 Difference]: Finished difference Result 184 states and 186 transitions. [2020-10-13 05:23:35,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-10-13 05:23:35,699 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 166 [2020-10-13 05:23:35,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:23:35,701 INFO L225 Difference]: With dead ends: 184 [2020-10-13 05:23:35,701 INFO L226 Difference]: Without dead ends: 182 [2020-10-13 05:23:35,704 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=217, Invalid=4205, Unknown=0, NotChecked=0, Total=4422 [2020-10-13 05:23:35,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-10-13 05:23:35,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 178. [2020-10-13 05:23:35,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-10-13 05:23:35,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 180 transitions. [2020-10-13 05:23:35,717 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 180 transitions. Word has length 166 [2020-10-13 05:23:35,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:23:35,718 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 180 transitions. [2020-10-13 05:23:35,718 INFO L480 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-13 05:23:35,718 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 180 transitions. [2020-10-13 05:23:35,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-13 05:23:35,719 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:23:35,720 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:23:35,720 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-13 05:23:35,720 INFO L427 AbstractCegarLoop]: === Iteration 30 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:23:35,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:23:35,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1685524432, now seen corresponding path program 27 times [2020-10-13 05:23:35,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:23:35,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1132400197] [2020-10-13 05:23:35,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:23:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:35,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:36,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:36,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-13 05:23:36,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:36,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 891 [2020-10-13 05:23:36,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:36,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-13 05:23:36,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:23:36,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 186 [2020-10-13 05:23:36,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:37,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:23:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:37,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:37,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:37,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:23:37,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:37,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:37,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:37,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:37,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:37,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:37,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:37,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:23:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:37,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:37,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:37,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:37,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:37,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:37,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:37,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:37,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:37,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:37,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:37,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 05:23:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:37,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:37,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:37,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:37,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:37,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:37,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:37,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:37,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:37,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:37,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:37,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-13 05:23:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:37,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:37,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:37,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:37,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:37,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:23:37,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:37,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:37,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:37,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:37,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:37,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-13 05:23:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:37,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:37,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:37,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:37,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:37,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:37,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:37,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:37,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:37,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:37,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:37,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 05:23:37,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:37,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:37,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:37,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:37,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:37,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:37,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:37,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:37,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:37,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:37,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:37,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-13 05:23:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:37,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:37,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:37,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:37,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:37,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:37,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:37,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:37,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:37,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:37,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:37,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 05:23:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:37,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:37,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:37,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:37,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:37,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 05:23:37,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:37,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:37,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:37,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:37,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:37,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 05:23:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:37,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:37,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:37,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:37,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:37,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:37,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:37,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:37,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:37,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:37,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:37,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-13 05:23:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:37,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:37,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:37,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:37,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:37,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:37,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:37,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:37,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:37,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:37,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:37,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 05:23:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:37,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:37,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:37,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:37,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:37,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:37,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:37,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:37,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:37,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:37,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:37,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-13 05:23:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:37,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:37,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:37,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:37,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:37,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:37,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:37,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:37,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:37,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:37,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:37,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-13 05:23:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:37,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:37,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:37,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:37,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:37,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:37,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:37,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:37,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:37,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:37,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:37,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-13 05:23:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:37,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:37,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:37,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:37,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:37,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:37,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:37,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:37,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:37,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:37,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:37,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-13 05:23:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:37,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:37,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:37,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:37,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:37,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:37,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:37,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:37,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:37,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:37,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:37,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-13 05:23:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:37,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:37,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:37,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:37,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:37,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:37,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:37,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:37,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:37,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:37,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:37,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 420 proven. 287 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-10-13 05:23:37,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1132400197] [2020-10-13 05:23:37,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:23:37,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-10-13 05:23:37,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68828794] [2020-10-13 05:23:37,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-13 05:23:37,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:23:37,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-13 05:23:37,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=847, Unknown=0, NotChecked=0, Total=1122 [2020-10-13 05:23:37,459 INFO L87 Difference]: Start difference. First operand 178 states and 180 transitions. Second operand 34 states. [2020-10-13 05:23:38,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:23:38,597 INFO L93 Difference]: Finished difference Result 426 states and 433 transitions. [2020-10-13 05:23:38,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-13 05:23:38,597 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 174 [2020-10-13 05:23:38,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:23:38,599 INFO L225 Difference]: With dead ends: 426 [2020-10-13 05:23:38,600 INFO L226 Difference]: Without dead ends: 188 [2020-10-13 05:23:38,601 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=564, Invalid=1886, Unknown=0, NotChecked=0, Total=2450 [2020-10-13 05:23:38,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-10-13 05:23:38,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 181. [2020-10-13 05:23:38,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-10-13 05:23:38,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 183 transitions. [2020-10-13 05:23:38,615 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 183 transitions. Word has length 174 [2020-10-13 05:23:38,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:23:38,615 INFO L479 AbstractCegarLoop]: Abstraction has 181 states and 183 transitions. [2020-10-13 05:23:38,616 INFO L480 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-13 05:23:38,616 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 183 transitions. [2020-10-13 05:23:38,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-13 05:23:38,617 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:23:38,617 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:23:38,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-13 05:23:38,617 INFO L427 AbstractCegarLoop]: === Iteration 31 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:23:38,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:23:38,618 INFO L82 PathProgramCache]: Analyzing trace with hash 88292674, now seen corresponding path program 28 times [2020-10-13 05:23:38,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:23:38,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2069413694] [2020-10-13 05:23:38,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:23:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:38,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:39,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:39,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-13 05:23:39,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:39,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1091 [2020-10-13 05:23:39,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:39,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-13 05:23:39,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:23:39,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 194 [2020-10-13 05:23:39,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:40,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:23:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:40,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:40,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:40,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:23:40,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:40,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:40,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:40,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:40,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:40,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:40,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:40,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:23:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:40,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:40,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:40,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:40,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:40,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:40,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:40,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:40,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:40,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:40,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:40,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 05:23:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:40,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:40,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:40,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:40,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:40,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:40,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:40,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:40,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:40,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:40,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:40,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 05:23:40,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:40,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:40,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:40,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:40,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:40,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:40,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:40,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:40,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:40,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:40,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:40,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 05:23:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:40,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:40,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:40,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:40,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:40,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:40,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:40,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:40,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:40,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:40,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:40,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 05:23:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:40,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:40,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:40,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:40,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:40,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:40,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:40,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:40,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:40,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:40,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:40,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 05:23:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:40,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:40,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:40,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:40,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:40,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:40,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:40,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:40,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:40,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:40,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:40,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 05:23:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:40,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:40,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:40,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:40,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:40,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:40,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:40,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:40,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:40,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:40,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:40,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 05:23:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:40,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:40,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:40,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:40,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:40,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:23:40,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:40,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:40,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:40,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:40,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:40,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 05:23:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:40,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:40,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:40,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:40,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:40,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:40,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:40,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:40,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:40,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:40,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:40,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 05:23:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:40,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:40,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:40,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:40,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:40,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:40,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:40,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:40,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:40,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:40,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:40,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 05:23:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:40,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:40,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:40,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:40,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:40,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:40,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:40,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:40,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:40,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:40,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:40,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-13 05:23:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:40,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:40,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:40,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:40,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:40,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:40,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:40,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:40,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:40,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:40,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:40,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 05:23:40,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:40,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:40,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:40,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:40,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:40,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:40,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:40,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:40,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:40,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:40,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:40,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 05:23:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:40,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:40,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:40,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:40,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:40,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:40,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:40,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:40,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:40,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:40,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:40,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-13 05:23:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:40,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:40,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:40,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:40,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:40,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:23:40,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:40,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:40,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:40,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:40,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:40,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 28 proven. 722 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-10-13 05:23:40,937 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2069413694] [2020-10-13 05:23:40,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:23:40,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-10-13 05:23:40,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484798091] [2020-10-13 05:23:40,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-13 05:23:40,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:23:40,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-13 05:23:40,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=1261, Unknown=0, NotChecked=0, Total=1332 [2020-10-13 05:23:40,940 INFO L87 Difference]: Start difference. First operand 181 states and 183 transitions. Second operand 37 states. [2020-10-13 05:23:45,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:23:45,067 INFO L93 Difference]: Finished difference Result 195 states and 197 transitions. [2020-10-13 05:23:45,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-13 05:23:45,068 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 177 [2020-10-13 05:23:45,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:23:45,070 INFO L225 Difference]: With dead ends: 195 [2020-10-13 05:23:45,070 INFO L226 Difference]: Without dead ends: 193 [2020-10-13 05:23:45,073 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 558 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=230, Invalid=4740, Unknown=0, NotChecked=0, Total=4970 [2020-10-13 05:23:45,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-10-13 05:23:45,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 189. [2020-10-13 05:23:45,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-10-13 05:23:45,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 191 transitions. [2020-10-13 05:23:45,094 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 191 transitions. Word has length 177 [2020-10-13 05:23:45,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:23:45,094 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 191 transitions. [2020-10-13 05:23:45,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-10-13 05:23:45,095 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 191 transitions. [2020-10-13 05:23:45,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-13 05:23:45,097 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:23:45,098 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:23:45,098 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-13 05:23:45,098 INFO L427 AbstractCegarLoop]: === Iteration 32 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:23:45,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:23:45,099 INFO L82 PathProgramCache]: Analyzing trace with hash -561347688, now seen corresponding path program 29 times [2020-10-13 05:23:45,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:23:45,099 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1451566938] [2020-10-13 05:23:45,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:23:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:45,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:46,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:46,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-13 05:23:46,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:46,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1078 [2020-10-13 05:23:46,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:46,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-13 05:23:46,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:23:46,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 199 [2020-10-13 05:23:46,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:46,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:23:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:46,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:46,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:46,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:23:46,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:46,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:46,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:46,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:46,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:46,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:46,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:46,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:23:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:46,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:46,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:46,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:46,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:46,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:46,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:46,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:46,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:46,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:46,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:46,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 05:23:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:46,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:46,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:46,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:46,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:46,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:46,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:46,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:46,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:46,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:46,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:46,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 05:23:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:46,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:46,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:46,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:46,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:46,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:46,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:46,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:46,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:46,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:46,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:46,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 05:23:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:46,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:46,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:46,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:46,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:46,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:46,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:46,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:46,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:46,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:46,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:46,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 05:23:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:46,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:46,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:46,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:46,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:46,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:46,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:46,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:46,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:46,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:46,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:46,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 05:23:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:46,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:46,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:46,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:46,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:46,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:46,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:46,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:46,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:46,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:46,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:46,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 05:23:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:46,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:46,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:46,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:46,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:46,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:46,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:46,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:46,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:46,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:46,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:46,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 05:23:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:46,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:46,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:46,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:46,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:46,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:46,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:46,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:46,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:46,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:46,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:46,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 05:23:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:46,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:46,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:46,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:46,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:46,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:46,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:46,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:46,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:46,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:46,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:46,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 05:23:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:46,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:46,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:46,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:46,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:46,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:46,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:46,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:46,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:46,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:46,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:46,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 05:23:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:46,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:46,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:46,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:46,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:46,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:46,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:46,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:46,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:46,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:46,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:23:46,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-13 05:23:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:46,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:46,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:46,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:46,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:46,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:46,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:46,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:46,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:46,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:46,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:46,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 05:23:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:46,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:46,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:46,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:46,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:46,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:46,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:46,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:46,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:46,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:46,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:46,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 05:23:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:46,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:46,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:46,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:46,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:46,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:46,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:46,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:46,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:46,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:46,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:46,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-13 05:23:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:46,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:46,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:46,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:46,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:46,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:46,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:46,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:46,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:46,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:46,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:46,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-13 05:23:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:46,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:46,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:46,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:46,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:46,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:46,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:46,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:46,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:46,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:46,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:46,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 480 proven. 330 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-13 05:23:46,977 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1451566938] [2020-10-13 05:23:46,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:23:46,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2020-10-13 05:23:46,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540988641] [2020-10-13 05:23:46,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 36 states [2020-10-13 05:23:46,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:23:46,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-10-13 05:23:46,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=951, Unknown=0, NotChecked=0, Total=1260 [2020-10-13 05:23:46,981 INFO L87 Difference]: Start difference. First operand 189 states and 191 transitions. Second operand 36 states. [2020-10-13 05:23:48,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:23:48,269 INFO L93 Difference]: Finished difference Result 453 states and 460 transitions. [2020-10-13 05:23:48,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-13 05:23:48,270 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 185 [2020-10-13 05:23:48,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:23:48,272 INFO L225 Difference]: With dead ends: 453 [2020-10-13 05:23:48,272 INFO L226 Difference]: Without dead ends: 199 [2020-10-13 05:23:48,274 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=633, Invalid=2123, Unknown=0, NotChecked=0, Total=2756 [2020-10-13 05:23:48,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-10-13 05:23:48,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 192. [2020-10-13 05:23:48,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-10-13 05:23:48,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 194 transitions. [2020-10-13 05:23:48,286 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 194 transitions. Word has length 185 [2020-10-13 05:23:48,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:23:48,287 INFO L479 AbstractCegarLoop]: Abstraction has 192 states and 194 transitions. [2020-10-13 05:23:48,287 INFO L480 AbstractCegarLoop]: Interpolant automaton has 36 states. [2020-10-13 05:23:48,287 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 194 transitions. [2020-10-13 05:23:48,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-10-13 05:23:48,288 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:23:48,288 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:23:48,288 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-13 05:23:48,289 INFO L427 AbstractCegarLoop]: === Iteration 33 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:23:48,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:23:48,289 INFO L82 PathProgramCache]: Analyzing trace with hash -171198650, now seen corresponding path program 30 times [2020-10-13 05:23:48,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:23:48,289 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [842175727] [2020-10-13 05:23:48,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:23:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:48,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:49,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:49,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-13 05:23:49,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:49,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1550 [2020-10-13 05:23:49,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:49,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-13 05:23:49,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:23:49,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-10-13 05:23:49,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:50,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:23:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:50,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:50,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:50,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:23:50,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:50,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:50,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:50,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:50,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:50,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:50,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:50,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:23:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:50,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:50,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:50,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:50,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:50,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 05:23:50,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:50,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:50,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:50,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:50,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:51,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 05:23:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:51,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:51,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:51,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:51,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:51,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:51,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:51,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:51,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:51,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:51,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:51,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 05:23:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:51,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:51,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:51,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:51,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:51,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:51,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:51,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:51,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:51,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:51,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:51,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 05:23:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:51,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:51,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:51,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:51,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:51,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:51,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:51,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:51,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:51,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:51,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:51,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 05:23:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:51,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:51,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:51,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:51,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:51,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:51,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:51,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:51,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:51,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:51,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:51,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 05:23:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:51,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:51,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:51,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:51,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:51,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:51,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:51,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:51,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:51,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:51,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:51,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 05:23:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:51,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:51,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:51,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:51,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:51,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:51,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:51,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:51,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:51,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:51,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:51,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-13 05:23:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:51,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:51,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:51,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:51,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:51,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:51,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:51,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:51,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:51,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:51,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:51,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-13 05:23:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:51,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:51,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:51,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:51,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:51,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:51,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:51,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:51,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:51,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:51,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:51,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-13 05:23:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:51,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:51,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:51,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:51,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:51,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:51,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:51,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:51,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:51,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:51,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:51,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 05:23:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:51,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:51,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:51,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:51,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:51,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:51,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:51,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:51,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:51,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:51,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:51,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 05:23:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:51,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:51,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:51,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:51,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:51,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:51,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:51,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:51,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:51,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:51,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:51,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-13 05:23:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:51,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:51,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:51,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:51,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:51,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:51,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:51,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:51,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:51,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:51,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:51,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-13 05:23:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:51,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:51,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:51,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:51,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:51,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:51,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:51,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:51,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:51,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:51,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:51,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-13 05:23:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:51,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:51,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:51,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:51,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:51,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:51,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:51,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:51,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:51,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:51,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:51,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-13 05:23:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:51,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:51,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:51,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:51,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:51,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:23:51,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:51,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:51,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:51,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:51,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:51,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 30 proven. 826 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-13 05:23:51,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [842175727] [2020-10-13 05:23:51,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:23:51,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2020-10-13 05:23:51,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389518270] [2020-10-13 05:23:51,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 39 states [2020-10-13 05:23:51,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:23:51,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2020-10-13 05:23:51,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=1405, Unknown=0, NotChecked=0, Total=1482 [2020-10-13 05:23:51,133 INFO L87 Difference]: Start difference. First operand 192 states and 194 transitions. Second operand 39 states. [2020-10-13 05:23:55,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:23:55,638 INFO L93 Difference]: Finished difference Result 206 states and 208 transitions. [2020-10-13 05:23:55,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-13 05:23:55,639 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 188 [2020-10-13 05:23:55,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:23:55,641 INFO L225 Difference]: With dead ends: 206 [2020-10-13 05:23:55,641 INFO L226 Difference]: Without dead ends: 204 [2020-10-13 05:23:55,643 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 646 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=240, Invalid=5162, Unknown=0, NotChecked=0, Total=5402 [2020-10-13 05:23:55,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-10-13 05:23:55,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 200. [2020-10-13 05:23:55,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-10-13 05:23:55,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 202 transitions. [2020-10-13 05:23:55,659 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 202 transitions. Word has length 188 [2020-10-13 05:23:55,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:23:55,659 INFO L479 AbstractCegarLoop]: Abstraction has 200 states and 202 transitions. [2020-10-13 05:23:55,659 INFO L480 AbstractCegarLoop]: Interpolant automaton has 39 states. [2020-10-13 05:23:55,659 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 202 transitions. [2020-10-13 05:23:55,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-13 05:23:55,661 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:23:55,661 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:23:55,661 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-13 05:23:55,661 INFO L427 AbstractCegarLoop]: === Iteration 34 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:23:55,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:23:55,662 INFO L82 PathProgramCache]: Analyzing trace with hash -1257588324, now seen corresponding path program 31 times [2020-10-13 05:23:55,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:23:55,662 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [556964198] [2020-10-13 05:23:55,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:23:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:55,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:56,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:56,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-13 05:23:56,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:56,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1283 [2020-10-13 05:23:56,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:56,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-13 05:23:56,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:23:56,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 212 [2020-10-13 05:23:56,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:57,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:23:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:57,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:57,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:57,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:23:57,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:57,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:23:57,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:57,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:57,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:57,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:57,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:57,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:23:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:57,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:57,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:57,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:57,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:57,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 05:23:57,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:57,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:23:57,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:57,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:23:57,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:57,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 05:23:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:57,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:57,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:57,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:57,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:57,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:57,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:57,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:57,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:57,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:57,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:57,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 05:23:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:57,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:57,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:57,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:57,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:57,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:57,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:57,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:57,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:57,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:57,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:57,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 05:23:57,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:57,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:57,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:57,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:57,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:57,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:57,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:57,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:57,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:57,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:57,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:57,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 05:23:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:57,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:57,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:57,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:57,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:57,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:57,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:57,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:57,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:57,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:57,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:57,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 05:23:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:57,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:57,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:57,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:57,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:57,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:57,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:57,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:57,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:57,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:57,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:57,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 05:23:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:57,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:57,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:57,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:57,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:57,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:57,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:57,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:57,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:57,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:57,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:57,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-13 05:23:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:57,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:57,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:57,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:57,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:57,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:57,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:57,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:57,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:57,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:57,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:57,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-13 05:23:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:57,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:57,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:57,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:57,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:57,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:57,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:57,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:57,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:57,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:57,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:57,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-13 05:23:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:57,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:57,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:57,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:57,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:57,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:57,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:57,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:57,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:57,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:57,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:57,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 05:23:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:57,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:57,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:57,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:57,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:57,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:57,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:57,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:57,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:57,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:57,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:57,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 05:23:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:57,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:57,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:57,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:57,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:57,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:57,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:57,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:57,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:57,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:57,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:57,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-13 05:23:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:57,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:57,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:57,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:57,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:57,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:57,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:57,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:57,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:57,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:57,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:57,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-13 05:23:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:57,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:57,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:57,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:57,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:57,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:57,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:57,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:57,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:57,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:57,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:57,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-13 05:23:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:57,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:57,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:57,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:57,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:57,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:57,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:57,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:57,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:57,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:57,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:57,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-13 05:23:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:57,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:57,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:57,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:57,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:57,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:57,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:57,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:57,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:57,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:57,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:57,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-13 05:23:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:57,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:23:57,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:23:57,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:23:57,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:23:57,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:23:57,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:23:57,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:23:57,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:23:57,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:23:57,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:23:57,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1400 backedges. 544 proven. 376 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-10-13 05:23:57,749 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [556964198] [2020-10-13 05:23:57,749 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:23:57,750 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2020-10-13 05:23:57,750 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999113183] [2020-10-13 05:23:57,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 38 states [2020-10-13 05:23:57,750 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:23:57,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2020-10-13 05:23:57,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=345, Invalid=1061, Unknown=0, NotChecked=0, Total=1406 [2020-10-13 05:23:57,751 INFO L87 Difference]: Start difference. First operand 200 states and 202 transitions. Second operand 38 states. [2020-10-13 05:23:59,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:23:59,148 INFO L93 Difference]: Finished difference Result 480 states and 487 transitions. [2020-10-13 05:23:59,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-13 05:23:59,149 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 196 [2020-10-13 05:23:59,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:23:59,151 INFO L225 Difference]: With dead ends: 480 [2020-10-13 05:23:59,151 INFO L226 Difference]: Without dead ends: 210 [2020-10-13 05:23:59,153 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=706, Invalid=2374, Unknown=0, NotChecked=0, Total=3080 [2020-10-13 05:23:59,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2020-10-13 05:23:59,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 203. [2020-10-13 05:23:59,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-10-13 05:23:59,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 205 transitions. [2020-10-13 05:23:59,169 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 205 transitions. Word has length 196 [2020-10-13 05:23:59,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:23:59,169 INFO L479 AbstractCegarLoop]: Abstraction has 203 states and 205 transitions. [2020-10-13 05:23:59,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 38 states. [2020-10-13 05:23:59,169 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 205 transitions. [2020-10-13 05:23:59,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-10-13 05:23:59,170 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:23:59,171 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:23:59,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-13 05:23:59,171 INFO L427 AbstractCegarLoop]: === Iteration 35 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:23:59,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:23:59,171 INFO L82 PathProgramCache]: Analyzing trace with hash -640021202, now seen corresponding path program 32 times [2020-10-13 05:23:59,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:23:59,172 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2002288369] [2020-10-13 05:23:59,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:23:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:23:59,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:00,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:00,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-13 05:24:00,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:00,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1599 [2020-10-13 05:24:00,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:00,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-13 05:24:00,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:24:00,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 220 [2020-10-13 05:24:00,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:02,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:24:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:02,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:02,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:02,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:24:02,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:02,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:02,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:02,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:24:02,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:02,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:24:02,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:02,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:24:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:02,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:02,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:02,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:02,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:02,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 05:24:02,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:02,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:24:02,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:02,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:24:02,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:02,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-13 05:24:02,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:02,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:02,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:02,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:02,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:02,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:02,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:02,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:02,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:02,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:02,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:02,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 05:24:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:02,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:02,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:02,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:02,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:02,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:02,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:02,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:02,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:02,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:02,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:02,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 05:24:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:02,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:02,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:02,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:02,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:02,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:02,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:02,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:02,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:02,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:02,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:02,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 05:24:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:02,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:02,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:02,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:02,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:02,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:02,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:02,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:02,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:02,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:02,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:02,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 05:24:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:02,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:02,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:02,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:02,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:02,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:02,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:02,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:02,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:02,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:02,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:02,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 05:24:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:02,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:02,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:02,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:02,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:02,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:02,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:02,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:02,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:02,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:02,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:02,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 05:24:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:02,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:02,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:02,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:02,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:02,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:02,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:02,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:02,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:02,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:02,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:02,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 05:24:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:02,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:02,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:02,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:02,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:02,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:02,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:02,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:02,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:02,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:02,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:02,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 05:24:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:02,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:02,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:02,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:02,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:02,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:02,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:02,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:02,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:02,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:02,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:02,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 05:24:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:02,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:02,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:02,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:02,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:02,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:02,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:02,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:02,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:02,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:02,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:02,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-13 05:24:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:02,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:02,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:02,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:02,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:02,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:02,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:02,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:02,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:02,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:02,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:02,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-13 05:24:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:02,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:02,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:02,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:02,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:02,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:02,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:02,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:02,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:02,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:02,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:02,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-13 05:24:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:02,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:02,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:02,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:02,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:02,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:02,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:02,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:02,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:02,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:02,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:02,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-13 05:24:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:02,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:02,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:02,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:02,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:02,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:02,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:02,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:02,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:02,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:02,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:02,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-13 05:24:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:02,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:02,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:02,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:02,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:02,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:02,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:02,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:02,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:02,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:02,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:02,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 05:24:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:02,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:02,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:02,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:02,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:02,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:02,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:02,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:02,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:02,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:02,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:02,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1449 backedges. 32 proven. 937 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-10-13 05:24:02,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2002288369] [2020-10-13 05:24:02,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:24:02,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2020-10-13 05:24:02,166 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973028077] [2020-10-13 05:24:02,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2020-10-13 05:24:02,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:24:02,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2020-10-13 05:24:02,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1561, Unknown=0, NotChecked=0, Total=1640 [2020-10-13 05:24:02,167 INFO L87 Difference]: Start difference. First operand 203 states and 205 transitions. Second operand 41 states. [2020-10-13 05:24:07,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:24:07,369 INFO L93 Difference]: Finished difference Result 217 states and 219 transitions. [2020-10-13 05:24:07,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-10-13 05:24:07,371 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 199 [2020-10-13 05:24:07,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:24:07,373 INFO L225 Difference]: With dead ends: 217 [2020-10-13 05:24:07,373 INFO L226 Difference]: Without dead ends: 215 [2020-10-13 05:24:07,374 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 700 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=256, Invalid=5906, Unknown=0, NotChecked=0, Total=6162 [2020-10-13 05:24:07,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-10-13 05:24:07,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 211. [2020-10-13 05:24:07,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-10-13 05:24:07,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 213 transitions. [2020-10-13 05:24:07,390 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 213 transitions. Word has length 199 [2020-10-13 05:24:07,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:24:07,390 INFO L479 AbstractCegarLoop]: Abstraction has 211 states and 213 transitions. [2020-10-13 05:24:07,390 INFO L480 AbstractCegarLoop]: Interpolant automaton has 41 states. [2020-10-13 05:24:07,390 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 213 transitions. [2020-10-13 05:24:07,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-13 05:24:07,391 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:24:07,392 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:24:07,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-13 05:24:07,392 INFO L427 AbstractCegarLoop]: === Iteration 36 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:24:07,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:24:07,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1040668796, now seen corresponding path program 33 times [2020-10-13 05:24:07,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:24:07,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1906052872] [2020-10-13 05:24:07,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:24:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:07,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:08,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:08,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-13 05:24:08,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:08,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1380 [2020-10-13 05:24:08,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:08,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-13 05:24:08,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:24:08,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 225 [2020-10-13 05:24:08,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:09,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:24:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:09,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:09,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:09,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:24:09,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:09,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:24:09,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:09,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:24:09,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:09,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:24:09,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:09,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:24:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:09,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:09,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:09,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:09,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:09,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 05:24:09,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:09,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:24:09,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:09,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:24:09,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:09,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-13 05:24:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:09,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:09,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:09,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:09,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:09,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:09,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:09,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:09,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:09,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:09,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:09,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 05:24:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:09,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:09,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:09,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:09,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:09,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:09,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:09,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:09,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:09,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:09,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:09,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 05:24:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:09,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:09,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:09,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:09,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:09,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:09,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:09,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:09,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:09,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:09,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:09,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 05:24:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:09,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:09,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:09,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:09,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:09,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:09,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:09,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:09,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:09,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:09,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:09,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 05:24:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:09,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:09,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:09,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:09,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:09,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:24:09,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:09,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:09,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:09,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:09,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:09,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 05:24:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:09,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:09,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:09,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:09,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:09,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:09,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:09,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:09,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:09,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:09,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:09,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 05:24:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:09,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:09,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:09,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:09,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:09,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:09,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:09,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:09,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:09,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:09,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:09,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 05:24:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:09,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:09,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:09,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:09,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:09,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:09,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:09,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:09,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:09,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:09,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:09,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 05:24:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:09,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:09,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:09,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:09,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:09,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:09,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:09,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:09,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:09,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:09,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:09,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 05:24:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:09,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:09,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:09,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:09,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:09,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:09,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:09,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:09,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:09,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:09,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:09,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-13 05:24:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:09,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:09,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:09,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:09,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:09,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:24:09,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:09,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:09,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:09,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:09,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:09,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-13 05:24:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:09,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:09,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:09,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:09,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:09,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:24:09,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:09,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:09,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:09,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:09,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:09,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-13 05:24:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:09,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:09,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:09,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:09,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:09,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:24:09,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:09,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:09,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:09,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:09,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:09,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-13 05:24:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:09,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:09,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:09,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:09,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:09,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:09,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:09,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:09,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:09,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:09,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:09,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-13 05:24:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:09,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:09,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:09,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:09,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:09,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:09,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:09,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:09,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:09,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:09,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:09,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 05:24:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:09,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:09,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:09,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:09,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:09,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:24:09,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:09,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:09,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:09,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:09,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:09,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-13 05:24:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:09,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:09,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:09,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:09,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:09,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:24:09,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:09,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:09,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:09,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:09,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:09,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1581 backedges. 612 proven. 425 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-10-13 05:24:09,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1906052872] [2020-10-13 05:24:09,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:24:09,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2020-10-13 05:24:09,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012200220] [2020-10-13 05:24:09,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-10-13 05:24:09,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:24:09,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-10-13 05:24:09,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=383, Invalid=1177, Unknown=0, NotChecked=0, Total=1560 [2020-10-13 05:24:09,757 INFO L87 Difference]: Start difference. First operand 211 states and 213 transitions. Second operand 40 states. [2020-10-13 05:24:11,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:24:11,367 INFO L93 Difference]: Finished difference Result 507 states and 514 transitions. [2020-10-13 05:24:11,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-13 05:24:11,368 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 207 [2020-10-13 05:24:11,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:24:11,370 INFO L225 Difference]: With dead ends: 507 [2020-10-13 05:24:11,370 INFO L226 Difference]: Without dead ends: 221 [2020-10-13 05:24:11,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 681 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=783, Invalid=2639, Unknown=0, NotChecked=0, Total=3422 [2020-10-13 05:24:11,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-10-13 05:24:11,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 214. [2020-10-13 05:24:11,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-10-13 05:24:11,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 216 transitions. [2020-10-13 05:24:11,393 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 216 transitions. Word has length 207 [2020-10-13 05:24:11,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:24:11,394 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 216 transitions. [2020-10-13 05:24:11,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-10-13 05:24:11,394 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 216 transitions. [2020-10-13 05:24:11,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-13 05:24:11,399 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:24:11,399 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:24:11,399 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-10-13 05:24:11,399 INFO L427 AbstractCegarLoop]: === Iteration 37 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:24:11,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:24:11,400 INFO L82 PathProgramCache]: Analyzing trace with hash -776485710, now seen corresponding path program 34 times [2020-10-13 05:24:11,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:24:11,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1298899136] [2020-10-13 05:24:11,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:24:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:11,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:13,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:13,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-13 05:24:13,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:13,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2006 [2020-10-13 05:24:13,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:13,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-13 05:24:13,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:24:13,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 233 [2020-10-13 05:24:13,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:15,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:24:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:15,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:15,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:15,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:24:15,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:15,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:24:15,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:15,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:24:15,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:15,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:24:15,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:15,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:24:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:15,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:15,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:15,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:15,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:15,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:15,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:15,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:24:15,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:15,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:24:15,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:15,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-13 05:24:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:15,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:15,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:15,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:15,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:15,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:24:15,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:15,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:15,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:15,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:15,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:15,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 05:24:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:15,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:15,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:15,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:15,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:15,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:24:15,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:15,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:15,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:15,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:15,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:15,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-13 05:24:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:15,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:15,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:15,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:15,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:15,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:24:15,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:15,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:15,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:15,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:15,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:15,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 05:24:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:15,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:15,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:15,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:15,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:15,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:24:15,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:15,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:15,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:15,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:15,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:15,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 05:24:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:15,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:15,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:15,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:15,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:15,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:24:15,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:15,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:15,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:15,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:15,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:15,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 05:24:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:15,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:15,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:15,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:15,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:15,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:24:15,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:15,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:15,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:15,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:15,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:15,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 05:24:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:15,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:15,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:15,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:15,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:15,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:24:15,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:15,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:15,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:15,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:15,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:15,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-13 05:24:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:15,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:15,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:15,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:15,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:15,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:24:15,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:15,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:15,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:15,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:15,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:15,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 05:24:15,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:15,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:15,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:15,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:15,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:15,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:24:15,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:15,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:15,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:15,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:15,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:15,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-13 05:24:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:15,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:15,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:15,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:15,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:15,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:24:15,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:15,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:15,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:15,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:15,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:15,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-13 05:24:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:15,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:15,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:15,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:15,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:15,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:15,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:15,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:15,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:15,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:15,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:15,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-13 05:24:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:15,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:15,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:15,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:15,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:15,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:15,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:15,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:15,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-13 05:24:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:15,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:15,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:15,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:15,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:15,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:15,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:15,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:15,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:15,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:15,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:15,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-13 05:24:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:15,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:15,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:15,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:15,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:15,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:24:15,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:15,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:15,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:15,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:15,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:15,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-13 05:24:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:15,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:15,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:15,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:15,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:15,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:24:15,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:15,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:15,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:15,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:15,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:15,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-13 05:24:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:15,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:15,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:15,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:15,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:15,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:24:15,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:15,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:15,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:15,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:15,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:15,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-13 05:24:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:15,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:15,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:15,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:15,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:15,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:24:15,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:15,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:15,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1633 backedges. 34 proven. 1055 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-10-13 05:24:15,325 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1298899136] [2020-10-13 05:24:15,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:24:15,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2020-10-13 05:24:15,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563785410] [2020-10-13 05:24:15,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 43 states [2020-10-13 05:24:15,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:24:15,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2020-10-13 05:24:15,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2020-10-13 05:24:15,328 INFO L87 Difference]: Start difference. First operand 214 states and 216 transitions. Second operand 43 states. [2020-10-13 05:24:21,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:24:21,468 INFO L93 Difference]: Finished difference Result 228 states and 230 transitions. [2020-10-13 05:24:21,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-10-13 05:24:21,470 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 210 [2020-10-13 05:24:21,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:24:21,472 INFO L225 Difference]: With dead ends: 228 [2020-10-13 05:24:21,472 INFO L226 Difference]: Without dead ends: 226 [2020-10-13 05:24:21,473 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 777 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=269, Invalid=6537, Unknown=0, NotChecked=0, Total=6806 [2020-10-13 05:24:21,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-10-13 05:24:21,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 222. [2020-10-13 05:24:21,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-10-13 05:24:21,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 224 transitions. [2020-10-13 05:24:21,493 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 224 transitions. Word has length 210 [2020-10-13 05:24:21,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:24:21,494 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 224 transitions. [2020-10-13 05:24:21,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 43 states. [2020-10-13 05:24:21,494 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 224 transitions. [2020-10-13 05:24:21,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-13 05:24:21,495 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:24:21,496 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:24:21,496 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-10-13 05:24:21,496 INFO L427 AbstractCegarLoop]: === Iteration 38 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:24:21,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:24:21,496 INFO L82 PathProgramCache]: Analyzing trace with hash -344417528, now seen corresponding path program 35 times [2020-10-13 05:24:21,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:24:21,497 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1798136040] [2020-10-13 05:24:21,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:24:21,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:21,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:23,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:23,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-10-13 05:24:23,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:23,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1935 [2020-10-13 05:24:23,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:23,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-13 05:24:23,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:24:23,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 238 [2020-10-13 05:24:23,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:24,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:24:24,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:24,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:24,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:24,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:24:24,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:24,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:24,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:24,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:24:24,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:24,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:24:24,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:24,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:24:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:24,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:24,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:24,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:24,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:24,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 05:24:24,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:24,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:24:24,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:24,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:24:24,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:24,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-13 05:24:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:24,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:24,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:24,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:24,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:24,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:24,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:24,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:24,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:24,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:24,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:24,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 05:24:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:24,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:24,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:24,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:24,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:24,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:24,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:24,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:24,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:24,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:24,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:24,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-13 05:24:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:24,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:24,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:24,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:24,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:24,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:24,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:24,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:24,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:24,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:24,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:24,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 05:24:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:24,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:24,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:24,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:24,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:24,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:24,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:24,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:24,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:24,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:24,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:24,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 05:24:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:24,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:24,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:24,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:24,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:24,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:24,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:24,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:24,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:24,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:24,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:24,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 05:24:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:24,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:24,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:24,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:24,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:24,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:24,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:24,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:24,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:24,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:24,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:24,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 05:24:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:24,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:24,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:24,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:24,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:24,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:24,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:24,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:24,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:24,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:24,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:24,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-13 05:24:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:24,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:24,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:24,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:24,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:24,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:24,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:24,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:24,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:24,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:24,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:24,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 05:24:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:24,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:24,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:24,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:24,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:24,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:24,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:24,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:24,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:24,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:24,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:24,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-13 05:24:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:24,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:24,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:24,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:24,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:24,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:24,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:24,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:24,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:24,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:24,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:24,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-13 05:24:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:24,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:24,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:24,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:24,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:24,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:24,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:24,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:24,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:24,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:24,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:24,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-13 05:24:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:24,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:24,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:24,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:24,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:24,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:24,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:24,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:24,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:24,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:24,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:24,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-13 05:24:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:24,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:24,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:24,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:24,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:24,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:24,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:24,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:24,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:24,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:24,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:24,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-13 05:24:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:24,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:24,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:24,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:24,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:24,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:24,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:24,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:24,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:24,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:24,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:24,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-13 05:24:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:24,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:24,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:24,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:24,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:24,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:24,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:24,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:24,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:24,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:24,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:24,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-13 05:24:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:24,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:24,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:24,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:24,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:24,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:24,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:24,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:24,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:24,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:24,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:24,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-13 05:24:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:24,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:24,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:24,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:24,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:24,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:24,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:24,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:24,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:24,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:24,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:24,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-13 05:24:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:24,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:24,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:24,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:24,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:24,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:24,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:24,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:24,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:24,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:24,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:24,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1773 backedges. 615 proven. 546 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-10-13 05:24:24,497 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1798136040] [2020-10-13 05:24:24,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:24:24,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2020-10-13 05:24:24,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295484816] [2020-10-13 05:24:24,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 42 states [2020-10-13 05:24:24,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:24:24,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2020-10-13 05:24:24,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=425, Invalid=1297, Unknown=0, NotChecked=0, Total=1722 [2020-10-13 05:24:24,499 INFO L87 Difference]: Start difference. First operand 222 states and 224 transitions. Second operand 42 states. [2020-10-13 05:24:26,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:24:26,281 INFO L93 Difference]: Finished difference Result 534 states and 541 transitions. [2020-10-13 05:24:26,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-13 05:24:26,282 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 218 [2020-10-13 05:24:26,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:24:26,284 INFO L225 Difference]: With dead ends: 534 [2020-10-13 05:24:26,284 INFO L226 Difference]: Without dead ends: 232 [2020-10-13 05:24:26,285 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 775 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=825, Invalid=2835, Unknown=0, NotChecked=0, Total=3660 [2020-10-13 05:24:26,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2020-10-13 05:24:26,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 225. [2020-10-13 05:24:26,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-10-13 05:24:26,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 227 transitions. [2020-10-13 05:24:26,300 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 227 transitions. Word has length 218 [2020-10-13 05:24:26,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:24:26,300 INFO L479 AbstractCegarLoop]: Abstraction has 225 states and 227 transitions. [2020-10-13 05:24:26,301 INFO L480 AbstractCegarLoop]: Interpolant automaton has 42 states. [2020-10-13 05:24:26,301 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 227 transitions. [2020-10-13 05:24:26,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-13 05:24:26,302 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:24:26,302 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:24:26,302 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-10-13 05:24:26,302 INFO L427 AbstractCegarLoop]: === Iteration 39 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:24:26,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:24:26,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1610683674, now seen corresponding path program 36 times [2020-10-13 05:24:26,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:24:26,302 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [678582785] [2020-10-13 05:24:26,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:24:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:26,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:28,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:28,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-13 05:24:28,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:28,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2376 [2020-10-13 05:24:28,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:28,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-13 05:24:28,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:24:28,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 246 [2020-10-13 05:24:28,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 05:24:30,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:24:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:30,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:30,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:30,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:24:30,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:30,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:30,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:30,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:24:30,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:30,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:24:30,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:30,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:24:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:30,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:30,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:30,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:30,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:30,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 05:24:30,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:30,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:24:30,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:30,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:24:30,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:30,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 05:24:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:30,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:30,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:30,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:30,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:30,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:30,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:30,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:30,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:30,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:30,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:30,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 05:24:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:30,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:30,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:30,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:30,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:30,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:30,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:30,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:30,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:30,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:30,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:30,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 05:24:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:30,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:30,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:30,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:30,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:30,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:30,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:30,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:30,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:30,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:30,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:30,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 05:24:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:30,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:30,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:30,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:30,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:30,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:30,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:30,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:30,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:30,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:30,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:30,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 05:24:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:30,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:30,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:30,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:30,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:30,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:30,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:30,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:30,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:30,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:30,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:30,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-13 05:24:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:30,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:30,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:30,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:30,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:30,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:30,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:30,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:30,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:30,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:30,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:30,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-13 05:24:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:30,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:30,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:30,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:30,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:30,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:30,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:30,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:30,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:30,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:30,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:30,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-13 05:24:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:30,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:30,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:30,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:30,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:30,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:30,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:30,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:30,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:30,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:30,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:30,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-13 05:24:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:30,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:30,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:30,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:30,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:30,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:30,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:30,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:30,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:30,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:30,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:30,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-13 05:24:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:30,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:30,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:30,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:30,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:30,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:30,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:30,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:30,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:30,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:30,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:30,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-13 05:24:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:30,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:30,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:30,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:30,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:30,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:30,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:30,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:30,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:30,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:30,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:30,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-13 05:24:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:30,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:30,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:30,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:30,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:30,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:30,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:30,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:30,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:30,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:30,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:30,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-13 05:24:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:30,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:30,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:30,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:30,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:30,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:30,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:30,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:30,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:30,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:30,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:30,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-13 05:24:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:30,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:30,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:30,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:30,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:30,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:30,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:30,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:30,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:30,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:30,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:30,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-13 05:24:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:30,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:30,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:30,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:30,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:30,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:30,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:30,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:30,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:30,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:30,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:30,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-13 05:24:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:30,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:30,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:30,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:30,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:30,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:30,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:30,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:30,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:30,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:30,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:30,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-13 05:24:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:30,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:30,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:30,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:30,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:30,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:30,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:30,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:30,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:30,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:30,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:30,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-13 05:24:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:30,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:30,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:30,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:30,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:30,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:30,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:30,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:30,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:30,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:30,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:30,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1828 backedges. 36 proven. 1180 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-10-13 05:24:30,439 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [678582785] [2020-10-13 05:24:30,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:24:30,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2020-10-13 05:24:30,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450106769] [2020-10-13 05:24:30,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 45 states [2020-10-13 05:24:30,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:24:30,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2020-10-13 05:24:30,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1893, Unknown=0, NotChecked=0, Total=1980 [2020-10-13 05:24:30,440 INFO L87 Difference]: Start difference. First operand 225 states and 227 transitions. Second operand 45 states. [2020-10-13 05:24:36,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:24:36,807 INFO L93 Difference]: Finished difference Result 239 states and 241 transitions. [2020-10-13 05:24:36,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2020-10-13 05:24:36,808 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 221 [2020-10-13 05:24:36,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:24:36,810 INFO L225 Difference]: With dead ends: 239 [2020-10-13 05:24:36,810 INFO L226 Difference]: Without dead ends: 237 [2020-10-13 05:24:36,811 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 858 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=282, Invalid=7200, Unknown=0, NotChecked=0, Total=7482 [2020-10-13 05:24:36,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-13 05:24:36,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 233. [2020-10-13 05:24:36,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-13 05:24:36,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 235 transitions. [2020-10-13 05:24:36,830 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 235 transitions. Word has length 221 [2020-10-13 05:24:36,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:24:36,830 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 235 transitions. [2020-10-13 05:24:36,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 45 states. [2020-10-13 05:24:36,830 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 235 transitions. [2020-10-13 05:24:36,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-10-13 05:24:36,831 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:24:36,832 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 19, 19, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:24:36,832 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-10-13 05:24:36,832 INFO L427 AbstractCegarLoop]: === Iteration 40 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:24:36,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:24:36,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1086389392, now seen corresponding path program 37 times [2020-10-13 05:24:36,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:24:36,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1798274417] [2020-10-13 05:24:36,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:24:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:36,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:38,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:38,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-13 05:24:38,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:38,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1784 [2020-10-13 05:24:38,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:38,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-13 05:24:38,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:24:38,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 251 [2020-10-13 05:24:38,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:39,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:24:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:39,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:39,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:39,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:24:39,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:39,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:39,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:39,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:24:39,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:39,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:24:39,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:39,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:24:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:39,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:39,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:39,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:39,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:39,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 05:24:39,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:39,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:24:39,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:39,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:24:39,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:39,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 05:24:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:39,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:39,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:39,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:39,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:39,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:39,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:39,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:39,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:39,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:39,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:39,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 05:24:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:39,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:39,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:39,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:39,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:39,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:39,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:39,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:39,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:39,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:39,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:39,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 05:24:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:39,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:39,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:39,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:39,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:39,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:39,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:39,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:39,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:39,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:39,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:39,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 05:24:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:39,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:39,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:39,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:39,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:39,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:39,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:39,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:39,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:39,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:39,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:39,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 05:24:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:39,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:39,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:39,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:39,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:39,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:39,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:39,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:39,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:39,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:39,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:39,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-13 05:24:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:39,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:39,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:39,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:39,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:39,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:39,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:39,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:39,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:39,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:39,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:39,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-13 05:24:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:39,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:39,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:39,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:39,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:39,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:39,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:39,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:39,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:39,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:39,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:39,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-13 05:24:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:39,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:39,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:39,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:39,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:39,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:39,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:39,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:39,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:39,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:39,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:39,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-13 05:24:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:39,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:39,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:39,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:39,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:39,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:39,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:39,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:39,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:39,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:39,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:39,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-13 05:24:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:39,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:39,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:39,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:39,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:39,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:39,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:39,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:39,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:39,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:39,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:39,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-13 05:24:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:39,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:39,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:39,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:39,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:39,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:39,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:39,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:39,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:39,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:39,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:39,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-13 05:24:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:39,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:39,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:39,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:39,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:39,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:39,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:39,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:39,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:39,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:39,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:39,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-13 05:24:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:39,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:39,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:39,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:39,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:39,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:39,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:39,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:39,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:39,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:39,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:39,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-13 05:24:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:39,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:39,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:39,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:39,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:39,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:39,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:39,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:39,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:39,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:39,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:39,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-13 05:24:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:39,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:39,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:39,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:39,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:39,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:39,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:39,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:39,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:39,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:39,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:39,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-13 05:24:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:39,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:39,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:39,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:39,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:39,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:39,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:39,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:39,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:39,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:39,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:39,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-13 05:24:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:39,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:39,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:39,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:39,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:39,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:39,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:39,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:39,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:39,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:39,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:39,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-13 05:24:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:39,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:39,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:39,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:39,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:39,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:39,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:39,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:39,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:39,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:39,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:39,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-10-13 05:24:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:39,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:39,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:39,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:39,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:39,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:39,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:39,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:39,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:39,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:39,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:39,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1976 backedges. 760 proven. 532 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-10-13 05:24:39,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1798274417] [2020-10-13 05:24:39,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:24:39,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2020-10-13 05:24:39,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058182157] [2020-10-13 05:24:39,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 44 states [2020-10-13 05:24:39,737 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:24:39,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2020-10-13 05:24:39,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=465, Invalid=1427, Unknown=0, NotChecked=0, Total=1892 [2020-10-13 05:24:39,737 INFO L87 Difference]: Start difference. First operand 233 states and 235 transitions. Second operand 44 states. [2020-10-13 05:24:41,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:24:41,528 INFO L93 Difference]: Finished difference Result 561 states and 568 transitions. [2020-10-13 05:24:41,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-13 05:24:41,530 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 229 [2020-10-13 05:24:41,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:24:41,532 INFO L225 Difference]: With dead ends: 561 [2020-10-13 05:24:41,532 INFO L226 Difference]: Without dead ends: 243 [2020-10-13 05:24:41,533 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 837 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=949, Invalid=3211, Unknown=0, NotChecked=0, Total=4160 [2020-10-13 05:24:41,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-10-13 05:24:41,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 236. [2020-10-13 05:24:41,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-10-13 05:24:41,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 238 transitions. [2020-10-13 05:24:41,553 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 238 transitions. Word has length 229 [2020-10-13 05:24:41,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:24:41,553 INFO L479 AbstractCegarLoop]: Abstraction has 236 states and 238 transitions. [2020-10-13 05:24:41,553 INFO L480 AbstractCegarLoop]: Interpolant automaton has 44 states. [2020-10-13 05:24:41,553 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 238 transitions. [2020-10-13 05:24:41,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-13 05:24:41,555 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:24:41,555 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:24:41,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-10-13 05:24:41,555 INFO L427 AbstractCegarLoop]: === Iteration 41 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:24:41,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:24:41,556 INFO L82 PathProgramCache]: Analyzing trace with hash -654054882, now seen corresponding path program 38 times [2020-10-13 05:24:41,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:24:41,556 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [118316539] [2020-10-13 05:24:41,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:24:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:41,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:43,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:43,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-13 05:24:43,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:43,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2194 [2020-10-13 05:24:43,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:43,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-13 05:24:43,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:24:43,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 259 [2020-10-13 05:24:43,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:45,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:24:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:45,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:45,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:45,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:24:45,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:45,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:45,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:45,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:24:45,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:45,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:24:45,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:45,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:24:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:45,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:45,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:45,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:45,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:45,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 05:24:45,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:45,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:24:45,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:45,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:24:45,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:45,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 05:24:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:45,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:45,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:45,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:45,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:45,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:45,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:45,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:45,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:45,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:45,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:45,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-13 05:24:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:45,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:45,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:45,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:45,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:45,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:45,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:45,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:45,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:45,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:45,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:45,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 05:24:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:45,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:45,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:45,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:45,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:45,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:45,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:45,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:45,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:45,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:45,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:45,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 05:24:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:45,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:45,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:45,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:45,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:45,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:45,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:45,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:45,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:45,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:45,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:45,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 05:24:45,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:45,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:45,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:45,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:45,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:45,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:45,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:45,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:45,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:45,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:45,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:45,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-13 05:24:45,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:45,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:45,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:45,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:45,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:45,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:45,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:45,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:45,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:45,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:45,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:45,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 05:24:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:45,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:45,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:45,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:45,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:45,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:45,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:45,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:45,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:45,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:45,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:45,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 05:24:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:45,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:45,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:45,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:45,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:45,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:45,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:45,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:45,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:45,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:45,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:45,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-13 05:24:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:45,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:45,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:45,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:45,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:45,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:45,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:45,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:45,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:45,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:45,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:45,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-13 05:24:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:45,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:45,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:45,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:45,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:45,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:45,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:45,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:45,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:45,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:45,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:45,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-13 05:24:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:45,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:45,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:45,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:45,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:45,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:24:45,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:45,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:45,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:45,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:45,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:45,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-13 05:24:45,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:45,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:45,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:45,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:45,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:45,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:24:45,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:45,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:45,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:45,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:45,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:45,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-13 05:24:45,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:45,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:45,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:45,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:45,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:45,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:24:45,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:45,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:45,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:45,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:45,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:45,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-13 05:24:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:45,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:45,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:45,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:45,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:45,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:45,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:45,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:45,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:45,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:45,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:45,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-13 05:24:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:45,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:45,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:45,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:45,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:45,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:45,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:45,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:45,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:45,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:45,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:45,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-13 05:24:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:45,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:45,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:45,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:45,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:45,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:45,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:45,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:45,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:45,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:45,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:45,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-13 05:24:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:45,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:45,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:45,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:45,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:45,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:45,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:45,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:45,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:45,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:45,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:45,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-13 05:24:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:45,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:45,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:45,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:45,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:45,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:45,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:45,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:45,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:45,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:45,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:45,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-13 05:24:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:45,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:45,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:45,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:45,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:45,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:45,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:45,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:45,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:45,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:45,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:45,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2034 backedges. 38 proven. 1312 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-10-13 05:24:45,616 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [118316539] [2020-10-13 05:24:45,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:24:45,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2020-10-13 05:24:45,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171124493] [2020-10-13 05:24:45,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 47 states [2020-10-13 05:24:45,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:24:45,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2020-10-13 05:24:45,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=2071, Unknown=0, NotChecked=0, Total=2162 [2020-10-13 05:24:45,626 INFO L87 Difference]: Start difference. First operand 236 states and 238 transitions. Second operand 47 states. [2020-10-13 05:24:52,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:24:52,246 INFO L93 Difference]: Finished difference Result 250 states and 252 transitions. [2020-10-13 05:24:52,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2020-10-13 05:24:52,247 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 232 [2020-10-13 05:24:52,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:24:52,248 INFO L225 Difference]: With dead ends: 250 [2020-10-13 05:24:52,248 INFO L226 Difference]: Without dead ends: 248 [2020-10-13 05:24:52,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 943 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=295, Invalid=7895, Unknown=0, NotChecked=0, Total=8190 [2020-10-13 05:24:52,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-10-13 05:24:52,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 244. [2020-10-13 05:24:52,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-10-13 05:24:52,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 246 transitions. [2020-10-13 05:24:52,268 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 246 transitions. Word has length 232 [2020-10-13 05:24:52,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:24:52,269 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 246 transitions. [2020-10-13 05:24:52,269 INFO L480 AbstractCegarLoop]: Interpolant automaton has 47 states. [2020-10-13 05:24:52,269 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 246 transitions. [2020-10-13 05:24:52,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-13 05:24:52,270 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:24:52,270 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:24:52,271 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-10-13 05:24:52,271 INFO L427 AbstractCegarLoop]: === Iteration 42 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:24:52,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:24:52,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1471059060, now seen corresponding path program 39 times [2020-10-13 05:24:52,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:24:52,272 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [816081458] [2020-10-13 05:24:52,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:24:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:52,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:54,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:54,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 290 [2020-10-13 05:24:54,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:54,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2011 [2020-10-13 05:24:54,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:54,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-13 05:24:54,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:24:54,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 264 [2020-10-13 05:24:54,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:55,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:24:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:55,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:55,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:55,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:24:55,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:55,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:55,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:55,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:24:55,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:55,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:24:55,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:55,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:24:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:55,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:55,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:55,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:55,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:55,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 05:24:55,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:55,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:24:55,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:55,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:24:55,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:55,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 05:24:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:55,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:55,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:55,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:55,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:55,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:55,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:55,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:55,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:55,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:55,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:55,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-13 05:24:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:55,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:55,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:55,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:55,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:55,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:55,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:55,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:55,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:55,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:55,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:55,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 05:24:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:55,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:55,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:55,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:55,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:55,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:55,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:55,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:55,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:55,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:55,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:55,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 05:24:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:55,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:55,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:55,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:55,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:55,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:55,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:55,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:55,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:55,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:55,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:55,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 05:24:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:55,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:55,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:55,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:55,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:55,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:55,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:55,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:55,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:55,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:55,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:55,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-13 05:24:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:55,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:55,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:55,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:55,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:55,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:24:55,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:55,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:55,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:55,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:55,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:55,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 05:24:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:55,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:55,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:55,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:55,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:55,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:55,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:55,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:55,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:55,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:55,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:55,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 05:24:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:55,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:55,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:55,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:55,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:55,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:24:55,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:55,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:55,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:55,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:55,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:55,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-13 05:24:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:55,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:55,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:55,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:55,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:55,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:55,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:55,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:55,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:55,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:55,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:55,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-13 05:24:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:55,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:55,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:55,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:55,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:55,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:55,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:55,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:55,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:55,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:55,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:55,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-13 05:24:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:55,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:55,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:55,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:55,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:55,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:55,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:55,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:55,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:55,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:55,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:55,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-13 05:24:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:55,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:55,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:55,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:55,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:55,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:55,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:55,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:55,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:55,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:55,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:55,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-13 05:24:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:55,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:55,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:55,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:55,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:55,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:55,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:55,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:55,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:55,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:55,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:55,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-13 05:24:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:55,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:55,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:55,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:55,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:55,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:55,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:55,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:55,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:55,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:55,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:55,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-13 05:24:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:55,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:55,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:55,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:55,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:55,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:55,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:55,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:55,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:55,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:55,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:55,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-13 05:24:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:55,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:55,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:55,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:55,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:55,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:55,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:55,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:55,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:55,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:55,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:55,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-13 05:24:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:55,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:55,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:55,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:55,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:55,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:55,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:55,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:55,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:55,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:55,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:55,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-13 05:24:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:55,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:55,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:55,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:55,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:55,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:55,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:55,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:55,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:55,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:55,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:55,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-13 05:24:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:55,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:55,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:55,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:55,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:55,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:55,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:55,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:55,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:55,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:55,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:55,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-13 05:24:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:55,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:55,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:55,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:24:55,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:55,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:24:55,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:55,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:24:55,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:24:55,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:24:55,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:24:55,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2190 backedges. 840 proven. 590 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-13 05:24:55,470 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [816081458] [2020-10-13 05:24:55,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:24:55,470 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2020-10-13 05:24:55,470 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915928267] [2020-10-13 05:24:55,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 46 states [2020-10-13 05:24:55,471 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:24:55,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2020-10-13 05:24:55,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=509, Invalid=1561, Unknown=0, NotChecked=0, Total=2070 [2020-10-13 05:24:55,472 INFO L87 Difference]: Start difference. First operand 244 states and 246 transitions. Second operand 46 states. [2020-10-13 05:24:57,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:24:57,457 INFO L93 Difference]: Finished difference Result 588 states and 595 transitions. [2020-10-13 05:24:57,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-10-13 05:24:57,458 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 240 [2020-10-13 05:24:57,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:24:57,460 INFO L225 Difference]: With dead ends: 588 [2020-10-13 05:24:57,460 INFO L226 Difference]: Without dead ends: 254 [2020-10-13 05:24:57,462 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 921 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1038, Invalid=3518, Unknown=0, NotChecked=0, Total=4556 [2020-10-13 05:24:57,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-10-13 05:24:57,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 247. [2020-10-13 05:24:57,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-10-13 05:24:57,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 249 transitions. [2020-10-13 05:24:57,482 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 249 transitions. Word has length 240 [2020-10-13 05:24:57,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:24:57,482 INFO L479 AbstractCegarLoop]: Abstraction has 247 states and 249 transitions. [2020-10-13 05:24:57,482 INFO L480 AbstractCegarLoop]: Interpolant automaton has 46 states. [2020-10-13 05:24:57,482 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 249 transitions. [2020-10-13 05:24:57,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-10-13 05:24:57,484 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:24:57,484 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:24:57,484 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-10-13 05:24:57,484 INFO L427 AbstractCegarLoop]: === Iteration 43 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:24:57,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:24:57,485 INFO L82 PathProgramCache]: Analyzing trace with hash 280777990, now seen corresponding path program 40 times [2020-10-13 05:24:57,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:24:57,485 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1388432180] [2020-10-13 05:24:57,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:24:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:24:57,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:24:59,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:24:59,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 293 [2020-10-13 05:24:59,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:24:59,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2402 [2020-10-13 05:24:59,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:24:59,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-13 05:24:59,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:24:59,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 272 [2020-10-13 05:24:59,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:01,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:25:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:01,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:01,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:01,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:25:01,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:01,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:01,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:01,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:25:01,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:01,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:25:01,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:01,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:25:01,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:01,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:01,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:01,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:01,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:01,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 05:25:01,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:01,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:25:01,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:01,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:25:01,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:01,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 05:25:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:01,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:01,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:01,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:01,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:01,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:01,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:01,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:01,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:01,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:01,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:01,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 05:25:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:01,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:01,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:01,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:01,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:01,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:01,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:01,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:01,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:01,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:01,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:01,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 05:25:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:01,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:01,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:01,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:01,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:01,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:01,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:01,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:01,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:01,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:01,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:01,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-13 05:25:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:01,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:01,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:01,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:01,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:01,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:01,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:01,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:01,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:01,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:01,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:01,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 05:25:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:01,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:01,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:01,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:01,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:01,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:01,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:01,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:01,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:01,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:01,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:01,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 05:25:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:01,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:01,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:01,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:01,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:01,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:01,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:01,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:01,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:01,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:01,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:01,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 05:25:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:01,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:01,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:01,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:01,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:01,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:01,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:01,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:01,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:01,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:01,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:01,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-13 05:25:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:01,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:01,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:01,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:01,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:01,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:01,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:01,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:01,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:01,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:01,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:01,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-13 05:25:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:01,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:01,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:01,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:01,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:01,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:01,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:01,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:01,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:01,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:01,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:01,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-13 05:25:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:01,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:01,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:01,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:01,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:01,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:01,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:01,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:01,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:01,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:01,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:01,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 05:25:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:01,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:01,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:01,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:01,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:01,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:01,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:01,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:01,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:01,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:01,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:01,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-13 05:25:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:01,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:01,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:01,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:01,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:01,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:01,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:01,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:01,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:01,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:01,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:01,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-13 05:25:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:01,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:01,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:01,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:01,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:01,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:01,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:01,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:01,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:01,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:01,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:01,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-13 05:25:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:01,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:01,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:01,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:01,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:01,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:01,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:01,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:01,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:01,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:01,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:01,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-13 05:25:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:01,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:01,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:01,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:01,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:01,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:01,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:01,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:01,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:01,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:01,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:01,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-13 05:25:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:01,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:01,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:01,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:01,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:01,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:01,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:01,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:01,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:01,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:01,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:01,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-13 05:25:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:01,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:01,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:01,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:01,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:01,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:01,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:01,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:01,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:01,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:01,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:01,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 05:25:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:01,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:01,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:01,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:01,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:01,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:01,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:01,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:01,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:01,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:01,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:01,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-13 05:25:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:01,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:01,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:01,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:01,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:01,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:01,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:01,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:01,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:01,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:01,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:01,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-13 05:25:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:01,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:01,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:01,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:01,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:01,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:01,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:01,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:01,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:01,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:01,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:02,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2251 backedges. 40 proven. 1451 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-13 05:25:02,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1388432180] [2020-10-13 05:25:02,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:25:02,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2020-10-13 05:25:02,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184539823] [2020-10-13 05:25:02,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 49 states [2020-10-13 05:25:02,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:25:02,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2020-10-13 05:25:02,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=2257, Unknown=0, NotChecked=0, Total=2352 [2020-10-13 05:25:02,052 INFO L87 Difference]: Start difference. First operand 247 states and 249 transitions. Second operand 49 states. [2020-10-13 05:25:09,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:25:09,351 INFO L93 Difference]: Finished difference Result 261 states and 263 transitions. [2020-10-13 05:25:09,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2020-10-13 05:25:09,352 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 243 [2020-10-13 05:25:09,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:25:09,356 INFO L225 Difference]: With dead ends: 261 [2020-10-13 05:25:09,357 INFO L226 Difference]: Without dead ends: 259 [2020-10-13 05:25:09,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1032 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=308, Invalid=8622, Unknown=0, NotChecked=0, Total=8930 [2020-10-13 05:25:09,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-10-13 05:25:09,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 255. [2020-10-13 05:25:09,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-10-13 05:25:09,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 257 transitions. [2020-10-13 05:25:09,385 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 257 transitions. Word has length 243 [2020-10-13 05:25:09,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:25:09,388 INFO L479 AbstractCegarLoop]: Abstraction has 255 states and 257 transitions. [2020-10-13 05:25:09,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 49 states. [2020-10-13 05:25:09,388 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 257 transitions. [2020-10-13 05:25:09,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-10-13 05:25:09,390 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:25:09,391 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 21, 21, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:25:09,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-10-13 05:25:09,395 INFO L427 AbstractCegarLoop]: === Iteration 44 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:25:09,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:25:09,395 INFO L82 PathProgramCache]: Analyzing trace with hash 190945116, now seen corresponding path program 41 times [2020-10-13 05:25:09,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:25:09,395 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [10202386] [2020-10-13 05:25:09,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:25:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:09,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:12,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:12,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 303 [2020-10-13 05:25:12,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:12,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2738 [2020-10-13 05:25:12,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:12,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-13 05:25:12,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:25:12,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 277 [2020-10-13 05:25:12,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:13,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:25:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:13,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:13,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:13,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:25:13,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:13,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:13,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:13,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:25:13,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:13,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:25:13,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:13,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:25:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:13,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:13,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:13,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:13,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:13,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 05:25:13,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:13,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:25:13,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:13,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:25:13,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:13,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 05:25:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:13,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:13,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:13,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:13,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:13,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:13,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:13,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:13,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:13,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:13,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:13,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 05:25:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:13,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:13,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:13,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:13,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:13,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:13,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:13,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:13,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:13,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:13,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:13,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 05:25:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:13,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:13,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:13,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:13,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:13,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:13,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:13,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:13,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:13,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:13,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:13,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-13 05:25:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:13,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:13,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:13,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:13,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:13,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:13,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:13,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:13,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:13,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:13,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:13,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 05:25:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:13,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:13,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:13,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:13,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:13,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:13,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:13,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:13,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:13,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:13,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:13,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 05:25:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:13,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:13,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:13,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:13,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:13,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:13,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:13,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:13,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:13,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:13,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:13,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 05:25:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:13,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:13,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:13,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:13,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:13,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:13,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:13,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:13,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:13,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:13,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:13,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-13 05:25:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:13,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:13,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:13,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:13,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:13,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:13,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:13,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:13,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:13,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:13,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:13,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-13 05:25:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:13,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:13,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:13,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:13,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:13,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:13,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:13,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:13,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:13,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:13,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:13,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-13 05:25:13,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:13,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:13,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:13,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:13,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:13,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:13,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:13,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:13,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:13,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:13,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:13,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 05:25:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:13,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:13,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:13,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:13,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:13,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:13,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:13,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:13,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:13,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:13,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:13,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-13 05:25:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:13,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:13,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:13,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:13,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:13,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:13,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:13,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:13,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:13,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:13,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:13,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-13 05:25:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:13,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:13,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:13,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:13,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:13,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:13,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:13,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:13,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:13,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:13,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:13,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-13 05:25:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:13,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:13,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:13,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:13,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:13,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:13,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:13,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:13,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:13,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:13,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:13,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-13 05:25:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:13,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:13,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:13,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:13,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:13,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:13,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:13,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:13,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:13,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:13,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:13,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-13 05:25:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:13,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:13,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:13,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:13,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:13,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:13,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:13,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:13,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:13,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:13,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:13,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-13 05:25:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:13,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:13,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:13,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:13,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:13,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:13,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:13,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:13,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:13,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:13,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:13,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 05:25:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:13,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:13,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:13,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:13,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:13,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:13,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:13,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:13,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:13,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:13,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:13,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-13 05:25:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:13,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:13,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:13,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:13,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:13,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:13,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:13,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:13,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:13,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:13,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:13,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-13 05:25:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:13,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:13,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:13,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:13,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:13,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:13,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:13,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:13,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:13,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:13,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:13,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-10-13 05:25:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:13,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:13,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:13,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:13,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:13,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:13,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:13,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:13,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:13,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:13,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:13,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 924 proven. 651 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2020-10-13 05:25:13,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [10202386] [2020-10-13 05:25:13,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:25:13,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2020-10-13 05:25:13,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724317618] [2020-10-13 05:25:13,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 48 states [2020-10-13 05:25:13,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:25:13,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2020-10-13 05:25:13,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=555, Invalid=1701, Unknown=0, NotChecked=0, Total=2256 [2020-10-13 05:25:13,535 INFO L87 Difference]: Start difference. First operand 255 states and 257 transitions. Second operand 48 states. [2020-10-13 05:25:15,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:25:15,718 INFO L93 Difference]: Finished difference Result 615 states and 622 transitions. [2020-10-13 05:25:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-10-13 05:25:15,720 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 251 [2020-10-13 05:25:15,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:25:15,722 INFO L225 Difference]: With dead ends: 615 [2020-10-13 05:25:15,722 INFO L226 Difference]: Without dead ends: 265 [2020-10-13 05:25:15,723 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1009 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1131, Invalid=3839, Unknown=0, NotChecked=0, Total=4970 [2020-10-13 05:25:15,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-10-13 05:25:15,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 258. [2020-10-13 05:25:15,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2020-10-13 05:25:15,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 260 transitions. [2020-10-13 05:25:15,744 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 260 transitions. Word has length 251 [2020-10-13 05:25:15,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:25:15,744 INFO L479 AbstractCegarLoop]: Abstraction has 258 states and 260 transitions. [2020-10-13 05:25:15,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 48 states. [2020-10-13 05:25:15,744 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 260 transitions. [2020-10-13 05:25:15,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-10-13 05:25:15,746 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:25:15,746 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:25:15,746 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-10-13 05:25:15,747 INFO L427 AbstractCegarLoop]: === Iteration 45 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:25:15,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:25:15,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1215551606, now seen corresponding path program 42 times [2020-10-13 05:25:15,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:25:15,747 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [607474080] [2020-10-13 05:25:15,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:25:15,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:15,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:18,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:18,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 306 [2020-10-13 05:25:18,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:18,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2892 [2020-10-13 05:25:18,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:18,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-13 05:25:18,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:25:18,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 285 [2020-10-13 05:25:18,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:20,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:25:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:20,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:20,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:20,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:25:20,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:20,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:20,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:20,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:25:20,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:20,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:25:20,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:20,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:25:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:20,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:20,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:20,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:20,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:20,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 05:25:20,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:20,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:25:20,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:20,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:25:20,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:20,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 05:25:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:20,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:20,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:20,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:20,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:20,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:20,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:20,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:20,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:20,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:20,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:20,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-13 05:25:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:20,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:20,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:20,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:20,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:20,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:20,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:20,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:20,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:20,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:20,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:20,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 05:25:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:20,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:20,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:20,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:20,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:20,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:20,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:20,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:20,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:20,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:20,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:20,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 05:25:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:20,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:20,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:20,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:20,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:20,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:20,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:20,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:20,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:20,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:20,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:20,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-13 05:25:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:20,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:20,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:20,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:20,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:20,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:20,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:20,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:20,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:20,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:20,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:20,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 05:25:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:20,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:20,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:20,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:20,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:20,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:20,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:20,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:20,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:20,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:20,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:20,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-13 05:25:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:20,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:20,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:20,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:20,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:20,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:20,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:20,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:20,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:20,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:20,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:20,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-13 05:25:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:20,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:20,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:20,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:20,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:20,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:20,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:20,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:20,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:20,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:20,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:20,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-13 05:25:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:20,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:20,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:20,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:20,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:20,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:20,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:20,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:20,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:20,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:20,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:20,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-13 05:25:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:20,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:20,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:20,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:20,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:20,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:20,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:20,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:20,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:20,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:20,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:20,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-13 05:25:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:20,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:20,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:20,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:20,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:20,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:20,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:20,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:20,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:20,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:20,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:20,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-13 05:25:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:20,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:20,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:20,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:20,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:20,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:20,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:20,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:20,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:20,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:20,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:20,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-13 05:25:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:20,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:20,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:20,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:20,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:20,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:20,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:20,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:20,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:20,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:20,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:20,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-10-13 05:25:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:20,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:20,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:20,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:20,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:20,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:20,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:20,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:20,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:20,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:20,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:20,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-13 05:25:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:20,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:20,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:20,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:20,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:20,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:20,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:20,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:20,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:20,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:20,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:20,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-13 05:25:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:20,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:20,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:20,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:20,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:20,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:25:20,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:20,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:20,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:20,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:20,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:20,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-13 05:25:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:20,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:20,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:20,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:20,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:20,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:25:20,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:20,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:20,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:20,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:20,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:20,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-10-13 05:25:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:20,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:20,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:20,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:20,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:20,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:25:20,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:20,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:20,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:20,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:20,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:20,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-13 05:25:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:20,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:20,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:20,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:20,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:20,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:25:20,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:20,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:20,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:20,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:20,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:20,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-13 05:25:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:20,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:20,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:20,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:20,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:20,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:25:20,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:20,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:20,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:20,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:20,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:20,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-10-13 05:25:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:20,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:20,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:20,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:20,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:20,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:25:20,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:20,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:20,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:20,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:20,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:21,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2479 backedges. 42 proven. 1597 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2020-10-13 05:25:21,038 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [607474080] [2020-10-13 05:25:21,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:25:21,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2020-10-13 05:25:21,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666483016] [2020-10-13 05:25:21,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 51 states [2020-10-13 05:25:21,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:25:21,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2020-10-13 05:25:21,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=2449, Unknown=0, NotChecked=0, Total=2550 [2020-10-13 05:25:21,041 INFO L87 Difference]: Start difference. First operand 258 states and 260 transitions. Second operand 51 states. [2020-10-13 05:25:29,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:25:29,054 INFO L93 Difference]: Finished difference Result 272 states and 274 transitions. [2020-10-13 05:25:29,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2020-10-13 05:25:29,055 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 254 [2020-10-13 05:25:29,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:25:29,057 INFO L225 Difference]: With dead ends: 272 [2020-10-13 05:25:29,058 INFO L226 Difference]: Without dead ends: 270 [2020-10-13 05:25:29,059 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1150 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=318, Invalid=9188, Unknown=0, NotChecked=0, Total=9506 [2020-10-13 05:25:29,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-10-13 05:25:29,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 266. [2020-10-13 05:25:29,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-13 05:25:29,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 268 transitions. [2020-10-13 05:25:29,082 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 268 transitions. Word has length 254 [2020-10-13 05:25:29,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:25:29,082 INFO L479 AbstractCegarLoop]: Abstraction has 266 states and 268 transitions. [2020-10-13 05:25:29,082 INFO L480 AbstractCegarLoop]: Interpolant automaton has 51 states. [2020-10-13 05:25:29,083 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 268 transitions. [2020-10-13 05:25:29,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-10-13 05:25:29,084 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:25:29,084 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:25:29,085 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-10-13 05:25:29,085 INFO L427 AbstractCegarLoop]: === Iteration 46 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:25:29,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:25:29,085 INFO L82 PathProgramCache]: Analyzing trace with hash 159950304, now seen corresponding path program 43 times [2020-10-13 05:25:29,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:25:29,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [998583506] [2020-10-13 05:25:29,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:25:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:29,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:32,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:32,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 316 [2020-10-13 05:25:32,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:32,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2914 [2020-10-13 05:25:32,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:32,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-13 05:25:32,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:25:32,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 290 [2020-10-13 05:25:32,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:33,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:25:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:33,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:33,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:33,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:25:33,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:33,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:33,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:33,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:25:33,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:33,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:25:33,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:33,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:25:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:33,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:33,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:33,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:33,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:33,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:33,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:33,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:25:33,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:33,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:25:33,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:33,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 05:25:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:33,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:33,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:33,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:33,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:33,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:33,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:33,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:33,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:33,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:33,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:33,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-13 05:25:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:33,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:33,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:33,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:33,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:33,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:33,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:33,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:33,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:33,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:33,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:33,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 05:25:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:33,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:33,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:33,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:33,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:33,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:33,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:33,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:33,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:33,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:33,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:33,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 05:25:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:33,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:33,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:33,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:33,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:33,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:33,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:33,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:33,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:33,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:33,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:33,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-13 05:25:33,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:33,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:33,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:33,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:33,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:33,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:33,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:33,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:33,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:33,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:33,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:33,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 05:25:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:33,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:33,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:33,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:33,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:33,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:33,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:33,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:33,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:33,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:33,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:33,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-13 05:25:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:33,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:33,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:33,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:33,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:33,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:33,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:33,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:33,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:33,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:33,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:33,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-13 05:25:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:33,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:33,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:33,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:33,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:33,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:33,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:33,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:33,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:33,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:33,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:33,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-13 05:25:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:33,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:33,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:33,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:33,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:33,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:33,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:33,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:33,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:33,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:33,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:33,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-13 05:25:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:33,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:33,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:33,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:33,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:33,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:33,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:33,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:33,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:33,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:33,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:33,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-13 05:25:33,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:33,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:33,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:33,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:33,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:33,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:33,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:33,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:33,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:33,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:33,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:33,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-13 05:25:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:33,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:33,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:33,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:33,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:33,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:33,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:33,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:33,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:33,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:33,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:33,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-13 05:25:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:33,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:33,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:33,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:33,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:33,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:33,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:33,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:33,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:33,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:33,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:33,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-10-13 05:25:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:33,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:33,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:33,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:33,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:33,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:33,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:33,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:33,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:33,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:33,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:33,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-13 05:25:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:33,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:33,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:33,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:33,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:33,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:33,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:33,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:33,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:33,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:33,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:33,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-13 05:25:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:33,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:33,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:33,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:33,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:33,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:33,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:33,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:33,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:33,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:33,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:33,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-13 05:25:33,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:33,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:33,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:33,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:33,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:33,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:33,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:33,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:33,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:33,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:33,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:33,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-10-13 05:25:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:33,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:33,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:33,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:33,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:33,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:33,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:33,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:33,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:33,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:33,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:33,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-13 05:25:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:33,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:33,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:33,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:33,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:33,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:33,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:33,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:33,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:33,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:33,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:33,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-13 05:25:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:33,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:33,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:33,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:33,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:33,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:33,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:33,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:33,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:33,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:33,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:33,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-10-13 05:25:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:33,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:33,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:33,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:33,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:33,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:33,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:33,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:33,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:33,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:33,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:33,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-13 05:25:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:33,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:33,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:33,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:33,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:33,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:33,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:33,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:33,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:33,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:33,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:33,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2651 backedges. 927 proven. 800 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2020-10-13 05:25:33,513 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [998583506] [2020-10-13 05:25:33,513 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:25:33,513 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2020-10-13 05:25:33,514 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50379656] [2020-10-13 05:25:33,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 50 states [2020-10-13 05:25:33,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:25:33,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2020-10-13 05:25:33,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=605, Invalid=1845, Unknown=0, NotChecked=0, Total=2450 [2020-10-13 05:25:33,515 INFO L87 Difference]: Start difference. First operand 266 states and 268 transitions. Second operand 50 states. [2020-10-13 05:25:35,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:25:35,907 INFO L93 Difference]: Finished difference Result 642 states and 649 transitions. [2020-10-13 05:25:35,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-10-13 05:25:35,908 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 262 [2020-10-13 05:25:35,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:25:35,911 INFO L225 Difference]: With dead ends: 642 [2020-10-13 05:25:35,911 INFO L226 Difference]: Without dead ends: 276 [2020-10-13 05:25:35,913 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1123 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1181, Invalid=4075, Unknown=0, NotChecked=0, Total=5256 [2020-10-13 05:25:35,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-10-13 05:25:35,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 269. [2020-10-13 05:25:35,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2020-10-13 05:25:35,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 271 transitions. [2020-10-13 05:25:35,933 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 271 transitions. Word has length 262 [2020-10-13 05:25:35,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:25:35,934 INFO L479 AbstractCegarLoop]: Abstraction has 269 states and 271 transitions. [2020-10-13 05:25:35,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 50 states. [2020-10-13 05:25:35,934 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 271 transitions. [2020-10-13 05:25:35,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-10-13 05:25:35,935 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:25:35,936 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:25:35,936 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-10-13 05:25:35,936 INFO L427 AbstractCegarLoop]: === Iteration 47 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:25:35,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:25:35,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1309658354, now seen corresponding path program 44 times [2020-10-13 05:25:35,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:25:35,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [566206360] [2020-10-13 05:25:35,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:25:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:36,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:39,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:39,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 319 [2020-10-13 05:25:39,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:39,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3859 [2020-10-13 05:25:39,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:39,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-13 05:25:39,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:25:39,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 298 [2020-10-13 05:25:39,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:42,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:25:42,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:42,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:42,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:42,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:25:42,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:42,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:42,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:42,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:25:42,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:42,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:25:42,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:42,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:25:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:42,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:42,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:42,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:42,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:42,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 05:25:42,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:42,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:25:42,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:42,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:25:42,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:42,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 05:25:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:42,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:42,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:42,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:42,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:42,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:42,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:42,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:42,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:42,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:42,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:42,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 05:25:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:42,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:42,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:42,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:42,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:42,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:42,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:42,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:42,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:42,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:42,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:42,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 05:25:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:42,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:42,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:42,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:42,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:42,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:42,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:42,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:42,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:42,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:42,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:42,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 05:25:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:42,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:42,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:42,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:42,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:42,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:42,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:42,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:42,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:42,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:42,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:42,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 05:25:42,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:42,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:42,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:42,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:42,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:42,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:25:42,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:42,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:42,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:42,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:42,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:42,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 05:25:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:42,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:42,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:42,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:42,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:42,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:25:42,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:42,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:42,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:42,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:42,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:42,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 05:25:42,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:42,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:42,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:42,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:42,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:42,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:25:42,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:42,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:42,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:42,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:42,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:42,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-13 05:25:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:42,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:42,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:42,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:42,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:42,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:25:42,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:42,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:42,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:42,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:42,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:42,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 05:25:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:42,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:42,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:42,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:42,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:42,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:25:42,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:42,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:42,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:42,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:42,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:42,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 05:25:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:42,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:42,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:42,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:42,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:42,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:25:42,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:42,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:42,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:42,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:42,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:42,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-13 05:25:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:42,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:42,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:42,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:42,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:42,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:25:42,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:42,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:42,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:42,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:42,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:42,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-13 05:25:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:42,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:42,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:42,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:42,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:42,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:25:42,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:42,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:42,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:42,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:42,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:42,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 05:25:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:42,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:42,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:42,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:42,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:42,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:25:42,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:42,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:42,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:42,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:42,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:42,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-13 05:25:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:42,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:42,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:42,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:42,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:42,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:25:42,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:42,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:42,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:42,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:42,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:42,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-13 05:25:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:42,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:42,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:42,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:42,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:42,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 05:25:42,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:42,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:42,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:42,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:42,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:42,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-13 05:25:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:42,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:42,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:42,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:42,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:42,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:25:42,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:42,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:42,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:42,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:42,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:42,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-13 05:25:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:42,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:42,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:42,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:42,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:42,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:25:42,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:42,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:42,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:42,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:42,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:42,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-13 05:25:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:42,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:42,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:42,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:42,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:42,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:25:42,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:42,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:42,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:42,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:42,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:42,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-13 05:25:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:42,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:42,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:42,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:42,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:42,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:25:42,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:42,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:42,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:42,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:42,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:42,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-13 05:25:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:42,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:42,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:42,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:42,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:42,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:25:42,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:42,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:42,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:42,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:42,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:42,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-13 05:25:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:42,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:42,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:42,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:42,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:42,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:42,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:42,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:42,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:42,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:42,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:42,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-10-13 05:25:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:42,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:42,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:42,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:42,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:42,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:42,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:42,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:42,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:42,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:42,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:42,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2718 backedges. 44 proven. 1750 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2020-10-13 05:25:42,978 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [566206360] [2020-10-13 05:25:42,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:25:42,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2020-10-13 05:25:42,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314207908] [2020-10-13 05:25:42,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 53 states [2020-10-13 05:25:42,979 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:25:42,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2020-10-13 05:25:42,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=2651, Unknown=0, NotChecked=0, Total=2756 [2020-10-13 05:25:42,979 INFO L87 Difference]: Start difference. First operand 269 states and 271 transitions. Second operand 53 states. [2020-10-13 05:25:53,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:25:53,021 INFO L93 Difference]: Finished difference Result 283 states and 285 transitions. [2020-10-13 05:25:53,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2020-10-13 05:25:53,022 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 265 [2020-10-13 05:25:53,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:25:53,025 INFO L225 Difference]: With dead ends: 283 [2020-10-13 05:25:53,025 INFO L226 Difference]: Without dead ends: 281 [2020-10-13 05:25:53,026 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1248 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=331, Invalid=9971, Unknown=0, NotChecked=0, Total=10302 [2020-10-13 05:25:53,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-10-13 05:25:53,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 277. [2020-10-13 05:25:53,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2020-10-13 05:25:53,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 279 transitions. [2020-10-13 05:25:53,050 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 279 transitions. Word has length 265 [2020-10-13 05:25:53,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:25:53,050 INFO L479 AbstractCegarLoop]: Abstraction has 277 states and 279 transitions. [2020-10-13 05:25:53,050 INFO L480 AbstractCegarLoop]: Interpolant automaton has 53 states. [2020-10-13 05:25:53,051 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 279 transitions. [2020-10-13 05:25:53,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-10-13 05:25:53,053 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:25:53,053 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 23, 23, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:25:53,053 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-10-13 05:25:53,053 INFO L427 AbstractCegarLoop]: === Iteration 48 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:25:53,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:25:53,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1000053944, now seen corresponding path program 45 times [2020-10-13 05:25:53,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:25:53,054 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1908250237] [2020-10-13 05:25:53,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:25:53,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:53,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:56,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:56,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 329 [2020-10-13 05:25:56,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:56,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2987 [2020-10-13 05:25:56,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:56,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-13 05:25:56,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:25:56,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 303 [2020-10-13 05:25:56,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:57,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:25:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:57,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:57,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:57,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:25:57,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:57,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:57,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:57,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:25:57,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:57,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:25:57,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:57,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:25:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:57,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:57,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:57,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:57,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:57,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 05:25:57,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:57,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:25:57,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:57,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:25:57,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:57,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 05:25:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:57,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:57,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:57,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:57,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:57,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:57,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:57,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:57,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:57,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:57,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:57,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 05:25:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:57,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:57,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:57,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:57,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:57,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:57,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:57,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:57,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:57,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:57,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:57,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 05:25:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:57,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:57,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:57,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:57,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:57,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:57,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:57,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:57,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:57,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:57,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:57,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 05:25:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:57,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:57,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:57,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:57,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:57,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:57,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:57,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:57,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:57,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:57,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:57,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 05:25:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:57,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:57,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:57,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:57,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:57,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:57,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:57,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:57,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:57,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:57,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:57,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 05:25:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:57,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:57,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:57,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:57,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:57,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:57,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:57,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:57,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:57,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:57,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:57,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 05:25:57,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:57,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:57,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:57,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:57,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:57,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:57,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:57,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:57,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:57,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:57,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:57,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-13 05:25:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:57,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:57,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:57,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:57,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:57,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:57,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:57,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:57,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:57,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:57,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:57,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 05:25:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:57,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:57,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:57,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:57,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:57,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:57,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:57,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:57,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:57,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:57,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:57,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 05:25:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:57,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:57,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:57,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:57,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:57,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:57,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:57,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:57,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:57,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:57,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:57,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-13 05:25:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:57,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:57,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:57,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:57,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:57,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:57,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:57,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:57,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:57,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:57,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:57,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-13 05:25:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:57,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:57,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:57,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:57,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:57,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:57,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:57,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:57,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:57,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:57,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:57,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 05:25:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:57,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:57,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:57,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:57,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:57,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:57,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:57,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:57,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:57,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:57,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:57,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-13 05:25:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:57,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:57,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:57,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:57,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:57,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:57,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:57,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:57,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:57,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:57,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:57,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-13 05:25:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:57,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:57,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:57,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:57,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:57,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:57,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:57,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:57,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:57,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:57,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:57,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-13 05:25:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:57,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:57,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:57,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:57,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:57,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:57,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:57,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:57,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:57,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:57,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:57,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-13 05:25:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:57,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:57,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:57,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:57,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:57,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:57,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:57,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:57,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:57,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:57,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:57,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-13 05:25:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:57,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:57,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:57,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:57,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:57,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:57,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:57,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:57,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:57,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:57,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:57,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-13 05:25:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:57,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:57,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:57,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:57,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:57,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:57,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:57,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:57,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:57,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:57,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:57,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-13 05:25:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:57,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:57,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:57,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:57,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:57,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:57,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:57,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:57,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:57,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:57,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:57,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-13 05:25:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:57,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:57,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:57,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:57,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:57,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:57,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:57,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:57,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:57,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:57,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:57,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-10-13 05:25:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:57,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:57,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:57,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:57,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:57,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:57,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:57,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:57,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:57,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:57,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:57,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2020-10-13 05:25:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:25:57,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:25:57,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:25:57,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:25:57,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:25:57,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:25:57,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:25:57,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:25:57,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:25:57,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:25:57,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:25:57,779 INFO L134 CoverageAnalysis]: Checked inductivity of 2898 backedges. 1104 proven. 782 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2020-10-13 05:25:57,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1908250237] [2020-10-13 05:25:57,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:25:57,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2020-10-13 05:25:57,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440646879] [2020-10-13 05:25:57,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 52 states [2020-10-13 05:25:57,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:25:57,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2020-10-13 05:25:57,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=653, Invalid=1999, Unknown=0, NotChecked=0, Total=2652 [2020-10-13 05:25:57,782 INFO L87 Difference]: Start difference. First operand 277 states and 279 transitions. Second operand 52 states. [2020-10-13 05:26:00,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 05:26:00,382 INFO L93 Difference]: Finished difference Result 669 states and 676 transitions. [2020-10-13 05:26:00,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-10-13 05:26:00,384 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 273 [2020-10-13 05:26:00,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 05:26:00,386 INFO L225 Difference]: With dead ends: 669 [2020-10-13 05:26:00,386 INFO L226 Difference]: Without dead ends: 287 [2020-10-13 05:26:00,388 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1197 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1329, Invalid=4523, Unknown=0, NotChecked=0, Total=5852 [2020-10-13 05:26:00,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-10-13 05:26:00,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 280. [2020-10-13 05:26:00,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-10-13 05:26:00,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 282 transitions. [2020-10-13 05:26:00,408 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 282 transitions. Word has length 273 [2020-10-13 05:26:00,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 05:26:00,409 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 282 transitions. [2020-10-13 05:26:00,409 INFO L480 AbstractCegarLoop]: Interpolant automaton has 52 states. [2020-10-13 05:26:00,409 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 282 transitions. [2020-10-13 05:26:00,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2020-10-13 05:26:00,410 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 05:26:00,411 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 05:26:00,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2020-10-13 05:26:00,411 INFO L427 AbstractCegarLoop]: === Iteration 49 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 05:26:00,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 05:26:00,411 INFO L82 PathProgramCache]: Analyzing trace with hash -802390794, now seen corresponding path program 46 times [2020-10-13 05:26:00,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 05:26:00,412 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1558012906] [2020-10-13 05:26:00,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 05:26:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:26:00,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:26:03,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:26:03,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 332 [2020-10-13 05:26:03,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:26:03,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3481 [2020-10-13 05:26:03,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:26:03,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-13 05:26:03,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 05:26:03,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 311 [2020-10-13 05:26:03,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:26:06,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 05:26:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:26:06,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:26:06,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:26:06,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 05:26:06,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:26:06,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:26:06,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:26:06,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:26:06,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:26:06,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:26:06,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:26:06,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 05:26:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:26:06,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:26:06,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:26:06,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:26:06,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:26:06,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:26:06,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:26:06,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 05:26:06,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:26:06,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 05:26:06,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:26:06,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 05:26:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:26:06,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:26:06,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:26:06,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:26:06,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:26:06,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:26:06,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:26:06,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:26:06,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:26:06,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:26:06,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:26:06,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 05:26:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:26:06,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:26:06,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:26:06,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:26:06,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:26:06,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:26:06,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:26:06,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:26:06,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:26:06,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:26:06,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:26:06,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 05:26:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:26:06,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:26:06,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:26:06,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:26:06,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:26:06,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:26:06,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:26:06,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:26:06,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:26:06,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:26:06,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:26:06,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-13 05:26:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:26:06,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:26:06,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:26:06,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:26:06,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:26:06,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 05:26:06,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:26:06,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:26:06,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:26:06,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:26:06,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:26:06,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-13 05:26:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:26:06,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:26:06,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:26:06,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:26:06,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:26:06,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:26:06,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:26:06,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:26:06,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:26:06,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:26:06,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:26:06,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-13 05:26:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:26:06,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:26:06,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:26:06,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:26:06,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:26:06,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:26:06,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:26:06,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:26:06,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:26:06,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:26:06,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:26:06,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 05:26:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:26:06,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:26:06,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:26:06,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:26:06,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:26:06,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:26:06,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:26:06,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:26:06,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:26:06,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:26:06,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:26:06,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 05:26:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:26:06,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:26:06,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:26:06,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:26:06,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:26:06,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:26:06,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:26:06,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:26:06,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:26:06,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:26:06,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:26:06,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-13 05:26:06,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:26:06,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:26:06,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:26:06,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:26:06,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:26:06,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:26:06,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:26:06,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:26:06,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:26:06,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:26:06,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:26:06,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-13 05:26:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:26:06,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:26:06,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:26:06,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:26:06,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:26:06,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:26:06,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:26:06,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:26:06,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:26:06,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:26:06,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:26:06,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-13 05:26:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:26:06,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:26:06,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:26:06,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:26:06,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:26:06,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:26:06,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:26:06,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:26:06,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:26:06,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:26:06,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:26:06,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-13 05:26:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:26:06,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:26:06,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:26:06,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:26:06,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:26:06,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:26:06,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:26:06,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:26:06,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:26:06,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:26:06,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:26:06,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-13 05:26:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:26:06,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:26:06,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:26:06,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:26:06,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:26:06,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:26:06,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:26:06,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:26:06,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:26:06,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:26:06,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:26:06,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-13 05:26:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:26:06,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:26:06,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:26:06,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:26:06,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:26:06,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:26:06,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:26:06,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:26:06,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:26:06,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:26:06,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:26:06,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-13 05:26:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:26:06,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:26:06,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:26:06,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:26:06,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:26:06,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:26:06,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:26:06,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:26:06,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:26:06,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:26:06,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:26:06,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-13 05:26:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:26:06,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:26:06,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:26:06,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:26:06,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:26:06,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:26:06,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:26:06,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:26:06,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:26:06,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:26:06,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:26:06,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-10-13 05:26:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:26:06,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:26:06,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:26:06,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:26:06,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:26:06,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:26:06,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:26:06,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:26:06,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:26:06,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:26:06,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:26:06,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-10-13 05:26:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:26:06,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:26:06,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:26:06,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:26:06,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:26:06,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:26:06,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:26:06,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:26:06,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:26:06,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:26:06,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:26:06,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-13 05:26:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:26:06,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:26:06,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:26:06,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:26:06,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:26:06,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:26:06,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:26:06,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:26:06,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:26:06,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:26:06,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:26:06,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-10-13 05:26:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:26:06,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:26:06,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:26:06,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:26:06,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:26:06,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:26:06,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:26:06,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:26:06,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:26:06,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:26:06,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:26:06,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-13 05:26:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:26:06,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:26:06,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:26:06,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:26:06,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:26:06,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:26:06,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:26:06,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:26:06,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:26:06,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:26:06,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:26:06,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-10-13 05:26:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:26:06,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:26:06,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:26:06,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:26:06,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:26:06,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:26:06,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:26:06,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:26:06,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:26:06,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:26:06,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:26:06,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-10-13 05:26:06,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 05:26:06,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 05:26:06,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 05:26:06,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 05:26:06,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 05:26:06,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 05:26:06,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 05:26:06,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 05:26:06,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 05:26:06,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 05:26:06,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 05:26:06,804 INFO L134 CoverageAnalysis]: Checked inductivity of 2968 backedges. 46 proven. 1910 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2020-10-13 05:26:06,805 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1558012906] [2020-10-13 05:26:06,805 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 05:26:06,805 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2020-10-13 05:26:06,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606651079] [2020-10-13 05:26:06,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 55 states [2020-10-13 05:26:06,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 05:26:06,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2020-10-13 05:26:06,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=2863, Unknown=0, NotChecked=0, Total=2970 [2020-10-13 05:26:06,807 INFO L87 Difference]: Start difference. First operand 280 states and 282 transitions. Second operand 55 states.