/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 --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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_25-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:22:15,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:22:15,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:22:15,909 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:22:15,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:22:15,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:22:15,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:22:15,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:22:15,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:22:15,934 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:22:15,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:22:15,937 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:22:15,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:22:15,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:22:15,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:22:15,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:22:15,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:22:15,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:22:15,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:22:15,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:22:15,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:22:15,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:22:15,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:22:15,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:22:15,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:22:15,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:22:15,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:22:15,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:22:15,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:22:15,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:22:15,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:22:15,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:22:15,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:22:15,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:22:15,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:22:15,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:22:15,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:22:15,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:22:15,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:22:15,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:22:15,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:22:15,983 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 [2020-09-21 12:22:16,029 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:22:16,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:22:16,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:22:16,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:22:16,032 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:22:16,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:22:16,033 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:22:16,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:22:16,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:22:16,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:22:16,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:22:16,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:22:16,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:22:16,036 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:22:16,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:22:16,036 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:22:16,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:22:16,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:22:16,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:22:16,037 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:22:16,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:22:16,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:22:16,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:22:16,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:22:16,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:22:16,038 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:22:16,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:22:16,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:22:16,039 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:22:16,039 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.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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:22:16,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:22:16,483 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:22:16,487 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:22:16,489 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:22:16,489 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:22:16,490 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_25-2.c [2020-09-21 12:22:16,569 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/66fb7b581/a491c0207bcc4ed597e98badb906c056/FLAGcc247bfb8 [2020-09-21 12:22:17,101 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:22:17,102 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_25-2.c [2020-09-21 12:22:17,110 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/66fb7b581/a491c0207bcc4ed597e98badb906c056/FLAGcc247bfb8 [2020-09-21 12:22:17,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/66fb7b581/a491c0207bcc4ed597e98badb906c056 [2020-09-21 12:22:17,484 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:22:17,490 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:22:17,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:22:17,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:22:17,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:22:17,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:22:17" (1/1) ... [2020-09-21 12:22:17,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c54ed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:22:17, skipping insertion in model container [2020-09-21 12:22:17,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:22:17" (1/1) ... [2020-09-21 12:22:17,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:22:17,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:22:17,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:22:17,759 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:22:17,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:22:17,789 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:22:17,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:22:17 WrapperNode [2020-09-21 12:22:17,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:22:17,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:22:17,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:22:17,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:22:17,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:22:17" (1/1) ... [2020-09-21 12:22:17,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:22:17" (1/1) ... [2020-09-21 12:22:17,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:22:17" (1/1) ... [2020-09-21 12:22:17,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:22:17" (1/1) ... [2020-09-21 12:22:17,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:22:17" (1/1) ... [2020-09-21 12:22:17,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:22:17" (1/1) ... [2020-09-21 12:22:17,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:22:17" (1/1) ... [2020-09-21 12:22:17,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:22:17,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:22:17,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:22:17,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:22:17,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:22:17" (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 [2020-09-21 12:22:17,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:22:17,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:22:17,985 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2020-09-21 12:22:17,985 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:22:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:22:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:22:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2020-09-21 12:22:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:22:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:22:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:22:18,191 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:22:18,192 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-21 12:22:18,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:22:18 BoogieIcfgContainer [2020-09-21 12:22:18,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:22:18,213 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:22:18,213 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:22:18,219 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:22:18,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:22:17" (1/3) ... [2020-09-21 12:22:18,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b8bdfbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:22:18, skipping insertion in model container [2020-09-21 12:22:18,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:22:17" (2/3) ... [2020-09-21 12:22:18,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b8bdfbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:22:18, skipping insertion in model container [2020-09-21 12:22:18,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:22:18" (3/3) ... [2020-09-21 12:22:18,237 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_25-2.c [2020-09-21 12:22:18,269 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:22:18,290 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:22:18,330 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:22:18,359 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:22:18,359 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:22:18,359 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:22:18,360 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:22:18,360 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:22:18,360 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:22:18,360 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:22:18,360 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:22:18,380 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-09-21 12:22:18,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-09-21 12:22:18,387 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:22:18,389 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:22:18,389 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:22:18,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:22:18,396 INFO L82 PathProgramCache]: Analyzing trace with hash 537028541, now seen corresponding path program 1 times [2020-09-21 12:22:18,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:22:18,406 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1175086040] [2020-09-21 12:22:18,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:22:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:18,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:18,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:18,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-21 12:22:18,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:18,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-21 12:22:18,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:18,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:22:18,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:22:18,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:22:18,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:22:18,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:22:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:18,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:18,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:18,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:22:18,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:18,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:18,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:18,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:18,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:18,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:18,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:18,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:22:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:18,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:18,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:18,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:18,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:18,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 12:22:18,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:18,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:22:18,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:22:18,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:22:18,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:18,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:22:18,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1175086040] [2020-09-21 12:22:18,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:22:18,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:22:18,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537292595] [2020-09-21 12:22:18,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:22:18,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:22:18,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:22:18,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:22:18,752 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 5 states. [2020-09-21 12:22:18,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:22:18,869 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2020-09-21 12:22:18,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:22:18,872 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-09-21 12:22:18,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:22:18,890 INFO L225 Difference]: With dead ends: 35 [2020-09-21 12:22:18,890 INFO L226 Difference]: Without dead ends: 21 [2020-09-21 12:22:18,899 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 [2020-09-21 12:22:18,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-09-21 12:22:18,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-09-21 12:22:18,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-09-21 12:22:18,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-09-21 12:22:18,950 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 13 [2020-09-21 12:22:18,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:22:18,950 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-09-21 12:22:18,950 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:22:18,951 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-09-21 12:22:18,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-21 12:22:18,953 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:22:18,953 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:22:18,954 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:22:18,954 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:22:18,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:22:18,955 INFO L82 PathProgramCache]: Analyzing trace with hash 179123823, now seen corresponding path program 1 times [2020-09-21 12:22:18,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:22:18,956 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [621202036] [2020-09-21 12:22:18,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:22:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:18,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:19,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:19,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-21 12:22:19,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:19,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-21 12:22:19,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:19,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:22:19,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:22:19,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:22:19,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:19,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:22:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:19,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:19,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:19,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:22:19,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:19,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:19,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:19,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:19,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:19,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:19,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:19,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:22:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:19,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:19,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:19,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:19,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:19,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-21 12:22:19,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:19,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:22:19,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:22:19,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:22:19,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:22:19,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:22:19,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [621202036] [2020-09-21 12:22:19,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:22:19,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:22:19,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428971974] [2020-09-21 12:22:19,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:22:19,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:22:19,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:22:19,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:22:19,199 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 5 states. [2020-09-21 12:22:19,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:22:19,277 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2020-09-21 12:22:19,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:22:19,278 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-21 12:22:19,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:22:19,279 INFO L225 Difference]: With dead ends: 27 [2020-09-21 12:22:19,279 INFO L226 Difference]: Without dead ends: 23 [2020-09-21 12:22:19,281 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 [2020-09-21 12:22:19,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-09-21 12:22:19,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2020-09-21 12:22:19,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-09-21 12:22:19,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-09-21 12:22:19,289 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 14 [2020-09-21 12:22:19,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:22:19,289 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-09-21 12:22:19,290 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:22:19,290 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-09-21 12:22:19,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-21 12:22:19,291 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:22:19,291 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] [2020-09-21 12:22:19,292 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:22:19,292 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:22:19,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:22:19,292 INFO L82 PathProgramCache]: Analyzing trace with hash 806022394, now seen corresponding path program 1 times [2020-09-21 12:22:19,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:22:19,293 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1312850424] [2020-09-21 12:22:19,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:22:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:19,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:19,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:19,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:20,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:20,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 12:22:20,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:22:20,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 713 [2020-09-21 12:22:20,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:20,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:22:20,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 12:22:20,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:22:20,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:20,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:22:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:20,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:20,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:20,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:22:20,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:20,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:22:20,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:20,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:20,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:20,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:20,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:20,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:22:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:20,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:20,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:20,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-21 12:22:20,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:20,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 12:22:20,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:20,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:22:20,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 12:22:20,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:22:20,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:20,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:20,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:20,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:20,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:20,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:20,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:22:20,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:20,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:22:20,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:22:20,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:22:20,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:20,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:22:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:20,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:20,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:20,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:20,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:20,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:22:20,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 12:22:20,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:20,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:20,165 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-21 12:22:20,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1312850424] [2020-09-21 12:22:20,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:22:20,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-21 12:22:20,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206724741] [2020-09-21 12:22:20,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 12:22:20,167 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:22:20,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 12:22:20,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-21 12:22:20,168 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 6 states. [2020-09-21 12:22:20,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:22:20,257 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2020-09-21 12:22:20,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:22:20,257 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-09-21 12:22:20,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:22:20,259 INFO L225 Difference]: With dead ends: 38 [2020-09-21 12:22:20,259 INFO L226 Difference]: Without dead ends: 23 [2020-09-21 12:22:20,260 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:22:20,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-09-21 12:22:20,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-09-21 12:22:20,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-09-21 12:22:20,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-09-21 12:22:20,268 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 26 [2020-09-21 12:22:20,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:22:20,269 INFO L479 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-09-21 12:22:20,269 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 12:22:20,269 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-09-21 12:22:20,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-21 12:22:20,270 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:22:20,271 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] [2020-09-21 12:22:20,271 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:22:20,271 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:22:20,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:22:20,272 INFO L82 PathProgramCache]: Analyzing trace with hash -983862936, now seen corresponding path program 1 times [2020-09-21 12:22:20,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:22:20,272 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [167411563] [2020-09-21 12:22:20,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:22:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:20,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:20,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:20,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:20,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-21 12:22:20,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:22:20,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-09-21 12:22:20,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:20,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:22:20,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:22:20,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 12:22:20,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:20,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:22:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:20,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:20,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:20,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:22:20,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:20,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:22:20,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:20,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:20,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:20,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:20,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:20,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:22:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:20,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:20,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:20,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:20,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:20,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:22:20,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 268 [2020-09-21 12:22:20,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:20,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:22:20,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:22:20,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:22:20,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:20,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:20,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:20,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:20,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:20,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:20,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:22:20,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:20,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:20,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:20,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:22:20,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:20,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:20,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:20,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:20,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:20,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:20,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 12:22:20,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:20,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:22:20,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:20,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:22:20,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:20,968 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 12:22:20,969 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [167411563] [2020-09-21 12:22:20,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:22:20,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:22:20,970 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608738891] [2020-09-21 12:22:20,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:22:20,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:22:20,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:22:20,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:22:20,972 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 7 states. [2020-09-21 12:22:21,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:22:21,063 INFO L93 Difference]: Finished difference Result 30 states and 35 transitions. [2020-09-21 12:22:21,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:22:21,064 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-09-21 12:22:21,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:22:21,066 INFO L225 Difference]: With dead ends: 30 [2020-09-21 12:22:21,066 INFO L226 Difference]: Without dead ends: 26 [2020-09-21 12:22:21,067 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:22:21,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-09-21 12:22:21,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2020-09-21 12:22:21,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-09-21 12:22:21,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2020-09-21 12:22:21,075 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 27 [2020-09-21 12:22:21,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:22:21,076 INFO L479 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2020-09-21 12:22:21,076 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:22:21,086 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2020-09-21 12:22:21,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-09-21 12:22:21,087 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:22:21,087 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:22:21,088 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:22:21,088 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:22:21,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:22:21,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1780546516, now seen corresponding path program 1 times [2020-09-21 12:22:21,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:22:21,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [479874561] [2020-09-21 12:22:21,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:22:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:21,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:21,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:21,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:21,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:21,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:21,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 12:22:21,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-21 12:22:21,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 548 [2020-09-21 12:22:21,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:21,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:22:21,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 12:22:21,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 12:22:21,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:21,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:22:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:21,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:21,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:21,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:22:21,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:21,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:22:21,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:21,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:21,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:21,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:21,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:21,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:22:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:21,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:21,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:21,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:21,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-21 12:22:21,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:22:21,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-21 12:22:21,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:21,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:22:21,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 12:22:21,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 12:22:21,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:21,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:21,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:21,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:21,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:21,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:21,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:22:21,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:21,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:22:21,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:21,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:22:21,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:21,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:21,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:21,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:21,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:21,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:21,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 12:22:21,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:21,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:22:21,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:22:21,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:22:21,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:21,855 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-21 12:22:21,855 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [479874561] [2020-09-21 12:22:21,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:22:21,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:22:21,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015479250] [2020-09-21 12:22:21,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:22:21,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:22:21,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:22:21,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:22:21,858 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 5 states. [2020-09-21 12:22:21,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:22:21,943 INFO L93 Difference]: Finished difference Result 52 states and 76 transitions. [2020-09-21 12:22:21,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:22:21,945 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-09-21 12:22:21,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:22:21,947 INFO L225 Difference]: With dead ends: 52 [2020-09-21 12:22:21,947 INFO L226 Difference]: Without dead ends: 34 [2020-09-21 12:22:21,949 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:22:21,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-09-21 12:22:21,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 28. [2020-09-21 12:22:21,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-09-21 12:22:21,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2020-09-21 12:22:21,964 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 36 transitions. Word has length 28 [2020-09-21 12:22:21,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:22:21,965 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 36 transitions. [2020-09-21 12:22:21,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:22:21,965 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2020-09-21 12:22:21,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-09-21 12:22:21,966 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:22:21,967 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] [2020-09-21 12:22:21,967 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:22:21,967 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:22:21,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:22:21,967 INFO L82 PathProgramCache]: Analyzing trace with hash 499839773, now seen corresponding path program 2 times [2020-09-21 12:22:21,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:22:21,968 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1930902552] [2020-09-21 12:22:21,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:22:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:21,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:21,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:22,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:22,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:22,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:22,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:22,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:22,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 12:22:22,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:22:22,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:22:22,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:22,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:22:22,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:22:22,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 12:22:22,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:22,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:22:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:22,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:22,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:22,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:22:22,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:22,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:22:22,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:22,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:22,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:22,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:22,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:22,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:22:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:23,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:23,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:23,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:23,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:23,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:23,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:24,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:24,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:24,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:22:24,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-09-21 12:22:24,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:24,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:22:24,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 12:22:24,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 12:22:24,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:24,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:24,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:24,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:24,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:24,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:24,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:22:24,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:24,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:22:24,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:24,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:22:24,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:24,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:24,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:24,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:24,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:24,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:24,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:24,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:22:24,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-09-21 12:22:24,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:24,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:22:24,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:22:24,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:22:24,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:24,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:24,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:24,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:24,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:24,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:24,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:22:24,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:24,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:24,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:24,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:22:24,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:24,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:24,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:24,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:24,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:24,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:24,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:22:24,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:24,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:24,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:24,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:22:24,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:24,350 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-21 12:22:24,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1930902552] [2020-09-21 12:22:24,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:22:24,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-21 12:22:24,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746078771] [2020-09-21 12:22:24,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:22:24,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:22:24,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:22:24,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:22:24,352 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. Second operand 8 states. [2020-09-21 12:22:24,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:22:24,481 INFO L93 Difference]: Finished difference Result 55 states and 80 transitions. [2020-09-21 12:22:24,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:22:24,482 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-09-21 12:22:24,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:22:24,484 INFO L225 Difference]: With dead ends: 55 [2020-09-21 12:22:24,484 INFO L226 Difference]: Without dead ends: 33 [2020-09-21 12:22:24,485 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-09-21 12:22:24,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-09-21 12:22:24,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2020-09-21 12:22:24,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-09-21 12:22:24,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2020-09-21 12:22:24,493 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 41 [2020-09-21 12:22:24,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:22:24,494 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2020-09-21 12:22:24,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:22:24,494 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2020-09-21 12:22:24,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-09-21 12:22:24,496 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:22:24,496 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] [2020-09-21 12:22:24,496 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:22:24,497 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:22:24,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:22:24,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1111873851, now seen corresponding path program 3 times [2020-09-21 12:22:24,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:22:24,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [86946837] [2020-09-21 12:22:24,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:22:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:24,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:24,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:24,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:25,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:25,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 12:22:25,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:22:25,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-21 12:22:25,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:25,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:22:25,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:22:25,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 12:22:25,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:25,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:22:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:25,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:25,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:25,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:22:25,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:25,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:25,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:25,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:25,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:25,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:25,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:25,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:22:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:25,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:25,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:25,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:26,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:26,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:26,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:22:26,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1008 [2020-09-21 12:22:26,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:26,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:22:26,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:22:26,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 12:22:26,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:26,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:26,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:26,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:26,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:26,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:26,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 12:22:26,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:26,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:26,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:26,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:22:26,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:26,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:26,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:26,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:26,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:26,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:26,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:22:26,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:26,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:26,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:26,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:26,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:26,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:26,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:26,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:26,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:26,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:26,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:22:26,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:26,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:26,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:26,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:26,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:26,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:26,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:26,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:26,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:26,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:26,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-21 12:22:26,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:26,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:22:26,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:26,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:22:26,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:26,726 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-09-21 12:22:26,727 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [86946837] [2020-09-21 12:22:26,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:22:26,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:22:26,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872467153] [2020-09-21 12:22:26,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:22:26,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:22:26,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:22:26,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:22:26,729 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand 7 states. [2020-09-21 12:22:26,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:22:26,881 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2020-09-21 12:22:26,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:22:26,882 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2020-09-21 12:22:26,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:22:26,884 INFO L225 Difference]: With dead ends: 37 [2020-09-21 12:22:26,884 INFO L226 Difference]: Without dead ends: 33 [2020-09-21 12:22:26,885 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-09-21 12:22:26,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-09-21 12:22:26,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2020-09-21 12:22:26,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-09-21 12:22:26,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2020-09-21 12:22:26,902 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 41 [2020-09-21 12:22:26,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:22:26,903 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2020-09-21 12:22:26,903 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:22:26,903 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2020-09-21 12:22:26,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-21 12:22:26,911 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:22:26,912 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] [2020-09-21 12:22:26,912 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 12:22:26,912 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:22:26,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:22:26,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1143247140, now seen corresponding path program 4 times [2020-09-21 12:22:26,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:22:26,913 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1559051565] [2020-09-21 12:22:26,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:22:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:26,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:26,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:26,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:27,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:27,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:27,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:27,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:27,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:27,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:27,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-09-21 12:22:27,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-21 12:22:27,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-21 12:22:27,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:27,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:22:27,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 12:22:27,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 12:22:27,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:27,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:22:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:27,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:27,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:27,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:22:27,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:27,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:22:27,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:27,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:27,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:27,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:27,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:27,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:22:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:27,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:28,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:28,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:28,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:28,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:28,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:28,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:28,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:28,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:28,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-09-21 12:22:28,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-21 12:22:28,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:22:28,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:28,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:22:28,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 12:22:28,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 12:22:28,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:28,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:28,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:29,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:29,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:29,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:29,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:29,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:22:29,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 300 [2020-09-21 12:22:29,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:29,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:22:29,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:29,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 12:22:29,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:29,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:29,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:29,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:29,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:29,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:29,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 12:22:29,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:29,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:22:29,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:29,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:22:29,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:29,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:29,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:29,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:29,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:29,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:29,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:22:29,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:29,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:29,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:29,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:22:29,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:29,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:29,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:29,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:29,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:29,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:29,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:29,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:22:29,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-09-21 12:22:29,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:29,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:22:29,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:22:29,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:22:29,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:29,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:29,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:29,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:29,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:29,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:29,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:22:29,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:29,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:29,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:29,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:22:29,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:29,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:29,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:29,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:29,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:29,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:29,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:22:29,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:29,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:29,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:29,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:22:29,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:29,560 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 31 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-09-21 12:22:29,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1559051565] [2020-09-21 12:22:29,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:22:29,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 12:22:29,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851769135] [2020-09-21 12:22:29,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:22:29,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:22:29,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:22:29,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:22:29,563 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand 7 states. [2020-09-21 12:22:29,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:22:29,771 INFO L93 Difference]: Finished difference Result 66 states and 92 transitions. [2020-09-21 12:22:29,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:22:29,772 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2020-09-21 12:22:29,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:22:29,774 INFO L225 Difference]: With dead ends: 66 [2020-09-21 12:22:29,774 INFO L226 Difference]: Without dead ends: 43 [2020-09-21 12:22:29,775 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:22:29,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-09-21 12:22:29,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2020-09-21 12:22:29,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-09-21 12:22:29,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2020-09-21 12:22:29,783 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 54 [2020-09-21 12:22:29,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:22:29,783 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2020-09-21 12:22:29,783 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:22:29,784 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2020-09-21 12:22:29,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-09-21 12:22:29,785 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:22:29,785 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 9, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:22:29,786 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 12:22:29,786 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:22:29,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:22:29,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1986920854, now seen corresponding path program 5 times [2020-09-21 12:22:29,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:22:29,787 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [808924475] [2020-09-21 12:22:29,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:22:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:29,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:29,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:29,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:29,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:30,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:30,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:30,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:30,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:30,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:30,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:30,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:30,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-09-21 12:22:30,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-09-21 12:22:30,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1002 [2020-09-21 12:22:30,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:30,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 12:22:30,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:22:30,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 12:22:30,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:30,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:22:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:30,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:30,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:30,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:22:30,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:30,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:22:30,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:30,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:30,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:30,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:30,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:30,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:22:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:30,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:30,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:30,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:31,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:31,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:31,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:31,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:31,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:31,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:31,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:31,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:31,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 12:22:31,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-09-21 12:22:31,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1002 [2020-09-21 12:22:31,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:31,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 12:22:31,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 12:22:31,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-21 12:22:31,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:31,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:31,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:31,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:32,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:32,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:32,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:32,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:32,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:32,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:32,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:22:32,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1002 [2020-09-21 12:22:32,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:32,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:22:32,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:32,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 12:22:32,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:32,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:32,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:32,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:32,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:32,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:32,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 12:22:32,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:32,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:32,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:32,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:22:32,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:32,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:32,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:32,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:32,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:32,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:32,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:22:32,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:32,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:32,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:32,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:32,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:32,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:32,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:33,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:33,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:33,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 12:22:33,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:33,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:33,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:33,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:33,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:33,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:33,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:33,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:33,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:33,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-21 12:22:33,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:33,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:22:33,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:33,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:22:33,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:33,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:22:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:33,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:33,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:34,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:34,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:34,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-21 12:22:34,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 999 [2020-09-21 12:22:34,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:34,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:22:34,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:22:34,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 12:22:34,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:34,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:34,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:34,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:34,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:34,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:34,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:34,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:22:34,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-21 12:22:34,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:34,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:22:34,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:34,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 12:22:34,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:34,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:34,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:34,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:34,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:34,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:34,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:22:34,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:34,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:34,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:34,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:22:34,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:34,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:34,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:34,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:34,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:34,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:34,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:22:34,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:34,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:34,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:34,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:22:34,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:34,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:34,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:34,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:34,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:34,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:34,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:22:34,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:34,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:34,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:34,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:22:34,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:34,346 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 106 proven. 67 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2020-09-21 12:22:34,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [808924475] [2020-09-21 12:22:34,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:22:34,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-21 12:22:34,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956429032] [2020-09-21 12:22:34,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 12:22:34,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:22:34,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 12:22:34,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-21 12:22:34,355 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. Second operand 10 states. [2020-09-21 12:22:34,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:22:34,639 INFO L93 Difference]: Finished difference Result 85 states and 128 transitions. [2020-09-21 12:22:34,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 12:22:34,640 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 82 [2020-09-21 12:22:34,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:22:34,641 INFO L225 Difference]: With dead ends: 85 [2020-09-21 12:22:34,642 INFO L226 Difference]: Without dead ends: 53 [2020-09-21 12:22:34,643 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2020-09-21 12:22:34,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-09-21 12:22:34,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 50. [2020-09-21 12:22:34,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-09-21 12:22:34,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 63 transitions. [2020-09-21 12:22:34,652 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 63 transitions. Word has length 82 [2020-09-21 12:22:34,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:22:34,653 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 63 transitions. [2020-09-21 12:22:34,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 12:22:34,653 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2020-09-21 12:22:34,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-09-21 12:22:34,655 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:22:34,655 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] [2020-09-21 12:22:34,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 12:22:34,655 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:22:34,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:22:34,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1040445716, now seen corresponding path program 6 times [2020-09-21 12:22:34,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:22:34,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1238036360] [2020-09-21 12:22:34,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:22:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:34,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:34,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:34,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:34,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:34,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:35,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:35,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:35,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:35,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:35,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:35,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-21 12:22:35,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-09-21 12:22:35,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1005 [2020-09-21 12:22:35,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:35,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 12:22:35,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:22:35,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 12:22:35,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:35,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:22:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:35,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:35,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:35,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:22:35,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:35,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:22:35,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:35,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:35,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:35,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:35,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:35,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:22:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:35,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:35,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:35,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:35,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:36,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:36,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:36,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:36,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:36,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:36,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:36,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:36,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:36,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-09-21 12:22:36,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-09-21 12:22:36,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1005 [2020-09-21 12:22:36,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:36,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 12:22:36,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 12:22:36,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-09-21 12:22:36,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:36,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:36,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:36,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:36,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:37,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:37,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:37,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:37,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:37,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:37,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:22:37,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-21 12:22:37,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-21 12:22:37,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:37,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:22:37,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:37,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 12:22:37,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:37,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:37,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:37,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:37,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:37,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:38,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:38,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:38,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:38,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:38,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:22:38,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:22:38,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:38,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 12:22:38,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:38,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 12:22:38,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:38,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:38,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:38,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:38,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:38,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:38,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 12:22:38,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:38,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:38,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:38,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:22:38,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:38,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:38,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:38,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:38,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:38,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:38,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:38,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:38,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:38,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:38,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:38,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:38,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:38,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:38,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:38,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:38,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:38,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:38,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:38,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:38,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:38,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:38,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:38,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:38,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:38,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:38,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:38,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:38,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 12:22:38,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:38,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:22:38,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:38,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:22:38,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:38,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:22:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:38,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:38,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:38,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:38,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:38,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-21 12:22:38,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:38,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:38,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:38,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:22:38,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:39,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:39,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:39,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:39,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:39,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:39,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:22:39,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:39,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:39,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:39,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:39,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:39,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:39,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:39,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:39,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:39,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:39,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:39,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:39,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:39,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:39,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:39,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:39,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 12:22:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:39,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:39,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:39,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:39,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:39,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:39,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:22:40,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:22:40,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:22:40,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:22:40,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:22:40,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 12:22:40,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:40,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:40,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:40,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-21 12:22:40,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:40,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 12:22:40,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:40,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:40,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:22:40,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:40,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:40,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:40,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:40,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:22:40,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:40,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:40,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:40,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:40,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:40,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:40,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:40,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:40,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:40,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:22:40,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:40,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:40,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:22:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:40,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:22:40,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-21 12:22:40,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:22:40,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 12:22:40,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:40,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:40,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:22:40,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:40,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:22:40,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:40,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:40,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:40,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:22:40,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:40,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:40,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:40,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:22:40,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:40,357 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 209 proven. 208 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2020-09-21 12:22:40,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1238036360] [2020-09-21 12:22:40,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:22:40,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-21 12:22:40,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204845327] [2020-09-21 12:22:40,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 12:22:40,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:22:40,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 12:22:40,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-21 12:22:40,360 INFO L87 Difference]: Start difference. First operand 50 states and 63 transitions. Second operand 10 states. [2020-09-21 12:22:40,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:22:40,690 INFO L93 Difference]: Finished difference Result 129 states and 220 transitions. [2020-09-21 12:22:40,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-21 12:22:40,690 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 136 [2020-09-21 12:22:40,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:22:40,694 INFO L225 Difference]: With dead ends: 129 [2020-09-21 12:22:40,694 INFO L226 Difference]: Without dead ends: 84 [2020-09-21 12:22:40,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2020-09-21 12:22:40,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-09-21 12:22:40,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 68. [2020-09-21 12:22:40,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-09-21 12:22:40,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 100 transitions. [2020-09-21 12:22:40,709 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 100 transitions. Word has length 136 [2020-09-21 12:22:40,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:22:40,710 INFO L479 AbstractCegarLoop]: Abstraction has 68 states and 100 transitions. [2020-09-21 12:22:40,710 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 12:22:40,710 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2020-09-21 12:22:40,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-09-21 12:22:40,712 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:22:40,713 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] [2020-09-21 12:22:40,713 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 12:22:40,713 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:22:40,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:22:40,714 INFO L82 PathProgramCache]: Analyzing trace with hash 706081956, now seen corresponding path program 7 times [2020-09-21 12:22:40,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:22:40,714 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [556675620] [2020-09-21 12:22:40,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:22:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:40,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:40,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:41,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:41,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:41,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:41,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-09-21 12:22:41,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-21 12:22:41,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-21 12:22:41,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:41,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 12:22:41,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:22:41,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-21 12:22:41,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:41,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:22:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:41,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:41,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:41,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:22:41,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:41,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:22:41,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:41,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:41,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:41,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:41,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:41,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:22:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:41,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:41,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:42,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:42,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:42,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:42,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:42,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:42,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-09-21 12:22:42,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:22:42,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1013 [2020-09-21 12:22:42,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:42,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 12:22:42,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 12:22:42,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 193 [2020-09-21 12:22:42,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:42,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:42,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:43,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:43,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:43,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:43,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:43,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:43,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:43,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:43,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:43,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:43,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:43,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:43,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 12:22:43,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-09-21 12:22:43,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1007 [2020-09-21 12:22:43,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:43,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 12:22:43,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:43,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-09-21 12:22:43,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:43,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:44,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:44,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:44,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:44,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:44,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:44,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:44,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:45,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:22:45,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-21 12:22:45,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1014 [2020-09-21 12:22:45,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:45,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 12:22:45,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:45,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 12:22:45,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:45,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:45,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:45,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:45,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:45,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-21 12:22:45,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:45,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:45,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:45,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 12:22:45,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:45,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:45,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:45,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:45,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:45,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:22:45,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:45,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:45,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:45,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:45,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:45,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:45,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:45,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:45,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:45,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:22:45,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:45,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:45,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:45,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:45,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:45,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:45,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:45,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:45,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:45,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:45,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:45,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:45,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:45,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:45,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:45,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:45,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:45,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:45,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:45,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:45,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:45,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:45,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:45,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:45,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:45,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:22:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:45,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:45,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:45,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:22:45,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 311 [2020-09-21 12:22:45,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:45,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 12:22:45,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:45,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 12:22:45,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:45,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:45,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:45,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:45,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:45,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 12:22:45,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:45,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:22:45,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:45,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:22:45,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:45,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:45,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:45,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:45,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:45,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:22:45,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:45,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:45,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:45,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:22:45,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:45,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 12:22:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:45,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:45,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:45,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:45,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-21 12:22:45,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:45,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:45,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:45,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 12:22:45,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:45,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:45,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:45,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:45,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:45,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:22:45,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:45,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:45,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:45,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:45,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:45,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:45,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:45,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:45,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:45,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:45,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:45,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:45,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:45,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:45,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:45,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:45,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:45,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:45,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:45,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:22:45,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:45,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:45,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:45,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:45,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:45,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:45,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:45,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:45,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:45,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:22:45,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:45,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:45,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:45,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:45,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:45,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 12:22:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:45,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:45,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:46,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 12:22:46,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-09-21 12:22:46,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1013 [2020-09-21 12:22:46,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:46,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:22:46,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:22:46,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-21 12:22:46,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:46,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:46,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:46,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:47,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:47,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:47,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:47,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:22:47,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:22:47,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1004 [2020-09-21 12:22:47,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:47,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 12:22:47,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:47,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 12:22:47,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:47,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:47,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:47,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:47,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:47,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:47,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-21 12:22:47,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:47,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:47,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:47,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 12:22:47,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:47,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:47,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:47,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:47,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:47,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:47,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:22:47,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:47,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:47,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:47,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:47,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:47,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:47,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:47,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:47,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:47,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:47,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:47,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:47,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:47,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:47,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:47,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:47,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:47,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:47,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:47,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:47,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:47,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:47,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:47,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:47,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:47,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:47,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:47,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:47,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:47,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:47,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:47,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:47,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:47,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:47,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:47,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:47,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:47,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:47,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:22:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:47,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:48,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:48,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:48,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:48,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:48,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:22:48,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-09-21 12:22:48,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:48,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:22:48,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:48,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 12:22:48,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:48,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:48,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:48,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:48,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:48,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:48,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:22:48,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:48,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:48,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:48,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:22:48,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:48,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:48,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:48,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:48,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:48,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:48,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:22:48,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:48,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:48,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:48,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:22:48,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:48,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 12:22:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:48,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:48,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:48,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:48,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:48,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-21 12:22:48,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:48,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:48,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:48,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 12:22:48,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:48,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:48,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:48,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:48,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:48,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:48,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:22:48,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:48,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:48,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:48,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:48,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:48,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:48,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:48,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:48,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:48,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:48,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:48,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:48,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:48,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:48,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:48,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:48,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:48,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:48,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:48,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:48,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:48,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:48,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:48,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:48,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:48,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:48,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:48,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:48,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:48,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:48,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:48,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:48,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:48,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:48,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:48,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:48,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:48,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:48,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2580 backedges. 452 proven. 582 refuted. 0 times theorem prover too weak. 1546 trivial. 0 not checked. [2020-09-21 12:22:48,432 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [556675620] [2020-09-21 12:22:48,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:22:48,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-21 12:22:48,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667738092] [2020-09-21 12:22:48,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-21 12:22:48,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:22:48,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-21 12:22:48,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-09-21 12:22:48,434 INFO L87 Difference]: Start difference. First operand 68 states and 100 transitions. Second operand 14 states. [2020-09-21 12:22:49,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:22:49,199 INFO L93 Difference]: Finished difference Result 182 states and 384 transitions. [2020-09-21 12:22:49,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-21 12:22:49,200 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 218 [2020-09-21 12:22:49,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:22:49,204 INFO L225 Difference]: With dead ends: 182 [2020-09-21 12:22:49,204 INFO L226 Difference]: Without dead ends: 114 [2020-09-21 12:22:49,206 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 61 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2020-09-21 12:22:49,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-09-21 12:22:49,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 98. [2020-09-21 12:22:49,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-09-21 12:22:49,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 148 transitions. [2020-09-21 12:22:49,223 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 148 transitions. Word has length 218 [2020-09-21 12:22:49,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:22:49,224 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 148 transitions. [2020-09-21 12:22:49,224 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-21 12:22:49,224 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 148 transitions. [2020-09-21 12:22:49,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-09-21 12:22:49,229 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:22:49,230 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] [2020-09-21 12:22:49,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 12:22:49,230 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:22:49,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:22:49,231 INFO L82 PathProgramCache]: Analyzing trace with hash 223191898, now seen corresponding path program 8 times [2020-09-21 12:22:49,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:22:49,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [89053988] [2020-09-21 12:22:49,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:22:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:49,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:49,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:49,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:49,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:49,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:49,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:50,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:50,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:50,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:50,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:50,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 463 [2020-09-21 12:22:50,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-09-21 12:22:50,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1030 [2020-09-21 12:22:50,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:50,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 12:22:50,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:22:50,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-09-21 12:22:50,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:50,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:22:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:50,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:50,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:50,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:22:50,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:50,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:22:50,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:50,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:50,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:50,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:50,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:50,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:22:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:50,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:50,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:51,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:51,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:51,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:51,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:51,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:51,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 451 [2020-09-21 12:22:51,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:22:51,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1040 [2020-09-21 12:22:51,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:51,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-21 12:22:51,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 12:22:51,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 287 [2020-09-21 12:22:51,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:51,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:51,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:51,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:51,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:51,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:51,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:52,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:52,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:52,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:52,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:52,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-09-21 12:22:52,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-21 12:22:52,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1002 [2020-09-21 12:22:52,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:52,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 12:22:52,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:52,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-09-21 12:22:52,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:52,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:52,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:52,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:52,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:52,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:52,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:53,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:53,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:53,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 12:22:53,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:22:53,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:22:53,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:53,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 12:22:53,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:53,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-09-21 12:22:53,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:53,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:53,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:53,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:53,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:53,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:54,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:54,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:54,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:54,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:54,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:54,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:54,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:54,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:54,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:22:54,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-09-21 12:22:54,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:22:54,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:54,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 12:22:54,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:54,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 12:22:54,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:54,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:54,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:54,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:54,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:54,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:55,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:55,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:55,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:55,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:55,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:22:55,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:22:55,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:55,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 12:22:55,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:55,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-21 12:22:55,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:55,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:55,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:55,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:55,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:55,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:55,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-21 12:22:55,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:55,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:55,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:55,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:22:55,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:55,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:55,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:55,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:55,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:55,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:55,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:55,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:55,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:55,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:55,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:55,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:55,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:55,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:55,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:55,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:55,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:55,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:55,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:55,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:55,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:55,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:55,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:55,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:55,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:55,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:55,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:55,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:55,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 12:22:55,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:55,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:22:55,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:55,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:22:55,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:55,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:22:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:55,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:55,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:55,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:55,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:55,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 12:22:55,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:55,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:55,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:55,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 12:22:55,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:55,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:55,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:55,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:55,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:55,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:56,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:22:56,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:56,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:56,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:56,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:56,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:56,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:56,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:56,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:56,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:56,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:56,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:56,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:56,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:56,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:56,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:56,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:56,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 12:22:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:56,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:56,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:56,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:56,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:56,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 12:22:56,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:56,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:56,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:56,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 12:22:56,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:56,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:56,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:56,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:56,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:56,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:56,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:22:56,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:56,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:56,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:56,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:56,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:56,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:56,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:56,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:56,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:56,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:56,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:22:56,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:56,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:56,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:56,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:56,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:56,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:56,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:56,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:56,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:56,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:56,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:56,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:56,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:56,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:56,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:56,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:22:56,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:56,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:56,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:56,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:56,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:56,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:56,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:56,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:56,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:56,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:56,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:56,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 12:22:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:56,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:56,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:56,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:22:56,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:56,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-21 12:22:56,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:56,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:56,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:56,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 12:22:56,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:56,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:56,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:56,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:56,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:56,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:56,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:22:56,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:56,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:56,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:56,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:56,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:56,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:56,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:56,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:56,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:56,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:56,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:22:56,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:56,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:56,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:56,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:56,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:56,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:56,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:56,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:56,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:56,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:56,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:22:56,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:56,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:56,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:56,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:56,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:56,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:56,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:56,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:56,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:56,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:56,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:56,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:56,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:56,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:56,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:56,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:56,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:56,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:56,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:56,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:56,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:56,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:56,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:56,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:56,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:56,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:56,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:56,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:22:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:56,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:56,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:56,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:56,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:56,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:22:56,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:56,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:56,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:56,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:56,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:56,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:56,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:56,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:56,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:56,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:56,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:56,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:56,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:56,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:56,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:56,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:56,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:56,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:56,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:56,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:56,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:56,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:56,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:56,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:56,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:56,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:56,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:56,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 12:22:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:56,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:56,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:56,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:56,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:56,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:56,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:56,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:57,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:57,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-09-21 12:22:57,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-21 12:22:57,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1009 [2020-09-21 12:22:57,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:57,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 12:22:57,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:22:57,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-09-21 12:22:57,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:57,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:57,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:57,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:57,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:57,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:57,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:57,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:57,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:57,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:58,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:58,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 12:22:58,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-21 12:22:58,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-21 12:22:58,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:58,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-21 12:22:58,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:58,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-09-21 12:22:58,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:58,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:58,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:58,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:58,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:58,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:58,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:58,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:58,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:58,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:59,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:59,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:22:59,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-21 12:22:59,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1002 [2020-09-21 12:22:59,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:59,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 12:22:59,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:59,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-21 12:22:59,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:59,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:59,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:59,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:59,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:59,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:59,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 12:22:59,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:59,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:59,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:59,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 12:22:59,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:59,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:59,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:59,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:59,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:59,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:59,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:22:59,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:59,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:59,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:59,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:59,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:59,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:59,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:59,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:59,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:59,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:59,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:59,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:59,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:59,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:59,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:59,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:59,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:59,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:59,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:59,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:59,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:59,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:22:59,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:59,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:59,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:59,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:59,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:59,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:59,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:59,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:59,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:59,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:59,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:59,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:59,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:59,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:59,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:59,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:59,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:22:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:59,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:59,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:59,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:59,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:59,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:59,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:22:59,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-09-21 12:22:59,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:59,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:22:59,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:59,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 12:22:59,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:59,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:59,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:59,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:59,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:59,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:59,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:22:59,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:59,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:59,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:59,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:22:59,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:59,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:59,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:59,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:59,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:59,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:59,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:22:59,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:59,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:59,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:59,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:22:59,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:59,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 12:22:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:59,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:59,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:59,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:59,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:59,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 12:22:59,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:59,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:59,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:59,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 12:22:59,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:59,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:59,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:59,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:59,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:59,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:59,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:22:59,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:59,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:59,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:59,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:59,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:59,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:59,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:59,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:59,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:59,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:59,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:59,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:59,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:59,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:59,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:59,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:59,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:59,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:59,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:59,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:59,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:59,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:59,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:59,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:59,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:59,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:59,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:59,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:59,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:59,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:59,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:59,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:59,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:59,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:59,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:59,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:59,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:59,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:59,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:59,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 12:22:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:59,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:59,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:59,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:22:59,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:59,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 12:22:59,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:59,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:22:59,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:59,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-21 12:22:59,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:59,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:59,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:59,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:59,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:22:59,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:59,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:22:59,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:59,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:59,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:59,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:59,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:59,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:59,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:59,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:59,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:59,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:59,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:22:59,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:59,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:59,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:59,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:59,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:59,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:22:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:59,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:59,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:59,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:59,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:59,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:22:59,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:59,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:59,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:59,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:59,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:59,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:22:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:59,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:59,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:59,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:22:59,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:59,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:22:59,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:59,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:59,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:59,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:59,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:59,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:22:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:59,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:59,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:59,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:22:59,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:59,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:22:59,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:59,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:59,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:59,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:59,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:22:59,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:22:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:22:59,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:22:59,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:22:59,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:22:59,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:22:59,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:22:59,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:22:59,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:22:59,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:22:59,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:22:59,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:00,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:00,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:00,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:00,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:00,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:00,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:23:00,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:00,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:00,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:00,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:00,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:00,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:23:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:00,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:00,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:00,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:23:00,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:00,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:23:00,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:00,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:00,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:00,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:00,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:00,165 INFO L134 CoverageAnalysis]: Checked inductivity of 7120 backedges. 857 proven. 1416 refuted. 0 times theorem prover too weak. 4847 trivial. 0 not checked. [2020-09-21 12:23:00,165 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [89053988] [2020-09-21 12:23:00,165 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 12:23:00,165 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-21 12:23:00,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353852524] [2020-09-21 12:23:00,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-21 12:23:00,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:23:00,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-21 12:23:00,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2020-09-21 12:23:00,167 INFO L87 Difference]: Start difference. First operand 98 states and 148 transitions. Second operand 15 states. [2020-09-21 12:23:01,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:23:01,233 INFO L93 Difference]: Finished difference Result 236 states and 502 transitions. [2020-09-21 12:23:01,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-21 12:23:01,234 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 354 [2020-09-21 12:23:01,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:23:01,238 INFO L225 Difference]: With dead ends: 236 [2020-09-21 12:23:01,238 INFO L226 Difference]: Without dead ends: 146 [2020-09-21 12:23:01,240 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 101 SyntacticMatches, 4 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=218, Invalid=712, Unknown=0, NotChecked=0, Total=930 [2020-09-21 12:23:01,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-09-21 12:23:01,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 122. [2020-09-21 12:23:01,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-09-21 12:23:01,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 197 transitions. [2020-09-21 12:23:01,261 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 197 transitions. Word has length 354 [2020-09-21 12:23:01,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:23:01,262 INFO L479 AbstractCegarLoop]: Abstraction has 122 states and 197 transitions. [2020-09-21 12:23:01,262 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-21 12:23:01,262 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 197 transitions. [2020-09-21 12:23:01,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2020-09-21 12:23:01,271 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:23:01,271 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] [2020-09-21 12:23:01,271 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-21 12:23:01,271 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:23:01,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:23:01,272 INFO L82 PathProgramCache]: Analyzing trace with hash -229001048, now seen corresponding path program 9 times [2020-09-21 12:23:01,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:23:01,272 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2116226893] [2020-09-21 12:23:01,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:23:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:01,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:01,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:01,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:01,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:01,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:02,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:02,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 604 [2020-09-21 12:23:02,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-21 12:23:02,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1004 [2020-09-21 12:23:02,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:02,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-21 12:23:02,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:23:02,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 356 [2020-09-21 12:23:02,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:02,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:23:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:02,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:02,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:02,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:23:02,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:02,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:23:02,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:02,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:02,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:02,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:02,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:02,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-21 12:23:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:02,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:02,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:03,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:03,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:03,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:03,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:03,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:03,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 592 [2020-09-21 12:23:03,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-21 12:23:03,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1026 [2020-09-21 12:23:03,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:03,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-21 12:23:03,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 12:23:03,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 588 [2020-09-21 12:23:03,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:03,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:03,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:03,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:04,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:04,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:04,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:04,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 363 [2020-09-21 12:23:04,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-21 12:23:04,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-21 12:23:04,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:04,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 12:23:04,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:04,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 360 [2020-09-21 12:23:04,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:04,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:04,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:04,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:04,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-09-21 12:23:04,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:04,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-09-21 12:23:04,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:04,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:23:04,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:04,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-09-21 12:23:04,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:04,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:04,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:04,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:04,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 12:23:04,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:04,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-21 12:23:04,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:04,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:04,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:04,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:04,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:04,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:04,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:04,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:04,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:04,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:23:04,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:04,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 12:23:04,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:04,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:04,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:04,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:04,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:04,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:05,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:05,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:05,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:23:05,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:05,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:23:05,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:05,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:05,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:05,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:05,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:05,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:05,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:05,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:05,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:23:05,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:05,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:23:05,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:05,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:05,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:05,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:05,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:05,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:05,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:05,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:05,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:05,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:05,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:05,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:05,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:05,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:05,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:05,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:05,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:23:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:05,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:05,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:05,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:23:05,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:05,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:23:05,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:05,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:05,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:05,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:05,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:05,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:23:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:05,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:05,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:05,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:05,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:05,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:05,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:05,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:05,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:05,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:05,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:05,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:23:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:05,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:05,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:05,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:23:05,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:05,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:23:05,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:05,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:05,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:05,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:05,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:05,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:05,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:05,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:05,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:05,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:05,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:05,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:05,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:05,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:05,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:05,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:05,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:23:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:05,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:05,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:05,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:23:05,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:05,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:05,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:05,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:05,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:05,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:05,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:05,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-21 12:23:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:05,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:05,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:05,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:23:05,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:05,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 12:23:05,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:05,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:05,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:05,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:05,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:05,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:05,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:05,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:05,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:23:05,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:05,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:23:05,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:05,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:05,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:05,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:05,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:05,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:05,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:05,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:05,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:05,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:05,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:05,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:05,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:05,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:05,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:05,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:05,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:23:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:05,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:05,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:05,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:23:05,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:05,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:23:05,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:05,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:05,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:05,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:05,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:05,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:23:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:05,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:05,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:05,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:05,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:05,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:05,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:05,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:05,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:05,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:05,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:05,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 12:23:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:05,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:05,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:05,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:23:05,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:05,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-21 12:23:05,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:05,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:05,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:05,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:05,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:05,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:05,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:05,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:05,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:05,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:23:05,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:05,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 12:23:05,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:05,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:05,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:05,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:05,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:05,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:05,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:05,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:05,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:23:05,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:05,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:23:05,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:05,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:05,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:05,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:05,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:05,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:05,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:05,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:05,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:05,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:05,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:05,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:05,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:05,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:05,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:05,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:05,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:23:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:05,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:05,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:05,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:23:05,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:05,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:23:05,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:05,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:05,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:05,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:05,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:05,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-09-21 12:23:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:05,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:05,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:05,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:05,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:05,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:23:05,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:05,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:05,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:05,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:05,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:05,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:23:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:05,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:05,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:05,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 12:23:05,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:05,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:23:05,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:05,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:05,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:05,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:05,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:05,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:05,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:05,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:05,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:05,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:23:05,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:05,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:23:05,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:05,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:05,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:05,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:05,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:05,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 12:23:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:05,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:05,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:05,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:23:05,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:23:05,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:23:05,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:05,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:23:05,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:05,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:23:05,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:05,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-21 12:23:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:05,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:05,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:05,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:05,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:06,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:23:06,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-21 12:23:06,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-21 12:23:06,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:23:06,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:23:06,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 12:23:06,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:23:06,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-09-21 12:23:06,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:23:06,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 12:23:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:23:06,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:06,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:23:06,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking...