/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=BIGGEST --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_20-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 18:17:41,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 18:17:41,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 18:17:41,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 18:17:41,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 18:17:41,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 18:17:41,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 18:17:41,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 18:17:41,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 18:17:41,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 18:17:41,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 18:17:41,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 18:17:41,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 18:17:41,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 18:17:41,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 18:17:41,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 18:17:41,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 18:17:41,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 18:17:41,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 18:17:41,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 18:17:41,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 18:17:41,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 18:17:41,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 18:17:41,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 18:17:41,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 18:17:41,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 18:17:41,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 18:17:41,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 18:17:41,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 18:17:41,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 18:17:41,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 18:17:41,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 18:17:41,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 18:17:41,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 18:17:41,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 18:17:41,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 18:17:41,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 18:17:41,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 18:17:41,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 18:17:41,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 18:17:41,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 18:17:41,187 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 [2020-10-12 18:17:41,233 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 18:17:41,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 18:17:41,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 18:17:41,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 18:17:41,236 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 18:17:41,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 18:17:41,237 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 18:17:41,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 18:17:41,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 18:17:41,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 18:17:41,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 18:17:41,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 18:17:41,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 18:17:41,239 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 18:17:41,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 18:17:41,240 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 18:17:41,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 18:17:41,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 18:17:41,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 18:17:41,242 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 18:17:41,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 18:17:41,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 18:17:41,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 18:17:41,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 18:17:41,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 18:17:41,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 18:17:41,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 18:17:41,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 18:17:41,244 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 18:17:41,244 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 18:17:41,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 18:17:41,539 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 18:17:41,543 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 18:17:41,544 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 18:17:41,545 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 18:17:41,545 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_20-1.c [2020-10-12 18:17:41,607 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/19dfe88ba/fefd2314a8e94ff9b3f1549f167bfd24/FLAG24cf2d250 [2020-10-12 18:17:42,036 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 18:17:42,037 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_20-1.c [2020-10-12 18:17:42,043 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/19dfe88ba/fefd2314a8e94ff9b3f1549f167bfd24/FLAG24cf2d250 [2020-10-12 18:17:42,405 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/19dfe88ba/fefd2314a8e94ff9b3f1549f167bfd24 [2020-10-12 18:17:42,415 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 18:17:42,418 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 18:17:42,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 18:17:42,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 18:17:42,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 18:17:42,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 06:17:42" (1/1) ... [2020-10-12 18:17:42,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@156a129e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:17:42, skipping insertion in model container [2020-10-12 18:17:42,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 06:17:42" (1/1) ... [2020-10-12 18:17:42,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 18:17:42,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 18:17:42,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 18:17:42,605 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 18:17:42,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 18:17:42,631 INFO L208 MainTranslator]: Completed translation [2020-10-12 18:17:42,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:17:42 WrapperNode [2020-10-12 18:17:42,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 18:17:42,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 18:17:42,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 18:17:42,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 18:17:42,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:17:42" (1/1) ... [2020-10-12 18:17:42,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:17:42" (1/1) ... [2020-10-12 18:17:42,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:17:42" (1/1) ... [2020-10-12 18:17:42,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:17:42" (1/1) ... [2020-10-12 18:17:42,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:17:42" (1/1) ... [2020-10-12 18:17:42,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:17:42" (1/1) ... [2020-10-12 18:17:42,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:17:42" (1/1) ... [2020-10-12 18:17:42,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 18:17:42,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 18:17:42,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 18:17:42,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 18:17:42,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:17:42" (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 [2020-10-12 18:17:42,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 18:17:42,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 18:17:42,801 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2020-10-12 18:17:42,801 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 18:17:42,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 18:17:42,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 18:17:42,802 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2020-10-12 18:17:42,802 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 18:17:42,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 18:17:42,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 18:17:42,979 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 18:17:42,979 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-12 18:17:42,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:17:42 BoogieIcfgContainer [2020-10-12 18:17:42,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 18:17:42,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 18:17:42,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 18:17:42,989 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 18:17:42,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 06:17:42" (1/3) ... [2020-10-12 18:17:42,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6322bfd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 06:17:42, skipping insertion in model container [2020-10-12 18:17:42,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:17:42" (2/3) ... [2020-10-12 18:17:42,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6322bfd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 06:17:42, skipping insertion in model container [2020-10-12 18:17:42,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:17:42" (3/3) ... [2020-10-12 18:17:42,992 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_20-1.c [2020-10-12 18:17:43,003 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 18:17:43,011 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 18:17:43,031 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 18:17:43,063 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 18:17:43,064 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 18:17:43,064 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 18:17:43,064 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 18:17:43,064 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 18:17:43,065 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 18:17:43,065 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 18:17:43,065 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 18:17:43,093 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-10-12 18:17:43,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-12 18:17:43,101 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:17:43,102 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:17:43,103 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:17:43,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:17:43,112 INFO L82 PathProgramCache]: Analyzing trace with hash 537028541, now seen corresponding path program 1 times [2020-10-12 18:17:43,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:17:43,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1684145773] [2020-10-12 18:17:43,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:17:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:43,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:43,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:43,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:43,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 18:17:43,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:17:43,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-12 18:17:43,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:43,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:17:43,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 18:17:43,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:17:43,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 18:17:43,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:17:43,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:43,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:43,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:43,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:17:43,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:43,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 18:17:43,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:43,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:17:43,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:43,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:17:43,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:17:43,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:17:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:43,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:43,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:43,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:17:43,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:43,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-12 18:17:43,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:43,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:17:43,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:43,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:17:43,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-12 18:17:43,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 18:17:43,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1684145773] [2020-10-12 18:17:43,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:17:43,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 18:17:43,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651554806] [2020-10-12 18:17:43,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 18:17:43,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:17:43,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 18:17:43,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 18:17:43,609 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 5 states. [2020-10-12 18:17:43,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:17:43,665 INFO L93 Difference]: Finished difference Result 38 states and 44 transitions. [2020-10-12 18:17:43,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 18:17:43,667 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-12 18:17:43,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:17:43,679 INFO L225 Difference]: With dead ends: 38 [2020-10-12 18:17:43,680 INFO L226 Difference]: Without dead ends: 21 [2020-10-12 18:17:43,684 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 18:17:43,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-10-12 18:17:43,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-10-12 18:17:43,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-12 18:17:43,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-10-12 18:17:43,734 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 13 [2020-10-12 18:17:43,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:17:43,735 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-10-12 18:17:43,735 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 18:17:43,735 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-10-12 18:17:43,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-12 18:17:43,737 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:17:43,737 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:17:43,738 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 18:17:43,738 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:17:43,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:17:43,739 INFO L82 PathProgramCache]: Analyzing trace with hash 179123823, now seen corresponding path program 1 times [2020-10-12 18:17:43,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:17:43,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1269898122] [2020-10-12 18:17:43,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:17:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:43,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:43,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:43,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:43,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 18:17:43,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:17:43,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-12 18:17:43,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:43,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:17:43,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 18:17:43,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:17:43,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:17:43,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:17:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:43,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:43,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:43,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:17:43,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:43,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:17:43,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:43,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:17:43,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:43,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:17:43,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:17:43,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:17:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:43,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:43,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:43,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:17:43,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:43,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-12 18:17:43,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:43,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:17:43,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:17:43,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:17:43,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:17:43,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 18:17:43,997 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1269898122] [2020-10-12 18:17:43,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 18:17:43,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 18:17:43,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602084638] [2020-10-12 18:17:44,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 18:17:44,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:17:44,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 18:17:44,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 18:17:44,002 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 5 states. [2020-10-12 18:17:44,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:17:44,091 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2020-10-12 18:17:44,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-12 18:17:44,092 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-12 18:17:44,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:17:44,094 INFO L225 Difference]: With dead ends: 27 [2020-10-12 18:17:44,094 INFO L226 Difference]: Without dead ends: 23 [2020-10-12 18:17:44,095 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 [2020-10-12 18:17:44,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-12 18:17:44,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2020-10-12 18:17:44,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-12 18:17:44,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-10-12 18:17:44,103 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 14 [2020-10-12 18:17:44,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:17:44,103 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-10-12 18:17:44,103 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 18:17:44,103 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-10-12 18:17:44,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-12 18:17:44,105 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:17:44,105 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] [2020-10-12 18:17:44,105 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 18:17:44,106 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:17:44,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:17:44,106 INFO L82 PathProgramCache]: Analyzing trace with hash 806022394, now seen corresponding path program 1 times [2020-10-12 18:17:44,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:17:44,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1156482664] [2020-10-12 18:17:44,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:17:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:44,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:44,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:44,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:44,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:45,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:45,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 18:17:45,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 18:17:45,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 967 [2020-10-12 18:17:45,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:45,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:17:45,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-12 18:17:45,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:17:45,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:17:45,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:17:45,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:45,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:45,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:45,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:17:45,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:45,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:17:45,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:45,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:17:45,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:45,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:17:45,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:17:45,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:17:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:45,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:45,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:45,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:45,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 18:17:45,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:17:45,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-12 18:17:45,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:45,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:17:45,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:45,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 18:17:45,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:17:45,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:45,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:45,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:45,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:17:45,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:45,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:17:45,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:45,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:17:45,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:45,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:17:45,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:45,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:17:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:45,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:45,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:45,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:17:45,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:45,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 18:17:45,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:45,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:17:45,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:45,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:17:45,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:17:45,457 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-12 18:17:45,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1156482664] [2020-10-12 18:17:45,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:17:45,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 18:17:45,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215202844] [2020-10-12 18:17:45,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 18:17:45,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:17:45,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 18:17:45,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-12 18:17:45,460 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 8 states. [2020-10-12 18:17:45,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:17:45,528 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2020-10-12 18:17:45,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 18:17:45,529 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2020-10-12 18:17:45,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:17:45,532 INFO L225 Difference]: With dead ends: 33 [2020-10-12 18:17:45,533 INFO L226 Difference]: Without dead ends: 29 [2020-10-12 18:17:45,533 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-12 18:17:45,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-12 18:17:45,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2020-10-12 18:17:45,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-12 18:17:45,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 38 transitions. [2020-10-12 18:17:45,551 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 38 transitions. Word has length 26 [2020-10-12 18:17:45,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:17:45,551 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 38 transitions. [2020-10-12 18:17:45,551 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 18:17:45,552 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2020-10-12 18:17:45,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-12 18:17:45,556 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:17:45,556 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] [2020-10-12 18:17:45,557 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 18:17:45,557 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:17:45,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:17:45,558 INFO L82 PathProgramCache]: Analyzing trace with hash -2128676134, now seen corresponding path program 1 times [2020-10-12 18:17:45,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:17:45,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [190856330] [2020-10-12 18:17:45,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:17:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:45,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:45,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:45,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:45,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:45,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:45,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:46,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:46,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-12 18:17:46,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:17:46,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1158 [2020-10-12 18:17:46,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:46,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:17:46,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-12 18:17:46,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 18:17:46,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:46,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:17:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:46,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:46,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:46,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:17:46,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:46,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:17:46,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:46,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:17:46,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:46,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:17:46,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:46,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:17:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:46,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:46,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:46,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:46,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:47,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:47,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:17:47,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 18:17:47,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 294 [2020-10-12 18:17:47,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:47,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:17:47,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:47,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 18:17:47,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:47,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:47,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:47,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:47,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:17:47,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:47,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:17:47,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:47,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:17:47,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:47,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:17:47,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:47,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:17:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:47,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:47,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:47,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:17:47,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:47,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 18:17:47,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:47,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:17:47,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:47,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:17:47,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:47,167 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-12 18:17:47,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [190856330] [2020-10-12 18:17:47,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:17:47,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-12 18:17:47,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053193179] [2020-10-12 18:17:47,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 18:17:47,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:17:47,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 18:17:47,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-12 18:17:47,169 INFO L87 Difference]: Start difference. First operand 28 states and 38 transitions. Second operand 9 states. [2020-10-12 18:17:47,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:17:47,230 INFO L93 Difference]: Finished difference Result 39 states and 53 transitions. [2020-10-12 18:17:47,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 18:17:47,231 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2020-10-12 18:17:47,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:17:47,233 INFO L225 Difference]: With dead ends: 39 [2020-10-12 18:17:47,233 INFO L226 Difference]: Without dead ends: 35 [2020-10-12 18:17:47,234 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-12 18:17:47,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-12 18:17:47,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31. [2020-10-12 18:17:47,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-12 18:17:47,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2020-10-12 18:17:47,245 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 27 [2020-10-12 18:17:47,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:17:47,245 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2020-10-12 18:17:47,245 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 18:17:47,245 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2020-10-12 18:17:47,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-12 18:17:47,247 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:17:47,247 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] [2020-10-12 18:17:47,247 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 18:17:47,248 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:17:47,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:17:47,248 INFO L82 PathProgramCache]: Analyzing trace with hash -983862936, now seen corresponding path program 2 times [2020-10-12 18:17:47,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:17:47,249 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [95876956] [2020-10-12 18:17:47,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:17:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:47,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:47,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:47,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:47,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:47,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-12 18:17:47,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:17:47,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-10-12 18:17:47,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:47,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:17:47,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-12 18:17:47,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 18:17:47,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:47,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:17:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:47,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:47,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:47,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:17:47,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:47,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:17:47,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:47,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:17:47,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:47,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:17:47,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:17:47,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:17:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:47,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:47,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:47,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:17:47,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:47,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 18:17:47,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:47,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:17:47,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:47,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 18:17:47,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:17:47,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:47,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:47,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:47,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:17:47,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:47,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 18:17:47,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:47,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:17:47,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:47,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:17:47,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:17:47,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:17:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:47,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:47,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:47,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:17:47,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:47,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:17:47,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:47,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:17:47,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:47,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:17:47,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:47,673 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-12 18:17:47,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [95876956] [2020-10-12 18:17:47,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:17:47,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-12 18:17:47,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944224141] [2020-10-12 18:17:47,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 18:17:47,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:17:47,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 18:17:47,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-12 18:17:47,675 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 9 states. [2020-10-12 18:17:47,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:17:47,736 INFO L93 Difference]: Finished difference Result 44 states and 67 transitions. [2020-10-12 18:17:47,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 18:17:47,737 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2020-10-12 18:17:47,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:17:47,739 INFO L225 Difference]: With dead ends: 44 [2020-10-12 18:17:47,740 INFO L226 Difference]: Without dead ends: 40 [2020-10-12 18:17:47,740 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-12 18:17:47,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-12 18:17:47,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 33. [2020-10-12 18:17:47,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-12 18:17:47,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 50 transitions. [2020-10-12 18:17:47,752 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 50 transitions. Word has length 27 [2020-10-12 18:17:47,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:17:47,753 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 50 transitions. [2020-10-12 18:17:47,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 18:17:47,753 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2020-10-12 18:17:47,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-12 18:17:47,755 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:17:47,755 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:17:47,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 18:17:47,755 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:17:47,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:17:47,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1432995631, now seen corresponding path program 3 times [2020-10-12 18:17:47,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:17:47,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [155493123] [2020-10-12 18:17:47,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:17:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:47,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:47,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:47,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:47,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:47,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:47,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:47,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:48,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:52,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:52,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-12 18:17:52,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 18:17:52,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4993 [2020-10-12 18:17:52,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:52,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:17:52,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-12 18:17:52,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:17:52,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:17:52,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:17:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:52,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:52,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:52,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:17:52,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:52,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:17:52,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:52,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:17:52,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:52,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:17:52,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:17:52,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:17:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:52,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:52,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:52,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:52,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:52,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:53,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:53,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-12 18:17:53,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:17:53,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 669 [2020-10-12 18:17:53,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:53,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:17:53,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:53,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 18:17:53,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:17:53,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:53,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:53,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:53,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:17:53,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:53,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:17:53,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:53,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:17:53,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:53,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:17:53,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:17:53,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:17:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:53,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:53,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:53,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:17:53,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:53,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 18:17:53,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:53,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:17:53,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:53,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 18:17:53,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:53,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:17:53,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:53,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:53,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:53,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:17:53,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:53,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:17:53,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:53,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:17:53,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:53,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:17:53,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:17:53,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:17:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:53,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:53,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:53,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:17:53,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:53,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:17:53,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:53,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:17:53,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:53,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:17:53,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:17:53,722 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-12 18:17:53,723 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [155493123] [2020-10-12 18:17:53,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:17:53,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 18:17:53,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460973352] [2020-10-12 18:17:53,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 18:17:53,726 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:17:53,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 18:17:53,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-12 18:17:53,727 INFO L87 Difference]: Start difference. First operand 33 states and 50 transitions. Second operand 12 states. [2020-10-12 18:17:53,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:17:53,838 INFO L93 Difference]: Finished difference Result 53 states and 92 transitions. [2020-10-12 18:17:53,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 18:17:53,839 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 40 [2020-10-12 18:17:53,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:17:53,841 INFO L225 Difference]: With dead ends: 53 [2020-10-12 18:17:53,842 INFO L226 Difference]: Without dead ends: 49 [2020-10-12 18:17:53,843 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-12 18:17:53,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-12 18:17:53,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 38. [2020-10-12 18:17:53,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-12 18:17:53,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 64 transitions. [2020-10-12 18:17:53,855 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 64 transitions. Word has length 40 [2020-10-12 18:17:53,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:17:53,856 INFO L479 AbstractCegarLoop]: Abstraction has 38 states and 64 transitions. [2020-10-12 18:17:53,856 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 18:17:53,856 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2020-10-12 18:17:53,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-12 18:17:53,858 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:17:53,858 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] [2020-10-12 18:17:53,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 18:17:53,859 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:17:53,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:17:53,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1731864637, now seen corresponding path program 4 times [2020-10-12 18:17:53,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:17:53,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [992225437] [2020-10-12 18:17:53,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:17:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:53,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:53,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:53,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:53,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:53,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:54,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:54,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:54,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:54,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:54,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:54,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:56,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:58,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:58,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 18:17:58,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-12 18:17:58,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 18:17:58,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:58,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:17:58,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-12 18:17:58,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 18:17:58,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:17:58,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:17:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:58,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:58,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:17:58,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:17:58,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:17:58,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:17:58,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:17:58,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:17:58,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:17:58,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:17:58,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 18:17:58,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:17:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:17:58,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:58,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:58,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:58,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:58,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:58,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:59,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:59,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:17:59,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:01,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:01,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:18:01,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 18:18:01,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2468 [2020-10-12 18:18:01,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:01,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:18:01,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:01,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 18:18:01,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:01,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:18:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:01,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:01,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:01,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:18:01,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:01,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:18:01,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:01,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:18:01,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:01,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:18:01,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:18:01,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:18:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:01,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:01,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:01,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:01,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:01,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 18:18:01,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:18:01,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-12 18:18:01,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:01,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:18:01,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:01,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:18:01,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:01,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:18:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:01,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:01,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:01,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:18:01,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:01,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:18:01,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:01,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:18:01,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:01,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:18:01,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:01,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:18:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:01,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:01,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:01,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:18:01,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:01,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:18:01,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:01,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:18:01,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:01,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:18:01,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:01,609 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-12 18:18:01,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [992225437] [2020-10-12 18:18:01,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:18:01,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-12 18:18:01,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026178182] [2020-10-12 18:18:01,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 18:18:01,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:18:01,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 18:18:01,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-12 18:18:01,612 INFO L87 Difference]: Start difference. First operand 38 states and 64 transitions. Second operand 11 states. [2020-10-12 18:18:01,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:18:01,687 INFO L93 Difference]: Finished difference Result 51 states and 85 transitions. [2020-10-12 18:18:01,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 18:18:01,688 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 41 [2020-10-12 18:18:01,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:18:01,690 INFO L225 Difference]: With dead ends: 51 [2020-10-12 18:18:01,690 INFO L226 Difference]: Without dead ends: 47 [2020-10-12 18:18:01,691 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-12 18:18:01,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-12 18:18:01,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 35. [2020-10-12 18:18:01,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-12 18:18:01,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 57 transitions. [2020-10-12 18:18:01,701 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 57 transitions. Word has length 41 [2020-10-12 18:18:01,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:18:01,702 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 57 transitions. [2020-10-12 18:18:01,702 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 18:18:01,702 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2020-10-12 18:18:01,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-12 18:18:01,704 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:18:01,704 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] [2020-10-12 18:18:01,704 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 18:18:01,705 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:18:01,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:18:01,705 INFO L82 PathProgramCache]: Analyzing trace with hash 499839773, now seen corresponding path program 5 times [2020-10-12 18:18:01,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:18:01,706 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [917244904] [2020-10-12 18:18:01,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:18:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:01,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:01,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:01,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:01,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:01,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:01,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:02,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:03,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:03,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 18:18:03,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 18:18:03,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1895 [2020-10-12 18:18:03,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:03,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:18:03,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-12 18:18:03,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:18:03,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:03,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:18:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:03,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:03,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:03,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:18:03,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:03,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:18:03,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:03,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:18:03,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:03,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:18:03,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:03,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:18:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:03,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:03,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:03,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:03,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:03,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:03,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:18:03,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 18:18:03,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-12 18:18:03,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:03,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:18:03,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:03,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 18:18:03,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:03,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:18:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:03,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:03,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:03,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:18:03,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:03,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:18:03,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:03,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:18:03,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:03,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:18:03,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:03,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:18:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:03,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:03,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:03,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:18:03,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:03,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 18:18:03,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:03,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:18:03,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:03,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 18:18:03,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:03,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:18:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:03,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:03,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:03,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:18:03,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:03,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:18:03,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:03,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:18:03,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:03,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:18:03,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:03,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:18:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:03,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:03,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:03,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:18:03,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:03,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:18:03,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:03,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:18:03,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:03,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:18:03,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:18:03,986 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-12 18:18:03,986 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [917244904] [2020-10-12 18:18:03,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:18:03,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-12 18:18:03,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591080771] [2020-10-12 18:18:03,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 18:18:03,988 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:18:03,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 18:18:03,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-12 18:18:03,989 INFO L87 Difference]: Start difference. First operand 35 states and 57 transitions. Second operand 11 states. [2020-10-12 18:18:04,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:18:04,105 INFO L93 Difference]: Finished difference Result 48 states and 78 transitions. [2020-10-12 18:18:04,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 18:18:04,105 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 41 [2020-10-12 18:18:04,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:18:04,107 INFO L225 Difference]: With dead ends: 48 [2020-10-12 18:18:04,107 INFO L226 Difference]: Without dead ends: 44 [2020-10-12 18:18:04,108 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-12 18:18:04,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-12 18:18:04,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 38. [2020-10-12 18:18:04,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-12 18:18:04,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 64 transitions. [2020-10-12 18:18:04,117 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 64 transitions. Word has length 41 [2020-10-12 18:18:04,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:18:04,117 INFO L479 AbstractCegarLoop]: Abstraction has 38 states and 64 transitions. [2020-10-12 18:18:04,118 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 18:18:04,118 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2020-10-12 18:18:04,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-12 18:18:04,120 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:18:04,120 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:18:04,120 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 18:18:04,120 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:18:04,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:18:04,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1893001919, now seen corresponding path program 6 times [2020-10-12 18:18:04,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:18:04,121 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1181526813] [2020-10-12 18:18:04,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:18:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:04,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:04,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:04,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:04,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:04,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:04,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:06,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:06,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-12 18:18:06,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:18:06,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1944 [2020-10-12 18:18:06,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:06,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:18:06,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-12 18:18:06,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 18:18:06,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:06,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:18:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:06,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:06,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:06,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:18:06,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:06,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:18:06,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:06,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:18:06,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:06,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:18:06,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:06,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:18:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:06,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:06,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:06,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:06,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:06,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-12 18:18:06,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:18:06,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 265 [2020-10-12 18:18:06,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:06,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:18:06,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:06,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 18:18:06,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:06,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:18:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:06,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:06,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:06,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:18:06,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:06,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:18:06,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:06,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:18:06,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:06,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:18:06,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:06,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:18:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:06,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:06,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:06,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:06,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 18:18:06,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:18:06,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-12 18:18:06,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:06,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:18:06,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:06,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 18:18:06,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:06,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:18:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:06,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:06,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:06,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:18:06,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:06,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:18:06,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:06,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:18:06,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:06,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:18:06,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:06,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:18:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:06,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:06,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:06,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:18:06,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:06,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:18:06,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:06,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:18:06,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:06,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:18:06,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:06,576 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-12 18:18:06,577 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1181526813] [2020-10-12 18:18:06,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:18:06,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 18:18:06,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192966252] [2020-10-12 18:18:06,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 18:18:06,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:18:06,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 18:18:06,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-12 18:18:06,579 INFO L87 Difference]: Start difference. First operand 38 states and 64 transitions. Second operand 12 states. [2020-10-12 18:18:06,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:18:06,647 INFO L93 Difference]: Finished difference Result 60 states and 113 transitions. [2020-10-12 18:18:06,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 18:18:06,648 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 40 [2020-10-12 18:18:06,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:18:06,649 INFO L225 Difference]: With dead ends: 60 [2020-10-12 18:18:06,650 INFO L226 Difference]: Without dead ends: 56 [2020-10-12 18:18:06,650 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-12 18:18:06,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-12 18:18:06,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 43. [2020-10-12 18:18:06,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-12 18:18:06,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 80 transitions. [2020-10-12 18:18:06,660 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 80 transitions. Word has length 40 [2020-10-12 18:18:06,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:18:06,661 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 80 transitions. [2020-10-12 18:18:06,661 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 18:18:06,661 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 80 transitions. [2020-10-12 18:18:06,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-12 18:18:06,662 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:18:06,662 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] [2020-10-12 18:18:06,662 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 18:18:06,663 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:18:06,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:18:06,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1705155691, now seen corresponding path program 7 times [2020-10-12 18:18:06,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:18:06,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [955979154] [2020-10-12 18:18:06,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:18:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:06,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:06,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:06,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:06,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:06,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:06,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:06,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:06,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:06,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:07,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:09,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:09,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 18:18:09,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 18:18:09,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3191 [2020-10-12 18:18:09,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:09,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:18:09,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-12 18:18:09,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 18:18:09,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:09,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:18:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:09,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:09,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:09,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:18:09,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:09,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:18:09,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:09,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:18:09,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:09,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:18:09,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:09,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:18:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:09,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:09,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:09,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:09,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:09,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:09,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:10,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:10,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:10,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:18:10,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 18:18:10,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 468 [2020-10-12 18:18:10,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:10,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:18:10,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:10,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 18:18:10,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:10,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:18:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:10,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:10,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:10,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:18:10,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:10,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:18:10,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:10,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:18:10,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:10,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:18:10,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:10,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:18:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:10,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:10,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:10,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:10,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:10,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:10,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:18:10,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 18:18:10,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-12 18:18:10,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:10,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:18:10,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:10,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 18:18:10,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:10,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:18:10,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:10,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:10,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:10,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:18:10,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:10,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:18:10,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:10,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:18:10,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:10,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:18:10,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:10,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:18:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:10,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:10,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:10,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:18:10,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:10,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:18:10,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:10,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:18:10,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:10,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:18:10,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:10,593 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-10-12 18:18:10,593 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [955979154] [2020-10-12 18:18:10,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:18:10,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 18:18:10,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202587282] [2020-10-12 18:18:10,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 18:18:10,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:18:10,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 18:18:10,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-12 18:18:10,596 INFO L87 Difference]: Start difference. First operand 43 states and 80 transitions. Second operand 12 states. [2020-10-12 18:18:10,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:18:10,683 INFO L93 Difference]: Finished difference Result 70 states and 144 transitions. [2020-10-12 18:18:10,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 18:18:10,684 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 41 [2020-10-12 18:18:10,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:18:10,685 INFO L225 Difference]: With dead ends: 70 [2020-10-12 18:18:10,685 INFO L226 Difference]: Without dead ends: 66 [2020-10-12 18:18:10,686 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2020-10-12 18:18:10,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-10-12 18:18:10,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 48. [2020-10-12 18:18:10,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-12 18:18:10,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 98 transitions. [2020-10-12 18:18:10,698 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 98 transitions. Word has length 41 [2020-10-12 18:18:10,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:18:10,699 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 98 transitions. [2020-10-12 18:18:10,699 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 18:18:10,699 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 98 transitions. [2020-10-12 18:18:10,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-12 18:18:10,700 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:18:10,701 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:18:10,701 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 18:18:10,701 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:18:10,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:18:10,701 INFO L82 PathProgramCache]: Analyzing trace with hash -1426163185, now seen corresponding path program 1 times [2020-10-12 18:18:10,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:18:10,702 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [413358468] [2020-10-12 18:18:10,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:18:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:10,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:10,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:10,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:10,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:10,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:10,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:10,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:10,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:11,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:11,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:11,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:13,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:13,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 18:18:13,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-12 18:18:13,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2673 [2020-10-12 18:18:13,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:13,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:18:13,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-12 18:18:13,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 18:18:13,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:13,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:18:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:13,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:13,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:13,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:18:13,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:13,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:18:13,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:13,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:18:13,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:13,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:18:13,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:13,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:18:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:13,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:13,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:13,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:13,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:13,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:13,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:13,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:13,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:13,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:13,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 18:18:13,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 18:18:13,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 521 [2020-10-12 18:18:13,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:13,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:18:13,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:13,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 18:18:13,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:13,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:18:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:13,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:13,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:13,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:18:13,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:13,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:18:13,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:13,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:18:13,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:13,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:18:13,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:13,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:18:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:13,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:13,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:13,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:14,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:14,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 18:18:14,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:18:14,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-12 18:18:14,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:14,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:18:14,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:14,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:18:14,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:14,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:18:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:14,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:14,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:14,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:18:14,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:14,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:18:14,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:14,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:18:14,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:14,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:18:14,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:14,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:18:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:14,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:14,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:14,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:18:14,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:14,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:18:14,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:14,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:18:14,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:14,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:18:14,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:14,106 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-12 18:18:14,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [413358468] [2020-10-12 18:18:14,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:18:14,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 18:18:14,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502171911] [2020-10-12 18:18:14,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 18:18:14,108 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:18:14,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 18:18:14,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-12 18:18:14,109 INFO L87 Difference]: Start difference. First operand 48 states and 98 transitions. Second operand 12 states. [2020-10-12 18:18:14,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:18:14,219 INFO L93 Difference]: Finished difference Result 73 states and 153 transitions. [2020-10-12 18:18:14,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 18:18:14,220 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 42 [2020-10-12 18:18:14,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:18:14,221 INFO L225 Difference]: With dead ends: 73 [2020-10-12 18:18:14,221 INFO L226 Difference]: Without dead ends: 69 [2020-10-12 18:18:14,222 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-12 18:18:14,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-12 18:18:14,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 51. [2020-10-12 18:18:14,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-12 18:18:14,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 107 transitions. [2020-10-12 18:18:14,233 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 107 transitions. Word has length 42 [2020-10-12 18:18:14,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:18:14,234 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 107 transitions. [2020-10-12 18:18:14,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 18:18:14,234 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 107 transitions. [2020-10-12 18:18:14,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-12 18:18:14,235 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:18:14,236 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:18:14,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 18:18:14,236 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:18:14,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:18:14,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1123642284, now seen corresponding path program 8 times [2020-10-12 18:18:14,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:18:14,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [379983104] [2020-10-12 18:18:14,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:18:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:14,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:14,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:14,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:14,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:14,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:14,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:14,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:14,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:14,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:14,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:14,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:14,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:16,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:19,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:19,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-12 18:18:19,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-12 18:18:19,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 18:18:19,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:19,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 18:18:19,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-12 18:18:19,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-12 18:18:19,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:19,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:18:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:19,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:19,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:19,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:18:19,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:19,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:18:19,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:19,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:18:19,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:19,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:18:19,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:19,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:18:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:19,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:19,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:19,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:19,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:19,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:19,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:19,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:19,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:19,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:20,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:20,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-12 18:18:20,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 18:18:20,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1518 [2020-10-12 18:18:20,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:20,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:18:20,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:20,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-12 18:18:20,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:20,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:18:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:20,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:20,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:20,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:18:20,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:20,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:18:20,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:20,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:18:20,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:20,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:18:20,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:20,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:18:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:20,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:20,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:20,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:20,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:20,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:21,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:21,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-12 18:18:21,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:18:21,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 277 [2020-10-12 18:18:21,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:21,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:18:21,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:21,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 18:18:21,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:21,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:18:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:21,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:21,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:21,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:18:21,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:21,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:18:21,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:21,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:18:21,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:21,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 18:18:21,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:21,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:18:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:21,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:21,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:21,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:18:21,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:21,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 18:18:21,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:21,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:18:21,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:21,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 18:18:21,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:21,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:18:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:21,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:21,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:21,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:18:21,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:21,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:18:21,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:21,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:18:21,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:21,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:18:21,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:21,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:18:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:21,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:21,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:21,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:18:21,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:21,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:18:21,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:21,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:18:21,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:21,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:18:21,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:21,216 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 8 proven. 34 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-10-12 18:18:21,217 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [379983104] [2020-10-12 18:18:21,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:18:21,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 18:18:21,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371560021] [2020-10-12 18:18:21,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 18:18:21,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:18:21,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 18:18:21,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-12 18:18:21,219 INFO L87 Difference]: Start difference. First operand 51 states and 107 transitions. Second operand 13 states. [2020-10-12 18:18:21,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:18:21,342 INFO L93 Difference]: Finished difference Result 87 states and 210 transitions. [2020-10-12 18:18:21,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 18:18:21,344 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 54 [2020-10-12 18:18:21,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:18:21,347 INFO L225 Difference]: With dead ends: 87 [2020-10-12 18:18:21,347 INFO L226 Difference]: Without dead ends: 83 [2020-10-12 18:18:21,348 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2020-10-12 18:18:21,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-12 18:18:21,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 51. [2020-10-12 18:18:21,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-12 18:18:21,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 107 transitions. [2020-10-12 18:18:21,377 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 107 transitions. Word has length 54 [2020-10-12 18:18:21,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:18:21,378 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 107 transitions. [2020-10-12 18:18:21,378 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 18:18:21,378 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 107 transitions. [2020-10-12 18:18:21,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-12 18:18:21,379 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:18:21,380 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] [2020-10-12 18:18:21,380 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 18:18:21,380 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:18:21,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:18:21,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1762062488, now seen corresponding path program 9 times [2020-10-12 18:18:21,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:18:21,381 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1001375171] [2020-10-12 18:18:21,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:18:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:21,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:21,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:21,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:21,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:21,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:21,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:21,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:21,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:21,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:21,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:21,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:21,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:21,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:21,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:21,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:22,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:22,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:23,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:26,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:26,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 18:18:26,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-12 18:18:26,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 18:18:26,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:26,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 18:18:26,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 18:18:26,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:18:26,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:26,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:18:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:26,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:26,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:26,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:18:26,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:26,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:18:26,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:26,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:18:26,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:26,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:18:26,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:26,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:18:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:26,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:26,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:26,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:26,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:26,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:26,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:26,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:26,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:26,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:26,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:26,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:26,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:26,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:26,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:29,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:29,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:18:29,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-12 18:18:29,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3205 [2020-10-12 18:18:29,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:29,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 18:18:29,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 18:18:29,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 18:18:29,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:29,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:18:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:29,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:29,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:29,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:18:29,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:29,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:18:29,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:29,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:18:29,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:29,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:18:29,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:29,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:18:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:29,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:29,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:29,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:29,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:29,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:29,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:29,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:29,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:29,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:29,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:29,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:29,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:29,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:29,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:30,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:30,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:18:30,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-12 18:18:30,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 871 [2020-10-12 18:18:30,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:30,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:18:30,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:18:30,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 18:18:30,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:30,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:18:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:30,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:30,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:30,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:18:30,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:30,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:18:30,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:30,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:18:30,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:30,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:18:30,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:30,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:18:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:30,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:30,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:30,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:30,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:30,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:30,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 18:18:30,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 18:18:30,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-12 18:18:30,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:30,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:18:30,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:30,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 18:18:30,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:30,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:18:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:30,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:30,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:30,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:18:30,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:30,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:18:30,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:30,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:18:30,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:30,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:18:30,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:30,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:18:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:30,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:30,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:30,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:30,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:18:30,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:18:30,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:18:30,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:30,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:18:30,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:30,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:18:30,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:30,624 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 47 proven. 30 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-12 18:18:30,624 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1001375171] [2020-10-12 18:18:30,625 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:18:30,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-12 18:18:30,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451543767] [2020-10-12 18:18:30,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 18:18:30,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:18:30,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 18:18:30,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-12 18:18:30,626 INFO L87 Difference]: Start difference. First operand 51 states and 107 transitions. Second operand 9 states. [2020-10-12 18:18:30,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:18:30,938 INFO L93 Difference]: Finished difference Result 119 states and 362 transitions. [2020-10-12 18:18:30,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 18:18:30,939 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 55 [2020-10-12 18:18:30,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:18:30,941 INFO L225 Difference]: With dead ends: 119 [2020-10-12 18:18:30,941 INFO L226 Difference]: Without dead ends: 73 [2020-10-12 18:18:30,946 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-10-12 18:18:30,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-12 18:18:30,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 67. [2020-10-12 18:18:30,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-10-12 18:18:30,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 139 transitions. [2020-10-12 18:18:30,959 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 139 transitions. Word has length 55 [2020-10-12 18:18:30,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:18:30,959 INFO L479 AbstractCegarLoop]: Abstraction has 67 states and 139 transitions. [2020-10-12 18:18:30,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 18:18:30,959 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 139 transitions. [2020-10-12 18:18:30,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-12 18:18:30,961 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:18:30,961 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:18:30,962 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 18:18:30,962 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:18:30,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:18:30,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1835778543, now seen corresponding path program 10 times [2020-10-12 18:18:30,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:18:30,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [625239226] [2020-10-12 18:18:30,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:18:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:30,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:30,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:30,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:30,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:31,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:31,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:31,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:31,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:31,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:32,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:35,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:35,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 18:18:35,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 18:18:35,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 18:18:35,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:35,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 18:18:35,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 18:18:35,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 18:18:35,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:35,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:18:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:35,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:35,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:35,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:18:35,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:35,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:18:35,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:35,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:18:35,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:35,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:18:35,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:35,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:18:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:35,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:35,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:35,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:36,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:36,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:36,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:36,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:36,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:36,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:36,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:36,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:36,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:36,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:36,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:36,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:37,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:37,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:37,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:40,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:40,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-12 18:18:40,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-12 18:18:40,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 18:18:40,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:40,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 18:18:40,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 18:18:40,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 18:18:40,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:41,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:18:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:41,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:41,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:41,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:41,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:41,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:41,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 18:18:41,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 18:18:41,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-12 18:18:41,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:41,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:18:41,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:18:41,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 18:18:41,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:41,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:18:41,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:41,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:41,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:41,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:18:41,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:41,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 18:18:41,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:41,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:18:41,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:41,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:18:41,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:41,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:18:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:41,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:41,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:41,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:18:41,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:41,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:18:41,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:41,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:18:41,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:41,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:18:41,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:41,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 18:18:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:41,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:41,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:41,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:41,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:41,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:41,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:41,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-12 18:18:41,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:18:41,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 403 [2020-10-12 18:18:41,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:41,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 18:18:41,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:18:41,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 18:18:41,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:41,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:18:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:41,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:41,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:41,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:41,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-12 18:18:41,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:18:41,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 18:18:41,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:41,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:18:41,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:41,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 18:18:41,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:41,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:18:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:41,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:41,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:41,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:18:41,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:41,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:18:41,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:41,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:18:41,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:41,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:18:41,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:41,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 18:18:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:41,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:41,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:41,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:18:41,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:41,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:18:41,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:41,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:18:41,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:41,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:18:41,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:41,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 18:18:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:41,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:41,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:41,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:18:41,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:41,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:18:41,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:41,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:18:41,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:41,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:18:41,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:41,684 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 51 proven. 46 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-12 18:18:41,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [625239226] [2020-10-12 18:18:41,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:18:41,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-12 18:18:41,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500312614] [2020-10-12 18:18:41,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 18:18:41,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:18:41,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 18:18:41,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-12 18:18:41,687 INFO L87 Difference]: Start difference. First operand 67 states and 139 transitions. Second operand 11 states. [2020-10-12 18:18:41,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:18:41,797 INFO L93 Difference]: Finished difference Result 109 states and 248 transitions. [2020-10-12 18:18:41,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 18:18:41,797 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 66 [2020-10-12 18:18:41,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:18:41,799 INFO L225 Difference]: With dead ends: 109 [2020-10-12 18:18:41,799 INFO L226 Difference]: Without dead ends: 48 [2020-10-12 18:18:41,802 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2020-10-12 18:18:41,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-12 18:18:41,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-10-12 18:18:41,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-12 18:18:41,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 73 transitions. [2020-10-12 18:18:41,820 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 73 transitions. Word has length 66 [2020-10-12 18:18:41,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:18:41,820 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 73 transitions. [2020-10-12 18:18:41,820 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 18:18:41,821 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2020-10-12 18:18:41,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-12 18:18:41,822 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:18:41,822 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] [2020-10-12 18:18:41,825 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 18:18:41,825 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:18:41,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:18:41,825 INFO L82 PathProgramCache]: Analyzing trace with hash 653994407, now seen corresponding path program 11 times [2020-10-12 18:18:41,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:18:41,826 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [468325833] [2020-10-12 18:18:41,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:18:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:41,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:41,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:41,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:41,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:41,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:41,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:41,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:42,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:42,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:42,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:44,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:46,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:46,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-12 18:18:46,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-12 18:18:46,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 18:18:46,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:46,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:18:46,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 18:18:46,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 18:18:46,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:46,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:18:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:46,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:46,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:46,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:18:46,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:46,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:18:46,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:46,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:18:46,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:46,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:18:46,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:46,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:18:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:46,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:46,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:46,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:46,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:46,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:46,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:46,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:47,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:47,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:47,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:47,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:47,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:47,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:48,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:48,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:51,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:51,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:18:51,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-12 18:18:51,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 18:18:51,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:51,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:18:51,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 18:18:51,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:18:51,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:51,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:18:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:51,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:51,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:51,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:51,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:18:51,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:18:51,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-12 18:18:51,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:51,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 18:18:51,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:51,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:18:51,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:51,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:18:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:51,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:51,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:51,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:18:51,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:51,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:18:51,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:51,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:18:51,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:51,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:18:51,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:51,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:18:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:51,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:51,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:51,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:18:51,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:51,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:18:51,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:51,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:18:51,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:51,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:18:51,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:51,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:18:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:51,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:51,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:51,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:51,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:51,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:52,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:52,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:52,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:18:52,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:18:52,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 464 [2020-10-12 18:18:52,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:52,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:18:52,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:18:52,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 18:18:52,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:52,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:18:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:52,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:52,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:52,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:52,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:52,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:18:52,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:18:52,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-12 18:18:52,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:52,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:18:52,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:52,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:18:52,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:52,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:18:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:52,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:52,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:52,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:52,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:18:52,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:18:52,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:18:52,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:52,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:18:52,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:52,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:18:52,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:52,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:18:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:52,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:52,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:52,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:18:52,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:52,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:18:52,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:52,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:18:52,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:52,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:18:52,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:52,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:18:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:52,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:52,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:52,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:18:52,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:52,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:18:52,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:52,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:18:52,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:52,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:18:52,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:52,549 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 68 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-10-12 18:18:52,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [468325833] [2020-10-12 18:18:52,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:18:52,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-12 18:18:52,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757706846] [2020-10-12 18:18:52,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 18:18:52,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:18:52,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 18:18:52,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-12 18:18:52,551 INFO L87 Difference]: Start difference. First operand 48 states and 73 transitions. Second operand 11 states. [2020-10-12 18:18:52,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:18:52,739 INFO L93 Difference]: Finished difference Result 98 states and 166 transitions. [2020-10-12 18:18:52,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 18:18:52,739 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 68 [2020-10-12 18:18:52,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:18:52,740 INFO L225 Difference]: With dead ends: 98 [2020-10-12 18:18:52,740 INFO L226 Difference]: Without dead ends: 56 [2020-10-12 18:18:52,741 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2020-10-12 18:18:52,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-12 18:18:52,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 49. [2020-10-12 18:18:52,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-12 18:18:52,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 65 transitions. [2020-10-12 18:18:52,746 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 65 transitions. Word has length 68 [2020-10-12 18:18:52,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:18:52,746 INFO L479 AbstractCegarLoop]: Abstraction has 49 states and 65 transitions. [2020-10-12 18:18:52,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 18:18:52,747 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2020-10-12 18:18:52,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-12 18:18:52,747 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:18:52,747 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] [2020-10-12 18:18:52,748 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 18:18:52,748 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:18:52,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:18:52,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1587771422, now seen corresponding path program 12 times [2020-10-12 18:18:52,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:18:52,749 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1299533190] [2020-10-12 18:18:52,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:18:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:52,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:52,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:52,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:52,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:52,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:52,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:52,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:52,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:53,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:53,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:57,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:57,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 18:18:57,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 18:18:57,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 18:18:57,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:57,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 18:18:57,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-12 18:18:57,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 18:18:57,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:57,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:18:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:57,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:57,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:57,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:18:57,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:57,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:18:57,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:57,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:18:57,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:57,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:18:57,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:57,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:18:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:57,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:57,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:57,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:57,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:57,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:58,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:58,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:58,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:18:58,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:18:58,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 996 [2020-10-12 18:18:58,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:58,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:18:58,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:58,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-12 18:18:58,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:58,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:18:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:58,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:58,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:58,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:18:58,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:58,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 18:18:58,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:58,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:18:58,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:58,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 18:18:58,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:58,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:18:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:58,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:58,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:58,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:18:58,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:58,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 18:18:58,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:58,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:18:58,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:58,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 18:18:58,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:58,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:18:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:58,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:58,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:58,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:18:58,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:58,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:18:58,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:58,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 18:18:58,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:58,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:18:58,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:58,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:18:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:58,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:58,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:58,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:18:58,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:58,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:18:58,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:58,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:18:58,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:58,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:18:58,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:58,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:18:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:58,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:58,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:58,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:18:58,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:58,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:18:58,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:58,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:18:58,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:58,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:18:58,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:58,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:18:58,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:58,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:58,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:18:58,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:18:58,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:18:58,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:18:58,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:18:58,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 18:18:58,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:18:58,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:18:58,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:18:58,951 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 8 proven. 35 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-12 18:18:58,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1299533190] [2020-10-12 18:18:58,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:18:58,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-12 18:18:58,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647346639] [2020-10-12 18:18:58,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 18:18:58,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:18:58,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 18:18:58,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-10-12 18:18:58,953 INFO L87 Difference]: Start difference. First operand 49 states and 65 transitions. Second operand 14 states. [2020-10-12 18:18:59,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:18:59,048 INFO L93 Difference]: Finished difference Result 62 states and 92 transitions. [2020-10-12 18:18:59,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 18:18:59,049 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 55 [2020-10-12 18:18:59,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:18:59,050 INFO L225 Difference]: With dead ends: 62 [2020-10-12 18:18:59,050 INFO L226 Difference]: Without dead ends: 58 [2020-10-12 18:18:59,051 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2020-10-12 18:18:59,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-10-12 18:18:59,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57. [2020-10-12 18:18:59,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-12 18:18:59,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 86 transitions. [2020-10-12 18:18:59,063 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 86 transitions. Word has length 55 [2020-10-12 18:18:59,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:18:59,063 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 86 transitions. [2020-10-12 18:18:59,063 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 18:18:59,064 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 86 transitions. [2020-10-12 18:18:59,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-12 18:18:59,068 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:18:59,069 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 11, 6, 6, 6, 6, 6, 6, 6, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:18:59,069 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 18:18:59,069 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:18:59,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:18:59,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1474757101, now seen corresponding path program 13 times [2020-10-12 18:18:59,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:18:59,070 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1598472032] [2020-10-12 18:18:59,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:18:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:18:59,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:59,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:59,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:59,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:59,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:59,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:18:59,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:00,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:00,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:00,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:00,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:00,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:00,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:00,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:00,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:00,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:00,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:00,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:03,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:03,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:03,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:03,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:03,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:04,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:04,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:04,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-12 18:19:04,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-12 18:19:04,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 18:19:04,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:04,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 18:19:04,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 18:19:04,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-12 18:19:04,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:04,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:19:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:04,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:04,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:04,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:19:04,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:04,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:19:04,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:04,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:19:04,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:04,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:19:04,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:04,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:19:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:04,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:04,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:04,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:04,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:04,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:04,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:04,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:04,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:05,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:05,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:05,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:05,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:05,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:05,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:05,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:05,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:05,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:05,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:05,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:05,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:05,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:07,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:07,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:07,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:07,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:07,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:07,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:07,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:07,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:07,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:08,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:09,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:09,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-12 18:19:09,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 31 [2020-10-12 18:19:09,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-12 18:19:09,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:09,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 18:19:09,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 18:19:09,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-12 18:19:09,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:09,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:19:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:09,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:09,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:09,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:09,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:09,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:19:09,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:19:09,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 263 [2020-10-12 18:19:09,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:09,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 18:19:09,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:09,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:19:09,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:09,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:19:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:09,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:09,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:09,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:09,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:19:09,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:19:09,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-12 18:19:09,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:09,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:19:09,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:09,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:19:09,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:09,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:19:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:09,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:09,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:09,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:19:09,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:09,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:19:09,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:09,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:19:09,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:09,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:19:09,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:09,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:19:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:09,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:09,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:09,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:19:09,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:09,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:19:09,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:09,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:19:09,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:09,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:19:09,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:09,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:19:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:09,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:09,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:09,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:19:09,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:09,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:19:09,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:09,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:19:09,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:09,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:19:09,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:09,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:19:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:09,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:09,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:09,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:09,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:09,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:09,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:09,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:09,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:09,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:09,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:09,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:09,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:09,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:09,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:13,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:13,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 18:19:13,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-12 18:19:13,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3799 [2020-10-12 18:19:13,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:13,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 18:19:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:19:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-12 18:19:13,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:13,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:19:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:13,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:13,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:13,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:13,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:13,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:13,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:14,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:14,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:19:14,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:19:14,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 692 [2020-10-12 18:19:14,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:14,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:19:14,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:14,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:19:14,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:14,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:19:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:14,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:14,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:14,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:14,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:14,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:19:14,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:19:14,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-12 18:19:14,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:14,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:19:14,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:14,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:19:14,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:14,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:19:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:14,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:14,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:14,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:14,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:19:14,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:19:14,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:19:14,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:14,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:19:14,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:14,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:19:14,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:14,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:19:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:14,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:14,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:14,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:19:14,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:14,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:19:14,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:14,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:19:14,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:14,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:19:14,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:14,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:19:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:14,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:14,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:14,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:19:14,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:14,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:19:14,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:14,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:19:14,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:14,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:19:14,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:14,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:19:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:14,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:14,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:14,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:19:14,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:14,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:19:14,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:14,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:19:14,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:14,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:19:14,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:14,173 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 125 proven. 174 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2020-10-12 18:19:14,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1598472032] [2020-10-12 18:19:14,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:19:14,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-12 18:19:14,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276515784] [2020-10-12 18:19:14,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 18:19:14,175 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:19:14,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 18:19:14,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-10-12 18:19:14,176 INFO L87 Difference]: Start difference. First operand 57 states and 86 transitions. Second operand 14 states. [2020-10-12 18:19:14,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:19:14,518 INFO L93 Difference]: Finished difference Result 117 states and 200 transitions. [2020-10-12 18:19:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 18:19:14,520 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 96 [2020-10-12 18:19:14,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:19:14,521 INFO L225 Difference]: With dead ends: 117 [2020-10-12 18:19:14,521 INFO L226 Difference]: Without dead ends: 66 [2020-10-12 18:19:14,525 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2020-10-12 18:19:14,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-10-12 18:19:14,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 61. [2020-10-12 18:19:14,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-10-12 18:19:14,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 81 transitions. [2020-10-12 18:19:14,536 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 81 transitions. Word has length 96 [2020-10-12 18:19:14,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:19:14,537 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 81 transitions. [2020-10-12 18:19:14,537 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 18:19:14,537 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2020-10-12 18:19:14,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-12 18:19:14,538 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:19:14,538 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] [2020-10-12 18:19:14,538 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-12 18:19:14,539 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:19:14,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:19:14,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1040445716, now seen corresponding path program 14 times [2020-10-12 18:19:14,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:19:14,541 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1524175273] [2020-10-12 18:19:14,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:19:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:14,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:14,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:14,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:14,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:14,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:14,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:15,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:15,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:15,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:15,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:15,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:15,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:15,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:15,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:15,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:15,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:15,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:16,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:16,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:16,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:16,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:19,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:19,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-12 18:19:19,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-12 18:19:19,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 18:19:19,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:19,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:19:19,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 18:19:19,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-12 18:19:19,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:19,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:19:19,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:19,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:19,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:19,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:19:19,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:19,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:19:19,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:19,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:19:19,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:19,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:19:19,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:19,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:19:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:19,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:19,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:19,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:19,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:19,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:19,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:19,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:20,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:21,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:21,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:21,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:21,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:21,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:21,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:22,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:24,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:24,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:24,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:24,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-12 18:19:24,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-12 18:19:24,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-12 18:19:24,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:24,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:19:24,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 18:19:24,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-12 18:19:24,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:24,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:19:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:24,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:24,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:24,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:24,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:24,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:24,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:24,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:25,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:25,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:25,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:25,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:25,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:25,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:29,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:29,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:19:29,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-12 18:19:29,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 18:19:29,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:29,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 18:19:29,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:29,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 18:19:29,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:29,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:19:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:29,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:29,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:29,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:29,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:29,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:29,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:30,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:30,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:19:30,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:19:30,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 451 [2020-10-12 18:19:30,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:30,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:19:30,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:30,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:19:30,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:30,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:19:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:30,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:30,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:30,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:30,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:19:30,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:19:30,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 18:19:30,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:30,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:19:30,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:30,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:19:30,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:30,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:19:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:30,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:30,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:30,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:19:30,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:30,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:19:30,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:30,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:19:30,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:30,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:19:30,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:30,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:19:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:30,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:30,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:30,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:19:30,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:30,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:19:30,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:30,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:19:30,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:30,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:19:30,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:30,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:19:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:30,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:30,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:30,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:30,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:19:30,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:19:30,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 18:19:30,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:30,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:19:30,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:30,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:19:30,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:30,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:19:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:30,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:30,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:30,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:30,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:30,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:19:30,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:19:30,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 18:19:30,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:30,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:19:30,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:30,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:19:30,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:30,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:19:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:30,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:30,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:30,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:30,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:19:30,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:19:30,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:19:30,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:30,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:19:30,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:30,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:19:30,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:30,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:19:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:30,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:30,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:30,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:19:30,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:30,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:19:30,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:30,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:19:30,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:30,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:19:30,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:30,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 18:19:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:30,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:30,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:30,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:30,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:30,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:30,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:30,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:30,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:33,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:33,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:19:33,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 18:19:33,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2957 [2020-10-12 18:19:33,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:33,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 18:19:33,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:19:33,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 18:19:33,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:33,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:19:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:33,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:33,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:33,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:33,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:33,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:33,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:34,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:34,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:19:34,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:19:34,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 630 [2020-10-12 18:19:34,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:34,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:19:34,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:34,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:19:34,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:34,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:19:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:34,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:34,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:34,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:34,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:34,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:19:34,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:19:34,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-12 18:19:34,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:34,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:19:34,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:34,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:19:34,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:34,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:19:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:34,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:34,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:34,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:19:34,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:34,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:19:34,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:34,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:19:34,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:34,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:19:34,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:34,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:19:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:34,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:34,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:34,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:19:34,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:34,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:19:34,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:34,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:19:34,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:34,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:19:34,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:34,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:19:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:34,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:34,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:34,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:19:34,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:34,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:19:34,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:34,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:19:34,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:34,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:19:34,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:34,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:19:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:34,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:34,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:34,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:19:34,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:34,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:19:34,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:34,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:19:34,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:34,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 18:19:34,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:34,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:19:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:34,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:34,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:34,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:19:34,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:34,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:19:34,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:34,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:19:34,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:34,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:19:34,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:34,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:19:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:34,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:34,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:34,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:19:34,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:34,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:19:34,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:34,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:19:34,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:34,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:19:34,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:34,335 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 207 proven. 444 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2020-10-12 18:19:34,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1524175273] [2020-10-12 18:19:34,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:19:34,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 18:19:34,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716841220] [2020-10-12 18:19:34,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 18:19:34,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:19:34,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 18:19:34,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=411, Unknown=0, NotChecked=0, Total=506 [2020-10-12 18:19:34,338 INFO L87 Difference]: Start difference. First operand 61 states and 81 transitions. Second operand 23 states. [2020-10-12 18:19:34,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:19:34,770 INFO L93 Difference]: Finished difference Result 122 states and 181 transitions. [2020-10-12 18:19:34,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-12 18:19:34,771 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 136 [2020-10-12 18:19:34,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:19:34,772 INFO L225 Difference]: With dead ends: 122 [2020-10-12 18:19:34,772 INFO L226 Difference]: Without dead ends: 69 [2020-10-12 18:19:34,773 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 36 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=206, Invalid=724, Unknown=0, NotChecked=0, Total=930 [2020-10-12 18:19:34,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-12 18:19:34,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 59. [2020-10-12 18:19:34,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-12 18:19:34,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions. [2020-10-12 18:19:34,779 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 73 transitions. Word has length 136 [2020-10-12 18:19:34,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:19:34,780 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 73 transitions. [2020-10-12 18:19:34,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 18:19:34,780 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2020-10-12 18:19:34,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-12 18:19:34,781 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:19:34,781 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] [2020-10-12 18:19:34,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-12 18:19:34,782 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:19:34,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:19:34,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1200034344, now seen corresponding path program 15 times [2020-10-12 18:19:34,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:19:34,783 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1492978182] [2020-10-12 18:19:34,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:19:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:34,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:34,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:34,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:34,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:34,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:39,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:39,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:39,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:39,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-12 18:19:39,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 18:19:39,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 18:19:39,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:39,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:19:39,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 18:19:39,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-12 18:19:39,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:39,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:19:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:39,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:39,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:39,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:19:39,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:39,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:19:39,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:39,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:19:39,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:39,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:19:39,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:39,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:19:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:39,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:39,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:39,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:39,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:39,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:44,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:44,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:44,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:44,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 18:19:44,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 18:19:44,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 18:19:44,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:44,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:19:44,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:19:44,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-12 18:19:44,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:44,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:19:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:44,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:44,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:44,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:44,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:45,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:49,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:49,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:19:49,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:19:49,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 18:19:49,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:49,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:19:49,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:49,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 18:19:49,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:49,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:19:49,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:49,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:49,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:49,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:50,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:50,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:19:50,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:19:50,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-10-12 18:19:50,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:50,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:19:50,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:50,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:19:50,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:50,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:19:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:50,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:50,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:50,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:50,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:19:50,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:19:50,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 18:19:50,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:50,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:19:50,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:50,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:19:50,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:50,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:19:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:50,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:50,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:50,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:19:50,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:50,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:19:50,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:50,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:19:50,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:50,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:19:50,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:50,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:19:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:50,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:50,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:50,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:19:50,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:50,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:19:50,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:50,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:19:50,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:50,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:19:50,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:50,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:19:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:50,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:50,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:50,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:19:50,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:50,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:19:50,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:50,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:19:50,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:50,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:19:50,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:50,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:19:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:50,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:50,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:50,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:19:50,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:50,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:19:50,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:50,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:19:50,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:50,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 18:19:50,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:50,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:19:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:50,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:50,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:50,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:19:50,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:50,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:19:50,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:50,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:19:50,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:50,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:19:50,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:50,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:19:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:50,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:50,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:50,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:19:50,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:50,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:19:50,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:50,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:19:50,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:50,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:19:50,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:50,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 18:19:50,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:50,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:50,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:50,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:19:50,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:50,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 18:19:50,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:50,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:19:50,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:50,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 18:19:50,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:50,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:19:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:50,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:50,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:50,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:19:50,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:50,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 18:19:50,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:50,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:19:50,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:50,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:19:50,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:50,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:19:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:50,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:50,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:50,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:19:50,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:50,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:19:50,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:50,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:19:50,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:50,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:19:50,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:19:50,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:19:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:50,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:50,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:50,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:19:50,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:50,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:19:50,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:50,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:19:50,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:50,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:19:50,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:50,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:19:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:50,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:50,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:50,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:19:50,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:50,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:19:50,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:50,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:19:50,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:50,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:19:50,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:50,309 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 51 proven. 235 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2020-10-12 18:19:50,310 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1492978182] [2020-10-12 18:19:50,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:19:50,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-12 18:19:50,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178521714] [2020-10-12 18:19:50,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 18:19:50,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:19:50,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 18:19:50,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-10-12 18:19:50,312 INFO L87 Difference]: Start difference. First operand 59 states and 73 transitions. Second operand 11 states. [2020-10-12 18:19:50,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:19:50,495 INFO L93 Difference]: Finished difference Result 77 states and 95 transitions. [2020-10-12 18:19:50,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 18:19:50,496 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 109 [2020-10-12 18:19:50,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:19:50,498 INFO L225 Difference]: With dead ends: 77 [2020-10-12 18:19:50,498 INFO L226 Difference]: Without dead ends: 73 [2020-10-12 18:19:50,499 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2020-10-12 18:19:50,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-12 18:19:50,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 62. [2020-10-12 18:19:50,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-12 18:19:50,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2020-10-12 18:19:50,504 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 78 transitions. Word has length 109 [2020-10-12 18:19:50,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:19:50,505 INFO L479 AbstractCegarLoop]: Abstraction has 62 states and 78 transitions. [2020-10-12 18:19:50,505 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 18:19:50,505 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2020-10-12 18:19:50,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-12 18:19:50,509 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:19:50,509 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] [2020-10-12 18:19:50,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-12 18:19:50,509 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:19:50,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:19:50,510 INFO L82 PathProgramCache]: Analyzing trace with hash 706081956, now seen corresponding path program 16 times [2020-10-12 18:19:50,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:19:50,511 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1784029392] [2020-10-12 18:19:50,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:19:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:50,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:50,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:50,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:50,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:51,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:51,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:55,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:55,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 286 [2020-10-12 18:19:55,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:19:55,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 18:19:55,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:55,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 18:19:55,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 18:19:55,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-12 18:19:55,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:55,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:19:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:55,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:55,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:19:55,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:19:55,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:19:55,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:19:55,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:19:55,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:19:55,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:19:55,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:19:55,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:19:55,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:19:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:19:55,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:55,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:55,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:55,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:55,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:55,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:55,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:55,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:55,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:55,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:56,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:56,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:56,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:57,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:57,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:57,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:19:58,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:00,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:00,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-12 18:20:00,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-12 18:20:00,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-12 18:20:00,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:00,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-12 18:20:00,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 18:20:00,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-10-12 18:20:00,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:00,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:20:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:00,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:00,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:00,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:00,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:00,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:00,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:00,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:00,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:02,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:02,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:02,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:02,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:02,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:02,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:04,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:04,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:05,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:05,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:05,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:05,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 18:20:05,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-12 18:20:05,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 18:20:05,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:05,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-12 18:20:05,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:05,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-12 18:20:05,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:05,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:20:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:05,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:05,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:05,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:05,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:05,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:05,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:05,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:05,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:05,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:06,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:06,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:06,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:06,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:10,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:10,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:20:10,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-12 18:20:10,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 18:20:10,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:10,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 18:20:10,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:10,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 18:20:10,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:10,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:20:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:10,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:10,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:10,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:11,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:11,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:20:11,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:20:11,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-10-12 18:20:11,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:11,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:20:11,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:11,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:20:11,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:11,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:20:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:11,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:11,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:11,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:11,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:20:11,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:20:11,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 18:20:11,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:11,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:20:11,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:11,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:20:11,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:11,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:20:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:11,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:11,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:11,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:20:11,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:11,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:20:11,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:11,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:20:11,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:11,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:20:11,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:11,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:20:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:11,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:11,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:11,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:20:11,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:11,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:20:11,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:11,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:20:11,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:11,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:20:11,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:11,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:20:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:11,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:11,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:11,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:20:11,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:11,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:20:11,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:11,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:20:11,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:11,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:20:11,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:11,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:20:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:11,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:11,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:11,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:11,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:11,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:20:11,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:20:11,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-12 18:20:11,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:11,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:20:11,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:11,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:20:11,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:11,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:20:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:11,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:11,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:11,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:11,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:20:11,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:20:11,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:20:11,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:11,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:20:11,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:11,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:20:11,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:11,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:20:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:11,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:11,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:11,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:20:11,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:11,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:20:11,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:11,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:20:11,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:11,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:20:11,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:11,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 18:20:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:11,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:11,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:11,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:11,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:11,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:11,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:11,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:11,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:20:11,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:20:11,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 465 [2020-10-12 18:20:11,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:11,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:20:11,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:11,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:20:11,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:11,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:20:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:11,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:11,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:11,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:11,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:11,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:20:11,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:20:11,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 18:20:11,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:11,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:20:11,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:11,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:20:11,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:11,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:20:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:11,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:11,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:11,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:11,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:20:11,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:20:11,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:20:11,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:11,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:20:11,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:11,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:20:11,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:11,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:20:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:11,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:11,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:11,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:20:11,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:11,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:20:11,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:11,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:20:11,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:11,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:20:11,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:11,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:20:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:11,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:11,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:11,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:20:11,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:11,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:20:11,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:11,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:20:11,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:11,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:20:11,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:11,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 18:20:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:11,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:11,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:11,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:11,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:11,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:12,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:12,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:12,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:12,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:12,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:12,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:12,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:12,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:12,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:12,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:12,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:13,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:13,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:14,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:16,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:16,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 18:20:16,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-12 18:20:16,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 18:20:16,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:16,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:20:16,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:20:16,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-12 18:20:16,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:16,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:20:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:16,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:16,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:17,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:17,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:17,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:17,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:17,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:17,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:18,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:18,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:21,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:21,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:20:21,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 18:20:21,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 18:20:21,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:21,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:20:21,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:21,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 18:20:21,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:22,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:20:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:22,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:22,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:22,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:22,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:22,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:22,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:22,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:22,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:20:22,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:20:22,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 724 [2020-10-12 18:20:22,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:22,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:20:22,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:22,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:20:22,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:22,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:20:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:22,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:22,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:22,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:22,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:22,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:20:22,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:20:22,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 18:20:22,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:22,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:20:22,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:22,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:20:22,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:22,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:20:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:22,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:22,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:22,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:22,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:20:22,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:20:22,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 18:20:22,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:22,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:20:22,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:22,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:20:22,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:22,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:20:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:22,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:22,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:22,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:20:22,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:22,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:20:22,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:22,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:20:22,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:22,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:20:22,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:22,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:20:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:22,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:22,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:22,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:20:22,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:22,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:20:22,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:22,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:20:22,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:22,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:20:22,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:22,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:20:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:22,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:22,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:22,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:20:22,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:22,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:20:22,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:22,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:20:22,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:22,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 18:20:22,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:22,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:20:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:22,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:22,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:22,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:20:22,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:22,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:20:22,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:22,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:20:22,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:22,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:20:22,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:22,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:20:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:22,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:22,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:22,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:20:22,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:22,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:20:22,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:22,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:20:22,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:22,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:20:22,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:22,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 18:20:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:22,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:22,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:22,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:22,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:22,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:23,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:23,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:20:23,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:20:23,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-10-12 18:20:23,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:23,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:20:23,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:23,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:20:23,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:23,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:20:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:23,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:23,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:23,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:23,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:23,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:20:23,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:20:23,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 18:20:23,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:23,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:20:23,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:23,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:20:23,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:23,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:20:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:23,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:23,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:23,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:20:23,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:23,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:20:23,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:23,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:20:23,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:23,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:20:23,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:23,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:20:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:23,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:23,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:23,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:20:23,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:23,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:20:23,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:23,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:20:23,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:23,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:20:23,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:23,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:20:23,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:23,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:23,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:23,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:20:23,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:23,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:20:23,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:23,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:20:23,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:23,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:20:23,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:23,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 655 proven. 1064 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2020-10-12 18:20:23,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1784029392] [2020-10-12 18:20:23,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:20:23,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-12 18:20:23,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552543479] [2020-10-12 18:20:23,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-12 18:20:23,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:20:23,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-12 18:20:23,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=454, Unknown=0, NotChecked=0, Total=552 [2020-10-12 18:20:23,273 INFO L87 Difference]: Start difference. First operand 62 states and 78 transitions. Second operand 24 states. [2020-10-12 18:20:24,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:20:24,098 INFO L93 Difference]: Finished difference Result 149 states and 243 transitions. [2020-10-12 18:20:24,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-12 18:20:24,098 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 218 [2020-10-12 18:20:24,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:20:24,101 INFO L225 Difference]: With dead ends: 149 [2020-10-12 18:20:24,101 INFO L226 Difference]: Without dead ends: 95 [2020-10-12 18:20:24,103 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 65 SyntacticMatches, 5 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=282, Invalid=1050, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 18:20:24,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-10-12 18:20:24,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 84. [2020-10-12 18:20:24,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-12 18:20:24,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 112 transitions. [2020-10-12 18:20:24,112 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 112 transitions. Word has length 218 [2020-10-12 18:20:24,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:20:24,112 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 112 transitions. [2020-10-12 18:20:24,112 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-12 18:20:24,112 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 112 transitions. [2020-10-12 18:20:24,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-10-12 18:20:24,117 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:20:24,117 INFO L422 BasicCegarLoop]: trace histogram [51, 51, 41, 25, 25, 25, 25, 25, 25, 25, 16, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:20:24,118 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-12 18:20:24,118 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:20:24,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:20:24,118 INFO L82 PathProgramCache]: Analyzing trace with hash 223191898, now seen corresponding path program 17 times [2020-10-12 18:20:24,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:20:24,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [24631110] [2020-10-12 18:20:24,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:20:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:24,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:24,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:24,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:24,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:24,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:24,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:24,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:24,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:24,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:25,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:25,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:25,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:25,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:25,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:25,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:25,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:25,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:26,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:26,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:26,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:26,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:26,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:26,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:26,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:26,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:27,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:27,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:27,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:27,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:28,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:28,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:28,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:28,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:29,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:29,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:29,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:29,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 462 [2020-10-12 18:20:29,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 35 [2020-10-12 18:20:29,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-12 18:20:29,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:29,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 18:20:29,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 18:20:29,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 252 [2020-10-12 18:20:29,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:29,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:20:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:29,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:29,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:29,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:20:29,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:29,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:20:29,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:29,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:20:29,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:29,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:20:29,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:29,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:20:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:29,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:29,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:29,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:29,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:29,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:29,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:29,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:30,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:30,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:30,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:30,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:31,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:31,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:31,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:33,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:34,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:34,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 450 [2020-10-12 18:20:34,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-12 18:20:34,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-12 18:20:34,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:34,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 18:20:34,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 18:20:34,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 252 [2020-10-12 18:20:34,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:34,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:20:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:34,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:34,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:34,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:34,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:34,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:34,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:35,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:37,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:37,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:37,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:37,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:37,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:37,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:38,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:38,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:38,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:38,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:38,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:38,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:38,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:38,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:38,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:38,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:39,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:39,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:39,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-12 18:20:39,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-12 18:20:39,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-12 18:20:39,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:39,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 18:20:39,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:39,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-10-12 18:20:39,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:39,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:20:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:39,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:39,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:39,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:39,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:39,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:39,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:39,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:39,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:39,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:39,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:40,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:44,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:44,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 18:20:44,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-12 18:20:44,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-12 18:20:44,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:44,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-12 18:20:44,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:44,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-12 18:20:44,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:44,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:20:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:44,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:44,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:44,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:44,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:44,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:44,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:44,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:44,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:44,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:44,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:44,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:45,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:45,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:49,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:49,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:49,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:49,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:49,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:49,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:49,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:20:49,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-12 18:20:49,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 18:20:49,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:49,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 18:20:49,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:49,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 18:20:49,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:49,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:20:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:49,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:49,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:49,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:49,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:49,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:20:49,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:20:49,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 347 [2020-10-12 18:20:49,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:49,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:20:49,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:49,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:20:49,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:49,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:20:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:49,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:49,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:50,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:20:50,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:20:50,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-12 18:20:50,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:50,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:20:50,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:50,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:20:50,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:50,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:20:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:50,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:50,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:20:50,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:50,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:20:50,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:50,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:20:50,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:50,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:20:50,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:50,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:20:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:50,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:50,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:20:50,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:50,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:20:50,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:50,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:20:50,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:50,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:20:50,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:50,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:20:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:50,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:50,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:20:50,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:50,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:20:50,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:50,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:20:50,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:50,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:20:50,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:50,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:20:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:50,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:50,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:20:50,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:20:50,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 18:20:50,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:50,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:20:50,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:50,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:20:50,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:50,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:20:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:50,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:50,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:20:50,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:20:50,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 18:20:50,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:50,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:20:50,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:50,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:20:50,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:50,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:20:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:50,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:50,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:20:50,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:50,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:20:50,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:50,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:20:50,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:50,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:20:50,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:50,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 18:20:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:50,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:50,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:20:50,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:50,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 18:20:50,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:50,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:20:50,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:50,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 18:20:50,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:50,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:20:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:50,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:50,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:20:50,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:50,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:20:50,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:50,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:20:50,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:50,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:20:50,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:50,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:20:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:50,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:50,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:20:50,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:50,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:20:50,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:50,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:20:50,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:50,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:20:50,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:50,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:20:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:50,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:50,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:20:50,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:50,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:20:50,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:50,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:20:50,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:50,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:20:50,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:50,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:20:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:50,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:50,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:20:50,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:50,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:20:50,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:50,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:20:50,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:50,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:20:50,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:50,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 18:20:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:50,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:50,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:20:50,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:50,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 18:20:50,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:50,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:20:50,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:50,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 18:20:50,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:50,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:20:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:50,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:50,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:20:50,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:50,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:20:50,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:50,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:20:50,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:50,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:20:50,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:50,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:20:50,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:50,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:50,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:20:50,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:50,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:20:50,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:50,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:20:50,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:50,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:20:50,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:50,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:20:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:50,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:50,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:20:50,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:50,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:20:50,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:50,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:20:50,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:50,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:20:50,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:20:50,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:20:50,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:50,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:50,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:20:50,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:50,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:20:50,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:50,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:20:50,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:50,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:20:50,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:50,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:20:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:50,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:50,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:20:50,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:50,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:20:50,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:50,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:20:50,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:50,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:20:50,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:20:50,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:20:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:50,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:50,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:20:50,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:50,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:20:50,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:50,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:20:50,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:50,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:20:50,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:20:50,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:20:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:50,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:50,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:20:50,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:50,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:20:50,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:50,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:20:50,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:50,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:20:50,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:20:50,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:20:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:50,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:50,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:20:50,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:20:50,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:20:50,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:50,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:20:50,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:20:50,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:20:50,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 18:20:50,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 18:20:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:50,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:50,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:51,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:51,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:51,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:51,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:51,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:51,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:51,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:55,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:55,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:55,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:55,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:20:55,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-12 18:20:55,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-12 18:20:55,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 18:20:55,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:20:55,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 18:20:55,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:20:55,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-10-12 18:20:55,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:20:55,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:20:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:20:55,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:55,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:55,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:55,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:55,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:55,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:55,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:55,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:55,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:55,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:58,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:58,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:58,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:58,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:58,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:20:58,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:00,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:00,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 18:21:00,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-12 18:21:00,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 18:21:00,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:00,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:21:00,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:00,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-12 18:21:00,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:00,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:00,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:00,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:00,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:00,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:00,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:00,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:00,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:00,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:00,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:00,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:00,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:01,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:01,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:01,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:05,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:05,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:21:05,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-12 18:21:05,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 18:21:05,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:05,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 18:21:05,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:05,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 18:21:05,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:05,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:05,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:05,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:05,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:05,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:05,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:05,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:06,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:06,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:21:06,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:21:06,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 782 [2020-10-12 18:21:06,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:06,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:21:06,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:06,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:21:06,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:06,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:06,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:06,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:06,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:06,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:06,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:21:06,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:21:06,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-12 18:21:06,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:06,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:21:06,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:06,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:21:06,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:06,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:06,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:06,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:06,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:06,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:21:06,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:21:06,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:21:06,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:06,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:21:06,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:06,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:21:06,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:06,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:21:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:06,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:06,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:06,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:21:06,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:06,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:21:06,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:06,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:21:06,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:06,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:21:06,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:06,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:21:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:06,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:06,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:06,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:21:06,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:06,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:21:06,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:06,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:21:06,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:06,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:21:06,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:06,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:21:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:06,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:06,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:06,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:06,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:06,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:21:06,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:21:06,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 18:21:06,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:06,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:21:06,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:06,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:21:06,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:06,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:06,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:06,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:06,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:06,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:21:06,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:21:06,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:21:06,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:06,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:21:06,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:06,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:21:06,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:06,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:21:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:06,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:06,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:06,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:21:06,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:06,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:21:06,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:06,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:21:06,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:06,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:21:06,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:06,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 18:21:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:06,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:06,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:06,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:21:06,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:06,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 18:21:06,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:06,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:21:06,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:06,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 18:21:06,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:06,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:06,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:06,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:06,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:21:06,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:06,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:21:06,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:06,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:06,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:06,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:06,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:06,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:06,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:06,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:06,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:21:06,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:06,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:21:06,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:06,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:06,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:06,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:06,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:06,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:21:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:06,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:06,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:06,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:21:06,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:06,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:21:06,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:06,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:06,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:06,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:06,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:06,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:21:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:06,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:06,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:06,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:21:06,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:06,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:21:06,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:06,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:06,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:06,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:06,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:06,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 18:21:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:06,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:06,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:06,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:06,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:06,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:06,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:06,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:06,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:10,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:10,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:21:10,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 18:21:10,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4116 [2020-10-12 18:21:10,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:10,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:21:10,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:10,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 18:21:10,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:10,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:10,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:10,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:10,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:10,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:10,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:10,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:11,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:11,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:21:11,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:21:11,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 520 [2020-10-12 18:21:11,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:11,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:21:11,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:11,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:21:11,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:11,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:11,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:11,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:11,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:11,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:11,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:21:11,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:21:11,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 18:21:11,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:11,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:21:11,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:11,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:21:11,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:11,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:11,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:11,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:11,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:11,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:21:11,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:21:11,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:21:11,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:11,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:21:11,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:11,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:21:11,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:11,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:21:11,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:11,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:11,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:11,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:21:11,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:11,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:21:11,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:11,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:21:11,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:11,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:21:11,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:11,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:21:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:11,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:11,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:11,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:21:11,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:11,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:21:11,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:11,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:21:11,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:11,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:21:11,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:11,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:21:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:11,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:11,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:11,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:21:11,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:11,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:21:11,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:11,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:21:11,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:11,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 18:21:11,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:11,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:11,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:11,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:11,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:21:11,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:11,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:21:11,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:11,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:11,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:11,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:11,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:11,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:21:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:11,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:11,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:11,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:21:11,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:11,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:21:11,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:11,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:11,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:11,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:11,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:11,597 INFO L134 CoverageAnalysis]: Checked inductivity of 7120 backedges. 1763 proven. 2239 refuted. 0 times theorem prover too weak. 3118 trivial. 0 not checked. [2020-10-12 18:21:11,598 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [24631110] [2020-10-12 18:21:11,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:21:11,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-12 18:21:11,598 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380086857] [2020-10-12 18:21:11,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-12 18:21:11,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:21:11,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-12 18:21:11,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=766, Unknown=0, NotChecked=0, Total=930 [2020-10-12 18:21:11,600 INFO L87 Difference]: Start difference. First operand 84 states and 112 transitions. Second operand 31 states. [2020-10-12 18:21:12,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:21:12,424 INFO L93 Difference]: Finished difference Result 181 states and 299 transitions. [2020-10-12 18:21:12,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 18:21:12,425 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 354 [2020-10-12 18:21:12,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:21:12,431 INFO L225 Difference]: With dead ends: 181 [2020-10-12 18:21:12,431 INFO L226 Difference]: Without dead ends: 115 [2020-10-12 18:21:12,434 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 100 SyntacticMatches, 8 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 544 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=436, Invalid=1544, Unknown=0, NotChecked=0, Total=1980 [2020-10-12 18:21:12,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-12 18:21:12,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 94. [2020-10-12 18:21:12,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-10-12 18:21:12,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 128 transitions. [2020-10-12 18:21:12,447 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 128 transitions. Word has length 354 [2020-10-12 18:21:12,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:21:12,448 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 128 transitions. [2020-10-12 18:21:12,448 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-12 18:21:12,448 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 128 transitions. [2020-10-12 18:21:12,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-10-12 18:21:12,453 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:21:12,453 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 33, 20, 20, 20, 20, 20, 20, 20, 13, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:21:12,454 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-12 18:21:12,454 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:21:12,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:21:12,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1425621089, now seen corresponding path program 18 times [2020-10-12 18:21:12,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:21:12,456 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1087627228] [2020-10-12 18:21:12,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:21:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:12,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:12,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:12,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:12,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:12,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:12,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:12,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:13,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:13,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:13,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:17,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:17,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 374 [2020-10-12 18:21:17,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 18:21:17,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-12 18:21:17,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:17,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 18:21:17,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 18:21:17,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:21:17,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:17,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:21:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:17,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:17,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:17,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:21:17,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:17,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:21:17,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:17,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:17,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:17,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:17,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:17,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:21:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:17,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:17,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:17,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:17,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:17,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:17,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:22,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:22,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 362 [2020-10-12 18:21:22,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:21:22,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-12 18:21:22,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:22,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 18:21:22,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:21:22,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 359 [2020-10-12 18:21:22,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:22,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:22,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:22,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:22,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:23,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:23,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:23,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:23,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:23,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:27,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:27,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-12 18:21:27,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 18:21:27,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 18:21:27,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:27,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 18:21:27,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:27,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-10-12 18:21:27,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:27,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:27,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:27,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:27,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:27,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:27,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:28,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:32,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:32,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 18:21:32,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 18:21:32,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 18:21:32,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:32,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 18:21:32,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:32,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-12 18:21:32,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:32,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:32,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:32,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:32,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:32,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:33,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:37,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:37,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:21:37,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 18:21:37,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 18:21:37,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:37,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 18:21:37,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:37,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-12 18:21:37,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:37,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:37,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:37,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:37,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:21:38,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 18:21:38,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 286 [2020-10-12 18:21:38,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 18:21:38,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 18:21:38,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:21:38,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 18:21:38,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 18:21:38,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 18:21:38,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 18:21:38,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:21:38,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:21:38,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 18:21:38,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 18:21:38,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:21:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:21:38,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:21:38,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:21:38,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 18:21:38,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:21:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:21:38,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:21:38,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:21:38,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 18:21:38,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:21:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:21:38,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:21:38,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:21:38,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 18:21:38,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:21:38,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:21:38,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:38,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:38,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:21:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:21:38,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:21:38,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:38,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:38,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 18:21:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:21:38,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 18:21:38,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:21:38,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 18:21:38,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:21:38,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:21:38,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:38,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:38,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:21:38,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:21:38,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:38,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:38,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:21:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:21:38,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:21:38,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:38,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:38,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:21:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:21:38,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:21:38,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:38,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:38,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 18:21:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:21:38,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 18:21:38,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:21:38,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-12 18:21:38,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:21:38,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:21:38,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:38,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:38,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:21:38,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:21:38,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:38,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:38,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:21:38,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:21:38,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:38,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:38,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:21:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:21:38,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:21:38,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:38,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:38,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:21:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:21:38,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:21:38,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:38,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:38,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:21:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:21:38,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:21:38,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:38,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:38,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:21:38,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:21:38,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:38,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:38,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:21:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:21:38,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:21:38,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:38,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:38,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 18:21:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 18:21:38,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 18:21:38,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 18:21:38,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-12 18:21:38,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 18:21:38,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 18:21:38,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:38,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:38,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:21:38,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 18:21:38,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:38,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:38,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:21:38,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:21:38,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:38,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:38,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:21:38,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:21:38,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:38,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:38,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:21:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:21:38,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:21:38,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:38,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:38,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:21:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:21:38,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:21:38,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:38,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:38,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 18:21:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:21:38,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:21:38,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:38,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:38,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:21:38,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:21:38,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:38,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:38,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:21:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:21:38,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:21:38,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:38,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:38,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 18:21:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 18:21:38,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 18:21:38,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:38,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:38,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-12 18:21:38,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:21:38,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:38,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:38,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:21:38,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:21:38,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:38,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:38,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 18:21:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 18:21:38,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:21:38,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:38,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:38,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 18:21:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:38,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 18:21:38,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:38,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 18:21:38,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:38,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:38,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:38,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:38,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:38,456 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 201 proven. 1135 refuted. 0 times theorem prover too weak. 3232 trivial. 0 not checked. [2020-10-12 18:21:38,456 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1087627228] [2020-10-12 18:21:38,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 18:21:38,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 18:21:38,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265781341] [2020-10-12 18:21:38,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 18:21:38,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 18:21:38,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 18:21:38,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-12 18:21:38,458 INFO L87 Difference]: Start difference. First operand 94 states and 128 transitions. Second operand 12 states. [2020-10-12 18:21:38,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 18:21:38,695 INFO L93 Difference]: Finished difference Result 101 states and 141 transitions. [2020-10-12 18:21:38,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 18:21:38,697 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 286 [2020-10-12 18:21:38,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 18:21:38,699 INFO L225 Difference]: With dead ends: 101 [2020-10-12 18:21:38,700 INFO L226 Difference]: Without dead ends: 97 [2020-10-12 18:21:38,700 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2020-10-12 18:21:38,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-10-12 18:21:38,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2020-10-12 18:21:38,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-10-12 18:21:38,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 134 transitions. [2020-10-12 18:21:38,711 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 134 transitions. Word has length 286 [2020-10-12 18:21:38,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 18:21:38,712 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 134 transitions. [2020-10-12 18:21:38,712 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 18:21:38,712 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 134 transitions. [2020-10-12 18:21:38,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2020-10-12 18:21:38,716 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 18:21:38,716 INFO L422 BasicCegarLoop]: trace histogram [67, 67, 54, 33, 33, 33, 33, 33, 33, 33, 21, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 18:21:38,716 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-12 18:21:38,717 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 18:21:38,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 18:21:38,717 INFO L82 PathProgramCache]: Analyzing trace with hash -229001048, now seen corresponding path program 19 times [2020-10-12 18:21:38,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 18:21:38,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [794862019] [2020-10-12 18:21:38,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 18:21:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:38,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:38,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:39,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:39,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:39,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:40,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:40,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:42,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:43,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:43,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 603 [2020-10-12 18:21:43,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-12 18:21:43,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-12 18:21:43,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:43,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-12 18:21:43,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 18:21:43,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-12 18:21:43,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:43,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 18:21:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:43,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:43,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:43,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 18:21:43,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 18:21:43,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 18:21:43,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:43,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 18:21:43,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 18:21:43,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 18:21:43,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:43,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-12 18:21:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:44,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:44,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:44,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:44,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:44,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:44,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:44,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:45,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:45,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:45,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:46,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:48,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 18:21:48,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 591 [2020-10-12 18:21:48,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-12 18:21:48,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-12 18:21:48,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 18:21:48,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-12 18:21:48,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 18:21:48,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 588 [2020-10-12 18:21:48,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 18:21:49,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 18:21:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 18:21:49,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:49,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:49,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:49,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:49,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 18:21:49,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking...