/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_5-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 13:03:09,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 13:03:09,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 13:03:09,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 13:03:09,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 13:03:09,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 13:03:09,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 13:03:09,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 13:03:09,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 13:03:09,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 13:03:09,197 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 13:03:09,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 13:03:09,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 13:03:09,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 13:03:09,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 13:03:09,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 13:03:09,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 13:03:09,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 13:03:09,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 13:03:09,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 13:03:09,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 13:03:09,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 13:03:09,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 13:03:09,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 13:03:09,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 13:03:09,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 13:03:09,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 13:03:09,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 13:03:09,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 13:03:09,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 13:03:09,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 13:03:09,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 13:03:09,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 13:03:09,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 13:03:09,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 13:03:09,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 13:03:09,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 13:03:09,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 13:03:09,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 13:03:09,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 13:03:09,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 13:03:09,224 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 13:03:09,246 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 13:03:09,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 13:03:09,248 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 13:03:09,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 13:03:09,248 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 13:03:09,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 13:03:09,249 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 13:03:09,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 13:03:09,249 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 13:03:09,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 13:03:09,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 13:03:09,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 13:03:09,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 13:03:09,250 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 13:03:09,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 13:03:09,250 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 13:03:09,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 13:03:09,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 13:03:09,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 13:03:09,251 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 13:03:09,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 13:03:09,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 13:03:09,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 13:03:09,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 13:03:09,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 13:03:09,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 13:03:09,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 13:03:09,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 13:03:09,253 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 13:03:09,253 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 13:03:09,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 13:03:09,578 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 13:03:09,584 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 13:03:09,586 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 13:03:09,590 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 13:03:09,591 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_5-1.c [2020-10-13 13:03:09,653 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/98d54f984/d5ee825c208c42c0a62fdae1a249bfd3/FLAG3b8962a74 [2020-10-13 13:03:10,057 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 13:03:10,057 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_5-1.c [2020-10-13 13:03:10,063 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/98d54f984/d5ee825c208c42c0a62fdae1a249bfd3/FLAG3b8962a74 [2020-10-13 13:03:10,432 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/98d54f984/d5ee825c208c42c0a62fdae1a249bfd3 [2020-10-13 13:03:10,440 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 13:03:10,442 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 13:03:10,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 13:03:10,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 13:03:10,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 13:03:10,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:03:10" (1/1) ... [2020-10-13 13:03:10,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@474b9c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:10, skipping insertion in model container [2020-10-13 13:03:10,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:03:10" (1/1) ... [2020-10-13 13:03:10,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 13:03:10,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 13:03:10,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 13:03:10,645 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 13:03:10,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 13:03:10,678 INFO L208 MainTranslator]: Completed translation [2020-10-13 13:03:10,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:10 WrapperNode [2020-10-13 13:03:10,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 13:03:10,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 13:03:10,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 13:03:10,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 13:03:10,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:10" (1/1) ... [2020-10-13 13:03:10,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:10" (1/1) ... [2020-10-13 13:03:10,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:10" (1/1) ... [2020-10-13 13:03:10,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:10" (1/1) ... [2020-10-13 13:03:10,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:10" (1/1) ... [2020-10-13 13:03:10,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:10" (1/1) ... [2020-10-13 13:03:10,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:10" (1/1) ... [2020-10-13 13:03:10,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 13:03:10,711 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 13:03:10,711 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 13:03:10,711 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 13:03:10,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:10" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 13:03:10,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 13:03:10,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 13:03:10,924 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2020-10-13 13:03:10,924 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 13:03:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 13:03:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 13:03:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2020-10-13 13:03:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 13:03:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 13:03:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 13:03:11,092 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 13:03:11,093 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-13 13:03:11,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:03:11 BoogieIcfgContainer [2020-10-13 13:03:11,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 13:03:11,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 13:03:11,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 13:03:11,102 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 13:03:11,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:03:10" (1/3) ... [2020-10-13 13:03:11,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11fca25f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:03:11, skipping insertion in model container [2020-10-13 13:03:11,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:03:10" (2/3) ... [2020-10-13 13:03:11,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11fca25f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:03:11, skipping insertion in model container [2020-10-13 13:03:11,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:03:11" (3/3) ... [2020-10-13 13:03:11,106 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_5-1.c [2020-10-13 13:03:11,118 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 13:03:11,126 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 13:03:11,141 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 13:03:11,168 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 13:03:11,168 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 13:03:11,169 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 13:03:11,169 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 13:03:11,169 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 13:03:11,169 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 13:03:11,169 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 13:03:11,169 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 13:03:11,191 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-10-13 13:03:11,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-13 13:03:11,198 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:03:11,199 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:03:11,200 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:03:11,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:03:11,207 INFO L82 PathProgramCache]: Analyzing trace with hash 537028541, now seen corresponding path program 1 times [2020-10-13 13:03:11,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:03:11,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [167715177] [2020-10-13 13:03:11,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:03:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:11,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:11,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:11,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 13:03:11,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:11,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-13 13:03:11,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:11,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:03:11,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:03:11,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:03:11,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-13 13:03:11,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:03:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:11,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:11,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:11,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:03:11,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:11,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:03:11,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:11,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:11,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:11,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:11,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:03:11,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:03:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:11,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:11,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:11,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:03:11,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:11,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 13:03:11,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:11,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:03:11,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:03:11,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:03:11,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:03:11,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 13:03:11,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [167715177] [2020-10-13 13:03:11,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:03:11,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 13:03:11,614 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119165370] [2020-10-13 13:03:11,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 13:03:11,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:03:11,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 13:03:11,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 13:03:11,683 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 5 states. [2020-10-13 13:03:11,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:03:11,813 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2020-10-13 13:03:11,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 13:03:11,816 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-13 13:03:11,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:03:11,826 INFO L225 Difference]: With dead ends: 35 [2020-10-13 13:03:11,826 INFO L226 Difference]: Without dead ends: 21 [2020-10-13 13:03:11,830 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 13:03:11,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-10-13 13:03:11,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-10-13 13:03:11,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-13 13:03:11,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-10-13 13:03:11,875 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 13 [2020-10-13 13:03:11,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:03:11,876 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-10-13 13:03:11,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 13:03:11,876 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-10-13 13:03:11,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-13 13:03:11,878 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:03:11,879 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:03:11,879 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 13:03:11,879 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:03:11,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:03:11,880 INFO L82 PathProgramCache]: Analyzing trace with hash 179123823, now seen corresponding path program 1 times [2020-10-13 13:03:11,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:03:11,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1561942147] [2020-10-13 13:03:11,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:03:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:11,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:11,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:11,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-13 13:03:11,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:11,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-13 13:03:11,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:11,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:03:11,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:03:11,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:03:11,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:03:11,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:03:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:11,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:11,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:11,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:03:11,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:11,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:03:11,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:11,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:11,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:11,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:11,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:03:11,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:03:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:11,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:12,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:12,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:12,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:12,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 13:03:12,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:12,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:03:12,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:03:12,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:03:12,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:03:12,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 13:03:12,031 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1561942147] [2020-10-13 13:03:12,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 13:03:12,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 13:03:12,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096561758] [2020-10-13 13:03:12,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 13:03:12,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:03:12,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 13:03:12,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 13:03:12,036 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 5 states. [2020-10-13 13:03:12,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:03:12,115 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2020-10-13 13:03:12,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 13:03:12,116 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-13 13:03:12,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:03:12,117 INFO L225 Difference]: With dead ends: 27 [2020-10-13 13:03:12,117 INFO L226 Difference]: Without dead ends: 23 [2020-10-13 13:03:12,119 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-13 13:03:12,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-13 13:03:12,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2020-10-13 13:03:12,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-13 13:03:12,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-10-13 13:03:12,127 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 14 [2020-10-13 13:03:12,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:03:12,127 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-10-13 13:03:12,127 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 13:03:12,127 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-10-13 13:03:12,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-13 13:03:12,129 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:03:12,129 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:03:12,129 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 13:03:12,130 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:03:12,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:03:12,130 INFO L82 PathProgramCache]: Analyzing trace with hash 806022394, now seen corresponding path program 1 times [2020-10-13 13:03:12,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:03:12,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [503255205] [2020-10-13 13:03:12,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:03:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:12,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:12,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:12,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:12,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:12,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 13:03:12,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:03:12,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 543 [2020-10-13 13:03:12,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:12,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:03:12,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 13:03:12,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:03:12,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:03:12,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:03:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:12,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:12,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:12,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:03:12,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:12,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:03:12,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:12,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:12,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:12,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:12,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:12,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:03:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:12,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:12,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:12,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 13:03:12,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:12,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-13 13:03:12,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:12,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:03:12,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-13 13:03:12,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:03:12,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:12,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:12,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:12,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:12,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:03:12,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:12,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 13:03:12,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:12,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:03:12,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:03:12,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:03:12,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:12,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 13:03:12,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:12,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:12,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:12,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:03:12,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:12,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:03:12,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:12,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:12,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:03:12,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:12,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:03:12,878 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-13 13:03:12,879 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [503255205] [2020-10-13 13:03:12,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:03:12,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 13:03:12,880 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425101722] [2020-10-13 13:03:12,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 13:03:12,881 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:03:12,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 13:03:12,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-13 13:03:12,884 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 6 states. [2020-10-13 13:03:12,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:03:12,991 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2020-10-13 13:03:12,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 13:03:12,992 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-10-13 13:03:12,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:03:12,993 INFO L225 Difference]: With dead ends: 38 [2020-10-13 13:03:12,993 INFO L226 Difference]: Without dead ends: 23 [2020-10-13 13:03:12,994 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-13 13:03:12,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-13 13:03:13,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-10-13 13:03:13,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-13 13:03:13,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-10-13 13:03:13,002 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 26 [2020-10-13 13:03:13,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:03:13,003 INFO L479 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-10-13 13:03:13,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 13:03:13,003 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-10-13 13:03:13,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-13 13:03:13,005 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:03:13,005 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:03:13,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 13:03:13,005 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:03:13,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:03:13,006 INFO L82 PathProgramCache]: Analyzing trace with hash -983862936, now seen corresponding path program 1 times [2020-10-13 13:03:13,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:03:13,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [676171193] [2020-10-13 13:03:13,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:03:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:13,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:13,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:13,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:13,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-13 13:03:13,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:03:13,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-13 13:03:13,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:13,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:03:13,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:03:13,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:03:13,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:13,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:03:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:13,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:13,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:13,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:03:13,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:13,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:03:13,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:13,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:13,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:13,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:13,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:13,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:03:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:13,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:13,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:13,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:13,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:03:13,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:03:13,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-13 13:03:13,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:13,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:03:13,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:03:13,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:03:13,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:03:13,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:13,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:13,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:13,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:13,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:13,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:13,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:03:13,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:13,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:03:13,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:13,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:03:13,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:03:13,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:03:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:13,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:13,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:13,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:03:13,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:13,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:03:13,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:13,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:03:13,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:13,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:03:13,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:03:13,378 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-13 13:03:13,379 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [676171193] [2020-10-13 13:03:13,379 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:03:13,379 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 13:03:13,380 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647053552] [2020-10-13 13:03:13,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 13:03:13,381 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:03:13,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 13:03:13,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-13 13:03:13,381 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 6 states. [2020-10-13 13:03:13,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:03:13,448 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2020-10-13 13:03:13,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 13:03:13,448 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-10-13 13:03:13,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:03:13,450 INFO L225 Difference]: With dead ends: 30 [2020-10-13 13:03:13,450 INFO L226 Difference]: Without dead ends: 26 [2020-10-13 13:03:13,451 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-13 13:03:13,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-10-13 13:03:13,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2020-10-13 13:03:13,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-13 13:03:13,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2020-10-13 13:03:13,458 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 27 [2020-10-13 13:03:13,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:03:13,459 INFO L479 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2020-10-13 13:03:13,459 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 13:03:13,459 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2020-10-13 13:03:13,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-13 13:03:13,460 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:03:13,460 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:03:13,461 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 13:03:13,461 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:03:13,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:03:13,461 INFO L82 PathProgramCache]: Analyzing trace with hash -1780546516, now seen corresponding path program 1 times [2020-10-13 13:03:13,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:03:13,462 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [988572952] [2020-10-13 13:03:13,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:03:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:13,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:13,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:13,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:13,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:13,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:13,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 13:03:13,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 13:03:13,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-10-13 13:03:13,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:13,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:03:13,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-13 13:03:13,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:03:13,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:13,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:03:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:13,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:13,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:13,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:03:13,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:13,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:03:13,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:13,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:13,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:13,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:13,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:13,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:03:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:13,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:13,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:13,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:13,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 13:03:13,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:03:13,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 13:03:13,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:13,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:03:13,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:03:13,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 13:03:13,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:13,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:13,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:13,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:13,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:13,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:13,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:03:13,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:13,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:03:13,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:13,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:03:13,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:13,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:03:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:13,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:13,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:13,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:13,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:13,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:03:13,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 13:03:13,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:13,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:03:13,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:03:13,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:03:13,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:13,780 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 13:03:13,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [988572952] [2020-10-13 13:03:13,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:03:13,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 13:03:13,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816984520] [2020-10-13 13:03:13,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 13:03:13,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:03:13,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 13:03:13,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-13 13:03:13,782 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 7 states. [2020-10-13 13:03:13,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:03:13,908 INFO L93 Difference]: Finished difference Result 49 states and 70 transitions. [2020-10-13 13:03:13,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 13:03:13,909 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2020-10-13 13:03:13,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:03:13,911 INFO L225 Difference]: With dead ends: 49 [2020-10-13 13:03:13,911 INFO L226 Difference]: Without dead ends: 31 [2020-10-13 13:03:13,912 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-10-13 13:03:13,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-13 13:03:13,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 28. [2020-10-13 13:03:13,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-13 13:03:13,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2020-10-13 13:03:13,921 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 28 [2020-10-13 13:03:13,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:03:13,922 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2020-10-13 13:03:13,922 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 13:03:13,922 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2020-10-13 13:03:13,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-13 13:03:13,924 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:03:13,924 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:03:13,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 13:03:13,925 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:03:13,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:03:13,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1111873851, now seen corresponding path program 2 times [2020-10-13 13:03:13,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:03:13,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [376748983] [2020-10-13 13:03:13,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:03:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:13,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:13,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:13,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:14,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:14,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-13 13:03:14,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:03:14,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 981 [2020-10-13 13:03:14,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:14,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:03:14,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:03:14,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 13:03:14,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:14,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:03:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:14,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:14,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:14,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:03:14,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:14,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:03:14,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:14,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:14,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:14,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:14,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:14,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:03:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:14,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:14,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:14,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:15,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:15,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:03:15,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:03:15,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 990 [2020-10-13 13:03:15,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:15,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:03:15,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:03:15,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 13:03:15,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:15,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:15,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:15,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:16,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:16,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:03:16,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:03:16,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-13 13:03:16,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:16,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:03:16,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:16,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:03:16,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:16,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:16,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:16,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:16,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:16,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:16,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:03:16,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:16,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:03:16,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:16,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:03:16,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:16,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:03:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:16,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:16,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:16,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:03:16,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:16,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:03:16,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:16,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:03:16,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:16,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:03:16,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:16,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:03:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:16,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:16,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:16,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:16,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:16,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:03:16,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:16,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:03:16,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:16,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:03:16,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:16,148 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 22 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-13 13:03:16,148 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [376748983] [2020-10-13 13:03:16,148 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:03:16,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 13:03:16,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646071407] [2020-10-13 13:03:16,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 13:03:16,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:03:16,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 13:03:16,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 13:03:16,150 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. Second operand 7 states. [2020-10-13 13:03:16,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:03:16,246 INFO L93 Difference]: Finished difference Result 37 states and 49 transitions. [2020-10-13 13:03:16,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 13:03:16,247 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2020-10-13 13:03:16,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:03:16,248 INFO L225 Difference]: With dead ends: 37 [2020-10-13 13:03:16,249 INFO L226 Difference]: Without dead ends: 33 [2020-10-13 13:03:16,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-13 13:03:16,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-13 13:03:16,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-13 13:03:16,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-13 13:03:16,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-10-13 13:03:16,258 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 41 [2020-10-13 13:03:16,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:03:16,259 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-10-13 13:03:16,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 13:03:16,259 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-10-13 13:03:16,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-13 13:03:16,262 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:03:16,262 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:03:16,262 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 13:03:16,262 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:03:16,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:03:16,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1587771422, now seen corresponding path program 3 times [2020-10-13 13:03:16,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:03:16,263 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1135451610] [2020-10-13 13:03:16,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:03:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:16,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:16,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:16,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:16,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:16,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:16,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:16,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:16,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:18,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:21,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:21,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-13 13:03:21,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 13:03:21,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 13:03:21,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:21,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:03:21,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:03:21,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:03:21,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:21,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:03:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:21,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:21,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:21,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:03:21,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:21,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:03:21,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:21,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:21,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:21,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:21,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:21,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:03:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:21,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:21,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:21,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:21,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:21,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:21,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:21,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:23,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:23,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:24,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:24,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-13 13:03:24,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 13:03:24,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2994 [2020-10-13 13:03:24,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:24,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:03:24,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:03:24,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 13:03:24,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:24,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:24,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:24,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:24,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:24,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:24,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:24,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:26,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:26,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:03:26,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:03:26,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1755 [2020-10-13 13:03:26,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:26,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:03:26,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:26,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:03:26,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:26,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:26,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:26,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:26,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:03:26,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:26,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:03:26,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:26,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:03:26,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:26,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:03:26,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:26,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:26,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:26,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:26,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:26,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:26,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:03:26,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:26,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:26,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:26,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:26,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:26,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:03:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:26,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:26,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:26,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:03:26,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:26,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:03:26,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:26,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:26,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:26,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:26,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:26,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:03:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:26,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:26,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:26,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:26,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:26,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:03:26,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:03:26,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:26,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:03:26,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:26,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:03:26,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:03:26,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:03:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:26,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:26,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:26,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:26,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:26,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:03:26,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:26,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:03:26,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:03:26,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:03:26,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:26,229 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 56 proven. 18 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-10-13 13:03:26,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1135451610] [2020-10-13 13:03:26,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:03:26,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 13:03:26,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238608821] [2020-10-13 13:03:26,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 13:03:26,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:03:26,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 13:03:26,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-13 13:03:26,232 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 10 states. [2020-10-13 13:03:26,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:03:26,419 INFO L93 Difference]: Finished difference Result 85 states and 175 transitions. [2020-10-13 13:03:26,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 13:03:26,420 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2020-10-13 13:03:26,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:03:26,423 INFO L225 Difference]: With dead ends: 85 [2020-10-13 13:03:26,423 INFO L226 Difference]: Without dead ends: 53 [2020-10-13 13:03:26,425 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2020-10-13 13:03:26,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-13 13:03:26,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 44. [2020-10-13 13:03:26,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-13 13:03:26,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 70 transitions. [2020-10-13 13:03:26,438 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 70 transitions. Word has length 55 [2020-10-13 13:03:26,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:03:26,439 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 70 transitions. [2020-10-13 13:03:26,439 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 13:03:26,439 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 70 transitions. [2020-10-13 13:03:26,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-13 13:03:26,442 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:03:26,442 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:03:26,442 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 13:03:26,442 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:03:26,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:03:26,443 INFO L82 PathProgramCache]: Analyzing trace with hash 2001184551, now seen corresponding path program 4 times [2020-10-13 13:03:26,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:03:26,443 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1560590364] [2020-10-13 13:03:26,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:03:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:26,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:26,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:26,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:26,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:27,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:31,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:31,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-13 13:03:31,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 13:03:31,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 13:03:31,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:31,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:03:31,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:03:31,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:03:31,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:31,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:03:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:31,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:31,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:31,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:03:31,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:31,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:03:31,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:31,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:31,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:31,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:31,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:31,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:03:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:31,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:31,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:31,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:31,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:31,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:36,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:36,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:03:36,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 13:03:36,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 13:03:36,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:36,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:03:36,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:03:36,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:03:36,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:36,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:36,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:36,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:36,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:36,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:03:36,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:36,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 13:03:36,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:36,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:03:36,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:36,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 13:03:36,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:36,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:36,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:36,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:36,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:03:36,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:36,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:03:36,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:36,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:36,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:36,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:36,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:36,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:36,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:36,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:36,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:36,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:36,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:03:36,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:36,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:36,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:36,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:36,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:36,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:03:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:36,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:36,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:36,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:03:36,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:36,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:03:36,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:36,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:36,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:36,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:36,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:36,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:03:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:36,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:36,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:36,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:36,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:36,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:03:36,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:36,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:36,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:36,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:36,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:36,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:03:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:36,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:36,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:36,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:36,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:03:36,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:03:36,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-13 13:03:36,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:36,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:03:36,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:36,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:03:36,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:03:36,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:36,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:36,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:36,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:36,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:36,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:03:36,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:36,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:03:36,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:36,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:03:36,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:36,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:03:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:36,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:36,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:36,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:03:36,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:36,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:03:36,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:36,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:03:36,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:36,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:03:36,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:36,732 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 65 proven. 28 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2020-10-13 13:03:36,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1560590364] [2020-10-13 13:03:36,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:03:36,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 13:03:36,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942928778] [2020-10-13 13:03:36,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 13:03:36,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:03:36,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 13:03:36,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 13:03:36,737 INFO L87 Difference]: Start difference. First operand 44 states and 70 transitions. Second operand 8 states. [2020-10-13 13:03:36,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:03:36,881 INFO L93 Difference]: Finished difference Result 94 states and 188 transitions. [2020-10-13 13:03:36,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 13:03:36,883 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 68 [2020-10-13 13:03:36,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:03:36,887 INFO L225 Difference]: With dead ends: 94 [2020-10-13 13:03:36,887 INFO L226 Difference]: Without dead ends: 60 [2020-10-13 13:03:36,889 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-13 13:03:36,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-13 13:03:36,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 52. [2020-10-13 13:03:36,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-13 13:03:36,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2020-10-13 13:03:36,910 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 68 [2020-10-13 13:03:36,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:03:36,911 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2020-10-13 13:03:36,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 13:03:36,912 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2020-10-13 13:03:36,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-13 13:03:36,914 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:03:36,914 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 10, 6, 6, 6, 6, 6, 6, 6, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:03:36,915 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 13:03:36,915 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:03:36,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:03:36,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1086029837, now seen corresponding path program 5 times [2020-10-13 13:03:36,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:03:36,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1411722378] [2020-10-13 13:03:36,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:03:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:36,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:36,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:36,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:36,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:37,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:37,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:37,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:37,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:37,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:37,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:41,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:41,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-13 13:03:41,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 13:03:41,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 13:03:41,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:41,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:03:41,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:03:41,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:03:41,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:41,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:03:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:41,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:41,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:41,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:03:41,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:41,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:03:41,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:41,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:41,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:41,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:41,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:41,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:03:41,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:41,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:41,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:41,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:42,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:42,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:42,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:42,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:42,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:42,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:42,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:43,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:43,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:43,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:43,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:44,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:44,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:44,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:44,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:44,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:44,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:46,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:46,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:46,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:46,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-13 13:03:46,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-13 13:03:46,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 13:03:46,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:46,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:03:46,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-13 13:03:46,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 13:03:46,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:46,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:46,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:46,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:46,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:03:46,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:46,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:03:46,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:46,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:46,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:46,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:46,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:46,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:47,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:47,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:47,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:03:47,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:47,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:03:47,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:47,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:47,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:47,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:47,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:47,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:47,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:47,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:47,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:47,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:47,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:03:47,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:47,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:47,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:47,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:47,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:03:47,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:03:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:47,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:47,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:47,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:03:47,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:47,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:03:47,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:47,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:47,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:47,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:47,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:47,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:03:47,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:47,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:47,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:47,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:47,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:47,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:03:47,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:47,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:47,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:47,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:47,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:47,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:03:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:47,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:47,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:47,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:47,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:47,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:47,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:47,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:47,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:47,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:48,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:48,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-13 13:03:48,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 13:03:48,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1774 [2020-10-13 13:03:48,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:48,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:03:48,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:03:48,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 13:03:48,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:48,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:48,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:48,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:48,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:48,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:48,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:03:48,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:03:48,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-13 13:03:48,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:48,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:03:48,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:48,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:03:48,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:49,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:49,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:49,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:49,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:49,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:49,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:03:49,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:49,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:03:49,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:49,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:03:49,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:49,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:03:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:49,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:49,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:49,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:03:49,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:49,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:03:49,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:49,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:03:49,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:49,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:03:49,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:49,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:03:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:49,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:49,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:49,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:49,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:49,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:03:49,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:03:49,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-13 13:03:49,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:49,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:03:49,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:03:49,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:03:49,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:49,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:49,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:49,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:49,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:03:49,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:49,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:03:49,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:49,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:03:49,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:49,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:03:49,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:49,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:03:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:49,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:49,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:49,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:03:49,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:49,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:03:49,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:49,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:03:49,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:49,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:03:49,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:03:49,173 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 160 proven. 39 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2020-10-13 13:03:49,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1411722378] [2020-10-13 13:03:49,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:03:49,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 13:03:49,175 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481185011] [2020-10-13 13:03:49,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 13:03:49,175 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:03:49,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 13:03:49,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-13 13:03:49,176 INFO L87 Difference]: Start difference. First operand 52 states and 78 transitions. Second operand 9 states. [2020-10-13 13:03:49,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:03:49,352 INFO L93 Difference]: Finished difference Result 100 states and 157 transitions. [2020-10-13 13:03:49,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 13:03:49,353 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2020-10-13 13:03:49,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:03:49,355 INFO L225 Difference]: With dead ends: 100 [2020-10-13 13:03:49,355 INFO L226 Difference]: Without dead ends: 45 [2020-10-13 13:03:49,356 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-13 13:03:49,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-13 13:03:49,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2020-10-13 13:03:49,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-13 13:03:49,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2020-10-13 13:03:49,364 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 95 [2020-10-13 13:03:49,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:03:49,365 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2020-10-13 13:03:49,365 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 13:03:49,365 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2020-10-13 13:03:49,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-13 13:03:49,366 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:03:49,366 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 9, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:03:49,367 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 13:03:49,367 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:03:49,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:03:49,367 INFO L82 PathProgramCache]: Analyzing trace with hash -1986920854, now seen corresponding path program 6 times [2020-10-13 13:03:49,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:03:49,368 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2033507476] [2020-10-13 13:03:49,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:03:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:49,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:49,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:49,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:49,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:49,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:49,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:49,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:49,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:49,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:49,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:49,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:49,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:49,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:49,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:49,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:50,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:51,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:51,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:51,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:51,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:54,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:54,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 13:03:54,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-13 13:03:54,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 13:03:54,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:54,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:03:54,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:03:54,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:03:54,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:54,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:03:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:54,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:54,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:54,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:03:54,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:03:54,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:03:54,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:54,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:03:54,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:03:54,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:03:54,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:54,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:03:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:54,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:54,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:54,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:54,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:54,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:54,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:54,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:54,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:54,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:54,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:54,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:54,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:54,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:54,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:54,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:56,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:56,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:56,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:56,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:56,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:56,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:57,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:58,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:58,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:59,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:59,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:03:59,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-13 13:03:59,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-13 13:03:59,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 13:03:59,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:03:59,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 13:03:59,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:03:59,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-13 13:03:59,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:03:59,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:03:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:03:59,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:59,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:59,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:59,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:59,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:03:59,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:00,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:00,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:04:00,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:04:00,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 643 [2020-10-13 13:04:00,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:00,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:04:00,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:00,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:04:00,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:00,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:00,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:00,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:00,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:00,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:04:00,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:04:00,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-13 13:04:00,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:00,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:04:00,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:00,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:04:00,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:00,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:00,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:00,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:00,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:00,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:00,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:04:00,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:00,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:04:00,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:00,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:04:00,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:00,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:00,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:00,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:00,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:00,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:00,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:04:00,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:00,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:04:00,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:00,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:04:00,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:00,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:04:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:00,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:00,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:00,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:00,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:00,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:04:00,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:04:00,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:00,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:04:00,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:00,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:04:00,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:00,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:04:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:00,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:00,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:00,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:00,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:00,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:00,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:00,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:00,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:04:00,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:04:00,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 434 [2020-10-13 13:04:00,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:00,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:04:00,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:04:00,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 13:04:00,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:00,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:00,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:00,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:00,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:00,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:00,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:04:00,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:04:00,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 13:04:00,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:00,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:04:00,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:00,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:04:00,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:00,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:00,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:00,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:00,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:00,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:00,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:04:00,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 13:04:00,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:00,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:04:00,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:00,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:04:00,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:00,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:00,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:00,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:00,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:00,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:00,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:04:00,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:00,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:04:00,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:00,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:04:00,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:00,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:04:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:00,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:00,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:00,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:00,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:00,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:04:00,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:00,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:04:00,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:00,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:04:00,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:00,845 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 87 proven. 122 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-13 13:04:00,846 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2033507476] [2020-10-13 13:04:00,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:04:00,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-13 13:04:00,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987464851] [2020-10-13 13:04:00,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 13:04:00,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:04:00,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 13:04:00,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-10-13 13:04:00,848 INFO L87 Difference]: Start difference. First operand 42 states and 50 transitions. Second operand 14 states. [2020-10-13 13:04:01,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:04:01,203 INFO L93 Difference]: Finished difference Result 89 states and 124 transitions. [2020-10-13 13:04:01,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-13 13:04:01,206 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 82 [2020-10-13 13:04:01,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:04:01,208 INFO L225 Difference]: With dead ends: 89 [2020-10-13 13:04:01,208 INFO L226 Difference]: Without dead ends: 57 [2020-10-13 13:04:01,209 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=139, Invalid=413, Unknown=0, NotChecked=0, Total=552 [2020-10-13 13:04:01,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-13 13:04:01,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-10-13 13:04:01,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-13 13:04:01,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 65 transitions. [2020-10-13 13:04:01,216 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 65 transitions. Word has length 82 [2020-10-13 13:04:01,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:04:01,217 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 65 transitions. [2020-10-13 13:04:01,217 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 13:04:01,217 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 65 transitions. [2020-10-13 13:04:01,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-13 13:04:01,218 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:04:01,218 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 15, 9, 9, 9, 9, 9, 9, 9, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:04:01,219 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 13:04:01,219 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:04:01,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:04:01,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1040445716, now seen corresponding path program 7 times [2020-10-13 13:04:01,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:04:01,220 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1050644188] [2020-10-13 13:04:01,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:04:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:01,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:01,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:01,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:01,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:01,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:01,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:01,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:02,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:06,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:06,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 13:04:06,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 13:04:06,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-13 13:04:06,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:06,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:04:06,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:04:06,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-13 13:04:06,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:06,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:04:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:06,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:06,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:06,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:04:06,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:06,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:04:06,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:06,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:06,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:06,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:06,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:06,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:04:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:06,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:06,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:06,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:06,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:06,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:06,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:06,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:06,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:06,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:06,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:06,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:06,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:06,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:06,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:06,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:06,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:07,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:07,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:07,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:07,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:07,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:07,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:08,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:08,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:08,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:09,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:09,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:09,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:11,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:11,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-13 13:04:11,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-13 13:04:11,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-13 13:04:11,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:11,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-13 13:04:11,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:04:11,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-13 13:04:11,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:11,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:11,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:11,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:11,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:11,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:11,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:16,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:04:16,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 13:04:16,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 13:04:16,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:16,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:04:16,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:16,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 13:04:16,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:16,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:16,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:16,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:04:16,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:16,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 13:04:16,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:16,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:04:16,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:16,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 13:04:16,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:16,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:16,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:16,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:04:16,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:16,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:04:16,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:16,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:16,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:16,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:16,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:16,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:16,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:16,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:16,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:16,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:04:16,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:16,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:16,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:16,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:16,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:16,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:16,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:16,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:16,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:16,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:04:16,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:16,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:16,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:16,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:16,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:16,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:04:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:16,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:16,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:16,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:16,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:04:16,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:16,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:16,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:16,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:16,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:16,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:04:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:16,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:16,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:04:16,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:04:16,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-13 13:04:16,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:16,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:04:16,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:16,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:04:16,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:16,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:16,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:16,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:16,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:16,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:04:16,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:16,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:04:16,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:16,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:04:16,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:16,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:16,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:16,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:16,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:16,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:04:16,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:16,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:04:16,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:16,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:04:16,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:16,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 13:04:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:16,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:16,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:17,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:18,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:18,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:19,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:21,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:21,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:04:21,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-13 13:04:21,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 13:04:21,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:21,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:04:21,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:04:21,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:04:21,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:21,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:21,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:21,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:21,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:21,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:21,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:21,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:22,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:22,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:04:22,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:04:22,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 736 [2020-10-13 13:04:22,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:22,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:04:22,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:22,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:04:22,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:22,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:22,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:22,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:22,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:04:22,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:22,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:04:22,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:22,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:04:22,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:22,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:04:22,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:22,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:22,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:22,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:22,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:22,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:22,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:04:22,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:22,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:22,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:22,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:22,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:22,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:22,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:22,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:22,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:22,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:22,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:04:22,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:22,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:22,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:22,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:22,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:22,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:04:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:22,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:22,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:22,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:22,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:22,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:04:22,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:04:22,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:22,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:04:22,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:22,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:04:22,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:22,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:04:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:22,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:22,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:22,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:04:22,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:22,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:04:22,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:22,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:04:22,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:22,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:04:22,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:22,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:22,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:22,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:22,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:22,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:22,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:04:22,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:22,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:22,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:22,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:22,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:22,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:22,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:22,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:22,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:22,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:22,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:04:22,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:22,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:22,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:22,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:22,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:22,372 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 256 proven. 211 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2020-10-13 13:04:22,373 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1050644188] [2020-10-13 13:04:22,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:04:22,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 13:04:22,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864251455] [2020-10-13 13:04:22,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 13:04:22,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:04:22,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 13:04:22,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-13 13:04:22,375 INFO L87 Difference]: Start difference. First operand 54 states and 65 transitions. Second operand 13 states. [2020-10-13 13:04:22,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:04:22,805 INFO L93 Difference]: Finished difference Result 130 states and 185 transitions. [2020-10-13 13:04:22,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-13 13:04:22,806 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 136 [2020-10-13 13:04:22,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:04:22,808 INFO L225 Difference]: With dead ends: 130 [2020-10-13 13:04:22,808 INFO L226 Difference]: Without dead ends: 71 [2020-10-13 13:04:22,810 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650 [2020-10-13 13:04:22,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-13 13:04:22,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 61. [2020-10-13 13:04:22,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-10-13 13:04:22,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 80 transitions. [2020-10-13 13:04:22,820 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 80 transitions. Word has length 136 [2020-10-13 13:04:22,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:04:22,820 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 80 transitions. [2020-10-13 13:04:22,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 13:04:22,821 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2020-10-13 13:04:22,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-13 13:04:22,822 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:04:22,822 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 12, 7, 7, 7, 7, 7, 7, 7, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:04:22,822 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 13:04:22,823 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:04:22,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:04:22,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1200034344, now seen corresponding path program 8 times [2020-10-13 13:04:22,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:04:22,823 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1453930463] [2020-10-13 13:04:22,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:04:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:22,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:23,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:23,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-13 13:04:23,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:23,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-10-13 13:04:23,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:23,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-13 13:04:23,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-13 13:04:23,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-13 13:04:23,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:23,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:04:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:23,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:23,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:23,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:04:23,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:23,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:04:23,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:23,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:23,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:23,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:23,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:23,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:04:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:23,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:23,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:23,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 13:04:23,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:23,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 308 [2020-10-13 13:04:23,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:23,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-13 13:04:23,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:23,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-13 13:04:23,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:23,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:23,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:23,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:23,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:04:23,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:23,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-13 13:04:23,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:23,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-13 13:04:23,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:23,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-13 13:04:23,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:23,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:23,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:23,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:23,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:04:23,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:23,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 13:04:23,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:23,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 13:04:23,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:23,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-13 13:04:23,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:23,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:23,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:23,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:23,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:04:23,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:23,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 13:04:23,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:23,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:04:23,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:23,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 13:04:23,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:23,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:23,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:23,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:23,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:23,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:23,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:04:23,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:23,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:04:23,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:23,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:04:23,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:23,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:23,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:23,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:23,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:23,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:23,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:04:23,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:23,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:04:23,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:23,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:04:23,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:23,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:04:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:23,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:23,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:23,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:23,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:23,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:04:23,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:23,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:04:23,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:23,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:04:23,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:23,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:04:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:23,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:23,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:23,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:04:23,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:23,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 13:04:23,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:23,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:04:23,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:23,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:04:23,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:23,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:23,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:23,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:23,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:23,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:23,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:04:23,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:23,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:04:23,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:23,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:04:23,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:23,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:23,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:24,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:24,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:24,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:24,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:04:24,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:24,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:04:24,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:24,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:04:24,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:24,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 13:04:24,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:24,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:24,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:24,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:04:24,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:24,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-13 13:04:24,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:24,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:04:24,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:24,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 13:04:24,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:24,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:24,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:24,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:24,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:04:24,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:24,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 13:04:24,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:24,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:04:24,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:24,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-13 13:04:24,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:24,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:24,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:24,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:24,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:24,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:24,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:04:24,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:24,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 13:04:24,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:24,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:04:24,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:24,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:24,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:24,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:24,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:24,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:24,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:04:24,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:24,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:04:24,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:24,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:04:24,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:24,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:04:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:24,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:24,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:24,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:24,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:24,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:04:24,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:24,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 13:04:24,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:24,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:04:24,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:24,217 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 2 proven. 185 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2020-10-13 13:04:24,218 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1453930463] [2020-10-13 13:04:24,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:04:24,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-13 13:04:24,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407636799] [2020-10-13 13:04:24,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-13 13:04:24,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:04:24,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-13 13:04:24,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2020-10-13 13:04:24,220 INFO L87 Difference]: Start difference. First operand 61 states and 80 transitions. Second operand 17 states. [2020-10-13 13:04:24,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:04:24,466 INFO L93 Difference]: Finished difference Result 74 states and 101 transitions. [2020-10-13 13:04:24,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 13:04:24,466 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 109 [2020-10-13 13:04:24,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:04:24,468 INFO L225 Difference]: With dead ends: 74 [2020-10-13 13:04:24,469 INFO L226 Difference]: Without dead ends: 70 [2020-10-13 13:04:24,470 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 45 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2020-10-13 13:04:24,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-10-13 13:04:24,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 69. [2020-10-13 13:04:24,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-13 13:04:24,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 94 transitions. [2020-10-13 13:04:24,489 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 94 transitions. Word has length 109 [2020-10-13 13:04:24,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:04:24,489 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 94 transitions. [2020-10-13 13:04:24,489 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-13 13:04:24,489 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 94 transitions. [2020-10-13 13:04:24,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-13 13:04:24,493 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:04:24,493 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 15, 9, 9, 9, 9, 9, 9, 9, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:04:24,493 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 13:04:24,493 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:04:24,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:04:24,494 INFO L82 PathProgramCache]: Analyzing trace with hash -344605238, now seen corresponding path program 9 times [2020-10-13 13:04:24,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:04:24,494 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1100676715] [2020-10-13 13:04:24,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:04:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:24,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:24,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:24,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:24,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:24,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:24,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:24,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:24,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:25,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:26,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:26,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:26,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:26,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:26,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:28,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:29,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:29,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 13:04:29,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-13 13:04:29,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-13 13:04:29,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:29,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:04:29,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:04:29,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 13:04:29,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:29,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:04:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:29,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:29,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:29,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:04:29,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:29,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:04:29,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:29,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:29,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:29,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:29,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:29,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:04:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:29,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:29,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:29,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:29,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:29,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:29,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:29,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:29,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:29,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:29,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:30,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:30,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:30,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:30,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:31,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:31,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:31,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:31,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:31,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:34,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-13 13:04:34,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-13 13:04:34,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 13:04:34,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:34,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:04:34,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 13:04:34,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-13 13:04:34,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:34,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:34,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:34,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:35,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:36,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:36,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:36,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:39,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:39,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-10-13 13:04:39,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-13 13:04:39,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 13:04:39,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:39,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:04:39,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:04:39,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-13 13:04:39,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:39,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:39,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:39,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:39,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:39,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:39,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:39,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:39,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:39,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:42,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:42,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:04:42,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 13:04:42,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2740 [2020-10-13 13:04:42,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:42,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:04:42,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:42,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 13:04:42,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:42,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:42,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:42,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:42,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:04:42,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:42,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 13:04:42,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:42,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:04:42,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:42,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-13 13:04:42,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:42,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:42,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:42,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:42,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:04:42,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:42,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:04:42,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:42,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:42,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:42,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:42,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:42,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:42,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:42,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:42,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:42,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:42,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:04:42,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:42,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:42,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:42,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:42,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:42,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:42,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:42,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:42,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:42,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:42,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:04:42,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:42,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:42,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:42,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:42,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:42,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:04:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:42,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:42,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:42,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:42,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:42,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:04:42,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:42,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:42,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:42,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:42,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:42,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:04:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:42,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:42,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:42,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:42,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:42,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:04:42,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:04:42,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-13 13:04:42,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:42,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:04:42,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:42,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:04:42,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:42,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:42,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:42,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:42,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:42,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:42,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:04:42,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:04:42,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:42,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:04:42,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:42,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:04:42,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:42,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:42,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:42,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:42,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:42,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:42,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:04:42,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:42,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:04:42,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:42,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:04:42,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:42,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 13:04:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:42,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:42,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:42,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:42,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:42,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:04:42,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:04:42,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-13 13:04:42,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:42,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 13:04:42,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:04:42,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:04:42,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:42,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:42,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:42,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:42,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:42,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:42,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:04:42,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:42,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:04:42,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:42,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:04:42,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:42,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:42,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:42,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:42,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:42,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:42,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:42,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:04:42,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:42,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:04:42,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:42,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:04:42,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:42,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 13:04:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:42,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:42,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:42,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:04:42,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:42,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:04:42,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:42,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:42,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 13:04:42,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:42,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:42,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:42,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:42,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:42,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:04:42,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:42,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:04:42,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:42,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:42,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:42,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:42,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:42,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:42,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:42,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:42,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:42,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:42,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:04:42,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:42,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:42,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:42,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:42,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:42,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:04:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:42,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:42,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:42,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:04:42,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:42,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:04:42,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:42,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:42,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:42,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:42,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:42,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:04:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:42,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:42,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:42,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:04:42,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:42,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:04:42,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:42,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:42,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:42,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:42,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:42,715 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 252 proven. 202 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2020-10-13 13:04:42,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1100676715] [2020-10-13 13:04:42,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:04:42,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 13:04:42,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721635759] [2020-10-13 13:04:42,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 13:04:42,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:04:42,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 13:04:42,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-13 13:04:42,717 INFO L87 Difference]: Start difference. First operand 69 states and 94 transitions. Second operand 12 states. [2020-10-13 13:04:42,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:04:42,962 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2020-10-13 13:04:42,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 13:04:42,962 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 136 [2020-10-13 13:04:42,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:04:42,964 INFO L225 Difference]: With dead ends: 121 [2020-10-13 13:04:42,964 INFO L226 Difference]: Without dead ends: 66 [2020-10-13 13:04:42,965 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=301, Unknown=0, NotChecked=0, Total=420 [2020-10-13 13:04:42,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-10-13 13:04:42,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2020-10-13 13:04:42,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-13 13:04:42,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 82 transitions. [2020-10-13 13:04:42,976 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 82 transitions. Word has length 136 [2020-10-13 13:04:42,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:04:42,977 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 82 transitions. [2020-10-13 13:04:42,977 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 13:04:42,977 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2020-10-13 13:04:42,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-13 13:04:42,979 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 13:04:42,980 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 25, 15, 15, 15, 15, 15, 15, 15, 10, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 13:04:42,980 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 13:04:42,980 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 13:04:42,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 13:04:42,981 INFO L82 PathProgramCache]: Analyzing trace with hash 706081956, now seen corresponding path program 10 times [2020-10-13 13:04:42,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 13:04:42,981 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [148189874] [2020-10-13 13:04:42,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 13:04:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:43,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:43,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:43,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:43,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:43,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:43,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:43,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:43,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:45,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:45,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:46,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:48,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-13 13:04:48,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-13 13:04:48,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 13:04:48,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:48,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:04:48,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 13:04:48,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-13 13:04:48,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:48,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 13:04:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:48,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:48,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 13:04:48,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:04:48,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 13:04:48,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:48,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:04:48,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:48,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:04:48,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:48,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 13:04:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:48,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:48,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:51,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:53,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-13 13:04:53,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-13 13:04:53,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-13 13:04:53,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:53,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-13 13:04:53,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 13:04:53,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 193 [2020-10-13 13:04:53,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:53,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:53,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:53,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:55,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:55,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:55,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:56,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:56,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:56,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:56,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:58,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:04:58,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 13:04:58,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-13 13:04:58,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 13:04:58,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:04:58,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-13 13:04:58,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:04:58,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-13 13:04:58,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:04:58,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:04:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:04:58,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:58,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:58,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:58,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:58,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:58,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:58,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:58,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:58,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:58,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:58,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:58,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:58,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:58,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:58,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:59,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:04:59,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:03,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:03,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:05:03,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-13 13:05:03,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 13:05:03,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:03,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:05:03,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:03,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-13 13:05:03,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:03,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:03,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:03,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:03,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:03,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:03,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:03,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:04,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:05:04,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:05:04,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1242 [2020-10-13 13:05:04,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:04,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 13:05:04,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:04,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:05:04,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:04,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:04,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:04,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:04,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:05:04,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-13 13:05:04,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:04,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:05:04,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:04,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:05:04,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:04,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:04,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:04,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:04,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:04,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:05:04,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 13:05:04,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:04,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:05:04,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:04,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:05:04,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:04,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:04,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:04,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:04,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:04,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:05:04,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:04,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:05:04,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:04,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:05:04,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:04,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:05:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:04,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:04,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:04,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:04,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:05:04,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:04,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:05:04,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:04,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:05:04,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:04,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:05:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:04,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:04,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:04,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:04,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 13:05:04,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:04,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:05:04,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:04,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 13:05:04,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:04,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:04,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:04,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:04,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:04,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:04,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:04,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:04,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:04,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:04,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:04,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:04,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:04,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:04,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:04,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:04,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:04,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:04,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:04,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:04,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:04,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:04,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 13:05:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:04,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:04,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:06,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:06,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:05:06,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:05:06,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1360 [2020-10-13 13:05:06,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:06,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 13:05:06,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:06,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:05:06,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:06,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:06,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:06,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:06,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:06,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:06,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:06,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:05:06,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 13:05:06,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:06,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:05:06,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:06,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:05:06,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:06,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:06,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:06,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:06,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:06,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:06,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:05:06,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 13:05:06,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:06,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:05:06,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:06,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:05:06,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:06,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:06,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:06,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:06,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:06,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:06,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:06,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:06,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:05:06,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:06,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:05:06,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:06,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:05:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:06,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:06,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:06,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:06,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:06,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:06,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:06,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:05:06,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:06,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:05:06,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:06,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 13:05:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:06,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:06,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:06,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:06,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:06,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:06,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:06,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:06,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:06,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:06,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:07,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:11,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:11,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-13 13:05:11,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-13 13:05:11,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-13 13:05:11,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:11,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 13:05:11,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 13:05:11,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-13 13:05:11,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:11,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:11,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:11,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:11,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 13:05:11,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:11,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 13:05:11,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:11,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:05:11,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:11,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-13 13:05:11,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:11,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:11,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:11,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:11,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:11,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:05:11,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:11,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 13:05:11,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:11,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:11,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:11,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:11,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:11,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:11,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:11,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:11,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:11,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:11,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:05:11,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:11,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:11,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:11,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:11,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:11,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:11,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:11,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:11,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:11,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:11,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:11,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:11,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:11,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:11,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:11,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:11,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:11,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:11,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:11,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:11,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:11,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:11,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:11,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:11,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:11,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:11,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:11,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:05:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:11,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:11,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:11,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:11,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:11,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:11,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:11,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:11,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:11,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:11,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:11,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 13:05:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:11,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:11,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:11,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:11,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:11,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:05:11,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:11,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:11,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:11,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:11,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:11,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:11,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:11,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:11,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:11,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:11,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:11,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:11,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:11,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:11,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:11,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:11,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:11,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:11,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:11,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:11,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:11,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 13:05:11,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:11,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 13:05:11,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:11,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 13:05:11,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:11,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 13:05:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:11,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:11,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:11,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:11,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:11,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:11,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:12,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:12,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 13:05:12,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 13:05:12,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1140 [2020-10-13 13:05:12,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:12,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 13:05:12,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:12,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 13:05:12,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 13:05:12,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:12,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:12,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:12,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:12,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:12,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-13 13:05:12,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 13:05:12,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-13 13:05:12,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:12,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 13:05:12,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:12,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 13:05:12,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:12,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 13:05:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:12,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:12,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:12,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:12,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:12,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 13:05:12,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 13:05:12,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:12,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 13:05:12,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:12,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 13:05:12,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:12,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 13:05:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:12,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:12,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:12,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 13:05:12,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:12,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 13:05:12,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:12,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:05:12,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:12,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 13:05:12,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:12,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 13:05:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 13:05:12,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 13:05:12,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 13:05:12,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 13:05:12,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 13:05:12,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 13:05:12,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 13:05:12,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 13:05:12,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 13:05:12,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 13:05:12,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 13:05:13,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 541 proven. 961 refuted. 0 times theorem prover too weak. 1078 trivial. 0 not checked. [2020-10-13 13:05:13,021 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [148189874] [2020-10-13 13:05:13,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 13:05:13,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-13 13:05:13,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172560349] [2020-10-13 13:05:13,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-13 13:05:13,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 13:05:13,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-13 13:05:13,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=416, Unknown=0, NotChecked=0, Total=506 [2020-10-13 13:05:13,026 INFO L87 Difference]: Start difference. First operand 64 states and 82 transitions. Second operand 23 states. [2020-10-13 13:05:13,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 13:05:13,464 INFO L93 Difference]: Finished difference Result 94 states and 125 transitions. [2020-10-13 13:05:13,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 13:05:13,465 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 218 [2020-10-13 13:05:13,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 13:05:13,466 INFO L225 Difference]: With dead ends: 94 [2020-10-13 13:05:13,466 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 13:05:13,468 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 63 SyntacticMatches, 4 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=166, Invalid=646, Unknown=0, NotChecked=0, Total=812 [2020-10-13 13:05:13,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 13:05:13,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 13:05:13,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 13:05:13,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 13:05:13,470 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 218 [2020-10-13 13:05:13,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 13:05:13,471 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 13:05:13,471 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-13 13:05:13,471 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 13:05:13,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 13:05:13,472 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 13:05:13,475 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 13:05:14,099 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 30 [2020-10-13 13:05:14,242 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 6 [2020-10-13 13:05:14,246 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-13 13:05:14,247 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 13:05:14,247 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 13:05:14,247 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-13 13:05:14,247 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 13:05:14,247 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 13:05:14,247 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 27) no Hoare annotation was computed. [2020-10-13 13:05:14,247 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 23 30) the Hoare annotation is: true [2020-10-13 13:05:14,247 INFO L268 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-13 13:05:14,248 INFO L268 CegarLoopResult]: For program point L26(lines 26 28) no Hoare annotation was computed. [2020-10-13 13:05:14,248 INFO L264 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: (= 5 main_~x~0) [2020-10-13 13:05:14,248 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 23 30) no Hoare annotation was computed. [2020-10-13 13:05:14,248 INFO L268 CegarLoopResult]: For program point L25-1(line 25) no Hoare annotation was computed. [2020-10-13 13:05:14,248 INFO L268 CegarLoopResult]: For program point L26-2(lines 26 28) no Hoare annotation was computed. [2020-10-13 13:05:14,248 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 23 30) no Hoare annotation was computed. [2020-10-13 13:05:14,248 INFO L268 CegarLoopResult]: For program point fiboEXIT(lines 5 13) no Hoare annotation was computed. [2020-10-13 13:05:14,248 INFO L268 CegarLoopResult]: For program point fiboFINAL(lines 5 13) no Hoare annotation was computed. [2020-10-13 13:05:14,249 INFO L264 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: (and (<= 2 |fibo_#in~n|) (= fibo_~n |fibo_#in~n|)) [2020-10-13 13:05:14,249 INFO L268 CegarLoopResult]: For program point L11-1(line 11) no Hoare annotation was computed. [2020-10-13 13:05:14,250 INFO L264 CegarLoopResult]: At program point L11-2(line 11) the Hoare annotation is: (let ((.cse0 (<= |fibo_#in~n| 3))) (and (or (and (<= 1 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 1)) (not .cse0)) (or (not (<= |fibo_#in~n| 5)) (<= fibo_~n 4) (and (<= 3 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 3))) (<= 2 |fibo_#in~n|) (= fibo_~n |fibo_#in~n|) (or (and (<= 2 |fibo_#t~ret0|) (<= |fibo_#t~ret0| 2)) (not (<= |fibo_#in~n| 4)) .cse0))) [2020-10-13 13:05:14,250 INFO L268 CegarLoopResult]: For program point L8(lines 8 12) no Hoare annotation was computed. [2020-10-13 13:05:14,250 INFO L268 CegarLoopResult]: For program point L11-3(line 11) no Hoare annotation was computed. [2020-10-13 13:05:14,250 INFO L268 CegarLoopResult]: For program point L6(lines 6 12) no Hoare annotation was computed. [2020-10-13 13:05:14,251 INFO L271 CegarLoopResult]: At program point fiboENTRY(lines 5 13) the Hoare annotation is: true [2020-10-13 13:05:14,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 01:05:14 BoogieIcfgContainer [2020-10-13 13:05:14,258 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 13:05:14,261 INFO L168 Benchmark]: Toolchain (without parser) took 123818.36 ms. Allocated memory was 141.6 MB in the beginning and 1.0 GB in the end (delta: 881.9 MB). Free memory was 105.1 MB in the beginning and 298.5 MB in the end (delta: -193.3 MB). Peak memory consumption was 688.5 MB. Max. memory is 7.1 GB. [2020-10-13 13:05:14,263 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.7 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-13 13:05:14,263 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.46 ms. Allocated memory is still 141.6 MB. Free memory was 105.1 MB in the beginning and 95.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2020-10-13 13:05:14,269 INFO L168 Benchmark]: Boogie Preprocessor took 31.24 ms. Allocated memory is still 141.6 MB. Free memory was 95.4 MB in the beginning and 94.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-10-13 13:05:14,275 INFO L168 Benchmark]: RCFGBuilder took 386.30 ms. Allocated memory was 141.6 MB in the beginning and 208.1 MB in the end (delta: 66.6 MB). Free memory was 93.7 MB in the beginning and 176.0 MB in the end (delta: -82.3 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-10-13 13:05:14,277 INFO L168 Benchmark]: TraceAbstraction took 123159.76 ms. Allocated memory was 208.1 MB in the beginning and 1.0 GB in the end (delta: 815.3 MB). Free memory was 175.1 MB in the beginning and 298.5 MB in the end (delta: -123.4 MB). Peak memory consumption was 691.9 MB. Max. memory is 7.1 GB. [2020-10-13 13:05:14,280 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.7 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 235.46 ms. Allocated memory is still 141.6 MB. Free memory was 105.1 MB in the beginning and 95.4 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.24 ms. Allocated memory is still 141.6 MB. Free memory was 95.4 MB in the beginning and 94.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 386.30 ms. Allocated memory was 141.6 MB in the beginning and 208.1 MB in the end (delta: 66.6 MB). Free memory was 93.7 MB in the beginning and 176.0 MB in the end (delta: -82.3 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 123159.76 ms. Allocated memory was 208.1 MB in the beginning and 1.0 GB in the end (delta: 815.3 MB). Free memory was 175.1 MB in the beginning and 298.5 MB in the end (delta: -123.4 MB). Peak memory consumption was 691.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 27]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 122.3s, OverallIterations: 14, TraceHistogramMax: 31, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 278 SDtfs, 455 SDslu, 1225 SDs, 0 SdLazy, 1447 SolverSat, 386 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 532 GetRequests, 342 SyntacticMatches, 10 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 394 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 43 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 200 PreInvPairs, 378 NumberOfFragments, 64 HoareAnnotationTreeSize, 200 FomulaSimplifications, 3148 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 8 FomulaSimplificationsInter, 1398 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 118.6s InterpolantComputationTime, 1048 NumberOfCodeBlocks, 1048 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1034 ConstructedInterpolants, 0 QuantifiedInterpolants, 306803 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 4320/6119 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...