/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --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 interpolation-heuristic=FIRST --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_2calls_4-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:58:14,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:58:14,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:58:14,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:58:14,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:58:14,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:58:14,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:58:14,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:58:14,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:58:14,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:58:14,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:58:14,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:58:14,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:58:14,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:58:14,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:58:14,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:58:14,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:58:14,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:58:14,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:58:14,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:58:14,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:58:14,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:58:14,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:58:14,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:58:14,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:58:14,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:58:14,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:58:14,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:58:14,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:58:14,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:58:14,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:58:14,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:58:14,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:58:14,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:58:14,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:58:14,499 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:58:14,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:58:14,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:58:14,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:58:14,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:58:14,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:58:14,505 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 [2020-09-24 15:58:14,553 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:58:14,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:58:14,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:58:14,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:58:14,556 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:58:14,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:58:14,557 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:58:14,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:58:14,557 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:58:14,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:58:14,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:58:14,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:58:14,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:58:14,560 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:58:14,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:58:14,560 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:58:14,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:58:14,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:58:14,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:58:14,561 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:58:14,561 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:58:14,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:58:14,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:58:14,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:58:14,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:58:14,562 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:58:14,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:58:14,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:58:14,563 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:58:14,563 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement 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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 15:58:15,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:58:15,059 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:58:15,064 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:58:15,067 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:58:15,068 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:58:15,069 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_4-1.c [2020-09-24 15:58:15,170 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/501e14452/fcf0c83970134084908ddf0676906ce6/FLAGb7692a03f [2020-09-24 15:58:15,750 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:58:15,751 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_4-1.c [2020-09-24 15:58:15,760 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/501e14452/fcf0c83970134084908ddf0676906ce6/FLAGb7692a03f [2020-09-24 15:58:16,086 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/501e14452/fcf0c83970134084908ddf0676906ce6 [2020-09-24 15:58:16,101 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:58:16,107 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:58:16,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:58:16,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:58:16,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:58:16,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:58:16" (1/1) ... [2020-09-24 15:58:16,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c2dfc77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:16, skipping insertion in model container [2020-09-24 15:58:16,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:58:16" (1/1) ... [2020-09-24 15:58:16,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:58:16,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:58:16,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:58:16,380 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:58:16,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:58:16,417 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:58:16,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:16 WrapperNode [2020-09-24 15:58:16,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:58:16,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:58:16,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:58:16,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:58:16,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:16" (1/1) ... [2020-09-24 15:58:16,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:16" (1/1) ... [2020-09-24 15:58:16,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:16" (1/1) ... [2020-09-24 15:58:16,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:16" (1/1) ... [2020-09-24 15:58:16,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:16" (1/1) ... [2020-09-24 15:58:16,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:16" (1/1) ... [2020-09-24 15:58:16,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:16" (1/1) ... [2020-09-24 15:58:16,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:58:16,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:58:16,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:58:16,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:58:16,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:16" (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 [2020-09-24 15:58:16,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:58:16,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:58:16,630 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-09-24 15:58:16,630 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-09-24 15:58:16,631 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:58:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:58:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:58:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-09-24 15:58:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-09-24 15:58:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:58:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:58:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:58:16,883 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:58:16,884 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 15:58:16,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:58:16 BoogieIcfgContainer [2020-09-24 15:58:16,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:58:16,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:58:16,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:58:16,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:58:16,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:58:16" (1/3) ... [2020-09-24 15:58:16,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e95fe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:58:16, skipping insertion in model container [2020-09-24 15:58:16,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:58:16" (2/3) ... [2020-09-24 15:58:16,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e95fe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:58:16, skipping insertion in model container [2020-09-24 15:58:16,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:58:16" (3/3) ... [2020-09-24 15:58:16,902 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_4-1.c [2020-09-24 15:58:16,917 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:58:16,932 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:58:16,962 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:58:17,022 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:58:17,022 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:58:17,023 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:58:17,023 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:58:17,023 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:58:17,023 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:58:17,023 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:58:17,024 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:58:17,052 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-09-24 15:58:17,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-09-24 15:58:17,061 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:17,063 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:17,063 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:17,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:17,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1089710179, now seen corresponding path program 1 times [2020-09-24 15:58:17,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:17,086 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [61364236] [2020-09-24 15:58:17,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:17,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:17,228 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:17,229 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:17,229 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:17,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:17,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 15:58:17,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:17,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 15:58:17,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:17,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:17,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:17,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:58:17,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:17,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:17,323 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:17,324 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:17,324 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:17,324 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:17,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:17,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:17,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:17,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:17,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:17,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:17,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:17,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:17,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:17,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:17,365 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:17,365 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:17,366 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:17,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:17,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:17,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 15:58:17,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:17,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:17,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:17,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:17,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:17,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:58:17,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [61364236] [2020-09-24 15:58:17,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:58:17,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:58:17,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238715169] [2020-09-24 15:58:17,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:58:17,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:17,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:58:17,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:58:17,447 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 5 states. [2020-09-24 15:58:17,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:17,587 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2020-09-24 15:58:17,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:58:17,590 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-09-24 15:58:17,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:17,603 INFO L225 Difference]: With dead ends: 58 [2020-09-24 15:58:17,603 INFO L226 Difference]: Without dead ends: 42 [2020-09-24 15:58:17,608 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 [2020-09-24 15:58:17,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-09-24 15:58:17,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-09-24 15:58:17,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-09-24 15:58:17,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2020-09-24 15:58:17,667 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 16 [2020-09-24 15:58:17,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:17,668 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2020-09-24 15:58:17,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:58:17,668 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-09-24 15:58:17,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-24 15:58:17,670 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:17,671 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:17,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:58:17,671 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:17,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:17,672 INFO L82 PathProgramCache]: Analyzing trace with hash -653728005, now seen corresponding path program 1 times [2020-09-24 15:58:17,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:17,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1383242770] [2020-09-24 15:58:17,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:17,693 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:17,693 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:17,693 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:17,694 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:17,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 15:58:17,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:17,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:58:17,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:17,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:17,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:17,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:17,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:17,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:17,720 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:17,720 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:17,721 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:17,721 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:17,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:17,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:17,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:17,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:17,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:17,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:17,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:17,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:17,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:17,739 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:17,740 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:17,740 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:17,740 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:17,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:17,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:17,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:58:17,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:17,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:17,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:17,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:17,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:17,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:58:17,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1383242770] [2020-09-24 15:58:17,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:58:17,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:58:17,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542451055] [2020-09-24 15:58:17,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:58:17,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:17,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:58:17,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:58:17,781 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 5 states. [2020-09-24 15:58:17,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:17,861 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2020-09-24 15:58:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:58:17,862 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-09-24 15:58:17,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:17,864 INFO L225 Difference]: With dead ends: 50 [2020-09-24 15:58:17,864 INFO L226 Difference]: Without dead ends: 44 [2020-09-24 15:58:17,866 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 [2020-09-24 15:58:17,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-09-24 15:58:17,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2020-09-24 15:58:17,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-09-24 15:58:17,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 49 transitions. [2020-09-24 15:58:17,878 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 49 transitions. Word has length 17 [2020-09-24 15:58:17,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:17,878 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 49 transitions. [2020-09-24 15:58:17,879 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:58:17,879 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-09-24 15:58:17,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-24 15:58:17,881 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:17,881 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:17,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:58:17,882 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:17,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:17,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1617834856, now seen corresponding path program 1 times [2020-09-24 15:58:17,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:17,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [673271416] [2020-09-24 15:58:17,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:17,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:17,935 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:17,937 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:17,938 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:17,938 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:17,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-24 15:58:17,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:17,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 15:58:17,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:17,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:58:17,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:17,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 15:58:17,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:17,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:17,974 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:17,974 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:17,975 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:17,975 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:17,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:17,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:17,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:17,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:17,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:17,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:17,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:17,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:17,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:18,002 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:18,002 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:18,002 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:18,003 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:18,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-24 15:58:18,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:18,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:58:18,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:18,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:18,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:58:18,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:18,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:18,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:18,050 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:18,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:18,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:18,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:18,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:18,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:18,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:58:18,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:18,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:18,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:18,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:18,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:18,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:58:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:18,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:18,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:18,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:18,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:18,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:18,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:18,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:18,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:18,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:18,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:58:18,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:18,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:18,097 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-24 15:58:18,098 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [673271416] [2020-09-24 15:58:18,099 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:18,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-24 15:58:18,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434816882] [2020-09-24 15:58:18,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:58:18,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:18,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:58:18,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:58:18,101 INFO L87 Difference]: Start difference. First operand 42 states and 49 transitions. Second operand 7 states. [2020-09-24 15:58:18,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:18,232 INFO L93 Difference]: Finished difference Result 82 states and 102 transitions. [2020-09-24 15:58:18,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:58:18,233 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-09-24 15:58:18,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:18,234 INFO L225 Difference]: With dead ends: 82 [2020-09-24 15:58:18,235 INFO L226 Difference]: Without dead ends: 46 [2020-09-24 15:58:18,236 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:58:18,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-09-24 15:58:18,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2020-09-24 15:58:18,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-09-24 15:58:18,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2020-09-24 15:58:18,247 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 51 transitions. Word has length 33 [2020-09-24 15:58:18,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:18,248 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 51 transitions. [2020-09-24 15:58:18,248 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:58:18,248 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2020-09-24 15:58:18,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-09-24 15:58:18,250 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:18,250 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:18,250 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:58:18,251 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:18,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:18,251 INFO L82 PathProgramCache]: Analyzing trace with hash 887160861, now seen corresponding path program 1 times [2020-09-24 15:58:18,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:18,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1636966900] [2020-09-24 15:58:18,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:18,279 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:18,279 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:18,279 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:18,280 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:18,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-24 15:58:18,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:18,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:58:18,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:18,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:58:18,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:18,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 15:58:18,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:18,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:18,310 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:18,310 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:18,310 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:18,311 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:18,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:18,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:18,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:18,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:18,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:18,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:18,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:18,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:18,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:18,337 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:18,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:18,338 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:18,338 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:18,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:18,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:18,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:58:18,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:18,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:58:18,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:18,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:58:18,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:18,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:18,435 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:18,435 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:18,436 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:18,436 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:18,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:18,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:18,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 15:58:18,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:18,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:18,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:18,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:58:18,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:18,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:18,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:18,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:18,511 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:18,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:18,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:18,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:18,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:58:18,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:18,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:18,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:18,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:18,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:18,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-24 15:58:18,529 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1636966900] [2020-09-24 15:58:18,529 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:18,529 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-24 15:58:18,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204823888] [2020-09-24 15:58:18,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:58:18,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:18,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:58:18,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:58:18,535 INFO L87 Difference]: Start difference. First operand 44 states and 51 transitions. Second operand 7 states. [2020-09-24 15:58:18,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:18,713 INFO L93 Difference]: Finished difference Result 60 states and 72 transitions. [2020-09-24 15:58:18,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:58:18,714 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2020-09-24 15:58:18,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:18,716 INFO L225 Difference]: With dead ends: 60 [2020-09-24 15:58:18,716 INFO L226 Difference]: Without dead ends: 54 [2020-09-24 15:58:18,717 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:58:18,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-09-24 15:58:18,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 52. [2020-09-24 15:58:18,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-09-24 15:58:18,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2020-09-24 15:58:18,730 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 63 transitions. Word has length 34 [2020-09-24 15:58:18,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:18,730 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 63 transitions. [2020-09-24 15:58:18,731 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:58:18,731 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2020-09-24 15:58:18,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-09-24 15:58:18,733 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:18,733 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:18,733 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:58:18,734 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:18,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:18,734 INFO L82 PathProgramCache]: Analyzing trace with hash 1875452576, now seen corresponding path program 1 times [2020-09-24 15:58:18,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:18,735 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [362719358] [2020-09-24 15:58:18,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:18,754 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:18,755 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:18,755 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:18,755 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:18,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:58:18,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:18,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:58:18,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:18,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:18,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-24 15:58:18,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:18,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:18,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:18,783 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:18,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:18,784 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:18,784 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:18,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:18,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:18,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:18,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:18,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:18,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:18,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:18,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:18,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:18,821 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:18,821 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:18,821 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:18,822 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:18,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 15:58:18,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:18,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:58:18,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:18,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:18,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 15:58:18,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:18,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:18,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:18,876 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:18,876 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:18,876 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:18,877 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:18,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-24 15:58:18,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:18,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:58:18,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:18,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:18,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:58:18,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:18,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:18,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:18,920 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:18,920 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:18,921 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:18,921 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:18,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:18,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:18,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:58:18,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:18,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:18,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:18,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:18,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:18,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:58:18,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:18,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:18,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:18,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:18,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:18,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:18,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:18,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:18,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:18,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:18,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:58:18,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:18,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:18,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 15:58:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:18,957 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:18,957 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:18,958 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:18,958 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:18,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:18,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:18,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:18,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:18,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:18,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:58:18,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:18,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:18,970 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-24 15:58:18,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [362719358] [2020-09-24 15:58:18,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:18,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-24 15:58:18,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790170103] [2020-09-24 15:58:18,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:58:18,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:18,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:58:18,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:58:18,976 INFO L87 Difference]: Start difference. First operand 52 states and 63 transitions. Second operand 6 states. [2020-09-24 15:58:19,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:19,067 INFO L93 Difference]: Finished difference Result 100 states and 130 transitions. [2020-09-24 15:58:19,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 15:58:19,068 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2020-09-24 15:58:19,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:19,070 INFO L225 Difference]: With dead ends: 100 [2020-09-24 15:58:19,070 INFO L226 Difference]: Without dead ends: 54 [2020-09-24 15:58:19,071 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:58:19,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-09-24 15:58:19,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-09-24 15:58:19,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-09-24 15:58:19,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 65 transitions. [2020-09-24 15:58:19,081 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 65 transitions. Word has length 50 [2020-09-24 15:58:19,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:19,082 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 65 transitions. [2020-09-24 15:58:19,082 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:58:19,082 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 65 transitions. [2020-09-24 15:58:19,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-24 15:58:19,084 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:19,085 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:19,085 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:58:19,085 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:19,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:19,086 INFO L82 PathProgramCache]: Analyzing trace with hash 104828256, now seen corresponding path program 1 times [2020-09-24 15:58:19,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:19,086 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1748669784] [2020-09-24 15:58:19,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:19,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:19,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:19,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:19,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:19,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-24 15:58:19,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:19,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:58:19,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:19,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:19,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:19,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:58:19,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:19,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:19,129 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:19,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:19,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:19,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:19,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:19,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:19,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:19,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:19,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:19,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:19,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:19,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:19,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:19,157 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:19,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:19,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:19,158 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:19,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-24 15:58:19,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:19,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:58:19,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:19,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:19,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:58:19,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 15:58:19,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:19,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:19,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:19,205 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:19,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:19,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:19,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:19,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:19,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:58:19,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:19,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:19,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:19,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:19,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:19,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:19,266 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:19,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:19,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:19,267 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:19,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:19,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:19,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:19,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:19,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:19,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:19,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:19,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:19,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:19,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:19,275 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:19,275 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:19,276 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:19,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:19,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:19,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:19,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:19,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:19,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:19,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:19,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:19,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:19,288 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:19,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:19,289 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:19,289 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:19,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:19,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:19,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:58:19,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:19,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:19,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:19,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:19,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:19,330 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-24 15:58:19,332 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1748669784] [2020-09-24 15:58:19,333 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:19,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-24 15:58:19,333 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109146235] [2020-09-24 15:58:19,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:58:19,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:19,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:58:19,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:58:19,335 INFO L87 Difference]: Start difference. First operand 54 states and 65 transitions. Second operand 9 states. [2020-09-24 15:58:19,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:19,486 INFO L93 Difference]: Finished difference Result 108 states and 138 transitions. [2020-09-24 15:58:19,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 15:58:19,487 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2020-09-24 15:58:19,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:19,491 INFO L225 Difference]: With dead ends: 108 [2020-09-24 15:58:19,491 INFO L226 Difference]: Without dead ends: 60 [2020-09-24 15:58:19,495 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:58:19,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-09-24 15:58:19,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 54. [2020-09-24 15:58:19,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-09-24 15:58:19,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 64 transitions. [2020-09-24 15:58:19,520 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 64 transitions. Word has length 51 [2020-09-24 15:58:19,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:19,520 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 64 transitions. [2020-09-24 15:58:19,520 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:58:19,520 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2020-09-24 15:58:19,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-24 15:58:19,525 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:19,525 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:19,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:58:19,529 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:19,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:19,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1703786405, now seen corresponding path program 1 times [2020-09-24 15:58:19,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:19,530 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1456915200] [2020-09-24 15:58:19,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:19,564 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:19,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:19,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:19,565 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:19,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-24 15:58:19,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:19,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 15:58:19,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:19,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:19,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:19,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:58:19,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:19,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:19,593 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:19,593 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:19,594 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:19,594 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:19,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:19,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:19,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:19,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:19,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:19,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:19,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:19,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:19,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:19,639 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:19,640 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:19,640 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:19,640 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:19,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:19,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:19,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 15:58:19,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:19,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:19,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:19,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-24 15:58:19,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:19,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:19,690 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:19,691 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:19,691 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:19,691 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:19,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:19,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:19,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:58:19,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:19,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:19,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:19,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:19,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:19,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:19,734 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:19,734 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:19,735 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:19,735 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:19,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:19,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:19,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:58:19,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:19,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:19,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:19,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:58:19,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:19,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:19,753 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:19,753 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:19,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:19,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:19,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:19,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:19,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:58:19,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:19,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:19,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:19,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:19,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:19,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:19,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:19,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:19,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:19,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:19,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:19,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:19,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:19,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:19,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:19,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:19,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:19,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:19,779 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-24 15:58:19,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1456915200] [2020-09-24 15:58:19,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:19,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 15:58:19,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590504703] [2020-09-24 15:58:19,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:58:19,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:19,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:58:19,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:58:19,784 INFO L87 Difference]: Start difference. First operand 54 states and 64 transitions. Second operand 8 states. [2020-09-24 15:58:19,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:19,979 INFO L93 Difference]: Finished difference Result 82 states and 108 transitions. [2020-09-24 15:58:19,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 15:58:19,980 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-09-24 15:58:19,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:19,984 INFO L225 Difference]: With dead ends: 82 [2020-09-24 15:58:19,984 INFO L226 Difference]: Without dead ends: 76 [2020-09-24 15:58:19,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:58:19,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-09-24 15:58:20,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 70. [2020-09-24 15:58:20,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-09-24 15:58:20,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 93 transitions. [2020-09-24 15:58:20,015 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 93 transitions. Word has length 52 [2020-09-24 15:58:20,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:20,016 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 93 transitions. [2020-09-24 15:58:20,016 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:58:20,016 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2020-09-24 15:58:20,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-24 15:58:20,018 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:20,018 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:20,019 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:58:20,019 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:20,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:20,019 INFO L82 PathProgramCache]: Analyzing trace with hash -521446491, now seen corresponding path program 1 times [2020-09-24 15:58:20,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:20,020 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1630859939] [2020-09-24 15:58:20,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:20,043 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:20,043 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:20,044 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:20,044 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:20,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-24 15:58:20,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:20,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:58:20,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:20,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:20,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:20,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-24 15:58:20,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:20,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:20,061 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:20,061 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:20,062 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:20,062 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:20,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:20,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:20,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:20,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:20,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:20,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:20,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:20,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:20,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:20,085 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:20,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:20,086 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:20,086 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:20,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-24 15:58:20,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:20,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:58:20,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:20,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:20,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-24 15:58:20,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 15:58:20,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:20,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:20,114 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:20,115 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:20,115 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:20,115 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:20,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-24 15:58:20,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:20,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:58:20,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:20,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:20,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:58:20,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 15:58:20,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:20,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:20,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:20,140 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:20,140 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:20,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:20,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:20,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:20,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:58:20,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:20,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:20,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:20,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:20,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:20,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:20,196 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:20,196 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:20,196 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:20,196 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:20,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:20,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:20,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:20,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:20,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:20,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:20,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:20,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:20,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:20,204 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:20,204 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:20,204 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:20,205 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:20,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:20,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:20,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:20,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:20,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:20,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:20,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:20,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:20,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:20,214 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:20,215 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:20,215 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:20,215 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:20,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:20,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:20,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:58:20,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:20,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:20,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:20,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:20,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:20,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-24 15:58:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:20,256 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:20,256 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:20,256 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:20,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:20,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:20,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:20,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:20,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:20,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:20,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 15:58:20,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:20,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:20,267 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-09-24 15:58:20,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1630859939] [2020-09-24 15:58:20,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:20,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-24 15:58:20,268 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056161551] [2020-09-24 15:58:20,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:58:20,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:20,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:58:20,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:58:20,273 INFO L87 Difference]: Start difference. First operand 70 states and 93 transitions. Second operand 9 states. [2020-09-24 15:58:20,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:20,499 INFO L93 Difference]: Finished difference Result 145 states and 216 transitions. [2020-09-24 15:58:20,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 15:58:20,500 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 69 [2020-09-24 15:58:20,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:20,502 INFO L225 Difference]: With dead ends: 145 [2020-09-24 15:58:20,502 INFO L226 Difference]: Without dead ends: 81 [2020-09-24 15:58:20,503 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2020-09-24 15:58:20,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-09-24 15:58:20,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 75. [2020-09-24 15:58:20,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-09-24 15:58:20,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 100 transitions. [2020-09-24 15:58:20,516 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 100 transitions. Word has length 69 [2020-09-24 15:58:20,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:20,517 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 100 transitions. [2020-09-24 15:58:20,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:58:20,517 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 100 transitions. [2020-09-24 15:58:20,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-24 15:58:20,519 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:20,519 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:20,519 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:58:20,519 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:20,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:20,520 INFO L82 PathProgramCache]: Analyzing trace with hash -439633211, now seen corresponding path program 1 times [2020-09-24 15:58:20,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:20,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1963063481] [2020-09-24 15:58:20,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:20,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:20,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:20,542 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:20,542 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:20,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 15:58:20,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:20,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:58:20,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:20,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:58:20,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:20,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-24 15:58:20,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:20,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:20,561 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:20,561 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:20,561 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:20,562 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:20,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:20,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:20,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:20,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:20,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:20,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:20,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:20,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:20,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:20,587 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:20,587 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:20,588 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:20,588 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:20,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-24 15:58:20,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:20,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:58:20,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:20,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:20,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:58:20,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-24 15:58:20,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:20,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:20,631 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:20,632 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:20,632 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:20,632 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:20,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:20,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:20,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:58:20,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:20,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:58:20,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:20,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:58:20,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:20,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:20,680 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:20,680 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:20,680 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:20,680 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:20,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:20,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:20,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:58:20,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:20,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:20,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:20,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:20,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:20,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:20,710 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:20,710 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:20,711 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:20,711 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:20,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:20,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:20,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:20,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:20,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:20,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:20,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:20,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:20,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:20,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:20,719 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:20,719 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:20,719 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:20,719 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:20,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:20,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:20,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:20,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:20,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:20,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:20,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:20,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:20,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:20,728 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:20,729 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:20,729 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:20,729 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:20,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:20,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:20,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:20,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:20,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:20,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:20,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:20,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:20,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:58:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:20,741 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:20,742 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:20,742 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:20,742 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:20,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:20,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:20,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:58:20,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:20,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:20,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:20,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:20,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:20,765 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-24 15:58:20,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1963063481] [2020-09-24 15:58:20,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:20,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-24 15:58:20,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180019834] [2020-09-24 15:58:20,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:58:20,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:20,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:58:20,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:58:20,768 INFO L87 Difference]: Start difference. First operand 75 states and 100 transitions. Second operand 9 states. [2020-09-24 15:58:20,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:20,984 INFO L93 Difference]: Finished difference Result 153 states and 224 transitions. [2020-09-24 15:58:20,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:58:20,984 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-09-24 15:58:20,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:20,986 INFO L225 Difference]: With dead ends: 153 [2020-09-24 15:58:20,986 INFO L226 Difference]: Without dead ends: 87 [2020-09-24 15:58:20,989 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:58:20,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-09-24 15:58:21,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 81. [2020-09-24 15:58:21,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-09-24 15:58:21,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 105 transitions. [2020-09-24 15:58:21,013 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 105 transitions. Word has length 70 [2020-09-24 15:58:21,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:21,014 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 105 transitions. [2020-09-24 15:58:21,014 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:58:21,014 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 105 transitions. [2020-09-24 15:58:21,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-09-24 15:58:21,016 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:21,016 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:21,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:58:21,017 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:21,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:21,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1951493560, now seen corresponding path program 1 times [2020-09-24 15:58:21,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:21,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [715660575] [2020-09-24 15:58:21,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:21,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:21,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:21,100 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:21,100 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:21,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-09-24 15:58:21,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:21,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-24 15:58:21,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:21,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-24 15:58:21,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-24 15:58:21,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:58:21,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:21,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:21,147 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:21,148 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:21,148 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:21,148 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:21,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:21,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:21,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:21,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:21,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:21,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:21,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:21,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:21,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:21,212 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:21,212 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:21,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:21,213 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:21,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:58:21,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:21,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-24 15:58:21,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:21,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:58:21,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:21,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-24 15:58:21,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:21,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:21,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:21,299 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:21,300 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:21,300 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:21,300 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:21,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:21,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:21,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:58:21,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:21,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:58:21,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:21,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-24 15:58:21,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:21,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:21,369 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:21,370 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:21,370 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:21,370 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:21,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:21,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:21,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:58:21,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:21,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:21,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:21,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-24 15:58:21,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:21,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:21,431 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:21,431 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:21,431 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:21,432 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:21,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:21,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:21,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:21,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:21,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 15:58:21,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:21,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:21,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:21,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:21,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:21,458 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:21,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:21,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:21,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:21,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:21,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:58:21,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:21,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:21,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:21,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:21,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:21,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:21,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:21,491 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:21,492 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:21,492 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:21,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:21,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:21,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:21,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:58:21,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:21,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:21,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:21,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:21,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:21,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:58:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:21,526 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:21,527 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:21,527 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:21,527 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:21,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:21,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:21,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:58:21,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:21,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:21,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:21,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:58:21,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:21,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:21,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:21,584 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:21,584 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:21,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:21,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:21,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:21,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:58:21,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:21,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 15:58:21,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:21,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:21,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:21,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:21,599 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:21,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:21,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:21,599 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:21,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:21,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:21,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:58:21,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:21,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:21,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:21,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:21,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:21,645 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-09-24 15:58:21,646 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [715660575] [2020-09-24 15:58:21,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:21,647 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-24 15:58:21,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941974502] [2020-09-24 15:58:21,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-24 15:58:21,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:21,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-24 15:58:21,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:58:21,649 INFO L87 Difference]: Start difference. First operand 81 states and 105 transitions. Second operand 17 states. [2020-09-24 15:58:22,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:22,117 INFO L93 Difference]: Finished difference Result 159 states and 232 transitions. [2020-09-24 15:58:22,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-24 15:58:22,117 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 87 [2020-09-24 15:58:22,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:22,120 INFO L225 Difference]: With dead ends: 159 [2020-09-24 15:58:22,120 INFO L226 Difference]: Without dead ends: 153 [2020-09-24 15:58:22,121 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=87, Invalid=669, Unknown=0, NotChecked=0, Total=756 [2020-09-24 15:58:22,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-09-24 15:58:22,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 103. [2020-09-24 15:58:22,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-09-24 15:58:22,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 143 transitions. [2020-09-24 15:58:22,139 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 143 transitions. Word has length 87 [2020-09-24 15:58:22,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:22,140 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 143 transitions. [2020-09-24 15:58:22,140 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-24 15:58:22,140 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 143 transitions. [2020-09-24 15:58:22,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-09-24 15:58:22,143 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:22,143 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:22,143 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 15:58:22,143 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:22,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:22,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1379307124, now seen corresponding path program 2 times [2020-09-24 15:58:22,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:22,144 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [308202132] [2020-09-24 15:58:22,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:22,177 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:22,177 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:22,177 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:22,177 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:22,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-09-24 15:58:22,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:22,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:58:22,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:22,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:22,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:22,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-24 15:58:22,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:22,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:22,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:22,205 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:22,205 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:22,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:22,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:22,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:22,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:22,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:22,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:22,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:22,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:22,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:22,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:22,245 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:22,245 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:22,246 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:22,246 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:22,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-24 15:58:22,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:22,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 15:58:22,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:22,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:58:22,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:58:22,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 15:58:22,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:22,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:22,294 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:58:22,294 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:22,295 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:22,295 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:22,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:22,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:22,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:58:22,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:22,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:22,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:22,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:58:22,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:22,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:22,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:58:22,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:22,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:22,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:22,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:22,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:22,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:58:22,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:22,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:22,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:22,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:22,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:22,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:22,385 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:22,385 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:22,386 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:22,386 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:22,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:22,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:22,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:58:22,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:22,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:22,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:22,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:58:22,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:22,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:22,416 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:22,416 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:22,416 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:22,417 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:22,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:22,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:22,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:22,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:22,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:22,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:22,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:22,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:22,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:22,425 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:22,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:22,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:22,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:22,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:22,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:22,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:22,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:22,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:22,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:22,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:22,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:22,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:58:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:22,456 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:22,457 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:22,457 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:22,457 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:22,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-24 15:58:22,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:22,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:58:22,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:22,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:58:22,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:22,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:58:22,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:22,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:22,548 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:22,549 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:22,549 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:22,549 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:22,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 15:58:22,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:22,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:58:22,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:22,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:58:22,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:58:22,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:58:22,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:22,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:22,581 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:22,581 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:22,581 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:22,581 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:22,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:22,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:22,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:58:22,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:22,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:22,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:22,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:58:22,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:22,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:22,595 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:22,595 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:22,595 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:22,595 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:22,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:58:22,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:22,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:58:22,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:22,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:22,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:22,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:22,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:22,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:22,637 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:22,637 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:22,638 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:22,638 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:22,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:22,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:22,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:22,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:22,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:22,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:22,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:22,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:22,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:22,645 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:22,645 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:22,645 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:22,645 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:22,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:22,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:22,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:22,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:22,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:22,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:22,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:22,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:22,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-24 15:58:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:22,657 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:22,657 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:22,657 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:22,658 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:22,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:22,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:22,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:22,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:22,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:22,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:22,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:22,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:22,733 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 42 proven. 82 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-09-24 15:58:22,734 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [308202132] [2020-09-24 15:58:22,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:22,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-24 15:58:22,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241510187] [2020-09-24 15:58:22,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 15:58:22,735 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:22,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 15:58:22,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:58:22,736 INFO L87 Difference]: Start difference. First operand 103 states and 143 transitions. Second operand 14 states. [2020-09-24 15:58:23,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:23,138 INFO L93 Difference]: Finished difference Result 261 states and 438 transitions. [2020-09-24 15:58:23,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:58:23,138 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 124 [2020-09-24 15:58:23,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:23,141 INFO L225 Difference]: With dead ends: 261 [2020-09-24 15:58:23,141 INFO L226 Difference]: Without dead ends: 157 [2020-09-24 15:58:23,144 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:58:23,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-09-24 15:58:23,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 143. [2020-09-24 15:58:23,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-09-24 15:58:23,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 203 transitions. [2020-09-24 15:58:23,162 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 203 transitions. Word has length 124 [2020-09-24 15:58:23,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:23,163 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 203 transitions. [2020-09-24 15:58:23,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 15:58:23,163 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 203 transitions. [2020-09-24 15:58:23,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-09-24 15:58:23,165 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:23,166 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:23,166 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 15:58:23,166 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:23,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:23,167 INFO L82 PathProgramCache]: Analyzing trace with hash 2061679298, now seen corresponding path program 3 times [2020-09-24 15:58:23,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:23,167 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [324323603] [2020-09-24 15:58:23,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:23,192 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:23,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:23,193 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:23,193 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:23,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-09-24 15:58:23,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:23,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:58:23,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:23,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:23,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:23,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 15:58:23,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:23,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:23,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:23,225 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:23,225 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:23,226 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:23,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:23,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:23,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:23,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:23,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:23,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:23,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:23,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:23,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:23,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:23,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:23,265 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:23,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:23,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-24 15:58:23,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:23,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 15:58:23,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:23,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:58:23,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:58:23,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:58:23,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:23,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:23,306 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:23,306 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:23,306 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:23,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:23,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:23,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:23,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:58:23,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:23,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:23,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:23,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:58:23,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:23,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:23,349 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:23,349 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:23,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:23,350 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:23,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:23,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:23,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:58:23,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:23,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:23,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:23,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:23,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:23,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:23,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:23,397 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:23,397 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:23,397 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:23,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:23,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:23,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:58:23,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:23,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:23,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:23,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:58:23,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:23,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:23,425 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:23,425 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:23,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:23,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:23,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:23,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:23,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:23,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:23,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:23,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:23,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:23,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:23,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:23,434 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:23,434 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:23,434 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:23,435 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:23,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:23,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:23,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:23,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:23,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:23,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:23,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:23,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:23,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:58:23,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:23,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:23,451 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:23,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:23,452 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:23,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-24 15:58:23,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:23,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:58:23,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:23,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:58:23,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:58:23,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:58:23,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:23,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:23,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:23,475 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:23,475 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:23,475 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:23,476 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:23,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:23,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:23,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:58:23,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:23,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:23,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:23,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:58:23,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:23,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:23,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:23,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:23,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:23,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:23,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:23,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:23,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:58:23,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:23,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:23,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:23,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:23,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:23,578 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 49 proven. 26 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-09-24 15:58:23,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [324323603] [2020-09-24 15:58:23,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:23,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 15:58:23,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857920638] [2020-09-24 15:58:23,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:58:23,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:23,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:58:23,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:58:23,582 INFO L87 Difference]: Start difference. First operand 143 states and 203 transitions. Second operand 15 states. [2020-09-24 15:58:24,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:24,092 INFO L93 Difference]: Finished difference Result 322 states and 526 transitions. [2020-09-24 15:58:24,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 15:58:24,093 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 88 [2020-09-24 15:58:24,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:24,106 INFO L225 Difference]: With dead ends: 322 [2020-09-24 15:58:24,106 INFO L226 Difference]: Without dead ends: 188 [2020-09-24 15:58:24,113 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2020-09-24 15:58:24,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-09-24 15:58:24,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 162. [2020-09-24 15:58:24,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-09-24 15:58:24,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 222 transitions. [2020-09-24 15:58:24,141 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 222 transitions. Word has length 88 [2020-09-24 15:58:24,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:24,141 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 222 transitions. [2020-09-24 15:58:24,141 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 15:58:24,142 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 222 transitions. [2020-09-24 15:58:24,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-09-24 15:58:24,144 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:24,144 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:24,145 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-24 15:58:24,145 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:24,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:24,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1352793328, now seen corresponding path program 2 times [2020-09-24 15:58:24,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:24,146 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1880946094] [2020-09-24 15:58:24,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:24,175 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:24,175 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:24,176 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:24,176 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:24,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-09-24 15:58:24,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:24,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 15:58:24,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:24,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:58:24,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:24,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-24 15:58:24,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:24,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:24,201 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:24,202 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:24,202 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:24,202 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:24,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:24,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:24,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:24,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:24,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:24,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:24,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:24,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:24,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:24,235 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:24,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:24,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:24,236 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:24,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-09-24 15:58:24,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:24,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:58:24,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:24,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:58:24,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:24,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-24 15:58:24,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:24,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:24,297 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:24,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:24,298 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:24,298 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:24,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-24 15:58:24,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:24,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:58:24,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:24,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:24,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:58:24,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-24 15:58:24,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:24,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:24,340 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:24,341 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:24,341 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:24,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:24,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:24,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:24,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:58:24,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:24,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:58:24,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:24,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:58:24,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:24,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:24,378 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:24,378 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:24,378 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:24,378 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:24,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:24,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:24,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:58:24,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:24,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:24,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:24,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:24,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:24,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:24,440 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:24,441 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:24,441 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:24,441 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:24,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:24,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:24,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:24,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:24,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:24,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:24,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:24,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:24,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:24,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:24,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:24,455 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:24,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:24,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:24,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:24,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:24,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:24,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:24,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:24,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:24,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:24,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:24,464 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:24,464 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:24,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:24,465 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:24,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:24,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:24,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:24,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:24,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:24,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:24,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:24,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:24,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:58:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:24,478 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:24,478 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:24,479 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:24,479 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:24,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:24,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:24,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:58:24,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:24,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:58:24,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:24,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:24,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:24,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-09-24 15:58:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:24,516 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:24,516 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:24,516 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:24,517 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:24,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:24,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:24,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:24,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:24,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:24,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:24,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:58:24,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:24,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:24,526 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:24,526 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:24,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:24,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:24,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:24,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:24,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:24,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:24,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:24,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:24,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:24,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:24,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:24,532 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:24,532 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:24,532 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:24,533 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:24,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:24,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:24,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:24,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:24,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:24,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:24,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:24,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:24,561 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 33 proven. 59 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-09-24 15:58:24,562 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1880946094] [2020-09-24 15:58:24,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:24,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 15:58:24,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905688380] [2020-09-24 15:58:24,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:58:24,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:24,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:58:24,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:58:24,564 INFO L87 Difference]: Start difference. First operand 162 states and 222 transitions. Second operand 10 states. [2020-09-24 15:58:24,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:24,858 INFO L93 Difference]: Finished difference Result 310 states and 447 transitions. [2020-09-24 15:58:24,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 15:58:24,860 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2020-09-24 15:58:24,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:24,862 INFO L225 Difference]: With dead ends: 310 [2020-09-24 15:58:24,862 INFO L226 Difference]: Without dead ends: 124 [2020-09-24 15:58:24,891 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2020-09-24 15:58:24,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-09-24 15:58:24,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 116. [2020-09-24 15:58:24,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-09-24 15:58:24,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 144 transitions. [2020-09-24 15:58:24,900 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 144 transitions. Word has length 105 [2020-09-24 15:58:24,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:24,901 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 144 transitions. [2020-09-24 15:58:24,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:58:24,902 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 144 transitions. [2020-09-24 15:58:24,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-09-24 15:58:24,904 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:24,905 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:24,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-24 15:58:24,905 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:24,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:24,906 INFO L82 PathProgramCache]: Analyzing trace with hash 235403762, now seen corresponding path program 2 times [2020-09-24 15:58:24,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:24,911 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [116397808] [2020-09-24 15:58:24,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:24,962 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:24,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:24,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:24,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:24,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-09-24 15:58:24,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:24,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:58:24,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:24,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:58:24,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:24,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-24 15:58:24,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:24,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:24,999 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:25,000 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:25,000 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:25,000 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:25,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:25,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:25,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:25,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:25,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:25,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:25,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:25,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:25,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:25,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:25,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:25,064 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:25,064 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:25,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-09-24 15:58:25,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:25,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 15:58:25,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:25,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:58:25,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:58:25,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-09-24 15:58:25,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:25,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:25,137 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:58:25,137 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:25,137 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:25,138 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:25,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:58:25,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:25,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:58:25,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:25,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:58:25,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:25,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-24 15:58:25,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:25,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:25,195 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:58:25,195 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:25,195 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:25,196 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:25,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:25,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:25,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:58:25,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:25,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:58:25,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:25,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:58:25,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:25,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:25,245 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:58:25,245 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:25,245 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:25,246 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:25,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:25,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:25,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:58:25,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:25,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:25,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:25,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:25,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:25,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:25,301 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:25,301 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:25,301 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:25,301 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:25,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:25,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:25,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:58:25,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:25,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:25,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:25,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:58:25,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:25,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:25,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:25,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:25,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:25,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:25,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:25,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:25,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:25,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:25,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:25,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:25,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:25,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:25,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:25,335 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:25,335 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:25,336 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:25,336 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:25,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:25,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:25,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:25,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:25,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:25,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:25,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:25,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:25,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:58:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:25,347 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:25,348 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:25,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:25,348 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:25,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:25,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:25,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:25,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:25,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:25,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:25,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:58:25,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:25,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:25,355 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:25,356 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:25,356 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:25,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:25,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:25,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:25,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:25,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:25,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:25,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:25,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:25,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:25,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:25,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:25,361 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:25,361 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:25,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:25,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:25,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:25,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:58:25,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:25,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:25,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:25,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:25,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:25,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 15:58:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:25,392 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:25,392 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:25,393 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:25,393 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:25,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:58:25,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:25,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:58:25,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:25,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:25,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:25,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-09-24 15:58:25,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:25,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:25,445 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:25,445 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:25,445 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:25,445 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:25,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:25,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:25,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:58:25,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:25,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:25,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:25,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:58:25,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:25,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:25,487 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:25,487 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:25,488 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:25,488 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:25,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:25,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:25,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:58:25,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:25,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:25,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:25,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:25,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:25,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:25,562 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:25,563 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:25,563 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:25,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:25,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:25,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:25,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:25,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:25,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:25,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:25,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:25,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:25,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:25,571 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:25,571 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:25,572 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:25,572 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:25,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:25,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:25,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:25,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:25,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:25,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:25,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:25,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:25,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:25,582 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:25,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:25,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:25,583 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:25,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:25,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:25,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:25,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:25,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:25,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:25,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:25,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:25,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:58:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:25,598 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:25,598 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:25,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:25,599 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:25,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:25,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:25,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:25,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:25,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:25,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:25,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:58:25,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:25,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:25,609 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:25,610 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:25,610 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:25,610 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:25,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:25,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:25,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:25,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:25,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:25,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:25,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:25,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:25,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:25,615 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:25,616 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:25,616 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:25,616 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:25,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:25,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:25,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:25,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:25,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:25,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:25,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:25,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:25,777 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 99 proven. 195 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2020-09-24 15:58:25,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [116397808] [2020-09-24 15:58:25,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:25,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 15:58:25,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123128701] [2020-09-24 15:58:25,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:58:25,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:25,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:58:25,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:58:25,780 INFO L87 Difference]: Start difference. First operand 116 states and 144 transitions. Second operand 15 states. [2020-09-24 15:58:26,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:26,286 INFO L93 Difference]: Finished difference Result 246 states and 332 transitions. [2020-09-24 15:58:26,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 15:58:26,286 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 175 [2020-09-24 15:58:26,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:26,291 INFO L225 Difference]: With dead ends: 246 [2020-09-24 15:58:26,292 INFO L226 Difference]: Without dead ends: 131 [2020-09-24 15:58:26,294 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=451, Unknown=0, NotChecked=0, Total=552 [2020-09-24 15:58:26,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-09-24 15:58:26,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 119. [2020-09-24 15:58:26,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-09-24 15:58:26,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 142 transitions. [2020-09-24 15:58:26,306 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 142 transitions. Word has length 175 [2020-09-24 15:58:26,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:26,307 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 142 transitions. [2020-09-24 15:58:26,307 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 15:58:26,307 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 142 transitions. [2020-09-24 15:58:26,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-09-24 15:58:26,312 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:26,312 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:26,313 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-24 15:58:26,313 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:26,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:26,313 INFO L82 PathProgramCache]: Analyzing trace with hash -544823395, now seen corresponding path program 3 times [2020-09-24 15:58:26,314 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:26,314 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2142060215] [2020-09-24 15:58:26,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:26,372 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:26,373 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:26,373 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:26,373 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:26,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-09-24 15:58:26,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:26,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 15:58:26,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:26,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:58:26,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:26,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-24 15:58:26,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:26,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:26,414 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:26,418 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:26,419 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:26,419 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:26,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:26,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:26,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:58:26,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:26,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:26,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:26,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:26,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:26,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:26,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:26,474 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:26,474 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:26,474 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:26,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-09-24 15:58:26,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:26,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 15:58:26,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:26,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:58:26,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-24 15:58:26,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-09-24 15:58:26,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:26,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:26,546 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:26,547 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:26,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:26,547 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:26,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-09-24 15:58:26,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:26,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 15:58:26,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:26,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:58:26,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:58:26,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-09-24 15:58:26,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:26,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:26,602 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:26,603 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:26,603 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:26,604 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:26,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:58:26,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:26,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:58:26,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:26,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:58:26,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:26,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-24 15:58:26,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:26,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:26,668 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:26,669 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:26,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:26,669 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:26,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:26,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:26,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:58:26,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:26,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:26,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:26,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:58:26,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:26,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:26,715 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:26,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:26,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:26,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:26,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:26,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:26,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:58:26,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:26,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:26,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:26,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:26,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:26,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:26,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:26,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:26,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:26,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:26,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:26,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:26,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:26,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:26,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:26,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:26,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:26,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:26,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:26,794 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:26,794 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:26,794 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:26,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:26,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:26,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:26,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:26,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:26,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:26,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:26,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:26,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:26,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:26,807 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:26,808 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:26,808 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:26,808 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:26,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:26,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:26,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:26,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:26,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:26,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:26,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:26,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:26,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:58:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:26,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:26,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:26,825 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:26,825 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:26,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:26,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:26,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:26,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:26,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:26,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:26,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:58:26,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:26,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:26,840 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:26,840 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:26,841 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:26,841 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:26,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:26,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:26,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:26,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:26,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:26,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:26,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:26,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:26,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:26,847 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:26,847 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:26,848 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:26,848 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:26,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:26,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:26,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:26,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:26,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:26,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:26,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:26,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:26,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 15:58:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:26,877 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-24 15:58:26,878 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:26,878 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:26,878 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:26,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:26,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:26,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:58:26,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:26,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:58:26,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:26,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:58:26,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:26,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:26,929 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:26,929 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:26,929 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:26,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:26,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:26,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:26,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:58:26,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:26,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:26,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:26,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:58:26,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:26,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:26,965 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:26,965 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:26,965 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:26,966 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:26,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:26,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:26,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:58:26,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:26,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:26,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:26,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:26,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:27,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:58:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:27,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:27,039 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:27,039 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:27,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:27,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:58:27,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:27,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:27,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:27,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:27,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-09-24 15:58:27,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:27,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:27,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:27,054 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:27,055 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:27,055 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:27,055 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:27,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:27,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:27,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:27,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:27,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:27,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:27,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:27,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:27,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:27,065 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:27,066 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:27,066 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:27,066 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:27,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:27,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:27,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:27,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:27,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:27,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:27,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:27,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:27,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:27,074 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:27,074 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:27,074 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:27,075 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:27,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:27,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:27,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:27,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:27,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:27,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:27,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:27,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:27,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:27,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:27,081 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:27,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:27,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:27,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:27,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:27,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:27,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:27,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:27,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:27,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:27,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:27,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:27,087 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:27,087 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:27,088 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:27,088 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:27,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:27,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:27,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:27,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:27,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:27,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:27,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:27,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:27,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:58:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:27,095 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:27,095 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:27,095 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:27,096 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:27,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:27,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:27,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:27,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:27,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:27,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:27,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:27,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:27,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:27,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:27,103 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:27,104 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:27,104 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:27,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:27,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:27,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:27,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:27,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:27,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:27,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:27,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:27,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:27,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:27,109 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:27,109 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:27,110 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:27,110 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:27,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:27,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:27,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:27,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:27,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:27,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:27,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:27,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:27,207 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 135 proven. 217 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2020-09-24 15:58:27,208 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2142060215] [2020-09-24 15:58:27,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:27,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-24 15:58:27,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415532281] [2020-09-24 15:58:27,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 15:58:27,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:27,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 15:58:27,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:58:27,211 INFO L87 Difference]: Start difference. First operand 119 states and 142 transitions. Second operand 12 states. [2020-09-24 15:58:27,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:27,608 INFO L93 Difference]: Finished difference Result 235 states and 294 transitions. [2020-09-24 15:58:27,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 15:58:27,608 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 210 [2020-09-24 15:58:27,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:27,610 INFO L225 Difference]: With dead ends: 235 [2020-09-24 15:58:27,610 INFO L226 Difference]: Without dead ends: 126 [2020-09-24 15:58:27,612 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:58:27,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-09-24 15:58:27,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2020-09-24 15:58:27,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-09-24 15:58:27,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 152 transitions. [2020-09-24 15:58:27,621 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 152 transitions. Word has length 210 [2020-09-24 15:58:27,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:27,622 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 152 transitions. [2020-09-24 15:58:27,622 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 15:58:27,622 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 152 transitions. [2020-09-24 15:58:27,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-09-24 15:58:27,625 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:58:27,626 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:58:27,626 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-24 15:58:27,626 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:58:27,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:58:27,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1117162661, now seen corresponding path program 4 times [2020-09-24 15:58:27,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:58:27,627 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1911995281] [2020-09-24 15:58:27,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:58:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:27,666 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:58:27,667 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:27,667 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:27,667 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:27,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-09-24 15:58:27,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:27,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:58:27,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:27,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:58:27,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:58:27,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-24 15:58:27,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:27,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:58:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:27,707 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:27,707 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:27,707 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:27,708 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:27,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:58:27,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:27,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:27,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:27,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:27,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:27,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:27,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:27,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 15:58:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:27,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:27,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:27,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:27,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:27,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-09-24 15:58:27,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:27,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 15:58:27,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:27,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:58:27,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 15:58:27,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 267 [2020-09-24 15:58:27,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:27,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:27,853 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:27,853 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:27,854 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:27,854 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:27,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-09-24 15:58:27,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:27,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:58:27,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:27,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:58:27,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:27,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-09-24 15:58:27,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:27,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:27,914 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:27,915 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:27,915 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:27,916 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:27,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:58:27,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:27,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:58:27,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:27,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:58:27,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:27,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-24 15:58:27,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:27,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:27,953 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:27,954 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:27,954 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:27,954 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:27,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:27,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:27,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:58:27,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:27,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:58:27,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:27,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-24 15:58:27,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:28,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:28,011 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:28,012 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:28,012 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:28,012 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:28,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:28,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:28,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:58:28,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:28,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:58:28,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:28,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 15:58:28,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:28,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:28,041 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:28,041 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:28,041 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:28,042 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:28,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:28,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:28,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:28,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:28,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:28,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:28,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:28,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:28,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:28,048 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:28,048 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:28,048 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:28,049 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:28,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:28,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:28,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:28,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:28,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:28,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:28,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:58:28,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:28,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:28,055 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:28,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:28,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:28,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:28,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:28,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:28,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:28,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:28,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:28,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:28,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:58:28,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:28,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:58:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:28,065 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:28,066 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:28,066 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:28,066 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:28,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:28,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:28,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:28,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:28,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:28,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:28,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:58:28,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:28,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:28,074 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:28,074 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:28,074 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:28,074 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:28,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:28,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:28,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:28,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:28,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:28,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:28,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:28,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:28,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:28,080 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:28,080 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:28,080 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:28,080 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:28,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:28,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:28,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:28,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:28,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:28,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:28,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:28,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:28,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-24 15:58:28,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:28,094 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:28,094 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:28,094 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:28,095 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:28,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:28,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:28,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:28,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:28,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:28,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:28,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-24 15:58:28,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:58:28,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:28,104 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:28,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:28,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:28,105 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:28,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:28,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:28,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:28,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:28,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:28,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:28,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:28,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:28,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:28,112 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:28,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:28,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:28,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:28,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:28,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:28,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:28,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:28,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:28,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:28,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:28,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:28,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:28,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:28,117 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:28,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:28,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:28,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:28,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:28,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:28,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:28,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:28,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:28,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:28,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:28,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:28,123 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:28,123 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:28,123 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:28,123 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:28,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:28,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:28,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:28,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:28,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:28,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:28,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:28,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:28,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:58:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:28,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:28,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:28,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:28,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:28,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:58:28,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:28,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:28,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:28,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:58:28,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:28,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-09-24 15:58:28,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:28,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:28,162 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:28,163 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:28,163 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:28,163 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:28,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:58:28,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:28,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:28,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:28,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:28,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:28,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:28,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:28,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:28,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:28,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:28,172 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:28,173 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:28,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:28,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:28,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:28,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:28,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:28,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:28,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:28,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:28,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:28,180 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:28,180 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:28,180 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:28,181 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:28,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:28,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:28,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:28,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:28,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:28,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:28,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:28,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:28,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:28,186 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:28,186 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:28,186 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:28,186 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:28,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:28,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:28,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:28,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:28,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:28,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:28,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:28,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:28,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 15:58:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:28,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:28,192 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:28,192 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:28,192 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:28,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:28,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:28,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:28,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:28,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:28,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:28,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:28,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:28,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-24 15:58:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:28,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:28,198 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:28,198 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:28,199 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:28,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 15:58:28,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:28,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:58:28,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:28,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:28,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:28,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:28,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:28,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:58:28,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:28,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:28,205 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:28,205 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:28,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:28,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:58:28,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:28,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:28,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:28,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:28,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:28,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:28,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:28,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-24 15:58:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:58:28,210 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:58:28,210 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:58:28,211 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:58:28,211 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:58:28,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:58:28,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:58:28,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:58:28,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:58:28,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:58:28,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:58:28,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:58:28,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:58:28,282 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 98 proven. 246 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2020-09-24 15:58:28,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1911995281] [2020-09-24 15:58:28,283 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:58:28,283 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-24 15:58:28,283 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602146316] [2020-09-24 15:58:28,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:58:28,284 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:58:28,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:58:28,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:58:28,285 INFO L87 Difference]: Start difference. First operand 126 states and 152 transitions. Second operand 11 states. [2020-09-24 15:58:28,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:58:28,527 INFO L93 Difference]: Finished difference Result 147 states and 181 transitions. [2020-09-24 15:58:28,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 15:58:28,528 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 228 [2020-09-24 15:58:28,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:58:28,529 INFO L225 Difference]: With dead ends: 147 [2020-09-24 15:58:28,529 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 15:58:28,531 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-09-24 15:58:28,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 15:58:28,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 15:58:28,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 15:58:28,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 15:58:28,533 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 228 [2020-09-24 15:58:28,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:58:28,533 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 15:58:28,533 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:58:28,533 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 15:58:28,533 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 15:58:28,534 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-24 15:58:28,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 15:58:31,086 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 19 [2020-09-24 15:58:31,492 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 23 [2020-09-24 15:58:31,498 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-09-24 15:58:31,499 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-24 15:58:31,499 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-24 15:58:31,499 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-24 15:58:31,499 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-24 15:58:31,499 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-24 15:58:31,500 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 39) no Hoare annotation was computed. [2020-09-24 15:58:31,500 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 35 42) the Hoare annotation is: true [2020-09-24 15:58:31,500 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 35 42) no Hoare annotation was computed. [2020-09-24 15:58:31,500 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 35 42) no Hoare annotation was computed. [2020-09-24 15:58:31,500 INFO L268 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-09-24 15:58:31,500 INFO L268 CegarLoopResult]: For program point L38(lines 38 40) no Hoare annotation was computed. [2020-09-24 15:58:31,501 INFO L264 CegarLoopResult]: At program point L37(line 37) the Hoare annotation is: (= main_~x~0 4) [2020-09-24 15:58:31,501 INFO L268 CegarLoopResult]: For program point L37-1(line 37) no Hoare annotation was computed. [2020-09-24 15:58:31,501 INFO L268 CegarLoopResult]: For program point L38-2(lines 38 40) no Hoare annotation was computed. [2020-09-24 15:58:31,501 INFO L268 CegarLoopResult]: For program point L37-2(line 37) no Hoare annotation was computed. [2020-09-24 15:58:31,501 INFO L268 CegarLoopResult]: For program point L37-3(line 37) no Hoare annotation was computed. [2020-09-24 15:58:31,501 INFO L271 CegarLoopResult]: At program point fibo2ENTRY(lines 17 25) the Hoare annotation is: true [2020-09-24 15:58:31,501 INFO L264 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: (and (= fibo2_~n |fibo2_#in~n|) (< 1 fibo2_~n)) [2020-09-24 15:58:31,501 INFO L268 CegarLoopResult]: For program point L23-1(line 23) no Hoare annotation was computed. [2020-09-24 15:58:31,502 INFO L268 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2020-09-24 15:58:31,502 INFO L264 CegarLoopResult]: At program point L23-2(line 23) the Hoare annotation is: (let ((.cse1 (<= |fibo2_#t~ret2| 1)) (.cse0 (= fibo2_~n |fibo2_#in~n|)) (.cse2 (<= 1 |fibo2_#t~ret2|))) (or (and (<= 4 fibo2_~n) .cse0) (and .cse1 .cse2 (< 1 fibo2_~n) (<= fibo2_~n |fibo2_#in~n|) (<= |fibo2_#in~n| 2)) (and (<= 3 fibo2_~n) .cse1 .cse0 .cse2))) [2020-09-24 15:58:31,502 INFO L268 CegarLoopResult]: For program point L20(lines 20 24) no Hoare annotation was computed. [2020-09-24 15:58:31,502 INFO L268 CegarLoopResult]: For program point L23-3(line 23) no Hoare annotation was computed. [2020-09-24 15:58:31,502 INFO L268 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed. [2020-09-24 15:58:31,502 INFO L268 CegarLoopResult]: For program point L23-4(line 23) no Hoare annotation was computed. [2020-09-24 15:58:31,502 INFO L268 CegarLoopResult]: For program point L18(lines 18 24) no Hoare annotation was computed. [2020-09-24 15:58:31,503 INFO L268 CegarLoopResult]: For program point L23-5(line 23) no Hoare annotation was computed. [2020-09-24 15:58:31,503 INFO L268 CegarLoopResult]: For program point L23-6(line 23) no Hoare annotation was computed. [2020-09-24 15:58:31,504 INFO L268 CegarLoopResult]: For program point fibo2FINAL(lines 17 25) no Hoare annotation was computed. [2020-09-24 15:58:31,504 INFO L268 CegarLoopResult]: For program point fibo2EXIT(lines 17 25) no Hoare annotation was computed. [2020-09-24 15:58:31,504 INFO L271 CegarLoopResult]: At program point fibo1ENTRY(lines 7 15) the Hoare annotation is: true [2020-09-24 15:58:31,504 INFO L264 CegarLoopResult]: At program point L13(line 13) the Hoare annotation is: (and (not (<= |fibo1_#in~n| 2)) (= fibo1_~n |fibo1_#in~n|)) [2020-09-24 15:58:31,505 INFO L268 CegarLoopResult]: For program point L13-1(line 13) no Hoare annotation was computed. [2020-09-24 15:58:31,505 INFO L268 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-09-24 15:58:31,505 INFO L264 CegarLoopResult]: At program point L13-2(line 13) the Hoare annotation is: (and (or (and (= |fibo1_#t~ret0| 1) (= fibo1_~n 2)) (not (<= |fibo1_#in~n| 2))) (let ((.cse0 (= fibo1_~n |fibo1_#in~n|))) (or (and (<= |fibo1_#in~n| 3) .cse0) (and (<= 2 |fibo1_#t~ret0|) (<= |fibo1_#t~ret0| 2) .cse0) (and (<= 5 |fibo1_#in~n|) .cse0)))) [2020-09-24 15:58:31,505 INFO L268 CegarLoopResult]: For program point fibo1FINAL(lines 7 15) no Hoare annotation was computed. [2020-09-24 15:58:31,505 INFO L268 CegarLoopResult]: For program point L10(lines 10 14) no Hoare annotation was computed. [2020-09-24 15:58:31,506 INFO L268 CegarLoopResult]: For program point L13-3(line 13) no Hoare annotation was computed. [2020-09-24 15:58:31,506 INFO L268 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed. [2020-09-24 15:58:31,506 INFO L268 CegarLoopResult]: For program point L13-4(line 13) no Hoare annotation was computed. [2020-09-24 15:58:31,506 INFO L268 CegarLoopResult]: For program point L8(lines 8 14) no Hoare annotation was computed. [2020-09-24 15:58:31,506 INFO L268 CegarLoopResult]: For program point L13-5(line 13) no Hoare annotation was computed. [2020-09-24 15:58:31,506 INFO L268 CegarLoopResult]: For program point L13-6(line 13) no Hoare annotation was computed. [2020-09-24 15:58:31,507 INFO L268 CegarLoopResult]: For program point fibo1EXIT(lines 7 15) no Hoare annotation was computed. [2020-09-24 15:58:31,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 03:58:31 BoogieIcfgContainer [2020-09-24 15:58:31,515 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 15:58:31,517 INFO L168 Benchmark]: Toolchain (without parser) took 15414.65 ms. Allocated memory was 140.5 MB in the beginning and 481.3 MB in the end (delta: 340.8 MB). Free memory was 102.6 MB in the beginning and 202.8 MB in the end (delta: -100.2 MB). Peak memory consumption was 278.5 MB. Max. memory is 7.1 GB. [2020-09-24 15:58:31,523 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-09-24 15:58:31,527 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.89 ms. Allocated memory is still 140.5 MB. Free memory was 101.7 MB in the beginning and 92.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2020-09-24 15:58:31,531 INFO L168 Benchmark]: Boogie Preprocessor took 123.17 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 92.3 MB in the beginning and 182.8 MB in the end (delta: -90.5 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2020-09-24 15:58:31,531 INFO L168 Benchmark]: RCFGBuilder took 348.00 ms. Allocated memory is still 203.9 MB. Free memory was 182.8 MB in the beginning and 169.1 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. [2020-09-24 15:58:31,534 INFO L168 Benchmark]: TraceAbstraction took 14623.83 ms. Allocated memory was 203.9 MB in the beginning and 481.3 MB in the end (delta: 277.3 MB). Free memory was 168.2 MB in the beginning and 202.8 MB in the end (delta: -34.6 MB). Peak memory consumption was 280.7 MB. Max. memory is 7.1 GB. [2020-09-24 15:58:31,538 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 309.89 ms. Allocated memory is still 140.5 MB. Free memory was 101.7 MB in the beginning and 92.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.17 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 92.3 MB in the beginning and 182.8 MB in the end (delta: -90.5 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 348.00 ms. Allocated memory is still 203.9 MB. Free memory was 182.8 MB in the beginning and 169.1 MB in the end (delta: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14623.83 ms. Allocated memory was 203.9 MB in the beginning and 481.3 MB in the end (delta: 277.3 MB). Free memory was 168.2 MB in the beginning and 202.8 MB in the end (delta: -34.6 MB). Peak memory consumption was 280.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 39]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.5s, OverallIterations: 16, TraceHistogramMax: 13, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 703 SDtfs, 803 SDslu, 3965 SDs, 0 SdLazy, 2449 SolverSat, 290 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 572 GetRequests, 364 SyntacticMatches, 5 SemanticMatches, 203 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=162occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 140 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 389 PreInvPairs, 587 NumberOfFragments, 99 HoareAnnotationTreeSize, 389 FomulaSimplifications, 8013 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 11 FomulaSimplificationsInter, 3930 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 1409 NumberOfCodeBlocks, 1409 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1393 ConstructedInterpolants, 0 QuantifiedInterpolants, 469876 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 1952/2851 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...