/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/Addition03-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:56:39,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:56:39,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:56:39,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:56:39,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:56:39,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:56:39,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:56:39,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:56:39,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:56:39,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:56:39,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:56:39,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:56:39,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:56:39,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:56:39,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:56:39,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:56:39,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:56:39,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:56:39,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:56:39,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:56:39,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:56:39,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:56:39,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:56:39,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:56:39,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:56:39,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:56:39,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:56:39,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:56:39,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:56:39,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:56:39,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:56:39,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:56:39,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:56:39,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:56:39,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:56:39,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:56:39,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:56:39,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:56:39,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:56:39,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:56:39,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:56:39,962 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 15:56:40,008 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:56:40,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:56:40,010 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:56:40,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:56:40,011 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:56:40,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:56:40,012 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:56:40,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:56:40,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:56:40,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:56:40,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:56:40,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:56:40,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:56:40,014 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:56:40,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:56:40,015 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:56:40,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:56:40,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:56:40,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:56:40,016 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:56:40,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:56:40,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:56:40,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:56:40,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:56:40,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:56:40,017 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:56:40,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:56:40,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:56:40,018 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:56:40,018 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 15:56:40,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:56:40,593 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:56:40,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:56:40,600 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:56:40,601 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:56:40,603 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Addition03-1.c [2020-09-24 15:56:40,700 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6e5bff94/43be9025c0f84d308e61445b7928131a/FLAG7ab013b9d [2020-09-24 15:56:41,271 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:56:41,272 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive/Addition03-1.c [2020-09-24 15:56:41,281 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6e5bff94/43be9025c0f84d308e61445b7928131a/FLAG7ab013b9d [2020-09-24 15:56:41,618 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6e5bff94/43be9025c0f84d308e61445b7928131a [2020-09-24 15:56:41,633 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:56:41,639 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:56:41,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:56:41,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:56:41,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:56:41,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:56:41" (1/1) ... [2020-09-24 15:56:41,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55e164ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:41, skipping insertion in model container [2020-09-24 15:56:41,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:56:41" (1/1) ... [2020-09-24 15:56:41,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:56:41,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:56:41,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:56:41,907 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:56:41,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:56:41,946 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:56:41,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:41 WrapperNode [2020-09-24 15:56:41,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:56:41,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:56:41,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:56:41,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:56:41,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:41" (1/1) ... [2020-09-24 15:56:41,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:41" (1/1) ... [2020-09-24 15:56:41,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:41" (1/1) ... [2020-09-24 15:56:41,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:41" (1/1) ... [2020-09-24 15:56:41,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:41" (1/1) ... [2020-09-24 15:56:41,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:41" (1/1) ... [2020-09-24 15:56:41,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:41" (1/1) ... [2020-09-24 15:56:41,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:56:41,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:56:41,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:56:41,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:56:41,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:41" (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 15:56:42,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:56:42,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:56:42,164 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2020-09-24 15:56:42,165 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:56:42,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:56:42,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:56:42,166 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2020-09-24 15:56:42,166 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:56:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:56:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:56:42,419 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:56:42,420 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 15:56:42,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:56:42 BoogieIcfgContainer [2020-09-24 15:56:42,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:56:42,429 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:56:42,429 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:56:42,434 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:56:42,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:56:41" (1/3) ... [2020-09-24 15:56:42,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34644416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:56:42, skipping insertion in model container [2020-09-24 15:56:42,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:56:41" (2/3) ... [2020-09-24 15:56:42,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34644416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:56:42, skipping insertion in model container [2020-09-24 15:56:42,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:56:42" (3/3) ... [2020-09-24 15:56:42,441 INFO L109 eAbstractionObserver]: Analyzing ICFG Addition03-1.c [2020-09-24 15:56:42,458 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:56:42,469 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:56:42,497 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:56:42,534 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:56:42,535 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:56:42,535 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:56:42,535 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:56:42,535 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:56:42,535 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:56:42,535 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:56:42,536 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:56:42,563 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-09-24 15:56:42,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-09-24 15:56:42,573 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:42,574 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:42,575 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:42,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:42,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1218957033, now seen corresponding path program 1 times [2020-09-24 15:56:42,592 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:42,592 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1445365984] [2020-09-24 15:56:42,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:42,762 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:42,762 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:42,762 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:42,762 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:42,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 15:56:42,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:42,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 15:56:42,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:42,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:56:42,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 15:56:42,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 15:56:42,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:42,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:42,832 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:42,833 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:42,833 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:42,833 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:42,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:42,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:42,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:56:42,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:42,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:42,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:42,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:42,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:42,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:56:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:42,857 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:42,857 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:42,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:42,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:42,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:42,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:42,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:56:42,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:42,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:56:42,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:42,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:42,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:42,942 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 15:56:42,943 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1445365984] [2020-09-24 15:56:42,945 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:56:42,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:56:42,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14961460] [2020-09-24 15:56:42,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:56:42,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:42,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:56:42,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:56:42,972 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 5 states. [2020-09-24 15:56:43,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:43,114 INFO L93 Difference]: Finished difference Result 53 states and 60 transitions. [2020-09-24 15:56:43,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:56:43,117 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-09-24 15:56:43,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:43,132 INFO L225 Difference]: With dead ends: 53 [2020-09-24 15:56:43,133 INFO L226 Difference]: Without dead ends: 35 [2020-09-24 15:56:43,137 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 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 15:56:43,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-09-24 15:56:43,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-09-24 15:56:43,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-09-24 15:56:43,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2020-09-24 15:56:43,199 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 22 [2020-09-24 15:56:43,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:43,200 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2020-09-24 15:56:43,200 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:56:43,200 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2020-09-24 15:56:43,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-09-24 15:56:43,204 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:43,204 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:43,204 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:56:43,205 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:43,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:43,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1947313727, now seen corresponding path program 1 times [2020-09-24 15:56:43,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:43,206 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1468526862] [2020-09-24 15:56:43,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:43,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:43,230 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:43,230 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:43,231 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:43,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-24 15:56:43,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:43,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:43,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:43,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 15:56:43,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-24 15:56:43,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:56:43,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:43,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:43,249 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:43,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:43,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:43,250 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:43,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:43,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:43,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:43,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:43,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:43,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:43,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:43,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:43,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:56:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:43,266 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:43,267 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:43,267 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:43,267 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:43,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 15:56:43,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:43,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:56:43,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:43,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 15:56:43,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 15:56:43,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:56:43,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:43,294 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 15:56:43,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1468526862] [2020-09-24 15:56:43,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:56:43,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:56:43,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633927996] [2020-09-24 15:56:43,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:56:43,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:43,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:56:43,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:56:43,299 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand 4 states. [2020-09-24 15:56:43,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:43,332 INFO L93 Difference]: Finished difference Result 51 states and 59 transitions. [2020-09-24 15:56:43,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:56:43,333 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-09-24 15:56:43,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:43,335 INFO L225 Difference]: With dead ends: 51 [2020-09-24 15:56:43,335 INFO L226 Difference]: Without dead ends: 37 [2020-09-24 15:56:43,337 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:56:43,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-09-24 15:56:43,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2020-09-24 15:56:43,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-09-24 15:56:43,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2020-09-24 15:56:43,347 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 23 [2020-09-24 15:56:43,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:43,348 INFO L479 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2020-09-24 15:56:43,348 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:56:43,348 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2020-09-24 15:56:43,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-09-24 15:56:43,350 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:43,350 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:43,350 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:56:43,351 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:43,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:43,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1438677315, now seen corresponding path program 1 times [2020-09-24 15:56:43,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:43,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1550819887] [2020-09-24 15:56:43,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:43,400 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:43,400 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:43,401 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:43,401 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:43,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:56:43,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:43,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 15:56:43,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:43,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:56:43,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 15:56:43,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:56:43,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:43,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:43,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:43,446 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:43,446 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:43,447 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:43,447 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:43,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:43,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:43,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:43,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:43,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:43,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:43,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:43,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:43,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:56:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:43,477 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:43,478 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:43,478 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:43,478 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:43,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:43,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:43,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:56:43,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:43,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:56:43,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:43,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:56:43,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:43,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:43,555 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:43,556 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:43,556 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:43,556 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:43,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:43,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:43,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 15:56:43,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:43,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:43,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:43,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:43,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:43,620 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 15:56:43,621 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1550819887] [2020-09-24 15:56:43,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:43,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-24 15:56:43,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182749488] [2020-09-24 15:56:43,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:56:43,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:43,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:56:43,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:56:43,624 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand 7 states. [2020-09-24 15:56:43,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:43,799 INFO L93 Difference]: Finished difference Result 79 states and 99 transitions. [2020-09-24 15:56:43,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 15:56:43,800 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2020-09-24 15:56:43,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:43,803 INFO L225 Difference]: With dead ends: 79 [2020-09-24 15:56:43,803 INFO L226 Difference]: Without dead ends: 51 [2020-09-24 15:56:43,804 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:56:43,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-09-24 15:56:43,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 49. [2020-09-24 15:56:43,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-09-24 15:56:43,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 57 transitions. [2020-09-24 15:56:43,818 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 57 transitions. Word has length 32 [2020-09-24 15:56:43,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:43,819 INFO L479 AbstractCegarLoop]: Abstraction has 49 states and 57 transitions. [2020-09-24 15:56:43,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:56:43,819 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2020-09-24 15:56:43,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-09-24 15:56:43,821 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:43,822 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-09-24 15:56:43,822 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:56:43,822 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:43,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:43,823 INFO L82 PathProgramCache]: Analyzing trace with hash 967575145, now seen corresponding path program 2 times [2020-09-24 15:56:43,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:43,824 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [195951775] [2020-09-24 15:56:43,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:43,889 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:43,890 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:43,890 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:43,890 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:43,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 15:56:43,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:43,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-24 15:56:43,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:43,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:56:43,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 15:56:43,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-24 15:56:43,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:43,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:43,919 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:43,919 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:43,919 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:43,920 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:43,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:43,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:43,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:43,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:43,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:43,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:43,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:43,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:43,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:56:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:43,955 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:43,956 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:43,956 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:43,956 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:43,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:56:43,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:43,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 15:56:43,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:43,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:56:43,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:43,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:56:43,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:43,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:44,013 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:44,014 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:44,014 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:44,014 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:44,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:44,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:44,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:56:44,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:44,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:44,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:44,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:56:44,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:44,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:44,048 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:44,049 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:44,049 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:44,049 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:44,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:44,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:44,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:56:44,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:44,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:44,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:44,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:44,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:44,083 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-24 15:56:44,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [195951775] [2020-09-24 15:56:44,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:44,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-24 15:56:44,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337983687] [2020-09-24 15:56:44,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:56:44,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:44,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:56:44,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:56:44,087 INFO L87 Difference]: Start difference. First operand 49 states and 57 transitions. Second operand 8 states. [2020-09-24 15:56:44,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:44,243 INFO L93 Difference]: Finished difference Result 67 states and 78 transitions. [2020-09-24 15:56:44,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 15:56:44,244 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2020-09-24 15:56:44,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:44,246 INFO L225 Difference]: With dead ends: 67 [2020-09-24 15:56:44,247 INFO L226 Difference]: Without dead ends: 61 [2020-09-24 15:56:44,248 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:56:44,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-09-24 15:56:44,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2020-09-24 15:56:44,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-09-24 15:56:44,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 72 transitions. [2020-09-24 15:56:44,260 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 72 transitions. Word has length 42 [2020-09-24 15:56:44,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:44,261 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 72 transitions. [2020-09-24 15:56:44,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:56:44,261 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 72 transitions. [2020-09-24 15:56:44,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-24 15:56:44,263 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:44,264 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:44,264 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:56:44,264 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:44,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:44,265 INFO L82 PathProgramCache]: Analyzing trace with hash -321617853, now seen corresponding path program 3 times [2020-09-24 15:56:44,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:44,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [455207677] [2020-09-24 15:56:44,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:44,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:44,314 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:44,315 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:44,315 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:44,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:44,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-24 15:56:44,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:44,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 15:56:44,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:44,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:56:44,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 15:56:44,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-24 15:56:44,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:44,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:44,344 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:44,344 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:44,344 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:44,344 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:44,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:44,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:44,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:44,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:44,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:44,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:44,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:44,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:44,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:56:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:44,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:44,396 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:44,396 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:44,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:44,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 15:56:44,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:44,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 15:56:44,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:44,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:56:44,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:44,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 15:56:44,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:44,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:44,454 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:44,454 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:44,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:44,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:44,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:56:44,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:44,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 15:56:44,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:44,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:56:44,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:44,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:56:44,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:44,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:44,500 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:44,501 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:44,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:44,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:44,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:44,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:44,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:56:44,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:44,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:44,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:44,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:56:44,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:44,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:44,532 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:44,533 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:44,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:44,533 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:44,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:44,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:44,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:56:44,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:44,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:44,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:44,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:44,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:44,559 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-09-24 15:56:44,559 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [455207677] [2020-09-24 15:56:44,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:44,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-24 15:56:44,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007814409] [2020-09-24 15:56:44,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:56:44,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:44,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:56:44,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:56:44,562 INFO L87 Difference]: Start difference. First operand 61 states and 72 transitions. Second operand 9 states. [2020-09-24 15:56:44,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:44,731 INFO L93 Difference]: Finished difference Result 77 states and 89 transitions. [2020-09-24 15:56:44,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 15:56:44,732 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2020-09-24 15:56:44,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:44,734 INFO L225 Difference]: With dead ends: 77 [2020-09-24 15:56:44,734 INFO L226 Difference]: Without dead ends: 71 [2020-09-24 15:56:44,736 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-09-24 15:56:44,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-09-24 15:56:44,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 59. [2020-09-24 15:56:44,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-09-24 15:56:44,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 67 transitions. [2020-09-24 15:56:44,748 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 67 transitions. Word has length 52 [2020-09-24 15:56:44,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:44,749 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 67 transitions. [2020-09-24 15:56:44,749 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:56:44,750 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 67 transitions. [2020-09-24 15:56:44,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-09-24 15:56:44,752 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:44,752 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:44,753 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:56:44,753 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:44,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:44,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1776668137, now seen corresponding path program 4 times [2020-09-24 15:56:44,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:44,754 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [484209776] [2020-09-24 15:56:44,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:44,816 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:44,816 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:44,816 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:44,817 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:44,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:56:44,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:44,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 15:56:44,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:44,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:56:44,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 15:56:44,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-09-24 15:56:44,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:44,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:44,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:44,868 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:44,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:44,869 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:44,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:44,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:44,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:44,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:44,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:44,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:44,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:44,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:44,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:56:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:44,918 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:44,918 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:44,918 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:44,919 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:44,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 15:56:44,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:44,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 15:56:44,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:44,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:56:44,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:44,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:56:44,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:44,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:44,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:44,985 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:44,986 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:44,986 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:44,986 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:44,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 15:56:44,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:44,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:56:44,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:44,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:56:44,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:44,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 15:56:44,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:45,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:45,032 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:45,032 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:45,033 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:45,033 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:45,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:56:45,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:45,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 15:56:45,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:45,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:56:45,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:45,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:56:45,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:45,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:45,085 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:45,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:45,086 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:45,086 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:45,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:45,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:45,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:56:45,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:45,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:45,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:45,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:56:45,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:45,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:45,136 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:45,137 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:45,137 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:45,137 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:45,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:45,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:45,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:56:45,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:45,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:45,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:45,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:45,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:45,203 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 9 proven. 47 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-09-24 15:56:45,203 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [484209776] [2020-09-24 15:56:45,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:45,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-24 15:56:45,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560758899] [2020-09-24 15:56:45,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:56:45,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:45,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:56:45,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:56:45,206 INFO L87 Difference]: Start difference. First operand 59 states and 67 transitions. Second operand 11 states. [2020-09-24 15:56:45,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:45,432 INFO L93 Difference]: Finished difference Result 87 states and 98 transitions. [2020-09-24 15:56:45,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:56:45,433 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 62 [2020-09-24 15:56:45,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:45,435 INFO L225 Difference]: With dead ends: 87 [2020-09-24 15:56:45,435 INFO L226 Difference]: Without dead ends: 81 [2020-09-24 15:56:45,436 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2020-09-24 15:56:45,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-09-24 15:56:45,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 71. [2020-09-24 15:56:45,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-09-24 15:56:45,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 82 transitions. [2020-09-24 15:56:45,448 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 82 transitions. Word has length 62 [2020-09-24 15:56:45,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:45,449 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 82 transitions. [2020-09-24 15:56:45,449 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:56:45,449 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 82 transitions. [2020-09-24 15:56:45,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-09-24 15:56:45,453 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:45,453 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:45,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:56:45,453 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:45,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:45,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1043024061, now seen corresponding path program 5 times [2020-09-24 15:56:45,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:45,454 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [207538145] [2020-09-24 15:56:45,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:45,516 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:45,516 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:45,517 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:45,517 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:45,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-24 15:56:45,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:45,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-24 15:56:45,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:45,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:56:45,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 15:56:45,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-24 15:56:45,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:45,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:45,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:45,544 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:45,544 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:45,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:45,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:45,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:45,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:45,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:45,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:45,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:45,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:45,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:45,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:45,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:56:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:45,600 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:45,600 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:45,601 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:45,601 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:45,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:56:45,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:45,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 15:56:45,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:45,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:56:45,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:45,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-24 15:56:45,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:45,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:45,677 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:45,677 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:45,677 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:45,677 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:45,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 15:56:45,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:45,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 15:56:45,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:45,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:56:45,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:45,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:56:45,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:45,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:45,747 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:45,747 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:45,748 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:45,748 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:45,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 15:56:45,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:45,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:56:45,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:45,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:56:45,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:45,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 15:56:45,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:45,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:45,817 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:45,818 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:45,818 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:45,818 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:45,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:56:45,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:45,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 15:56:45,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:45,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:56:45,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:45,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:56:45,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:45,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:45,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:45,857 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:45,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:45,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:45,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:45,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:45,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:56:45,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:45,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:45,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:45,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:56:45,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:45,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:45,886 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:45,886 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:45,887 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:45,887 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:45,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:45,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:45,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:45,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:45,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:45,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:45,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:45,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:45,924 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 9 proven. 72 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-09-24 15:56:45,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [207538145] [2020-09-24 15:56:45,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:45,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-24 15:56:45,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970291432] [2020-09-24 15:56:45,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:56:45,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:45,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:56:45,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:56:45,927 INFO L87 Difference]: Start difference. First operand 71 states and 82 transitions. Second operand 11 states. [2020-09-24 15:56:46,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:46,090 INFO L93 Difference]: Finished difference Result 97 states and 109 transitions. [2020-09-24 15:56:46,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 15:56:46,091 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 72 [2020-09-24 15:56:46,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:46,093 INFO L225 Difference]: With dead ends: 97 [2020-09-24 15:56:46,093 INFO L226 Difference]: Without dead ends: 91 [2020-09-24 15:56:46,094 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:56:46,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-09-24 15:56:46,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 69. [2020-09-24 15:56:46,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-09-24 15:56:46,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 77 transitions. [2020-09-24 15:56:46,104 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 77 transitions. Word has length 72 [2020-09-24 15:56:46,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:46,104 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 77 transitions. [2020-09-24 15:56:46,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:56:46,104 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2020-09-24 15:56:46,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-09-24 15:56:46,107 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:46,108 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:46,108 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:56:46,108 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:46,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:46,109 INFO L82 PathProgramCache]: Analyzing trace with hash -473356951, now seen corresponding path program 6 times [2020-09-24 15:56:46,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:46,109 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2122357185] [2020-09-24 15:56:46,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:46,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,193 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,194 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-09-24 15:56:46,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-24 15:56:46,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:56:46,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 15:56:46,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-24 15:56:46,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:46,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,235 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:46,235 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,235 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,236 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:46,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:46,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:46,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:46,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:46,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:46,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:56:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:46,332 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,332 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 15:56:46,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-24 15:56:46,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:56:46,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:46,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 15:56:46,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:46,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:46,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,427 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:46,427 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,427 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,428 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:56:46,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-24 15:56:46,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:56:46,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:46,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-24 15:56:46,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:46,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,512 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:46,512 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,513 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 15:56:46,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-24 15:56:46,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:56:46,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:46,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:56:46,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:46,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,580 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:46,580 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,580 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,581 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 15:56:46,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 15:56:46,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:56:46,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:46,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 15:56:46,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:46,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,638 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:46,638 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,638 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,639 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:56:46,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 15:56:46,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:56:46,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:46,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:56:46,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:46,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,717 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:46,717 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,717 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:46,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:56:46,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:46,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:46,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:56:46,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:46,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:46,749 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:46,750 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:46,750 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:46,750 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:46,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:46,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:46,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:46,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:46,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:46,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:46,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:46,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:46,792 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 12 proven. 101 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-09-24 15:56:46,792 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2122357185] [2020-09-24 15:56:46,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:46,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-24 15:56:46,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148497582] [2020-09-24 15:56:46,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 15:56:46,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:46,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 15:56:46,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:56:46,796 INFO L87 Difference]: Start difference. First operand 69 states and 77 transitions. Second operand 12 states. [2020-09-24 15:56:46,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:46,982 INFO L93 Difference]: Finished difference Result 80 states and 88 transitions. [2020-09-24 15:56:46,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 15:56:46,983 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 82 [2020-09-24 15:56:46,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:46,984 INFO L225 Difference]: With dead ends: 80 [2020-09-24 15:56:46,985 INFO L226 Difference]: Without dead ends: 74 [2020-09-24 15:56:46,985 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:56:46,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-09-24 15:56:47,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-09-24 15:56:47,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-09-24 15:56:47,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 82 transitions. [2020-09-24 15:56:47,005 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 82 transitions. Word has length 82 [2020-09-24 15:56:47,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:47,006 INFO L479 AbstractCegarLoop]: Abstraction has 74 states and 82 transitions. [2020-09-24 15:56:47,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 15:56:47,006 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2020-09-24 15:56:47,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-09-24 15:56:47,007 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:47,007 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:47,007 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:56:47,008 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:47,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:47,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1366105667, now seen corresponding path program 7 times [2020-09-24 15:56:47,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:47,009 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [61694642] [2020-09-24 15:56:47,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,109 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,110 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,110 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,110 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 115 [2020-09-24 15:56:47,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-09-24 15:56:47,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 15:56:47,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 15:56:47,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-24 15:56:47,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:47,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,147 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,147 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,148 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,148 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:47,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:47,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:47,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:47,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:47,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:47,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:56:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,241 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-24 15:56:47,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-24 15:56:47,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 15:56:47,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:47,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-24 15:56:47,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:47,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,352 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,352 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,352 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,352 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 15:56:47,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-24 15:56:47,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:56:47,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:47,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 15:56:47,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:47,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,432 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,433 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,433 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,433 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:56:47,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 15:56:47,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:56:47,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:47,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-24 15:56:47,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:47,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 15:56:47,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 15:56:47,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:56:47,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:47,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:56:47,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:47,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,585 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,586 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 15:56:47,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 15:56:47,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:56:47,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:47,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 15:56:47,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:47,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,651 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,651 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,652 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,652 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:56:47,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 15:56:47,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:56:47,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:47,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:56:47,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:56:47,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,711 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,712 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,712 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,713 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:47,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:56:47,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:47,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:47,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:56:47,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:47,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:47,753 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:47,754 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:47,754 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:47,754 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:47,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:47,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:47,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:47,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:47,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:47,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:47,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:47,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:47,818 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 12 proven. 146 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-09-24 15:56:47,819 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [61694642] [2020-09-24 15:56:47,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:47,820 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-24 15:56:47,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768255825] [2020-09-24 15:56:47,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 15:56:47,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:47,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 15:56:47,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-09-24 15:56:47,822 INFO L87 Difference]: Start difference. First operand 74 states and 82 transitions. Second operand 13 states. [2020-09-24 15:56:48,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:48,038 INFO L93 Difference]: Finished difference Result 117 states and 128 transitions. [2020-09-24 15:56:48,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:56:48,039 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 92 [2020-09-24 15:56:48,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:48,041 INFO L225 Difference]: With dead ends: 117 [2020-09-24 15:56:48,041 INFO L226 Difference]: Without dead ends: 111 [2020-09-24 15:56:48,042 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=272, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:56:48,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-09-24 15:56:48,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 86. [2020-09-24 15:56:48,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-09-24 15:56:48,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 97 transitions. [2020-09-24 15:56:48,051 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 97 transitions. Word has length 92 [2020-09-24 15:56:48,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:48,052 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 97 transitions. [2020-09-24 15:56:48,052 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-24 15:56:48,052 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2020-09-24 15:56:48,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-09-24 15:56:48,053 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:48,053 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:48,054 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:56:48,054 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:48,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:48,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1932915479, now seen corresponding path program 8 times [2020-09-24 15:56:48,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:48,055 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1283631834] [2020-09-24 15:56:48,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,162 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,162 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-09-24 15:56:48,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-24 15:56:48,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-24 15:56:48,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 15:56:48,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-24 15:56:48,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,192 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,193 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,193 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:48,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:48,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:48,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:48,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:56:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,294 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,294 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,294 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,295 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-09-24 15:56:48,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-09-24 15:56:48,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-24 15:56:48,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-09-24 15:56:48,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,417 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,418 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,418 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,418 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-24 15:56:48,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-24 15:56:48,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:56:48,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-24 15:56:48,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,512 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,512 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,513 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,513 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 15:56:48,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-24 15:56:48,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:56:48,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 15:56:48,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:48,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,611 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,612 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,612 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,612 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:56:48,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-24 15:56:48,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:56:48,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-24 15:56:48,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,685 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,685 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,685 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,686 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 15:56:48,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 15:56:48,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:56:48,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:56:48,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,738 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,738 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,738 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 15:56:48,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 15:56:48,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:56:48,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 15:56:48,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:48,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,779 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,780 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,780 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,780 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:56:48,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:56:48,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:56:48,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:56:48,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:48,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,824 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,824 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,824 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,825 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:48,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:56:48,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:48,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:56:48,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:48,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:48,851 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:48,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:48,852 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:48,852 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:48,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:48,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:48,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:56:48,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:48,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:48,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:48,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:48,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:48,902 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 36 proven. 158 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2020-09-24 15:56:48,903 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1283631834] [2020-09-24 15:56:48,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:48,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-24 15:56:48,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071002296] [2020-09-24 15:56:48,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 15:56:48,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:48,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 15:56:48,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:56:48,905 INFO L87 Difference]: Start difference. First operand 86 states and 97 transitions. Second operand 14 states. [2020-09-24 15:56:49,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:49,097 INFO L93 Difference]: Finished difference Result 127 states and 139 transitions. [2020-09-24 15:56:49,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:56:49,098 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 102 [2020-09-24 15:56:49,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:49,100 INFO L225 Difference]: With dead ends: 127 [2020-09-24 15:56:49,100 INFO L226 Difference]: Without dead ends: 121 [2020-09-24 15:56:49,102 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=179, Invalid=327, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:56:49,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-09-24 15:56:49,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 84. [2020-09-24 15:56:49,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-09-24 15:56:49,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 92 transitions. [2020-09-24 15:56:49,111 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 92 transitions. Word has length 102 [2020-09-24 15:56:49,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:49,112 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 92 transitions. [2020-09-24 15:56:49,112 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 15:56:49,112 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions. [2020-09-24 15:56:49,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-09-24 15:56:49,113 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:49,114 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:49,114 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 15:56:49,114 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:49,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:49,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1924549309, now seen corresponding path program 9 times [2020-09-24 15:56:49,115 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:49,115 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [373143698] [2020-09-24 15:56:49,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:49,236 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:49,237 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:49,237 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:49,237 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:49,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-09-24 15:56:49,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:49,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-24 15:56:49,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:49,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-09-24 15:56:49,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 15:56:49,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-09-24 15:56:49,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:49,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:49,267 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:49,267 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:49,267 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:49,268 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:49,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:49,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:49,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:49,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:49,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:49,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:49,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:49,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:49,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:56:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:49,386 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:49,386 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:49,387 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:49,387 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:49,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-09-24 15:56:49,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:49,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-24 15:56:49,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:49,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-09-24 15:56:49,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:49,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-24 15:56:49,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:49,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:49,569 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:49,569 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:49,569 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:49,570 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:49,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-09-24 15:56:49,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:49,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-24 15:56:49,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:49,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:56:49,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:49,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-09-24 15:56:49,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:49,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:49,697 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:49,697 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:49,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:49,698 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:49,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-24 15:56:49,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:49,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-24 15:56:49,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:49,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:56:49,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:49,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-24 15:56:49,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:49,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:49,796 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:49,796 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:49,796 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:49,797 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:49,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 15:56:49,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:49,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-24 15:56:49,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:49,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:56:49,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:49,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 15:56:49,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:49,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:49,888 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:49,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:49,889 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:49,889 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:49,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:56:49,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:49,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-24 15:56:49,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:49,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:56:49,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:49,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-24 15:56:49,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:49,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:49,958 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:49,959 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:49,959 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:49,959 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:49,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 15:56:49,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:49,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 15:56:49,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:49,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:56:49,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:49,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:56:49,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:49,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:50,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:50,016 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:50,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:50,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:50,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 15:56:50,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:50,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 15:56:50,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:50,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:56:50,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:50,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 15:56:50,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:50,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:50,061 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:50,062 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:50,062 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:50,063 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:50,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:56:50,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:50,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 15:56:50,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:50,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:56:50,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:50,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:56:50,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:50,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:50,102 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:50,103 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:50,103 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:50,104 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:50,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:50,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:50,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:56:50,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:50,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:50,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:50,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:56:50,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:50,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:50,136 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:50,137 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:50,137 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:50,137 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:50,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:50,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:50,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:50,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:50,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:50,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:50,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:50,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:50,210 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 45 proven. 213 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-09-24 15:56:50,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [373143698] [2020-09-24 15:56:50,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:50,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 15:56:50,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683523174] [2020-09-24 15:56:50,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:56:50,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:50,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:56:50,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:56:50,213 INFO L87 Difference]: Start difference. First operand 84 states and 92 transitions. Second operand 15 states. [2020-09-24 15:56:50,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:50,452 INFO L93 Difference]: Finished difference Result 95 states and 103 transitions. [2020-09-24 15:56:50,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 15:56:50,453 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 112 [2020-09-24 15:56:50,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:50,454 INFO L225 Difference]: With dead ends: 95 [2020-09-24 15:56:50,455 INFO L226 Difference]: Without dead ends: 89 [2020-09-24 15:56:50,456 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=213, Invalid=387, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:56:50,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-09-24 15:56:50,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2020-09-24 15:56:50,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-09-24 15:56:50,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 97 transitions. [2020-09-24 15:56:50,467 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 97 transitions. Word has length 112 [2020-09-24 15:56:50,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:50,468 INFO L479 AbstractCegarLoop]: Abstraction has 89 states and 97 transitions. [2020-09-24 15:56:50,468 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 15:56:50,468 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 97 transitions. [2020-09-24 15:56:50,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-09-24 15:56:50,469 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:50,469 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:50,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 15:56:50,470 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:50,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:50,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1700562025, now seen corresponding path program 10 times [2020-09-24 15:56:50,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:50,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1239502258] [2020-09-24 15:56:50,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:50,648 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:50,649 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:50,649 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:50,649 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:50,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-09-24 15:56:50,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:50,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-24 15:56:50,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:50,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-09-24 15:56:50,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 15:56:50,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-09-24 15:56:50,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:50,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:50,681 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:50,682 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:50,682 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:50,682 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:50,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:50,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:50,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:50,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:50,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:50,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:50,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:50,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:50,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:56:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:50,835 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:50,836 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:50,836 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:50,836 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:50,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-09-24 15:56:50,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:50,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-09-24 15:56:50,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:50,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-09-24 15:56:50,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:50,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-09-24 15:56:50,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:50,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,015 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-09-24 15:56:51,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-24 15:56:51,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:56:51,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-24 15:56:51,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:51,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,156 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,156 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,157 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-09-24 15:56:51,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-24 15:56:51,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:56:51,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-09-24 15:56:51,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:51,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,270 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,271 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,271 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-24 15:56:51,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-24 15:56:51,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:56:51,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-24 15:56:51,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:51,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:51,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,369 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,369 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 15:56:51,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-24 15:56:51,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:56:51,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 15:56:51,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:51,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,451 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,452 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:56:51,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 15:56:51,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:56:51,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-24 15:56:51,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:51,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:51,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,535 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,535 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,535 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,536 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 15:56:51,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-24 15:56:51,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:56:51,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:56:51,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:51,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,604 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,604 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,604 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,605 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 15:56:51,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:56:51,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:56:51,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 15:56:51,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:51,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,646 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,647 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,647 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,647 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:56:51,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:56:51,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:56:51,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:56:51,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:51,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,687 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,688 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,688 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,688 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:51,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:56:51,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:51,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:56:51,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:51,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:51,722 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:51,722 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:51,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:51,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:51,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:51,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:51,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:51,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:51,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:51,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:51,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:51,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:51,841 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 39 proven. 282 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2020-09-24 15:56:51,842 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1239502258] [2020-09-24 15:56:51,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:51,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-24 15:56:51,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868141931] [2020-09-24 15:56:51,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-24 15:56:51,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:51,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-24 15:56:51,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2020-09-24 15:56:51,844 INFO L87 Difference]: Start difference. First operand 89 states and 97 transitions. Second operand 16 states. [2020-09-24 15:56:52,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:52,069 INFO L93 Difference]: Finished difference Result 100 states and 108 transitions. [2020-09-24 15:56:52,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 15:56:52,070 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 122 [2020-09-24 15:56:52,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:52,071 INFO L225 Difference]: With dead ends: 100 [2020-09-24 15:56:52,071 INFO L226 Difference]: Without dead ends: 94 [2020-09-24 15:56:52,072 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=250, Invalid=452, Unknown=0, NotChecked=0, Total=702 [2020-09-24 15:56:52,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-09-24 15:56:52,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2020-09-24 15:56:52,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-09-24 15:56:52,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 102 transitions. [2020-09-24 15:56:52,084 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 102 transitions. Word has length 122 [2020-09-24 15:56:52,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:52,084 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 102 transitions. [2020-09-24 15:56:52,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-24 15:56:52,085 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 102 transitions. [2020-09-24 15:56:52,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-09-24 15:56:52,088 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:52,088 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:52,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-24 15:56:52,089 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:52,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:52,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1676247997, now seen corresponding path program 11 times [2020-09-24 15:56:52,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:52,090 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [78631746] [2020-09-24 15:56:52,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:52,232 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:52,233 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:52,233 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:52,233 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:52,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-09-24 15:56:52,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:52,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-24 15:56:52,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:52,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-09-24 15:56:52,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 15:56:52,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-09-24 15:56:52,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:52,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:52,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:52,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:52,265 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:52,265 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:52,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:52,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:52,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:52,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:52,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:52,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:52,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:52,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:52,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:56:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:52,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:52,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:52,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:52,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:52,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 15:56:52,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:52,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-24 15:56:52,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:52,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-09-24 15:56:52,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:52,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 15:56:52,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:52,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:52,572 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:52,573 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:52,573 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:52,573 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:52,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-09-24 15:56:52,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:52,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-24 15:56:52,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:52,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:56:52,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:52,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-09-24 15:56:52,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:52,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:52,725 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:52,726 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:52,726 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:52,727 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:52,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-09-24 15:56:52,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:52,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-24 15:56:52,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:52,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:56:52,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:52,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-24 15:56:52,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:52,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:52,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:52,934 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:52,934 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:52,935 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:52,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-09-24 15:56:52,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:52,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-09-24 15:56:52,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:52,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:56:52,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:52,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-09-24 15:56:52,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:52,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,055 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:53,056 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,057 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-24 15:56:53,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-24 15:56:53,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:56:53,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-24 15:56:53,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:53,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:53,162 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,162 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,163 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 15:56:53,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-24 15:56:53,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:56:53,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 15:56:53,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:53,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:53,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,255 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:56:53,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-24 15:56:53,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:56:53,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-24 15:56:53,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:53,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:53,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 15:56:53,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:56:53,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:56:53,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:56:53,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:53,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,392 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:53,393 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,393 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,394 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 15:56:53,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 15:56:53,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:56:53,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 15:56:53,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:53,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,449 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:53,449 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,450 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,450 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:56:53,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 15:56:53,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:56:53,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:56:53,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:53,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,498 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:53,499 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,499 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,500 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:53,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:56:53,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:53,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:56:53,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:53,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:53,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:53,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:53,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:53,542 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:53,542 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:53,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:53,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:53,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:56:53,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:53,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:53,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:53,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:53,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:53,698 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 27 proven. 345 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2020-09-24 15:56:53,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [78631746] [2020-09-24 15:56:53,699 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:53,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-24 15:56:53,699 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896846266] [2020-09-24 15:56:53,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-24 15:56:53,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:53,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-24 15:56:53,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=174, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:56:53,701 INFO L87 Difference]: Start difference. First operand 94 states and 102 transitions. Second operand 17 states. [2020-09-24 15:56:54,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:54,004 INFO L93 Difference]: Finished difference Result 105 states and 113 transitions. [2020-09-24 15:56:54,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 15:56:54,007 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 132 [2020-09-24 15:56:54,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:54,009 INFO L225 Difference]: With dead ends: 105 [2020-09-24 15:56:54,011 INFO L226 Difference]: Without dead ends: 99 [2020-09-24 15:56:54,012 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=290, Invalid=522, Unknown=0, NotChecked=0, Total=812 [2020-09-24 15:56:54,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-09-24 15:56:54,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2020-09-24 15:56:54,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-09-24 15:56:54,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 107 transitions. [2020-09-24 15:56:54,027 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 107 transitions. Word has length 132 [2020-09-24 15:56:54,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:54,027 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 107 transitions. [2020-09-24 15:56:54,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-24 15:56:54,030 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 107 transitions. [2020-09-24 15:56:54,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 15:56:54,033 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:54,033 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:54,033 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-24 15:56:54,033 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:54,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:54,034 INFO L82 PathProgramCache]: Analyzing trace with hash -923497495, now seen corresponding path program 12 times [2020-09-24 15:56:54,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:54,035 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [894861458] [2020-09-24 15:56:54,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:54,242 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:54,243 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:54,243 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:54,243 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:54,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-09-24 15:56:54,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:54,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-09-24 15:56:54,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:54,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-24 15:56:54,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 15:56:54,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 156 [2020-09-24 15:56:54,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:54,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:54,306 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:54,306 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:54,306 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:54,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:54,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:54,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:54,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:54,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:54,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:54,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:54,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:54,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:54,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:56:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:54,489 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:54,490 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:54,490 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:54,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:54,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-09-24 15:56:54,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:54,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-09-24 15:56:54,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:54,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-09-24 15:56:54,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:54,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-09-24 15:56:54,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:54,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:54,692 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:54,693 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:54,693 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:54,693 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:54,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 15:56:54,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:54,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-09-24 15:56:54,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:54,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:56:54,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:54,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 15:56:54,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:54,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:54,869 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:54,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:54,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:54,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:54,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-09-24 15:56:54,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:54,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-24 15:56:54,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:54,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:56:54,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:54,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-09-24 15:56:54,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:54,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:55,014 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:55,014 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:55,015 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:55,015 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:55,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-09-24 15:56:55,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:55,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-24 15:56:55,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:55,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:56:55,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:55,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-24 15:56:55,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:55,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:55,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:55,152 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:55,152 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:55,152 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:55,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-09-24 15:56:55,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:55,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-24 15:56:55,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:55,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:56:55,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:55,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-09-24 15:56:55,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:55,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:55,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:55,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:55,265 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:55,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:55,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-24 15:56:55,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:55,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-24 15:56:55,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:55,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:56:55,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:55,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-24 15:56:55,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:55,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:55,355 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:55,356 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:55,356 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:55,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:55,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 15:56:55,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:55,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-24 15:56:55,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:55,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:56:55,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:55,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 15:56:55,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:55,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:55,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:55,462 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:55,462 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:55,462 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:55,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:56:55,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:55,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 15:56:55,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:55,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:56:55,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:55,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-24 15:56:55,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:55,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:55,529 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:55,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:55,530 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:55,530 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:55,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 15:56:55,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:55,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 15:56:55,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:55,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:56:55,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:55,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:56:55,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:55,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:55,587 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:55,587 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:55,588 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:55,588 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:55,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 15:56:55,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:55,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 15:56:55,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:55,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:56:55,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:55,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 15:56:55,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:55,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:55,641 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:55,642 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:55,642 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:55,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:55,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:56:55,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:55,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:56:55,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:55,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:56:55,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:55,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:56:55,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:55,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:55,684 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:55,685 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:55,685 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:55,685 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:55,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:55,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:55,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:56:55,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:55,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:55,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:55,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:56:55,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:55,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:55,717 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:55,718 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:55,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:55,719 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:55,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:55,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:55,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:56:55,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:55,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:55,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:55,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:55,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:55,875 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 6 proven. 410 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2020-09-24 15:56:55,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [894861458] [2020-09-24 15:56:55,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:55,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-24 15:56:55,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587463063] [2020-09-24 15:56:55,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-24 15:56:55,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:55,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-24 15:56:55,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=194, Unknown=0, NotChecked=0, Total=306 [2020-09-24 15:56:55,877 INFO L87 Difference]: Start difference. First operand 99 states and 107 transitions. Second operand 18 states. [2020-09-24 15:56:56,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:56,122 INFO L93 Difference]: Finished difference Result 110 states and 118 transitions. [2020-09-24 15:56:56,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:56:56,122 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 142 [2020-09-24 15:56:56,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:56,124 INFO L225 Difference]: With dead ends: 110 [2020-09-24 15:56:56,124 INFO L226 Difference]: Without dead ends: 104 [2020-09-24 15:56:56,126 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=333, Invalid=597, Unknown=0, NotChecked=0, Total=930 [2020-09-24 15:56:56,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-09-24 15:56:56,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-09-24 15:56:56,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-09-24 15:56:56,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 112 transitions. [2020-09-24 15:56:56,135 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 112 transitions. Word has length 142 [2020-09-24 15:56:56,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:56,135 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 112 transitions. [2020-09-24 15:56:56,135 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-24 15:56:56,136 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 112 transitions. [2020-09-24 15:56:56,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-24 15:56:56,139 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:56,139 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:56,140 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-24 15:56:56,140 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:56,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:56,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1719700669, now seen corresponding path program 13 times [2020-09-24 15:56:56,141 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:56,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1323800589] [2020-09-24 15:56:56,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:56,345 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:56,345 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:56,345 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:56,346 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:56,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-24 15:56:56,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:56,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-09-24 15:56:56,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:56,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-09-24 15:56:56,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 15:56:56,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 168 [2020-09-24 15:56:56,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:56,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:56,384 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:56,385 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:56,385 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:56,385 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:56,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:56,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:56,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:56,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:56,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:56,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:56,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:56,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:56,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:56:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:56,568 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:56,568 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:56,569 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:56,569 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:56,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-09-24 15:56:56,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:56,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-09-24 15:56:56,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:56,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-09-24 15:56:56,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:56,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-09-24 15:56:56,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:56,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:56,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:56,785 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:56,786 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:56,786 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:56,786 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:56,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-09-24 15:56:56,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:56,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-09-24 15:56:56,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:56,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:56:56,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:56,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-09-24 15:56:56,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:56,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:56,980 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:56,980 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:56,980 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:56,981 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:56,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 15:56:56,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:56,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-09-24 15:56:56,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:56,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:56:56,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:56,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 15:56:56,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:57,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:57,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:57,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:57,222 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:57,222 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:57,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-09-24 15:56:57,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:57,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-09-24 15:56:57,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:57,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:56:57,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:57,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-09-24 15:56:57,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:57,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:57,358 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:57,359 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:57,359 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:57,359 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:57,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-09-24 15:56:57,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:57,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-24 15:56:57,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:57,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:56:57,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:57,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-24 15:56:57,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:57,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:57,471 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:57,471 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:57,472 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:57,472 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:57,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-09-24 15:56:57,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:57,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-24 15:56:57,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:57,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:56:57,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:57,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-09-24 15:56:57,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:56:57,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:57,569 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:57,570 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:57,570 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:57,570 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:57,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-24 15:56:57,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:57,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-24 15:56:57,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:57,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:56:57,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:57,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-24 15:56:57,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:57,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:57,673 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:57,674 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:57,674 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:57,675 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:57,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 15:56:57,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:57,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-24 15:56:57,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:57,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:56:57,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:57,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 15:56:57,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:57,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:57,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:57,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:57,777 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:57,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:57,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:56:57,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:57,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 15:56:57,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:57,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:56:57,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:57,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-24 15:56:57,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:57,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:57,847 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:57,848 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:57,848 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:57,849 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:57,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 15:56:57,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:57,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 15:56:57,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:57,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:56:57,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:57,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:56:57,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:57,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:57,910 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:57,911 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:57,911 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:57,911 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:57,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 15:56:57,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:57,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 15:56:57,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:57,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:56:57,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:57,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 15:56:57,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:57,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:57,965 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:57,966 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:57,966 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:57,967 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:57,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:56:57,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:57,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:56:57,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:57,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:56:57,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:57,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:56:57,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:56:58,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:58,013 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:58,013 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:58,014 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:58,014 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:58,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:56:58,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:58,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:56:58,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:58,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:56:58,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:58,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:56:58,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:56:58,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:58,055 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:58,055 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:58,055 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:58,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:58,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:56:58,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:58,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:56:58,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:58,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:56:58,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:58,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:56:58,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:58,196 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 30 proven. 511 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2020-09-24 15:56:58,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1323800589] [2020-09-24 15:56:58,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:56:58,198 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-24 15:56:58,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612169611] [2020-09-24 15:56:58,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-24 15:56:58,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:56:58,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-24 15:56:58,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=215, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:56:58,201 INFO L87 Difference]: Start difference. First operand 104 states and 112 transitions. Second operand 19 states. [2020-09-24 15:56:58,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:56:58,476 INFO L93 Difference]: Finished difference Result 115 states and 123 transitions. [2020-09-24 15:56:58,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-24 15:56:58,477 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 152 [2020-09-24 15:56:58,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:56:58,478 INFO L225 Difference]: With dead ends: 115 [2020-09-24 15:56:58,478 INFO L226 Difference]: Without dead ends: 109 [2020-09-24 15:56:58,479 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=379, Invalid=677, Unknown=0, NotChecked=0, Total=1056 [2020-09-24 15:56:58,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-09-24 15:56:58,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2020-09-24 15:56:58,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-09-24 15:56:58,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 117 transitions. [2020-09-24 15:56:58,485 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 117 transitions. Word has length 152 [2020-09-24 15:56:58,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:56:58,486 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 117 transitions. [2020-09-24 15:56:58,486 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-24 15:56:58,486 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 117 transitions. [2020-09-24 15:56:58,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-24 15:56:58,488 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:56:58,488 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:56:58,488 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-24 15:56:58,488 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:56:58,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:56:58,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1375329431, now seen corresponding path program 14 times [2020-09-24 15:56:58,489 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:56:58,489 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [392708627] [2020-09-24 15:56:58,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:56:58,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:58,708 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:58,709 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:58,709 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:58,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:58,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 15:56:58,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:58,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 186 [2020-09-24 15:56:58,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:58,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-09-24 15:56:58,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 15:56:58,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-09-24 15:56:58,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:58,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:56:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:58,750 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:58,750 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:58,750 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:58,750 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:58,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:56:58,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:58,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:56:58,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:58,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:56:58,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:58,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:56:58,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:58,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:56:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:58,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:58,982 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:58,982 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:58,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:58,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-09-24 15:56:58,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:58,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-09-24 15:56:58,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:58,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-09-24 15:56:58,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:58,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 177 [2020-09-24 15:56:58,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:59,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,256 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,256 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,257 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-09-24 15:56:59,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-09-24 15:56:59,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 15:56:59,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-09-24 15:56:59,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:59,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,506 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-09-24 15:56:59,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-09-24 15:56:59,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:56:59,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-09-24 15:56:59,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:59,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,717 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 15:56:59,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-09-24 15:56:59,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:56:59,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 15:56:59,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:56:59,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:56:59,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:56:59,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:56:59,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:56:59,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:56:59,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-09-24 15:56:59,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:56:59,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-24 15:56:59,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:56:59,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:56:59,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:56:59,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-09-24 15:56:59,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:56:59,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:56:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:00,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:00,015 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:00,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:00,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:00,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-09-24 15:57:00,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:00,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-24 15:57:00,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:00,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:57:00,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:00,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-24 15:57:00,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:00,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:00,141 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:00,141 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:00,141 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:00,142 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:00,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-09-24 15:57:00,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:00,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-09-24 15:57:00,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:00,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:57:00,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:00,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-09-24 15:57:00,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:00,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:00,245 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:00,246 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:00,246 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:00,246 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:00,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-24 15:57:00,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:00,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-24 15:57:00,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:00,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:57:00,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:00,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-24 15:57:00,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:00,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:00,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:00,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:00,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:00,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:00,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 15:57:00,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:00,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-24 15:57:00,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:00,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:57:00,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:00,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 15:57:00,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:00,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:00,441 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:00,441 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:00,442 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:00,443 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:00,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:57:00,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:00,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-24 15:57:00,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:00,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:57:00,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:00,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-24 15:57:00,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:57:00,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:00,557 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:00,558 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:00,559 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:00,559 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:00,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 15:57:00,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:00,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 15:57:00,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:00,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:57:00,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:00,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:57:00,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:57:00,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:00,632 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:00,633 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:00,634 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:00,635 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:00,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 15:57:00,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:00,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 15:57:00,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:00,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:57:00,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:00,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 15:57:00,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:57:00,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:00,809 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:00,810 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:00,810 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:00,811 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:00,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:57:00,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:00,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-24 15:57:00,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:00,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:57:00,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:00,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:57:00,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:57:00,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:00,862 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:00,863 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:00,863 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:00,864 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:00,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:57:00,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:00,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:57:00,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:00,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:57:00,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:00,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:57:00,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:57:00,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:00,912 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:00,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:00,913 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:00,914 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:00,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:57:00,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:00,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:57:00,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:00,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:57:00,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:00,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:57:00,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:01,104 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 78 proven. 555 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2020-09-24 15:57:01,105 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [392708627] [2020-09-24 15:57:01,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:57:01,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-09-24 15:57:01,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856750071] [2020-09-24 15:57:01,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-09-24 15:57:01,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:57:01,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-09-24 15:57:01,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=237, Unknown=0, NotChecked=0, Total=380 [2020-09-24 15:57:01,110 INFO L87 Difference]: Start difference. First operand 109 states and 117 transitions. Second operand 20 states. [2020-09-24 15:57:01,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:57:01,420 INFO L93 Difference]: Finished difference Result 187 states and 198 transitions. [2020-09-24 15:57:01,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 15:57:01,420 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 162 [2020-09-24 15:57:01,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:57:01,422 INFO L225 Difference]: With dead ends: 187 [2020-09-24 15:57:01,422 INFO L226 Difference]: Without dead ends: 181 [2020-09-24 15:57:01,423 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=428, Invalid=762, Unknown=0, NotChecked=0, Total=1190 [2020-09-24 15:57:01,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2020-09-24 15:57:01,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 121. [2020-09-24 15:57:01,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-09-24 15:57:01,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 132 transitions. [2020-09-24 15:57:01,436 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 132 transitions. Word has length 162 [2020-09-24 15:57:01,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:57:01,438 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 132 transitions. [2020-09-24 15:57:01,438 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-09-24 15:57:01,438 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 132 transitions. [2020-09-24 15:57:01,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-09-24 15:57:01,441 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:57:01,441 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:57:01,441 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-24 15:57:01,441 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:57:01,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:57:01,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1446025795, now seen corresponding path program 15 times [2020-09-24 15:57:01,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:57:01,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [718503179] [2020-09-24 15:57:01,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:57:01,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:01,676 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:01,676 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:01,676 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:01,677 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:01,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 15:57:01,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:01,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-09-24 15:57:01,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:01,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-09-24 15:57:01,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 15:57:01,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 192 [2020-09-24 15:57:01,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:01,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:57:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:01,724 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:01,724 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:01,724 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:01,724 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:01,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:57:01,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:01,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:57:01,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:01,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:57:01,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:01,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:57:01,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:01,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:57:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:02,013 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:02,013 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:02,014 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:02,014 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:02,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-24 15:57:02,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:02,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 255 [2020-09-24 15:57:02,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:02,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-09-24 15:57:02,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:02,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-09-24 15:57:02,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:02,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:02,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:02,332 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:02,332 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:02,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:02,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-09-24 15:57:02,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:02,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-09-24 15:57:02,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:02,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 15:57:02,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:02,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 177 [2020-09-24 15:57:02,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:02,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:02,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:02,552 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:02,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:02,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:02,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-09-24 15:57:02,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:02,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-09-24 15:57:02,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:02,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 15:57:02,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:02,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-09-24 15:57:02,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:02,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:02,751 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:02,752 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:02,752 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:02,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:02,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-09-24 15:57:02,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:02,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-09-24 15:57:02,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:02,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:57:02,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:02,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-09-24 15:57:02,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:02,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:02,982 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:02,983 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:02,983 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:02,983 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:02,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 15:57:02,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:02,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-09-24 15:57:02,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:02,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:57:02,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:02,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 15:57:02,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:03,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:03,194 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:03,194 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:03,195 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:03,195 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:03,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-09-24 15:57:03,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:03,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-09-24 15:57:03,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:03,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:57:03,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:03,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-09-24 15:57:03,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:03,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:03,354 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:03,355 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:03,356 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:03,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:03,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-09-24 15:57:03,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:03,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-24 15:57:03,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:03,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:57:03,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:03,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-24 15:57:03,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:03,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:03,488 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:03,489 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:03,489 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:03,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:03,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-09-24 15:57:03,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:03,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-24 15:57:03,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:03,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:57:03,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:03,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-09-24 15:57:03,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:03,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:03,615 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:03,616 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:03,616 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:03,617 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:03,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-24 15:57:03,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:03,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-24 15:57:03,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:03,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:57:03,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:03,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-24 15:57:03,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:03,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:03,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:03,717 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:03,717 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:03,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:03,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 15:57:03,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:03,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 15:57:03,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:03,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:57:03,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:03,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 15:57:03,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:57:03,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:03,804 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:03,805 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:03,805 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:03,806 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:03,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:57:03,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:03,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 15:57:03,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:03,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:57:03,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:03,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-24 15:57:03,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:57:03,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:03,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:03,880 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:03,881 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:03,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:03,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 15:57:03,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:03,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:57:03,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:03,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:57:03,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:03,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:57:03,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:57:03,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:03,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:03,951 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:03,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:03,952 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:03,952 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:03,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 15:57:03,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:03,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 15:57:03,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:03,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:57:03,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:03,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 15:57:03,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:57:03,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:04,013 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:04,013 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:04,014 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:04,014 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:04,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:57:04,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:04,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 15:57:04,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:04,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:57:04,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:04,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:57:04,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:04,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:04,053 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:04,053 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:04,054 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:04,054 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:04,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:57:04,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:04,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:57:04,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:04,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:57:04,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:04,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:57:04,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:04,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:04,088 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:04,089 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:04,089 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:04,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:04,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:57:04,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:04,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:57:04,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:04,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:57:04,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:04,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:57:04,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:04,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 29 proven. 669 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2020-09-24 15:57:04,326 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [718503179] [2020-09-24 15:57:04,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:57:04,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-09-24 15:57:04,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461750115] [2020-09-24 15:57:04,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-24 15:57:04,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:57:04,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-24 15:57:04,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=260, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:57:04,329 INFO L87 Difference]: Start difference. First operand 121 states and 132 transitions. Second operand 21 states. [2020-09-24 15:57:04,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:57:04,657 INFO L93 Difference]: Finished difference Result 132 states and 143 transitions. [2020-09-24 15:57:04,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 15:57:04,658 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 172 [2020-09-24 15:57:04,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:57:04,659 INFO L225 Difference]: With dead ends: 132 [2020-09-24 15:57:04,659 INFO L226 Difference]: Without dead ends: 126 [2020-09-24 15:57:04,665 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=480, Invalid=852, Unknown=0, NotChecked=0, Total=1332 [2020-09-24 15:57:04,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-09-24 15:57:04,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2020-09-24 15:57:04,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-09-24 15:57:04,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 137 transitions. [2020-09-24 15:57:04,672 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 137 transitions. Word has length 172 [2020-09-24 15:57:04,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:57:04,673 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 137 transitions. [2020-09-24 15:57:04,673 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-09-24 15:57:04,673 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 137 transitions. [2020-09-24 15:57:04,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-09-24 15:57:04,675 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:57:04,675 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:57:04,675 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-24 15:57:04,675 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:57:04,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:57:04,676 INFO L82 PathProgramCache]: Analyzing trace with hash -435860759, now seen corresponding path program 16 times [2020-09-24 15:57:04,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:57:04,676 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [918324036] [2020-09-24 15:57:04,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:57:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:04,951 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:04,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:04,951 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:04,951 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:04,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-09-24 15:57:04,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:04,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240 [2020-09-24 15:57:04,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:04,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-09-24 15:57:04,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 15:57:04,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 204 [2020-09-24 15:57:04,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:04,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:57:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:04,994 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:04,994 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:04,994 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:04,994 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:04,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:57:04,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:04,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:57:04,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:04,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:57:05,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:05,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:57:05,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 15:57:05,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:57:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:05,251 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:05,251 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:05,252 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:05,252 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:05,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-09-24 15:57:05,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:05,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-09-24 15:57:05,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:05,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-09-24 15:57:05,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:05,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 201 [2020-09-24 15:57:05,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:05,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:05,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:05,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:05,538 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:05,539 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:05,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-24 15:57:05,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:05,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-09-24 15:57:05,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:05,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 15:57:05,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:05,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-09-24 15:57:05,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:05,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:05,783 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:05,784 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:05,784 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:05,784 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:05,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-09-24 15:57:05,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:05,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-09-24 15:57:05,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:05,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 15:57:05,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:05,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 177 [2020-09-24 15:57:05,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:05,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:06,052 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:06,053 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:06,053 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:06,053 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:06,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-09-24 15:57:06,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:06,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-09-24 15:57:06,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:06,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 15:57:06,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:06,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-09-24 15:57:06,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:06,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:06,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:06,231 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:06,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:06,231 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:06,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-09-24 15:57:06,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:06,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-24 15:57:06,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:06,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:57:06,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:06,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-09-24 15:57:06,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:06,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:06,408 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:06,408 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:06,409 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:06,409 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:06,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 15:57:06,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:06,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-24 15:57:06,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:06,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:57:06,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:06,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 15:57:06,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:06,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:06,549 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:06,550 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:06,550 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:06,550 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:06,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-09-24 15:57:06,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:06,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-24 15:57:06,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:06,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:57:06,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:06,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-09-24 15:57:06,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:06,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:06,670 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:06,670 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:06,670 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:06,671 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:06,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-09-24 15:57:06,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:06,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-24 15:57:06,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:06,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:57:06,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:06,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-24 15:57:06,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:06,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:06,777 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:06,777 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:06,778 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:06,778 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:06,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-09-24 15:57:06,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:06,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-24 15:57:06,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:06,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:57:06,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:06,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-09-24 15:57:06,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:06,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:06,877 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:06,877 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:06,877 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:06,878 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:06,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-24 15:57:06,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:06,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-24 15:57:06,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:06,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:57:06,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:06,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-24 15:57:06,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:06,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:06,968 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:06,968 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:06,968 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:06,969 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:06,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 15:57:06,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:06,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-24 15:57:06,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:06,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:57:06,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:06,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 15:57:06,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:07,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:07,039 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:07,039 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:07,039 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:07,040 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:07,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:57:07,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:07,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 15:57:07,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:07,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:57:07,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:07,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-24 15:57:07,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:07,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:07,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:07,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:07,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:07,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:07,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 15:57:07,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:07,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 15:57:07,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:07,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:57:07,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:07,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:57:07,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:07,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:07,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:07,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:07,168 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:07,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:07,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 15:57:07,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:07,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 15:57:07,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:07,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:57:07,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:07,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 15:57:07,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:07,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:07,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:07,214 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:07,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:07,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:07,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:57:07,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:07,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:57:07,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:07,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:57:07,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:07,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:57:07,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:07,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:07,253 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:07,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:07,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:07,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:07,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:57:07,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:07,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:57:07,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:07,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:57:07,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:07,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:57:07,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:07,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:07,317 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:07,320 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:07,320 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:07,321 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:07,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:57:07,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:07,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:57:07,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:07,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:57:07,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:07,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:57:07,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:07,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1280 backedges. 43 proven. 806 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2020-09-24 15:57:07,555 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [918324036] [2020-09-24 15:57:07,555 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:57:07,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-24 15:57:07,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822922251] [2020-09-24 15:57:07,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-24 15:57:07,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:57:07,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-24 15:57:07,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=322, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:57:07,558 INFO L87 Difference]: Start difference. First operand 126 states and 137 transitions. Second operand 23 states. [2020-09-24 15:57:07,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:57:07,954 INFO L93 Difference]: Finished difference Result 137 states and 148 transitions. [2020-09-24 15:57:07,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-24 15:57:07,955 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 182 [2020-09-24 15:57:07,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:57:07,957 INFO L225 Difference]: With dead ends: 137 [2020-09-24 15:57:07,958 INFO L226 Difference]: Without dead ends: 131 [2020-09-24 15:57:07,959 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=558, Invalid=1002, Unknown=0, NotChecked=0, Total=1560 [2020-09-24 15:57:07,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-09-24 15:57:07,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-09-24 15:57:07,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-09-24 15:57:07,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 142 transitions. [2020-09-24 15:57:07,966 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 142 transitions. Word has length 182 [2020-09-24 15:57:07,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:57:07,966 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 142 transitions. [2020-09-24 15:57:07,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-24 15:57:07,966 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 142 transitions. [2020-09-24 15:57:07,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-24 15:57:07,968 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:57:07,969 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:57:07,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-24 15:57:07,969 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:57:07,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:57:07,970 INFO L82 PathProgramCache]: Analyzing trace with hash 399896899, now seen corresponding path program 17 times [2020-09-24 15:57:07,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:57:07,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [11194563] [2020-09-24 15:57:07,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:57:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:08,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:08,229 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:08,229 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:08,229 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:08,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-09-24 15:57:08,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:08,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-09-24 15:57:08,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:08,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-09-24 15:57:08,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 15:57:08,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 216 [2020-09-24 15:57:08,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:08,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:57:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:08,277 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:08,277 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:08,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:08,278 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:08,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:57:08,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:08,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:57:08,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:08,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:57:08,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:08,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:57:08,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:08,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:57:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:08,526 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:08,527 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:08,527 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:08,527 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:08,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-24 15:57:08,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:08,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-09-24 15:57:08,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:08,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-09-24 15:57:08,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:08,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 213 [2020-09-24 15:57:08,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:08,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:08,834 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:08,835 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:08,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:08,835 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:08,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-09-24 15:57:08,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:08,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-09-24 15:57:08,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:08,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-24 15:57:08,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:08,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 201 [2020-09-24 15:57:08,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:08,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:09,141 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:09,142 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:09,142 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:09,142 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:09,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-24 15:57:09,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:09,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-09-24 15:57:09,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:09,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 15:57:09,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:09,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-09-24 15:57:09,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:09,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:09,367 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:09,368 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:09,368 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:09,368 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:09,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-09-24 15:57:09,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:09,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-09-24 15:57:09,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:09,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 15:57:09,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:09,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 177 [2020-09-24 15:57:09,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:09,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:09,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:09,579 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:09,579 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:09,579 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:09,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-09-24 15:57:09,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:09,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-09-24 15:57:09,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:09,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 15:57:09,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:09,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-09-24 15:57:09,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:09,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:09,786 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:09,787 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:09,787 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:09,788 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:09,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-09-24 15:57:09,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:09,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-09-24 15:57:09,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:09,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:57:09,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:09,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-09-24 15:57:09,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 62 [2020-09-24 15:57:09,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:10,033 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:10,034 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:10,034 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:10,034 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:10,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 15:57:10,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:10,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-24 15:57:10,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:10,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:57:10,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:10,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 15:57:10,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:10,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:10,173 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:10,173 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:10,174 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:10,174 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:10,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-09-24 15:57:10,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:10,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-24 15:57:10,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:10,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:57:10,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:10,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-09-24 15:57:10,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:10,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:10,293 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:10,293 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:10,293 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:10,294 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:10,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-09-24 15:57:10,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:10,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-24 15:57:10,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:10,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:57:10,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:10,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-24 15:57:10,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:10,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:10,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:10,398 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:10,399 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:10,399 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:10,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-09-24 15:57:10,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:10,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-24 15:57:10,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:10,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:57:10,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:10,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-09-24 15:57:10,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:10,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:10,510 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:10,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:10,511 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:10,511 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:10,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-24 15:57:10,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:10,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-24 15:57:10,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:10,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:57:10,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:10,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-24 15:57:10,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:10,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:10,609 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:10,610 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:10,610 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:10,611 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:10,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 15:57:10,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:10,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-24 15:57:10,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:10,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:57:10,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:10,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 15:57:10,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:10,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:10,682 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:10,682 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:10,683 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:10,683 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:10,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:57:10,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:10,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:57:10,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:10,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:57:10,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:10,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-24 15:57:10,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:10,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:10,751 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:10,751 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:10,752 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:10,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:10,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 15:57:10,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:10,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 15:57:10,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:10,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:57:10,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:10,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:57:10,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:10,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:10,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:10,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:10,820 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:10,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:10,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 15:57:10,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:10,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 15:57:10,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:10,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:57:10,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:10,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 15:57:10,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:10,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:10,865 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:10,865 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:10,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:10,866 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:10,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:57:10,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:10,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:57:10,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:10,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:57:10,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:10,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:57:10,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:10,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:10,913 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:10,914 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:10,914 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:10,914 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:10,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:57:10,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:10,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:57:10,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:10,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:57:10,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:10,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:57:10,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:10,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:10,951 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:10,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:10,952 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:10,952 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:10,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:57:10,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:10,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:57:10,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:10,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:57:10,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:10,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:57:10,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:11,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1445 backedges. 105 proven. 833 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2020-09-24 15:57:11,121 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [11194563] [2020-09-24 15:57:11,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:57:11,121 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-24 15:57:11,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035899555] [2020-09-24 15:57:11,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-24 15:57:11,122 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:57:11,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-24 15:57:11,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=309, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:57:11,123 INFO L87 Difference]: Start difference. First operand 131 states and 142 transitions. Second operand 23 states. [2020-09-24 15:57:11,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:57:11,618 INFO L93 Difference]: Finished difference Result 217 states and 229 transitions. [2020-09-24 15:57:11,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-24 15:57:11,618 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 192 [2020-09-24 15:57:11,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:57:11,620 INFO L225 Difference]: With dead ends: 217 [2020-09-24 15:57:11,620 INFO L226 Difference]: Without dead ends: 211 [2020-09-24 15:57:11,622 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=593, Invalid=1047, Unknown=0, NotChecked=0, Total=1640 [2020-09-24 15:57:11,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-09-24 15:57:11,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 129. [2020-09-24 15:57:11,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-09-24 15:57:11,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 137 transitions. [2020-09-24 15:57:11,630 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 137 transitions. Word has length 192 [2020-09-24 15:57:11,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:57:11,630 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 137 transitions. [2020-09-24 15:57:11,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-24 15:57:11,631 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 137 transitions. [2020-09-24 15:57:11,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-09-24 15:57:11,633 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:57:11,634 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 18, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:57:11,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-24 15:57:11,634 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:57:11,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:57:11,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1566966377, now seen corresponding path program 18 times [2020-09-24 15:57:11,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:57:11,635 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [168381586] [2020-09-24 15:57:11,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:57:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:11,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:11,948 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:11,948 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:11,948 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:11,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 247 [2020-09-24 15:57:11,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:11,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-09-24 15:57:11,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:11,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-09-24 15:57:11,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 15:57:11,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 228 [2020-09-24 15:57:11,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:11,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:57:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:11,991 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:11,991 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:11,991 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:11,992 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:11,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:57:11,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:11,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:57:11,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:11,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:57:11,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:11,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:57:11,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:11,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:57:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:12,288 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:12,288 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:12,288 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:12,288 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:12,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-09-24 15:57:12,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:12,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 259 [2020-09-24 15:57:12,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:12,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-09-24 15:57:12,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:12,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 225 [2020-09-24 15:57:12,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:12,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:12,567 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:12,567 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:12,567 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:12,567 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:12,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-24 15:57:12,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:12,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 199 [2020-09-24 15:57:12,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:12,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-24 15:57:12,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:12,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 213 [2020-09-24 15:57:12,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:12,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:12,826 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:12,827 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:12,827 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:12,827 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:12,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-09-24 15:57:12,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:12,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-09-24 15:57:12,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:12,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-24 15:57:12,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:12,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 201 [2020-09-24 15:57:12,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:12,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:13,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:13,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:13,039 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:13,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:13,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-24 15:57:13,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:13,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-09-24 15:57:13,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:13,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 15:57:13,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:13,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-09-24 15:57:13,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:13,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:13,228 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:13,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:13,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:13,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:13,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-09-24 15:57:13,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:13,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-24 15:57:13,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:13,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 15:57:13,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:13,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 177 [2020-09-24 15:57:13,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:13,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:13,434 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:13,434 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:13,434 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:13,435 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:13,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-09-24 15:57:13,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:13,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-09-24 15:57:13,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:13,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 15:57:13,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:13,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-09-24 15:57:13,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:13,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:13,622 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:13,622 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:13,622 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:13,622 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:13,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-09-24 15:57:13,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:13,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-24 15:57:13,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:13,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:57:13,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:13,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-09-24 15:57:13,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:13,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:13,751 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:13,751 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:13,751 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:13,752 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:13,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 15:57:13,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:13,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-24 15:57:13,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:13,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:57:13,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:13,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 15:57:13,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:13,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:13,871 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:13,871 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:13,871 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:13,872 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:13,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-09-24 15:57:13,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:13,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-24 15:57:13,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:13,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:57:13,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:13,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-09-24 15:57:13,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:13,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:13,984 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:13,984 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:13,984 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:13,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:13,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-09-24 15:57:13,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:13,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-24 15:57:13,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:13,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:57:13,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:13,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-24 15:57:13,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:14,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:14,135 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:14,135 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:14,136 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:14,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:14,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-09-24 15:57:14,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:14,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-24 15:57:14,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:14,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:57:14,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:14,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-09-24 15:57:14,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:14,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:14,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:14,222 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:14,222 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:14,222 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:14,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-24 15:57:14,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:14,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 15:57:14,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:14,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:57:14,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:14,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-24 15:57:14,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:14,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:14,298 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:14,298 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:14,299 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:14,299 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:14,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 15:57:14,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:14,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 15:57:14,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:14,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:57:14,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:14,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 15:57:14,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:14,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:14,369 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:14,369 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:14,369 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:14,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:14,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:57:14,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:14,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:57:14,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:14,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:57:14,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:14,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-24 15:57:14,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:14,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:14,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:14,429 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:14,430 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:14,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:14,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 15:57:14,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:14,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 15:57:14,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:14,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:57:14,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:14,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:57:14,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:14,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:14,486 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:14,486 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:14,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:14,487 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:14,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 15:57:14,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:14,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:57:14,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:14,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:57:14,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:14,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 15:57:14,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:14,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:14,535 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:14,536 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:14,536 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:14,537 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:14,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:57:14,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:14,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:57:14,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:14,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:57:14,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:14,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:57:14,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:14,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:14,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:14,582 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:14,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:14,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:14,583 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:14,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:57:14,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:14,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:57:14,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:14,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:57:14,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:14,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:57:14,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:14,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:14,623 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:14,623 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:14,624 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:14,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:14,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:57:14,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:14,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:57:14,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:14,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:57:14,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:14,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:57:14,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:14,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1620 backedges. 162 proven. 877 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2020-09-24 15:57:14,811 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [168381586] [2020-09-24 15:57:14,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:57:14,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-09-24 15:57:14,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877166700] [2020-09-24 15:57:14,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-09-24 15:57:14,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:57:14,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-09-24 15:57:14,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=335, Unknown=0, NotChecked=0, Total=552 [2020-09-24 15:57:14,814 INFO L87 Difference]: Start difference. First operand 129 states and 137 transitions. Second operand 24 states. [2020-09-24 15:57:15,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:57:15,268 INFO L93 Difference]: Finished difference Result 140 states and 148 transitions. [2020-09-24 15:57:15,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-24 15:57:15,274 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 202 [2020-09-24 15:57:15,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:57:15,276 INFO L225 Difference]: With dead ends: 140 [2020-09-24 15:57:15,276 INFO L226 Difference]: Without dead ends: 134 [2020-09-24 15:57:15,277 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=654, Invalid=1152, Unknown=0, NotChecked=0, Total=1806 [2020-09-24 15:57:15,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-09-24 15:57:15,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2020-09-24 15:57:15,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-09-24 15:57:15,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 142 transitions. [2020-09-24 15:57:15,283 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 142 transitions. Word has length 202 [2020-09-24 15:57:15,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:57:15,283 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 142 transitions. [2020-09-24 15:57:15,284 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-09-24 15:57:15,284 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 142 transitions. [2020-09-24 15:57:15,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-24 15:57:15,286 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:57:15,286 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 19, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:57:15,287 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-24 15:57:15,287 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:57:15,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:57:15,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1494972483, now seen corresponding path program 19 times [2020-09-24 15:57:15,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:57:15,288 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1056606343] [2020-09-24 15:57:15,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:57:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:15,606 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:15,606 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:15,606 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:15,607 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:15,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-09-24 15:57:15,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:15,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-09-24 15:57:15,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:15,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-09-24 15:57:15,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 15:57:15,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 240 [2020-09-24 15:57:15,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:15,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:57:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:15,668 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:15,669 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:15,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:15,669 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:15,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:57:15,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:15,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:57:15,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:15,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:57:15,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:15,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:57:15,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:15,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:57:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:15,930 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:15,931 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:15,931 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:15,931 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:15,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-09-24 15:57:15,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:15,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-09-24 15:57:15,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:15,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-09-24 15:57:15,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:15,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 237 [2020-09-24 15:57:15,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:15,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:16,217 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:16,217 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:16,217 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:16,217 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:16,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-09-24 15:57:16,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:16,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 211 [2020-09-24 15:57:16,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:16,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-24 15:57:16,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:16,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 225 [2020-09-24 15:57:16,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:16,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:16,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:16,489 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:16,489 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:16,489 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:16,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:16,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-24 15:57:16,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:16,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-09-24 15:57:16,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:16,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-24 15:57:16,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:16,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 213 [2020-09-24 15:57:16,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:16,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:16,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:16,730 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:16,730 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:16,730 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:16,730 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:16,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-09-24 15:57:16,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:16,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-09-24 15:57:16,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:16,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-24 15:57:16,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:16,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 201 [2020-09-24 15:57:16,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:16,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:16,945 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:16,946 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:16,946 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:16,946 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:16,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-24 15:57:16,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:16,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-09-24 15:57:16,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:16,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 15:57:16,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:16,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-09-24 15:57:16,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:16,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:17,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:17,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:17,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:17,139 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:17,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-09-24 15:57:17,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:17,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-09-24 15:57:17,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:17,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 15:57:17,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:17,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 177 [2020-09-24 15:57:17,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:17,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:17,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:17,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:17,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:17,331 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:17,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-09-24 15:57:17,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:17,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-09-24 15:57:17,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:17,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 15:57:17,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:17,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-09-24 15:57:17,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:17,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:17,502 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:17,503 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:17,503 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:17,503 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:17,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-09-24 15:57:17,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:17,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-24 15:57:17,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:17,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:57:17,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:17,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-09-24 15:57:17,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:17,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:17,642 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:17,642 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:17,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:17,643 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:17,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 15:57:17,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:17,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-24 15:57:17,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:17,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:57:17,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:17,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 15:57:17,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:17,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:17,767 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:17,767 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:17,767 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:17,767 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:17,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-09-24 15:57:17,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:17,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-24 15:57:17,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:17,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:57:17,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:17,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-09-24 15:57:17,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:17,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:17,879 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:17,880 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:17,880 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:17,880 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:17,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-09-24 15:57:17,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:17,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-24 15:57:17,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:17,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:57:17,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:17,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-24 15:57:17,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:17,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:17,984 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:17,985 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:17,985 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:17,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:17,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-09-24 15:57:17,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:17,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-24 15:57:17,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:17,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:57:17,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:17,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-09-24 15:57:17,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:18,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:18,079 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:18,079 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:18,079 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:18,080 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:18,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-24 15:57:18,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:18,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-24 15:57:18,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:18,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:57:18,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:18,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-24 15:57:18,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:18,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:18,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:18,159 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:18,159 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:18,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:18,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 15:57:18,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:18,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 15:57:18,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:18,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:57:18,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:18,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 15:57:18,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:18,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:18,272 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:18,273 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:18,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:18,273 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:18,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:57:18,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:18,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 15:57:18,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:18,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:57:18,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:18,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-24 15:57:18,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:18,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:18,338 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:18,338 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:18,338 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:18,339 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:18,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 15:57:18,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:18,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 15:57:18,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:18,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:57:18,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:18,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:57:18,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:18,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:18,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:18,392 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:18,392 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:18,392 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:18,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 15:57:18,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:18,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:57:18,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:18,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:57:18,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:18,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 15:57:18,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:18,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:18,445 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:18,445 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:18,446 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:18,446 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:18,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:57:18,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:18,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:57:18,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:18,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:57:18,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:18,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:57:18,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:18,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:18,492 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:18,492 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:18,493 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:18,493 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:18,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:57:18,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:18,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:57:18,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:18,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:57:18,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:18,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:57:18,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:18,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:18,532 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:18,532 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:18,532 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:18,532 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:18,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:57:18,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:18,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:57:18,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:18,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:57:18,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:18,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:57:18,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:18,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1805 backedges. 151 proven. 1022 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2020-09-24 15:57:18,750 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1056606343] [2020-09-24 15:57:18,750 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:57:18,750 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-09-24 15:57:18,751 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015432628] [2020-09-24 15:57:18,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-09-24 15:57:18,751 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:57:18,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-09-24 15:57:18,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=362, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:57:18,752 INFO L87 Difference]: Start difference. First operand 134 states and 142 transitions. Second operand 25 states. [2020-09-24 15:57:19,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:57:19,222 INFO L93 Difference]: Finished difference Result 237 states and 248 transitions. [2020-09-24 15:57:19,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-24 15:57:19,223 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 212 [2020-09-24 15:57:19,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:57:19,225 INFO L225 Difference]: With dead ends: 237 [2020-09-24 15:57:19,225 INFO L226 Difference]: Without dead ends: 231 [2020-09-24 15:57:19,227 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=718, Invalid=1262, Unknown=0, NotChecked=0, Total=1980 [2020-09-24 15:57:19,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-09-24 15:57:19,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 146. [2020-09-24 15:57:19,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-09-24 15:57:19,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 157 transitions. [2020-09-24 15:57:19,234 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 157 transitions. Word has length 212 [2020-09-24 15:57:19,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:57:19,235 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 157 transitions. [2020-09-24 15:57:19,235 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-09-24 15:57:19,235 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 157 transitions. [2020-09-24 15:57:19,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-09-24 15:57:19,236 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:57:19,237 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:57:19,237 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-09-24 15:57:19,237 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:57:19,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:57:19,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1536969193, now seen corresponding path program 20 times [2020-09-24 15:57:19,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:57:19,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [724878129] [2020-09-24 15:57:19,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:57:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:19,534 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:19,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:19,534 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:19,535 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:19,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-09-24 15:57:19,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:19,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 256 [2020-09-24 15:57:19,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:19,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-09-24 15:57:19,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 15:57:19,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 252 [2020-09-24 15:57:19,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:19,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:57:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:19,582 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:19,582 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:19,582 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:19,582 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:19,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:57:19,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:19,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:57:19,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:19,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:57:19,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:19,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:57:19,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:19,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:57:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:20,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:20,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:20,019 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:20,019 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:20,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-24 15:57:20,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:20,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 387 [2020-09-24 15:57:20,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:20,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-09-24 15:57:20,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:20,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 249 [2020-09-24 15:57:20,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:20,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:20,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:20,347 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:20,347 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:20,347 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:20,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-09-24 15:57:20,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:20,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 259 [2020-09-24 15:57:20,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:20,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-09-24 15:57:20,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:20,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 237 [2020-09-24 15:57:20,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:20,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:20,705 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:20,705 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:20,705 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:20,706 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:20,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-09-24 15:57:20,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:20,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-09-24 15:57:20,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:20,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-24 15:57:20,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:20,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 225 [2020-09-24 15:57:20,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:20,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:20,985 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:20,985 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:20,985 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:20,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:20,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-24 15:57:20,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:20,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-09-24 15:57:20,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:20,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-24 15:57:20,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:20,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 213 [2020-09-24 15:57:20,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:21,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:21,228 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:21,229 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:21,229 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:21,229 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:21,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-09-24 15:57:21,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:21,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-09-24 15:57:21,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:21,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-24 15:57:21,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:21,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 201 [2020-09-24 15:57:21,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:21,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:21,452 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:21,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:21,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:21,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:21,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-24 15:57:21,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:21,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-09-24 15:57:21,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:21,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 15:57:21,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:21,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-09-24 15:57:21,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:21,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:21,649 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:21,650 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:21,650 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:21,650 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:21,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-09-24 15:57:21,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:21,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-09-24 15:57:21,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:21,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 15:57:21,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:21,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 177 [2020-09-24 15:57:21,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:21,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:21,852 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:21,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:21,852 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:21,852 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:21,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-09-24 15:57:21,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:21,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-09-24 15:57:21,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:21,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 15:57:21,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:21,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-09-24 15:57:21,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:21,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:22,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:22,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:22,020 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:22,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:22,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-09-24 15:57:22,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:22,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-24 15:57:22,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:22,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:57:22,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:22,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-09-24 15:57:22,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:22,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:22,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:22,177 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:22,177 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:22,177 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:22,178 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:22,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 15:57:22,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:22,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-24 15:57:22,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:22,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:57:22,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:22,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 15:57:22,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:22,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:22,308 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:22,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:22,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:22,308 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:22,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-09-24 15:57:22,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:22,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-24 15:57:22,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:22,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:57:22,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:22,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-09-24 15:57:22,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:22,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:22,421 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:22,421 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:22,421 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:22,422 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:22,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-09-24 15:57:22,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:22,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-24 15:57:22,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:22,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:57:22,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:22,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-24 15:57:22,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:22,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:22,525 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:22,525 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:22,526 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:22,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:22,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-09-24 15:57:22,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:22,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-24 15:57:22,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:22,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:57:22,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:22,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-09-24 15:57:22,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:22,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:22,616 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:22,616 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:22,616 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:22,616 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:22,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-24 15:57:22,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:22,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-24 15:57:22,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:22,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:57:22,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:22,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-24 15:57:22,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:22,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:22,752 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:22,753 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:22,753 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:22,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:22,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 15:57:22,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:22,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 15:57:22,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:22,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:57:22,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:22,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 15:57:22,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:22,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:22,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:22,826 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:22,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:22,827 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:22,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:57:22,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:22,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 15:57:22,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:22,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:57:22,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:22,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-24 15:57:22,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:22,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:22,889 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:22,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:22,889 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:22,890 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:22,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 15:57:22,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:22,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 15:57:22,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:22,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:57:22,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:22,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:57:22,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:22,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:22,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:22,944 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:22,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:22,944 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:22,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 15:57:22,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:22,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:57:22,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:22,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:57:22,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:22,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 15:57:22,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:22,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:22,999 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:23,000 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:23,000 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:23,001 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:23,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:57:23,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:23,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:57:23,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:23,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:57:23,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:23,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:57:23,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:23,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:23,044 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:23,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:23,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:23,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:23,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:57:23,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:23,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:57:23,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:23,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:57:23,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:23,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:57:23,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:23,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:23,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:23,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:23,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:23,093 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:23,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:57:23,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:23,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:57:23,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:23,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:57:23,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:23,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:57:23,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:23,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2000 backedges. 115 proven. 1185 refuted. 0 times theorem prover too weak. 700 trivial. 0 not checked. [2020-09-24 15:57:23,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [724878129] [2020-09-24 15:57:23,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:57:23,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-09-24 15:57:23,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431043993] [2020-09-24 15:57:23,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-09-24 15:57:23,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:57:23,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-09-24 15:57:23,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=390, Unknown=0, NotChecked=0, Total=650 [2020-09-24 15:57:23,336 INFO L87 Difference]: Start difference. First operand 146 states and 157 transitions. Second operand 26 states. [2020-09-24 15:57:23,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:57:23,848 INFO L93 Difference]: Finished difference Result 157 states and 168 transitions. [2020-09-24 15:57:23,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-24 15:57:23,850 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 222 [2020-09-24 15:57:23,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:57:23,852 INFO L225 Difference]: With dead ends: 157 [2020-09-24 15:57:23,852 INFO L226 Difference]: Without dead ends: 151 [2020-09-24 15:57:23,854 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 420 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=785, Invalid=1377, Unknown=0, NotChecked=0, Total=2162 [2020-09-24 15:57:23,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-09-24 15:57:23,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2020-09-24 15:57:23,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-09-24 15:57:23,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 162 transitions. [2020-09-24 15:57:23,860 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 162 transitions. Word has length 222 [2020-09-24 15:57:23,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:57:23,861 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 162 transitions. [2020-09-24 15:57:23,861 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-09-24 15:57:23,861 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 162 transitions. [2020-09-24 15:57:23,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-09-24 15:57:23,862 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:57:23,863 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 21, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:57:23,863 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-09-24 15:57:23,863 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:57:23,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:57:23,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1985138877, now seen corresponding path program 21 times [2020-09-24 15:57:23,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:57:23,864 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [641661762] [2020-09-24 15:57:23,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:57:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:24,216 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:24,216 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:24,216 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:24,216 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:24,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 283 [2020-09-24 15:57:24,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:24,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 304 [2020-09-24 15:57:24,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:24,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-09-24 15:57:24,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 15:57:24,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 264 [2020-09-24 15:57:24,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:24,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:57:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:24,279 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:24,279 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:24,280 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:24,280 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:24,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:57:24,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:24,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:57:24,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:24,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:57:24,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:24,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:57:24,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:24,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:57:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:24,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:24,584 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:24,584 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:24,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:24,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-09-24 15:57:24,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:24,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-09-24 15:57:24,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:24,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-09-24 15:57:24,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:24,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 261 [2020-09-24 15:57:24,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:24,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:24,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:24,933 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:24,934 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:24,934 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:24,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-24 15:57:24,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:24,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-09-24 15:57:24,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:24,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-09-24 15:57:24,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:24,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 249 [2020-09-24 15:57:24,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:24,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:25,253 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:25,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:25,254 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:25,254 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:25,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-09-24 15:57:25,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:25,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-09-24 15:57:25,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:25,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-09-24 15:57:25,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:25,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 237 [2020-09-24 15:57:25,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:25,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:25,530 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:25,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:25,530 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:25,530 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:25,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-09-24 15:57:25,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:25,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 212 [2020-09-24 15:57:25,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:25,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-24 15:57:25,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:25,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 225 [2020-09-24 15:57:25,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:25,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:25,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:25,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:25,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:25,789 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:25,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-24 15:57:25,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:25,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-09-24 15:57:25,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:25,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-24 15:57:25,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:25,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 213 [2020-09-24 15:57:25,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:25,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:26,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:26,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:26,032 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:26,032 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:26,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-09-24 15:57:26,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:26,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-09-24 15:57:26,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:26,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-09-24 15:57:26,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:26,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 201 [2020-09-24 15:57:26,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:26,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:26,279 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:26,280 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:26,280 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:26,280 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:26,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-24 15:57:26,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:26,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 172 [2020-09-24 15:57:26,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:26,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-09-24 15:57:26,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:26,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-09-24 15:57:26,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:26,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:26,466 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:26,466 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:26,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:26,467 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:26,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-09-24 15:57:26,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:26,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-09-24 15:57:26,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:26,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-09-24 15:57:26,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:26,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 177 [2020-09-24 15:57:26,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:26,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:26,640 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:26,641 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:26,641 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:26,641 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:26,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-09-24 15:57:26,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:26,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-24 15:57:26,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:26,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-09-24 15:57:26,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:26,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-09-24 15:57:26,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:26,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:26,794 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:26,794 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:26,794 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:26,794 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:26,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-09-24 15:57:26,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:26,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-24 15:57:26,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:26,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-09-24 15:57:26,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:26,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-09-24 15:57:26,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:26,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:26,929 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:26,929 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:26,929 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:26,929 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:26,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-09-24 15:57:26,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:26,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-24 15:57:26,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:26,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-09-24 15:57:26,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:26,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-09-24 15:57:26,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:27,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:27,144 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:27,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:27,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:27,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:27,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-09-24 15:57:27,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:27,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-24 15:57:27,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:27,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-09-24 15:57:27,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:27,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-09-24 15:57:27,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:27,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:27,294 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:27,295 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:27,295 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:27,296 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:27,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-09-24 15:57:27,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:27,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-24 15:57:27,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:27,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-09-24 15:57:27,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:27,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-24 15:57:27,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:27,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:27,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:27,429 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:27,430 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:27,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:27,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-09-24 15:57:27,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:27,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-24 15:57:27,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:27,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 15:57:27,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:27,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-09-24 15:57:27,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:57:27,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:27,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:27,539 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:27,539 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:27,539 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:27,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-24 15:57:27,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:27,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 15:57:27,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:27,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-09-24 15:57:27,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:27,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-24 15:57:27,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:27,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:27,620 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:27,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:27,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:27,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:27,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-24 15:57:27,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:27,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 15:57:27,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:27,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:57:27,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:27,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-24 15:57:27,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:27,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:27,693 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:27,693 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:27,694 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:27,694 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:27,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:57:27,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:27,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 15:57:27,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:27,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:57:27,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:27,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-24 15:57:27,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:27,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:27,770 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:27,770 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:27,771 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:27,771 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:27,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-24 15:57:27,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:27,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 15:57:27,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:27,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:57:27,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:27,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:57:27,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:27,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:27,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:27,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:27,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:27,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:27,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-24 15:57:27,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:27,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 15:57:27,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:27,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:57:27,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:27,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-24 15:57:27,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:27,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:27,876 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:27,877 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:27,877 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:27,877 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:27,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:57:27,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:27,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:57:27,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:27,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:57:27,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:27,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:57:27,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:27,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:27,923 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:27,924 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:27,924 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:27,924 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:27,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-09-24 15:57:27,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:27,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:57:27,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:27,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:57:27,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:27,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 15:57:27,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:27,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:27,966 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:27,966 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:27,966 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:27,967 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:27,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:57:27,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:27,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:57:27,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:27,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:57:27,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:27,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:57:27,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:57:28,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2205 backedges. 111 proven. 1301 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2020-09-24 15:57:28,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [641661762] [2020-09-24 15:57:28,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:57:28,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-09-24 15:57:28,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094461210] [2020-09-24 15:57:28,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-09-24 15:57:28,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:57:28,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-09-24 15:57:28,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=419, Unknown=0, NotChecked=0, Total=702 [2020-09-24 15:57:28,238 INFO L87 Difference]: Start difference. First operand 151 states and 162 transitions. Second operand 27 states. [2020-09-24 15:57:28,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:57:28,767 INFO L93 Difference]: Finished difference Result 257 states and 269 transitions. [2020-09-24 15:57:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-24 15:57:28,767 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 232 [2020-09-24 15:57:28,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:57:28,769 INFO L225 Difference]: With dead ends: 257 [2020-09-24 15:57:28,770 INFO L226 Difference]: Without dead ends: 251 [2020-09-24 15:57:28,771 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=855, Invalid=1497, Unknown=0, NotChecked=0, Total=2352 [2020-09-24 15:57:28,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-09-24 15:57:28,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 149. [2020-09-24 15:57:28,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-09-24 15:57:28,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 157 transitions. [2020-09-24 15:57:28,780 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 157 transitions. Word has length 232 [2020-09-24 15:57:28,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:57:28,781 INFO L479 AbstractCegarLoop]: Abstraction has 149 states and 157 transitions. [2020-09-24 15:57:28,781 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-09-24 15:57:28,781 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 157 transitions. [2020-09-24 15:57:28,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-09-24 15:57:28,783 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:57:28,784 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:57:28,784 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-09-24 15:57:28,784 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:57:28,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:57:28,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1021566615, now seen corresponding path program 22 times [2020-09-24 15:57:28,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:57:28,785 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [741904378] [2020-09-24 15:57:28,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:57:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:29,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:29,185 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:29,185 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:29,185 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:29,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 295 [2020-09-24 15:57:29,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:29,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 332 [2020-09-24 15:57:29,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:29,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-09-24 15:57:29,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 15:57:29,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 276 [2020-09-24 15:57:29,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:29,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:57:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:29,225 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:29,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:29,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:29,226 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:29,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:57:29,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:29,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:57:29,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:29,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:57:29,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:29,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:57:29,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:29,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 15:57:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:29,556 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:29,557 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:29,557 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:29,557 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:29,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 276 [2020-09-24 15:57:29,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:29,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 296 [2020-09-24 15:57:29,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:29,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-09-24 15:57:29,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:29,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 273 [2020-09-24 15:57:29,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:29,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:29,927 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:29,928 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:29,928 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:29,928 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:29,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-09-24 15:57:29,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:29,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-09-24 15:57:29,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:29,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-09-24 15:57:29,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:29,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 261 [2020-09-24 15:57:29,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:29,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:30,281 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:30,281 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:30,281 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:30,282 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:30,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-24 15:57:30,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:30,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-09-24 15:57:30,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:30,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-09-24 15:57:30,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:30,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 249 [2020-09-24 15:57:30,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:30,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:30,594 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:30,595 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:30,595 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:30,595 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:30,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-09-24 15:57:30,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:30,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 243 [2020-09-24 15:57:30,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:30,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-09-24 15:57:30,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:30,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 237 [2020-09-24 15:57:30,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:30,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:30,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:30,881 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:30,881 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:30,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:30,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-09-24 15:57:30,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:30,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-09-24 15:57:30,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:30,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-09-24 15:57:30,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:30,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 225 [2020-09-24 15:57:30,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:30,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:57:31,173 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:57:31,173 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:57:31,173 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:57:31,174 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:57:31,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-24 15:57:31,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:57:31,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-09-24 15:57:31,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:57:31,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-09-24 15:57:31,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:57:31,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 213 [2020-09-24 15:57:31,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:57:31,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 15:57:31,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat